Patent Publication Number: US-2011075951-A1

Title: Multifold plastic grocery bags and roll

Description:
BACKGROUND OF INVENTION 
     a. Field of Invention 
     The invention relates generally to new, efficient multifold plastic grocery bags, especially for use with dispensers for plastic bags from rolls, and particularly what are referred to as grocery bags (not limited to use in grocery stores or to be used for groceries, but commonly called plastic grocery bags or produce bags). The present invention multifold plastic grocery bags and rolls of these bags, utilize a full width M-shaped fold in place of unfolded and conventional star folded bags. The present invention bags are balanced, even thickness, narrow, flat sealed, reliable and compact, and are very efficiently dispensed. 
     b. Description of Related Art 
     The following patents are representative of the field pertaining to the present invention: 
     U.S. Pat. No. 7,424,963 B2 to Mark E. Daniels describes a wire frame plastic bag dispenser includes an angled lower bag roll support urging perforated, rolled plastic bags toward a bag roll restraining element attached to the frame. A constraining movement element prevents lateral movement of the bag roll. A perforation parter separates bags as they are pulled from the roll. The bags may be folded along at least one vertical axis to form a more compact bag roll and may have a chisel cut in the perforation to aid in separation by the perforation parter. The frame includes four corners each of approximately 90 degrees, has a C shape in a horizontal plane, and includes a dispensing end, a back end, and two sides. The lower bag roll support includes a proximal end attached to the back end and extends downwardly to a distal end. The perforation parter may be located outwardly from the dispensing end of the frame. 
     U.S. Pat. No. 7,270,256 B2 to Mark E. Daniels describes a series of roll mounted bags and dispensers are described. The bags may be folded along at least one axis and rolled. The compact roll of bags is placed in various dispensers. As the upper portion of the first bag is pulled from the roll, the roll will rotate, presenting the succeeding bag for dispensing after the first bag is removed. Variations of the dispenser include one with a bag opening means with a mounting member and bag opening element causing the bags to open as they are pulled from the dispenser. The dispenser includes mechanisms for supporting the bag roll and constraining its movement along its horizontal axis. Another variation of the dispenser has a perforation parting means that facilitates separation of one bag from a subsequent bag. The dispenser may be removably attached to a dispenser support that attaches to a surface. 
     U.S. Pat. No. 6,135,281 to Ebrahim Simhaee describes a continuous web of bags formed of a plurality of layers to be separated along a line of perforations that extends through all of the layers transverse of the web, in which at least one of the outermost layers is detached from the web at the separation line. Apparatus accomplishes this detachment in a moving web by engaging the outermost layer outer surface and exerting a force in a manner to produce the detachment from the separation line. Both the outermost upper and lower web layers can be detached at the separation line. 
     U.S. Pat. No. 5,934,535 to Charles Paul Kannankeril et al. describes a bag dispensing system providing plastic bags from a roll of bags where one end is attached to the top of the next bag by perforation lines with a slot therebetween. The roll of bags provides a core having an indexing member on at least one end. The dispenser comprising a wire frame formed into channels to support the core. The channels include a core retaining member for restraining the core in the channel. The dispenser includes at least one brake attached to a support member and disposed at an angle thereto to provide tension to the edges of the roll of bags as the core passes through the channel passageway as bags are removed from the roll. Spaced apart from the support is a separating tongue. The tongue engages the slot regardless of whether the bags are drawn over or under the tongue. 
     U.S. Pat. No. 5,752,666 to Ebrahim Simhaee describes a roll of plastic bags for use with a dispenser having opposing tracks in which the roll is supported, and a separating tongue for enabling individual bags to be separated from the roll. The roll of plastic bags is wound on an axle, the plastic bags being in a star sealed configuration. The ends of the axle project beyond the ends of the roll a distance sufficient to enable the axle to be supported for rotational and translational movement in the tracks in such a way that the roll frictionally engages a dispenser surface. Separation lines are provided between adjacent bags, a slot in each separation line being engageable by the tongue within the dispenser so that individual bags can be dispensed from the roll one at a time. 
     U.S. Pat. No. 5,558,262 to Ebrahim Simhaee describes a plastic bag dispenser holds a continuous roll of bags, connected by perforated separation lines. The dispenser is provided with a tongue, which the bags are dispensed over, that engages the separation line between the bag at the end of the roll and the next bag. This begins the separation of the separation line, as well as holds the next bag behind the tongue. A finger is provided on the upstream side of the tongue, with a gap between the finger and tongue. As a bag is separated, a portion of the front edge of the next bag is held in the gap, holding the bag in position for the next user. The roll of bags rests in curved grooves in the dispenser that cause the roll to abut and frictionally engage an interior surface of the dispenser, preventing free-wheeling of the roll. The curvature of the grooves causes the component of force which creates the frictional engagement to increase as the size of the roll decreases. 
     U.S. Pat. No. 5,556,019 to Joseph W. Morris describes a bag dispenser, for separating and dispensing a series of plastic bags where one end is attached to the top of the next bag by perforation lines with a slot therebetween. The series of bags are dispensed from a device comprising a wire frame formed into channels to support the core that the series of bags are rolled onto. The channels allow the core to rotate in place but restrict its linear movement to the vertical direction. The dispenser has two braking devices, a braking bar underneath the roll of bags and a pair of fingers that are attached to the channels to engage the core. The braking bar is positioned transversely to the series of bags so that it supports them. The pair of fingers does not engage the core until the number of bags on the core has decreased and the core has begun to descend. The two braking devices work in combination to retard the rotation and dispensing of the bags and thus to apply a tension to the series of bags. Attached to the frame is a separator with, preferably, a symmetric projection on its end. The projection will engage the slot regardless of whether the bags are drawn over or under the projection. Additionally, the separator is preferably coiled in its midsection to function as a spring. As the user pulls on the bags, a tension is created by the braking devices and the user to deflect the separator which remains deflected until the projection engages the slot. Thus, when the separator engages the slot, the separator recoils through its normal position to facilitate the separation of the two bags. 
     U.S. Pat. No. 5,480,084 to Mark E. Daniels describes a rack for dispensing plastic bags from a roll of bags joined end-to-end and separated by a line of perforations and either an opening or a rupturable central area between the bags along the perforation line, comprising a rectangular cradle to hold the roll for removal of bags by unrolling them over a horizontal side element and past a pair of snagging elements which intercept the rupturable central area to restrain each ensuing bag as the preceding bag is pulled away from the roll so as to enable the preceding bag to be separated from the ensuing bag along the perforated and open or rupturable central area line. Provision is made to enable the cradle to be mounted either on or under a store counter, or against a wall. 
     U.S. Pat. No. 5,219,424 to Ebrahim Simhaee describes a roll of plastic bags is wound on an axle which is adapted to be retained within a dispensing device. The bags may be of any configuration but, preferably, are of the type known as a star seal with individual bags separated by perforated separation lines. The bags are wound around a core which can be retained on the axle so that the roll can rotate with respect to the axle when the axle is fixed within the dispensing device. A slot is provided in each separation line between adjacent bags, the slot adapted to engage a complementary tongue in the dispensing device for separating the individual bags. The width of the roll is such relative to the tongue that when an individual bag has been separated from the roll, portions of the next bag on the roll extend forwardly of the tongue where they are in a position to be grasped by a user and subsequently severed from the roll. The roller may include a feature for retarding rotation of the roll of bags relative to the axle. 
     U.S. Pat. No. 5,209,371 to Mark E. Daniels describes a method and device for dispensing T-shirt type plastic bags from a roll joined end to end in series but separable along perforated lines where the bag ends are connected, whereby the bags are rolled and the roll of bags is placed in a cradle for unrolling and passing between two bars above and parallel to the axis of the roll, at least one of the bars having a centrally disposed hooking snagging element past which the series of bags is drawn. When the open space between the straps of each T-shirt bag passes the snagging element, the latter catches the leading edge of the ensuing bag to restrain it sufficiently so that further pulling on the preceding bag results in its detachment along the perforated line for the ensuing bag. Rack means are provided to enable the method to be practiced. 
     Notwithstanding the prior art, the present invention is neither taught nor rendered obvious thereby. 
     SUMMARY OF INVENTION 
     The invention solves the problems and overcomes the drawbacks and deficiencies of prior art by providing a plurality of multifold plastic grocery bags composed of at least two plastic grocery bags in series connected to one another by continuous plastic sheet and defined by a separation border, each of the plastic grocery bags having sides, a sealed bottom and an openable top, and arranged with each bottom connected to an adjacent bag top. The plastic grocery bags separation border includes at least one separation fault selected from the group consisting of perforation, orifice, thin and combinations thereof. The plastic grocery bags are folded first in half in a first direction from side to side and then each half being folded in half again from side to side in an opposite direction from the first half fold, to create a flat, full width single M-shaped fold. 
     In some preferred embodiments of the present invention, the separation fault is a plurality of perforations. 
     In some preferred embodiments of the present invention, the separation fault is established after the bags are folded and is a combination of perforations and at least one orifice. 
     In some preferred embodiments of the present invention, the orifice is at least ¾ inch in width. 
     In some preferred embodiments of the present invention, the orifice is centrally located and has perforations left and right of the orifice. 
     In some preferred embodiments of the present invention, there are a total of four folded sections of the single M-shaped fold, and each fold has two layers of plastic sheet, and all folds have equal widths. 
     In some preferred embodiments of the present invention, the at least two plastic grocery bags is at least fifty plastic grocery bags. 
     In some preferred embodiments of the present invention, the plastic grocery bags are plastic selected from the group consisting of polyethylene, polypropylene and polyethylene-polypropylene blend. 
     In some preferred embodiments of the present invention, the plastic grocery bags have a predetermined width measured from side to side and a predetermined length measured from top to bottom and the predetermined length is greater than the predetermined width. 
     In some preferred embodiments of the present invention, the plastic grocery bags have a predetermined folded width and have a predetermined folded length and the predetermined length is at least five times greater than the folded width. 
     In some other preferred embodiments of the present invention, it its provided a multifold plastic grocery bag roll comprised of: a) a support core; and, b) a roll of plastic grocery bags on the support core and having at least two plastic grocery bags in series connected to one another by continuous plastic sheet and defined by a separation border, each of the at least two plastic grocery bags having sides, a sealed bottom and an openable top, each of the at least two plastic grocery bags being arranged with each bottom connected to an adjacent bag top; the at least two plastic grocery bags separation border including at least one separation fault selected from the group consisting of perforation, orifice, thin and combinations thereof; the at least two plastic grocery bags being folded first in half in a first direction from side to side and then each half being folded in half again from side to side in an opposite direction from the first half fold to create a flat, full width single M-shaped fold. 
     The additional features set forth above are also features integrated with the present invention rolls. 
     Additional features, advantages, and embodiments of the invention may be set forth or apparent from consideration of the following detailed description, drawings, and claims. Moreover, it is to be understood that both the foregoing summary of the invention and the following detailed description are exemplary and intended to provide further explanation without limiting the scope of the invention as claimed. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate preferred embodiments of the invention and together with the detail description serve to explain the principles of the invention. In the drawings: 
         FIG. 1  is a top view showing the hollow plastic tube in production that will become a plurality of the present invention plastic grocery bags. 
         FIG. 2  is a front view of a hollow plastic tube in production as a single blown polymer extrusion with a thin heat seal applied to create individual sections. 
         FIG. 3  is a top view of a hollow plastic tube as described in  FIG. 2 . 
         FIG. 4  is a front view of a hollow plastic tube as described in  FIG. 2  with perforations created to produce plastic grocery bags. 
         FIG. 5  is a top view of a plastic grocery bag as described in  FIG. 4 , ready to be folded, with relative dimensions identified. 
         FIG. 6  is a top view of a plastic grocery bag as described in  FIG. 4  showing the plastic grocery bag after the first fold, creating an equal armed V-shaped fold. 
         FIG. 7  is a top view of a plastic grocery bag as described in  FIG. 6  after the second fold, creating an equal armed M-shaped fold. 
         FIG. 8  is a top view of a plastic grocery bag as described in  FIG. 7  showing the plastic grocery bag fully folded into the final M-shaped fold. 
         FIG. 9  is a front view of a hollow plastic tube with thin heat seals and perforations applied to create individual plastic grocery bags and orifices centrally located on the perforations. 
         FIG. 10  is a diagrammatic presentation displaying the key features of the present invention and various methods and configurations for each feature. 
         FIG. 11  is a side view of an embodiment of the present invention nested on a plastic bag dispenser; 
     
    
    
     DETAILED DESCRIPTION OF THE EMBODIMENTS 
       FIG. 1  top view showing the hollow plastic tube in production that will become a plurality of the present invention plastic grocery bags. In the present embodiment, hollow plastic tube  2  is produced using blown polymer extrusion to create a continuous run of plastic grocery bags. In the top view of hollow plastic tube  2  the front  5 , back  7 , right side  1  and left side  3  of the hollow tube  2  are illustrated. The front  5 , back  7 , right side  1  and left side  3  form the hollow area  9  of the hollow plastic tube  2 . Hollow area  9  will become the openable inside of the plastic grocery bags as described below. 
     Referring now to the drawings wherein like reference numerals designate corresponding parts throughout the several views,  FIG. 2  through  FIG. 3 . 
       FIG. 2  is a front view of a plastic hollow tube in production as a single blown polymer extrusion with a thin heat seal applied to create individual sections. Once hollow plastic tube  4  has been formed as described above in  FIG. 1 , it is passed through rollers that remove all trapped air and flatten the hollow plastic tube  4 . Heat is then selectively applied to create the thin heat sealed bottoms  111 ,  211 ,  311  and  411  that define individual sections of hollow plastic tube  4 . 
     The length of individual sections is determined by the distance between top opening  109  and thin heat sealed bottom  111 . The distance between bag opening  109  and thin heat sealed bottom  111  is the same as the distances between bag opening  209  and thin heat sealed bottom  211 , bag opening  309  and thin heat sealed bottom  311  and bag opening  409  and thin heat sealed bottom  411 . The front view of hollow plastic tube  4  also provides an improved view of the front surface  105 ,  205 ,  305  and  405  formed by top openings  109 ,  209 ,  309  and  409  and thin heat sealed bottoms  111 ,  211 ,  311  and  411 . This pattern will be continued throughout the entire length of hollow plastic tube  4 . 
       FIG. 3  is a top view of a hollow plastic tube as described in  FIG. 2 . In the top view of a hollow plastic tube  4  the front  105 , back  107 , right side  101  and left side  103  of the hollow plastic tube  4  are illustrated, along with thin heat sealed bottom  111 . The front  105 , back  107 , right side  101  and left side  103  form a hollow open top  109  of the hollow plastic tube  4 . The thin heat sealed bottom  111  that is further described above in  FIG. 2  is located in the middle of front  105  and back  107  and runs between right side  101  and left side  103 . With hollow plastic tube  4  open as shown in  FIG. 3 , the heat sealed bottom  111  is clearly visible through hollow open top  109 . 
     Referring now to the drawings wherein like reference numerals designate corresponding parts throughout the several views,  FIG. 4  through  FIG. 8 . 
       FIG. 4  is a front view of a hollow plastic tube as described in  FIG. 2  with perforations created to produce plastic grocery bags. Perforations  613 ,  713  and  813  are created just below the thin heat sealed bottoms  511 ,  611  and  711 . The perforations  613 ,  713  and  813  are adapted to easily separate plastic grocery bags  6 A in a controlled break line. 
     With perforations  613 ,  713  and  813  applied, the front surfaces  605  and  705  are defined as the distance between perforations  613  and  713  and the distance between  713  and  813  respectively. This pattern will be continued throughout the entire length of plastic grocery bags  6 A. Front surface  505  is defined as the distance between top opening  509  and perforation  613 . Top surface  805  is defined as the distance between perforation  813  and heat sealed bottom  811 . Top openings  509 ,  609 ,  709  and  809  are created when perforations  613 ,  713  and  813  are separated. 
       FIG. 5  is a top view of a plastic grocery bag as described in  FIG. 4 , ready to be folded, with relative dimensions identified. Plastic grocery bag  6 A is formed by front  505 , back  507 , right side  501  and left side  503 . Open top  509  is located in the middle of front  505  and back  507  and runs from right side  501  to left side  503 . The plastic grocery bag  6 A has length X and will first be folded at a length Y from the left side  503 . Y is defined as one half the total length, X, so the first fold will be made midway along the widest face of the bag, in this case front  505  and back  507 . 
       FIG. 6  is a top view of a plastic grocery bag as described in  FIG. 4  showing the plastic grocery bag after the first fold, creating an equal armed V-shaped fold. Plastic grocery bag  6 B is folded inward at the middle fold point  515  of the widest face, front  505  and back  507  in the present embodiment. The distance between right side  501  and the middle fold point  515  is the same as the distance between left side  503  and middle fold point  515 . 
     Top opening  509  maintains position relative to front  505  and back  507  as described above in  FIG. 5 . However, top opening  509  now runs from right side  501  to middle fold point  515  to left side  503 , mimicking the equal armed V-shape of folded plastic grocery bag  6 B. 
       FIG. 7  is a top view of a plastic grocery bag as described in  FIG. 6  after the second fold, creating an equal armed M-shaped fold. After the plastic grocery bag  6 C is folded inward at middle fold point  515  as described above in  FIG. 6 , it is folded outward at right fold point  519  and left fold point  517  to form an equal armed M-shape. Right fold point  519  is located midway between right side  501  and middle fold point  515 . Similarly, left fold point  517  is located midway between left side  503  and middle fold point  515 . Left side  503  and right side  501  are folded about left fold point  517  and right fold point  519  respectively in opposing directions. The distances between left side  503  and left fold point  517 , left fold point  517  and middle fold point  515 , middle fold point  515  and right fold point  519  and right fold point  519  and right side  501  are all equal in length. 
     Top opening  509  maintains position relative to front  505  and back  507  as described above in  FIG. 6 . However, top opening  509  now runs from right side  501  to right fold point  519  to middle fold point  515  to left fold point  517  to left side  503 , mimicking equal armed M-shape of plastic grocery bag  6 C. 
       FIG. 8  is a top view of a plastic grocery bag as described in  FIG. 7  showing the plastic grocery bag fully folded into the final M-shaped fold. Once the plastic grocery bag  6 D is folded at left fold point  517 , middle fold point  515  and right fold point  519  as described above in  FIG. 7 , the back  507  is in contact with itself below the left fold point  517  and below the right fold point  519 . The front  505  is in contact with itself above middle fold point  515 . 
     Top opening  509  maintains position relative to front  505  and back  507  as described above in  FIG. 7 , running from right side  501  to right fold point  519  to middle fold point  515  to left fold point  517  to left side  503 . 
     The distance between front  505  and back  507  has been exaggerated in the above view to better illustrate the key features of the present invention plastic grocery bag  6 D. In the preferred embodiment, the distance between front  505  and back  507  will be defined as twice the thickness of the material selected for production. This will result in a thin, compact profile in the final M-shape folded plastic grocery bag  6 D. The final plastic grocery bag  6 D will have a length that is much longer than it is wide. This design allows for efficient use of space when storing the present invention plastic grocery bag. 
       FIG. 9  is a front view of a hollow plastic tube with thin heat seals and perforations applied to create individual plastic grocery bags and orifices centrally located on the perforations. Thin heat seals  911 ,  1011 ,  1111 , and  1211  and perforations  1013 ,  1113  and  1213  are applied to the hollow plastic tube to create the plastic grocery bags  8 . Front surfaces  905 ,  1005 ,  1105  and  1205  of plastic grocery bags  8  are defined by perforations  1013 ,  1113  and  1213  as described above in  FIG. 4 . Similarly, openings  909 ,  1009 ,  1109  and  1209  are formed as described in  FIG. 4  above. 
     In the present embodiment of plastic grocery bags  8 , optional orifices  1021 ,  1121  and  1221  are created in the middle of perforations  1013 ,  1113  and  1213  respectively. Optional orifices  1021 ,  1121  and  1221  are adapted to catch and aid in separation of perforations  1013 ,  1113  and  1213  when used with a suitable plastic bag dispenser, such as described below in  FIG. 11 . 
       FIG. 10  is a diagrammatic presentation  20  displaying the key features of the present invention and various methods and configurations for each feature. Plastic Bag Material  23  lists the preferred materials to be used in production of the present invention. It is expected that polyethylene or polypropylene, both of which are commonly used in the production of plastic bags, will be selected for the present invention. A polyethylene/polypropylene blend may also be used, depending on the production capabilities and intended use of the finished plastic grocery bag. 
     Separation Fault Methods  25  provides a list of some possible ways to create the separation faults in the present invention plastic grocery bag. The first is through the use of a perforation or perforations as illustrated in  FIG. 1  through  FIG. 9 . Perforations are cut into the plastic grocery bags during production and provide an easy break method and help to control the brake line. 
     A thin or thins may be used in a similar fashion as perforations. A thin is a section of the plastic grocery bag that is thinner than the surrounding plastic. This makes the thin easy to break and allows for a controlled break line to be maintained. 
     An orifice or orifices may also be used, as described in  FIG. 9 . Orifices can be adapted to catch and separate connected plastic grocery bags when sufficient force is applied. While orifices can be used to separate plastic grocery bags, they work best when used in combination with the above mentioned perforations or thins. Using combinations of the three above mentioned separation fault methods, perforations, thins and orifices, can result in improved break lines and ease of break. 
     Multiple Production Methods  27  are listed in diagrammatic presentation  20 . The first is a single bag continuous sheet, as illustrated in  FIG. 2 ,  FIG. 4 , and  FIG. 9 . As a single bag continuous sheet, a length of plastic is extruded that has the width of a single plastic grocery bag when laid flat. As the plastic is extruded, individual bags are created by applying thin heat seals perpendicular to the length of extruded plastic. Separation faults as described above are applied near the thin heat seals to allow the plastic bags to be separated easily. The end result is a single continuous run of plastic grocery bags. 
     The present invention may also be created using a multiple bag continuous sheet. In this method, a length of plastic is extruded that has a width of multiple plastic grocery bags when laid flat. Individual plastic bags can be formed by applying thin heat seals perpendicular and parallel to the length of extruded plastic. Separation faults as described above are applied near the perpendicular thin heat seals to allow the plastic bags to be separated easily, and cuts are made in the parallel thin heat seals to separate the sheet into multiple single bag continuous sheets. This creates multiple single sheet continuous runs of plastic grocery bags. 
     During production, the separation faults can be applied to the plastic grocery bags before the M-fold is created or after, depending on the faults selected. For example, in one particular embodiment of the present invention, perforations may be applied to the plastic grocery bags as they are extruded but prior to folding. Prior to folding, the perforation tools only need to penetrate two layers of plastic, reducing the force required and wear on tooling. Once the perforations are created, the plastic bags may be folded and a single orifice may be created in the middle of the perforation. In this configuration, the orifice would puncture either layers of plastic and create a multifold plastic bag similar to the embodiment described in  FIG. 9 . 
     Once the plastic grocery bags are formed as described above, they may be wrapped around a central support core selected from the Support Core Configurations  29 . The support core may have a square or circular cross-section and can either be a hollow or solid structure. The support core should be designed to be connected to a plastic bag dispenser, as described below in  FIG. 11 . This can be accomplished by forming a core with an axel that extends outward and can be inserted into a plastic bag dispenser, by allowing an axel to pass through the core, or by having the core function as an axle that can be nested into a plastic bag dispenser. 
       FIG. 11  is a side view of an embodiment of the present invention nested on a plastic bag dispenser  410 . The base frame  430  of the plastic bag dispenser  410  is composed of bottom section  401  and of back section  403 . Bottom section  401  has an open front  425 . Attachment means  417  is attached to the bottom section  401  and adapted to attach the plastic bag dispenser  410  to a mounting bracket such as a vertical surface mount, a floor stand mount, or a horizontal surface mount. 
     A first set of opposing side panels  407  is mounted to back section  403  of the base frame  430  to stabilize the movement of a nested plastic bag roll  419 . In this embodiment, first set of opposing side panels  407  project forward at a right angles on opposite sides of back section  403 . A second set of opposing side panels  408  is located on the bottom section  401  of the base frame  430  to also stabilize the movement of a nested plastic bag roll  419 . In this embodiment, second set of opposing side panels  408  project forward at a right angles on opposite sides of bottom section  401 . 
     An elongated open guide bar  406  for movement of plastic bag  420  from the nested plastic bag roll  419  is located toward the open front  425  of the bottom section  401  of the base frame  430 . Elongated open guide bar  406  is adapted to assist the movement of plastic bag  420  from the plastic bag roll  419 . In the present embodiment, elongated open guide bar  406  is a loop of material located on the bottom section  401  of base frame  430  and oriented perpendicularly therefrom. Forward side guard  412  is located at open front  425  on base section  401  to maintain proper alignment of plastic bag  420  over the rip tongue  413 . 
     Rip tongue  413  is located at the open front  425  of bottom section  401  and is transverse to bottom section  401 . Rip tongue  413  is adapted to catch and separate a passing bag  420  along perforation  422  from a nested plastic bag roll  419 . 
     A swing arm  415  is located along bottom section  401  of the base frame  430 . In the present embodiment of the plastic bag dispenser  410 , swing arm  415  is generally “L” shaped, with a right angle bend where it extends past the depth of the bottom section  401 . The swing arm  415  is attached to the bottom section  401  by swing arm base  427 . In the present embodiment of the plastic bag dispenser  410 , swing arm base  427  is a mounting bracket with a recess adapted to allow swing arm  415  to act as an axle when couple with swing arm base  427 . A plastic bag roll stop  423  is located at the free end of swing arm  415  and is adapted to keep plastic bag roll  419  in place during use. As plastic bag roll  419  is depleted, the swing arm  415  rotates about swing arm base  427  towards bottom section  401  and rear section  403  of base frame  430 . 
     To operate the plastic bag dispenser  410 , a plastic bag  420  is pulled down over the rip tongue  413 . This causes nested plastic bag roll  419  to unroll until perforations  422  in plastic bag  420  pass over the rip tongue  413 . As the perforations  422  pass over rip tongue  413  the plastic bag  420  separates from the nested plastic bag roll  419 . The next plastic bag  424  on the nested plastic bag roll  419  is then positioned in the open front  425  for use. The plastic bag roll  419  is prevented from unraveling when not in use by friction between the plastic bag roll  419  and the bottom section  401  and back section  403  of base frame  430 . 
     To summarize, the present invention thus provides a multifold grocery bag which comprises at least two plastic grocery bags in connected in series and defined by a separation border. Each individual plastic grocery bag has sides, a sealed bottom and an openable top and is connected to adjacent bags such that the openable top of one bag is removable connected to the sealed bottom of the next bag by a separation fault. The plastic grocery bags are folded first in half in a first direction from side to side and then each half being folded in half again from side to side in an opposite direction from said first half fold, to create a flat, full width single M-shaped fold. The multifold grocery bags can then be wrapped onto a support core to form a plastic bag roll for use with a plastic bag dispenser. 
     Although particular embodiments of the invention have been described in detail herein with reference to the accompanying drawings, it is to be understood that the invention is not limited to those particular embodiments, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the invention as defined in the appended claims.