Patent Publication Number: US-2015060318-A1

Title: Wrap case for packaging

Description:
TECHNICAL FIELD 
     The present invention relates to a wrap case for packaging, and in particular to a wrap case for packaging, which is characterized in that a component for fixing a wrap is integrally provided, not separately, in order to fix the wrap, so the wrap is prevented from moving during the packaging of a predetermined thing, and a packaging work is easy, and the weight is light while effectively protecting the built-in wrap along with an easier recycling. Safety may be enhanced since metallic teeth are not used. 
     BACKGROUND ART 
     A predetermined container filled with food is generally sealed using a wrap in order to prevent the food from being oxidized as the food comes into direct contact with air. Such a wrap is a packaging material made from a synthetic resin in a form of film and is configured to maintain the freshness of food in such a way to seal the container containing a variety of foods. 
     The related packaging wrap is wound on a cylindrical winding roll and is accommodated in a predetermined shaped packaging wrap case. Such a related packaging wrap is manufactured by bending a sheet of paper into a rectangular parallelepiped shape wherein a cover is integrally provided while leaving one side of the rectangular parallelepiped open. In order to cut the wrap, metallic teeth are formed along one edge of the above open side. 
     In the above-described related wrap case, the winding roll is simply inserted inside of the case, not fixed to the case. When a user unwinds the wound wrap when in use, the wound roll moves inside of the case, so cutting the wrap properly becomes hard. 
     When the wound roll moves, it may roll out of the case. In order to prevent the wound roll from rolling out of the case, the user needs to hold the wrap tightly. Since the related wrap case is made from paper, if the user holds the wrap tightly, the wrap case may be easily crushed, thus damaging the wrap accommodated inside of the wrap case. When the user packs a predetermined container using a packaging wrap while holding the related wrap case with a hand, the metallic teeth of the wrap case may hurt the user&#39;s hand due to the user&#39;s carelessness. 
     As one of the related art, the Korean Patent Publication Number 10-2010-0100460 describes a wrap cutter for packaging. 
     DISCLOSURE OF INVENTION 
     Technical Field 
     Accordingly, the present invention is made in an effort to improve the above-described problems. It is an object of the present invention to provide a wrap case for packaging, which is characterized in that a component for fixing a wrap is integrally provided, not separately, in order to fix the wrap, so the wrap is prevented from moving during the packaging of a predetermined thing, and a packaging work is easy, and the weight is light while effectively protecting the built-in wrap. Recycling is easy because a heterogeneous material is not used. Safety may be enhanced since metallic teeth are not bonded using an adhesive, along with easier recycling. 
     Solution to Problem 
     To achieve the above objects, there is provided a wrap case  1  for packaging, which is configured to accommodate a wrap  3  for packaging wound around a paper pipe  2 , comprising a rectangular first bottom plate  10 ; a first front surface plate  11  and a first rear surface plate  13  which respectively extend from both long side portions of the first bottom plate  10 ; a pair of first side surface plates  15  which extend from both short side portions of the first bottom plate  10 ; a first reinforcing plate  16  which extends from an outer side edge of the first side surface plate  15  in a shape corresponding to the first side surface plate  15 ; connection plates  12  and  14  which extend from both short side portions of the first front surface plate  11  and the first rear surface plate  13  and are folded between the first side surface plate  15  and the first reinforcing plate  16 ; a second front surface plate  17  which extends from a longer side of the first front surface plate  11  in such a manner as to overlap the first front surface plate  11 ; a second bottom plate  18  which extends from a longer side of the second front surface plate  17  in such a manner as to overlap the first bottom plate  10 ; a second rear surface plate  19  which extends from a longer side of the second bottom plate  18  in such a manner as to overlap the first rear surface plate  13 ; a pair of second side surface plates  20  which extend from both short side portions of the second bottom plate  18  and are overlapped on the first side surface plate  15 ; a second reinforcing plate  22  which extends from an outer side edge of the second side surface plate  20 ; an upper surface cover plate  24  which extends from a longer side of the first rear surface plate  13  an is formed in a shape corresponding to the first bottom plate  10 ; and a front surface cover plate  26  which extends from a longer side of the upper surface cover plate  24  and is configured to cover the first front surface plate  11 , wherein at either the second side surface plate  20  or the second reinforcing plate  22 , there is formed a shaft hole  21  into which an end of the paper pipe  2  around which the wrap  3  is wound is inserted. 
     To achieve the above object, there is provided a wrap case  1  for packaging, which is configured to accommodate a wrap  3  for packaging wound around a paper pipe  2 , comprising a rectangular bottom plate  30 ; a front surface plate  31  and a rear surface plate  33  which respectively extend from both short side portions of the bottom plate  30 ; a pair of side surface plates  35  which extend from both short side portions of the bottom plate  30 ; a reinforcing plate  36  which extends from an outer side edge of the side surface plate  35  in a shape corresponding to the side surface plate  35  and includes a shaft hole  37  into which an end of the paper pipe  2  is inserted; connection plates  32  and  34  which extend from both short side portions of the front surface plate  31  and the rear surface plate  33  and are folded between the side board  35  and the reinforcing board  36 ; an upper surface cover plate  24  which extends from a longer side portion of the rear surface plate  33  and is formed in a shape corresponding to the bottom board  30 ; and a front surface cover plate  26  which extends from a longer side of the upper surface cover plate  24  and is configured to cover the front board  31 . 
     According to a feature of the present invention, there is further provided a guide part  29  which extends from a longer side portion of the front surface cover plate  26  and is configured to allow a cutter  40  for cutting the wrap  3  to slide along a longer side of the front surface cover plate  26 . 
     Advantageous Effects 
     In present invention, there is provided a wrap case  1  comprising an integral shaft hole  21  into which a paper pipe  2  on which a packaging wrap  2  is wound is inserted, so the present invention does not need any component for fixing the paper pipe  2 . For this, manufacture is easy, and manufacturing cost is low. Since any heterogeneous material is not used, recycling is also easy. The paper pipe  2  is inserted in the shaft hole  21  and is fixed in place, the wrap  3  does not move inside of the wrap case  1  when drawing the wrap  3 , so the user does not need to hold the wrap  3  with hands when in use, thus preventing the wrap case  1  from crushing. Also, since the paper pipe  2  rotates in the shaft hole  21  when drawing the wrap  3 , the wrap  3  may be efficiently drawn out. 
     Since a bottom surface and front and rear surfaces all belonging to the wrap case  1  are formed in a dual structure, the whole structure of the wrap case is stronger than the related product structure, and the accommodated wrap  3  may not be easily crushed by an external impact. In particular, even when the user holds the wrap case with hands when drawing the wrap  3 , the wrap is not easily crushed. In addition, the present invention further comprises a cutter  40  which is slidably engaged at the wrap case  1  as compared with the related art wherein the metallic teeth are attached to the case using an adhesive so as to cut the wrap  3 . So, it is possible to prevent any injuries when in use. The cutter  40  may be easily separated from the wrap case  1 , which results in easier recycling. 
    
    
     
       BRIEF DESCRIPTION OF DRAWINGS 
         FIG. 1  is a perspective view illustrating a wrap case for packaging according to a first exemplary embodiment of the present invention. 
         FIG. 2  is an exploded view according to a first exemplary embodiment of the present invention. 
         FIG. 3  is a view illustrating a folded lateral cross section according to a first exemplary embodiment of the present invention. 
         FIG. 4  is a lateral side view illustrating a state that a wrap is fixed according to a first exemplary embodiment of the present invention. 
         FIG. 5  is an exploded view illustrating a wrap case for packaging according to a second exemplary embodiment of the present invention. 
         FIG. 6  is a partially disassembled perspective view illustrating a state that the exploded view of  FIG. 5  is folded according to the present invention. 
     
    
    
     BEST MODES FOR CARRYING OUT THE INVENTION 
     The above-described purpose, features and advantages of the present invention will be apparent along with the following detailed descriptions. The exemplary embodiments of the present invention will be described with reference to the accompanying drawings. 
       FIG. 1  is a perspective view illustrating a wrap case for packaging according to a first exemplary embodiment of the present invention.  FIG. 2  is an exploded view according to a first exemplary embodiment of the present invention.  FIG. 3  is a view illustrating a folded lateral cross section according to a first exemplary embodiment of the present invention.  FIG. 4  is a lateral side view illustrating a state that a wrap is fixed according to a first exemplary embodiment of the present invention. 
     As illustrated therein, the wrap case  1  for packaging according to a first exemplary embodiment of the present invention is configured to accommodate a wrap  3  wound on a paper pipe  2 . The wrap case  1  for packaging illustrated in  FIG. 1  is manufactured by folding an exploded view illustrated in  FIG. 2  in a predetermined sequence. 
     The wrap case  1  for packaging according to the present exemplary embodiment of the present invention, as illustrated in  FIG. 2 , comprises a first bottom plate  10 , a first front surface plate  11 , a first rear surface plate  13 , a first side surface plate  15 , a first reinforcing plate  16 , connection plates  12  and  14 , a second front surface plate  17 , a second bottom plate  18 , a second rear surface plate  19 , a second side surface plate  20 , a second reinforcing plate  22 , an upper surface cover plate  24 , an upper surface cover wing  25 , a front surface cover plate  26 , a front surface cover wing  27 , a finish wing  28  and a guide part  29 . 
     The first bottom plate  10  is formed in a rectangular shape larger than the size of a longitudinal cross section of the paper pipe  2  on which the wrap  3  is wound. The front surface plate  11  and the first rear surface plate  13  correspond to each other in their shapes and extend from both long side portions of the first bottom plate  10  and are folded into a shape vertical with respect to the first bottom plate  10 . 
     The first side surface plate  15  extends from both short side portions of the first bottom plate  10 , and the first reinforcing plate  16  extends from an outer side edge of the first side surface plate  15 . The connection plates  12  and  14  extend from both short side portions of the first front surface plate  11  and the first rear surface plate  13  and are folded into a shape vertical with respect to each of the first front surface plate  15  and the first rear surface plate  13 . At this time, the facing connection plates  12  and  14  of the first front surface plate  11  and the first rear surface plate  13  are folded into a shape wherein they are overlapped on each other. In addition, the both sides of the first bottom plate  10  protrude more than the both sides of the first front surface plate  11  and the first rear surface plate  13 , so the folded connection plates  12  and  14  are positioned at the first bottom plate  10 . In addition, the first side surface plate  15  surrounds the outer sides of the folded connection plates  12  and  14 , and the first reinforcing plate  16  surrounds the inner sides of the folded connection plates  12  and  14 . 
     The second front surface plate  17  extends from a longer side of the top of the front surface plate  11  which is folded, and the second bottom plate  18  extends from a longer side of the second front surface plate  17 . The second rear surface plate  19  extends from a longer side of the second bottom plate  18 . 
     The second side surface plate  20  extends from both short side portions of the second bottom plate  18 , and the second reinforcing plate  22  extends from an outer side edge of the second side surface plate  20 . At this time, in the illustrated exemplary embodiment of the present invention, at the second side surface plate  20 , there is formed a shaft hole  21  into which an end of the paper pipe  2  on which the wrap  3  is wound is inserted. Alternatively, such a shaft hole  21  may be formed at the second reinforcing plate  22 . 
     The second front surface plate  17 , the second bottom plate  18  and the second rear surface plate  19  are overlapped on the first front surface plate  11 , the first bottom plate  10  and the first rear surface plate  13 , respectively. The second surface front surface plate  17  and the second rear surface plate  19  are formed into a shape vertical to the second bottom plate  18  along with the first front surface plate  11  and the first rear surface plate  13 . 
     The second side surface plate  20  is folded into a 0shape vertical to the second bottom plate  18 , and the second reinforcing plate  22  is folded into a shape that it is overlapped on the second side surface plate  20 . At this time, the second reinforcing plate  22  comes into face contact with the first reinforcing plate  16 . As illustrated in  FIG. 1 , the second side surface plate  20  having the shaft hole  21  is positioned inside of the finished wrap case  1 . 
     An auxiliary folding part  23  extends from a longer side of the second rear surface plate  19 , and the auxiliary folding part  23  is folded and finished coming into face contact with the first rear surface plate  13 . 
     The upper surface cover plate  24  extends from a longer side of the top of the folded first rear surface plate  13  and is formed of the first front surface plate  11 , the first bottom plate  10  and the first rear surface plate  13 , thereby covering the opened upper side. At this time, the upper surface cover wing  25  extends from both short side portions of the upper surface cover plate  24 . 
     The front surface cover plate  26  extends from a longer side of the upper surface cover plate  24  and is formed on an outer side of the first front surface plate  11 . At this time, the front surface cover wing  27  extends from both short side portions of the front surface cover plate  26 , and a finish wing  28  extends from an outer side of the front surface cover wing  27 . A finish protrusion  28   a  protrudes from an outer side of the finish wing  28 . A slit  26   a  into which the finish protrusion  28   a  of the finish wing  28  is inserted is formed where the front surface cover plate  26  and the front surface cover wing  27  are folded. 
     The front surface cover wing  25  is inserted into between the front surface cover wing  27  and the finish wing  28 , so the front surface cover plate  26  keeps being vertical to the upper surface cover plate  24 . Also, the inner side of the finish wing  28  surrounds the outer side of the first side surface plate  15 . 
     The guide part  29  extends from a longer side of the front surface cover plate  26  in such a manner as to overlap an inner side of the front surface cover plate  26 . At this time, the cutter  40  is provided at the guide part  29 . The cutter  40  comprises a cutter holder  41  slidably engaged along the guide part  29 , and a cutter blade  42  secured to the cutter holder  41 . The cutter blade  42  is vertical to the front surface cover plate  26 . As illustrated in  FIG. 1 , at a lower outer side of the first front surface plate  11 , a support plate  50  extends in a longitudinal direction in order for the cutter blade  42  to effectively cut the wrap  3 . The support plate  50  is configured to allow the cut end portion of the wrap  3  to come into close contact and be fixed in place. 
     The wrap case  1  for packaging according to a first exemplary embodiment of the present invention is characterized in that as illustrated in  FIG. 1 , the shaft hole  21  of the second side surface plate  20  is formed at an inner circumferential surface of each of both sides of the wrap case  1 , and as illustrated in  FIG. 4 , the both ends of the paper pipe  2  on which the wrap  3  is wound are inserted into the shaft holes  21  and are fixed in place inside of the wrap case  1 . When the user draws the wrap  3 , the paper pipe  2  rotates inside of the shaft hole  21 , not moving inside of the wrap case  1 , so the wrap  3  may be more smoothly drawn from the paper pipe  2 . 
     The second front surface plate  17 , the second bottom plate  18  and the second rear surface plate  19  are respectively overlapped on the first front surface plate  11 , the first bottom plate  10  and the first rear surface plate  13  of the wrap case  1 , as a result of which a dual structure case may be made. Even when the user holds the wrap case  1  with hands when drawing the wrap  3 , the wrap case  1  is not crushed as compared with the related case with a singular structure. 
       FIG. 4  is a lateral side view illustrating a state that a wrap is fixed according to a first exemplary embodiment of the present invention.  FIG. 5  is an exploded view illustrating a wrap case for packaging according to a second exemplary embodiment of the present invention. As illustrated therein, the wrap case  1  for packaging according to the present exemplary embodiment comprises a bottom plate  20 , a front surface plate  31 , a rear surface plate  33 , a side surface plate  35 , a reinforcing plate  36 , connection plates  32  and  34 , an upper surface cover plate  24 , an upper surface cover wing  25 , a front surface cover plate  26 , a front surface cover wing  27 , a finish wing  28  and a guide part  29  which are all integrally formed. 
     In the above illustrated exemplary embodiment, the bottom plate  30 , the front surface plate  31  and the rear surface plate  33  are not configured in a dual structure. The front surface plate  31  and the rear surface plate  33  extends from both long side portions of the rectangular bottom plate  30 . The front surface plate  31  and the rear surface plate  33  are folded into a shape vertical to the bottom plate  30 . 
     The side surface plate  35  extends from both short side portions of the bottom plate  30 , and the reinforcing plate  36  extends from an outer side edge of the side surface plate  35 . Here, at the reinforcing plate  36 , there is formed a shaft hole  37  into which the paper pipe  2  on which the wrap  3  is wound is inserted. 
     In addition, the connection plates  32  and  34  extend from both short side portions of the front surface plate  31  and the rear surface plate  33  and are overlapped on each other over the bottom plate  30  and are bend in such a way to surround the inner sides of the connection plates  32  and  34  on which the reinforcing plate  36  is folded and to surround the outer sides of the connection plates  32  and  34  on which the side surface plate  35  is folded. So, the shaft hole  37  of the reinforcing plate  36  is formed at an inner side of the finished wrap case  1 . 
     In the same way as in the first exemplary embodiment, the upper surface cover plate  24  and the front surface cover plate  26  may keep being vertical by means of the front surface cover wing  27 , the finish wing  28  and the upper surface cover wing  25 . The finish wing  28  is configured to surround the outer side of the side surface plate  35 . The constructions that the cutter  40  is slidably engaged to the guide part  29  extending from the longer side of the front surface cover plate  26  and the support plate  50  is provided at the front surface plate  31  are same as in the first exemplary embodiment. 
     The above-described exemplary embodiments of the present invention are provided for illustrative purposes and should understood in such a way that the above-described examples are not limited by any of the details of the foregoing description, unless otherwise specified, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.