SELF-CONTAINED INSERT MAILER

Abstract: A self-contained insert mailer (10) includes a plurality of similarly sized interconnected individual plies (12) which are arranged in overlying relationship to form an outgoing individual mailer containing a ply (21) to form an outgoing envelope (54), one or more insert message plies (22,23) and a return envelope (70). The mailer is folded along one or more outgoing envelope fold lines (31,32) so that the envelope ply (21) adhesively engages (80) a back ply (25) to define an outgoing envelope containing the insert message plies therebetween. When the mailer is folded along the outgoing envelope fold lines (31,32), each of the outgoing envelope and the return envelope have a height to length ratio which is between 1:1.3 and 1:2.5.

Description: The present invention relates generally to an improved insert mailer and, more particularly, to a self-contained insert mailer assembly having a return envelope and insert message sheets incorporated therein. Various types of mailers are widely used by billing authorities for mailing billing information to customers. To speed the billing process, multi-part billing mailers have been developed which typically contain a billing statement or statements and a preaddressed return envelope inserted within the outgoing mailer envelope. In order to accommodate customers with large amounts of billing which extend more than 6 inches deep on an insert, billing authorities are faced with three mailing choices. First, the billing authority can use a smaller size typeface on an automated printer and increase the number of lines per inch of billing information on its insert. This typically requires that the printer be reprogrammed to accommodate the new typeface and spacing, which is costly and may not ensure that all the billing information will fit on one billing insert. Secondly, the billing authority can mail out a large envelope with large billing insert plies and pay the additional postage, which increases the cost of billing. Thirdly, the billing authority can send multiple outgoing bills to the customer, which effectively multiplies the cost of billing. Therefore a need exists for an insert mailer having insert plies larger than 150 mm (6 inches) high which can accommodate large amounts of billing. In addition, the use of optical character readers for processing mail by the U.S. Postal Service is growing. These readers scan the face of mail envelopes to read bar codes (which typically indicate that the mail piece is business reply mail) as well as addresses. The Postal Service has issued specifications for the location of these bar codes and addresses so that the bar codes and addresses of mail pieces fall within the scanning area of the optical character readers. A typical mailer construction is disclosed in U.S. Patent No. 4,418,865, wherein a multi-ply continuous mailer is assembled by aligning a plurality of plies and adhesively securing the front and back plies together to define an outgoing envelope which contains one or more insert message or billing plies. The outgoing envelope, after being opened, is then assembled by the customer to form a return envelope for returning the bill payment. The customer opens the outgoing envelope by removing a tear strip disposed along the top ply to free the insert message plies from the outgoing envelope. The portion of the back ply which remains is folded over the front face of the outgoing envelope to form a return envelope and to conceal the original address. This mailer construction suffers from several shortcomings. First of all, the insert plies must be sized to lie within the borders of the outgoing envelope. Therefore, the maximum size of the inserts is limited not only by the size of the outgoing envelope, which is typically 150mm (6 inches) high by 280 to 292mm (11 to 11-1/2 inches) long, but also by the width of the marginal edge glue strips which hold the outgoing envelope together. These envelope glue strips encroach upon the width of the billing insert and reduce the available billing information area thereon. Moreover, the tear strip which frees the insert message plies and return envelope from the outgoing envelope also encroaches upon the size of the insert. These restrictions on the size of the insert plies, result in an average loss of 25 to 50mm (1 to 2 inches) of vertical billing space on the insert message plies. Secondly, in this type mailer, the billing inserts are contained within a preformed return envelope and therefore must be inserted or stuffed into the outgoing envelope formed by the front and back plies. This insertion step is labor-intensive and is costly. Another mailer construction is in EP-A-0115013, wherein there is disclosed a self-contained insert mailer for mailing an insert, comprising a plurality of individual plies adjacently disposed in overlying relationship, each of said individual plies being of substantially equal size, the mailer including a front ply, a back ply and at least one insert ply disposed therebetween, said front ply including at least one fold line said front ply defining a mailer outgoing envelope when said mailer is folded upon itself along said front ply fold line, said back ply including adhesive means disposed along a face thereof for adhesively securing said mailer after folding said mailer along said front ply fold line to form the mailer outgoing envelope, said back ply including a return envelope portion for forming a return envelope. According to the invention there is provided a self-contained insert mailer for mailing an insert, having a plurality of individual plies adjacently disposed in overlying relationship, each of the individual plies being of substantially equal size, the mailer including a front ply, a back ply and at least one insert ply disposed therebetween, said front ply including at least one fold line, the said front ply defining a mailer outgoing envelope when said mailer is folded upon itself along said front ply fold line, the said back ply including adhesive means disposed along a face thereof for adhesively securing said mailer after folding said mailer along said front ply fold line(s) to form the mailer outgoing envelope, said back ply including a return envelope portion for forming a return envelope, said mailer outgoing envelope having a predetermined height to length ratio of between approximately 1:1.3 to 1:2.5, and by further including a second back ply disposed adjacent said back ply, and said second back ply having a return envelope portion thereon, said return envelope portions being adhesively secured together to define a return envelope pocket therein, said back ply and said second back ply each further including a discard portion, said back ply and said second back ply including line(s) of weakening separating said return envelope portions from the discard portions. In the course of the description of a particular embodiment of the invention, reference will be made to the attached drawings, in which: FIG. 1 is an exploded view of the embodiment; FIG. 2 is a view of the insert mailer of FIG. 1 showing how the mailer is folded along first and second outgoing envelope fold lines to form the mailer outgoing envelope; FIG. 3 is a view of the first and second back plies of the mailer of FIG. 1 showing the return envelope discard portion being detached from the return envelope portion; FIG. 4 is a view of the insert mailer of FIG. 1 showing how the mailer is folded along a first outgoing envelope fold line to form the mailer outgoing envelope; FIG. 5 shows a template illustrating the U.S. Postal Service dimensional guidelines for "standard" letter-size mail; FIG. 5A shows a non-standard envelope which is too tall to be considered standard; FIG. 5B shows a non-standard envelope which is too wide to be considered standard, and FIG. 5C shows a standard envelope which falls within the "standard" height to length ratio. Referring to FIG. 1, a first embodiment of a self-contained insert mailer 10 constructed in accordance with the principles of the present invention is shown as having a plurality of individual sheets or plies 12. The plies 12 are disposed in adjacent overlying relationship, and may be interconnected by conventional sealing means, such as heat-activated adhesive deposited along one or more of the plies' transverse edges 17 or along the marginal edges 13 of the plies 12 to form a single mailer 10. Each ply 12 has removable feed strips 14, 16 disposed along opposite marginal edges 13 or individual mailer units which may be provided with control holes 18 to engage pins on various printer and assembler feed rolls (not shown) used in assembling and bursting the mailers. As shown, the transverse edges 17 of the plies are typically provided with lines of weakening 19, such as spaced perforations, which extend transversely between the removable feed strips 14, 16 to aid in separating or bursting a single mailer 10a from an adjacent mailer 10b. The individual mailer 10 includes an outgoing envelope 54, a series of billing inserts 22, 23 and a two-piece return envelope 70. This mailer embodiment includes six individual plies 20, 21, 22, 23, 24 and 25 of generally equal size. The lines of weakening 19 extend transversely between the feed strips 14, 16 and divide a continuous sheet of plies into a series of detachably interconnected individual multiple ply mailers 10. A removable first ply 20 or flysheet is disposed on top of the individual mailer adjacently overlying the plurality of plies 21-24 and in detachable engagement therewith. Flysheet 20 may contain preprinted customer address information 26 and billing information 27 on its front face 28 to serve as a billing record for the billing authority. The flysheet 20 is typically detached or decollated from individual mailers after exiting from an impact printer. The flysheet 20 typically contains conventional image transfer means on its rear face 29 in the designated billing and address information areas 26, 27, such as either a spot carbon coating or a carbonless transfer medium, to transfer the printed address and billing information onto one or more of the underlying mailer plies. The second or mailer front ply 21 is disposed adjacently beneath the flysheet 20 overlying the remaining plies 22-25, and is generally aligned therewith along its marginal and transverse edges. Front ply 21 serves as an outgoing envelope ply which defines the outgoing envelope 54 of the mailer 10 which contains billing inserts 22, 23 and a return envelope 70. The front ply 21 may also contain an image transfer means such as that described above on its rear face so that the billing information 27 printed on the flysheet 20 will transfer through to the first and second insert plies 22 and 23. The front ply 21 includes an outgoing envelope face portion 35 which contains the customer address information 36 and a return address 38, an outgoing envelope back portion 34 and an outgoing envelope intermediate portion 37 that is held between the face and back portions 35, 34 when the mailer is folded. These three outgoing envelope portions are separated by outgoing envelope fold lines 30, shown as first fold line 31 and second fold line 32 in FIG. 1, which are generally spaced apart so as to generally divide the outgoing envelope ply 21 into three portions of substantially equal height. The customer address 36 may be either printed by an impact printer directly on the outgoing envelope ply face portion 35 (FIG. 2), or it may be printed directly on the flysheet 20 as described above or it may yet be printed on the first message insert ply 22. In the latter case the front ply 21 will have a conventional address window 58 die cut therein to allow the first insert customer address 46 to show through. (FIG. 1.) In this embodiment, the outgoing envelope 54 is initially formed when the mailer 10 is folded along the first and second fold lines 31 and 32, and is completed when an adhesive strip 80 utilizing a conventional adhesive located on the rear of the second back ply 25 is adhered to the outgoing envelope intermediate portion 37 of front ply 21. (FIG. 2.). When assembled, the customer address 46 is positioned in the area of the outgoing envelope specified by the Postal Service for automated, optical character reading processing. Alternately, as shown in FIG. 4, the mailer 10 can be folded upon itself once along a single fold line 33, which is spaced between the top and bottom transverse edges 17, so as to generally divide the front ply 21 and the ensuing outgoing envelope 64 into two equal portions of substantially the same height. Similar to the first embodiment, when the mailer shown in FIG. 4 is folded into an outgoing envelope, the customer address is positioned in the area specified by the Postal Service for optical character reading thereof. In this one-fold configuration, the outgoing envelope 64 is completed in a similar manner as the outgoing envelope 54 shown in FIG. 2, that is, by adhering the adhesive strip 80 on the rear of the back ply 66 to the opposing face 67 of the mailer back ply 25. The third and fourth plies 22, 23 are the billing insert plies which contain the customer billing information 47, 57 and are disposed adjacently beneath the front ply 21 in generally alignment therewith. As described above, since the outgoing envelopes 54,64 are assembled by adhering outgoing envelope portions together rather than relying on a glue strip at both transverse edges, virtually the entire height of the insert plies 22 and 23 is available for billing information. Each insert ply 22, 23, preferably includes an image transfer means on their rear faces to accommodate the printing of the billing information. The pressure of the impact printer transfers the address and billing information from the image transfer means to the various insert message plies. Therefore, the insert mailer of the present invention can be printed by the billing authority after the mailer has been assembled. Thus the billing authority may print the mailers itself, rather than sending mailers offsite to be printed at the assembly plant, prior to assembly of individual mailers. The remaining fifth and sixth plies 24, 25 are disposed adjacently beneath the insert plies 22, 23 in general alignment with the mailer overlying plies 12. Importantly, the fifth ply 24 serves as a mailer first back ply and the sixth ply 25 serves as a mailer second back ply which are adhesively secured together to define a two-ply return envelope mailer ply 69. The return envelope mailer ply 69 includes a lower, return envelope portion 72 as best seen in FIG. 3 and an upper, detachable discard portion 74 separated by transverse lines of weakening 73 as seen in FIG. 1. Preferably, the transverse lines of weakening 73 of two-ply return envelope 70 are spaced apart from the back ply transverse edges 17 such that the return envelope 70 has dimensions which fall within the Postal Service restrictions discussed in detail below. The first back ply 24 is secured to the second back ply 25 by a conventional adhesive 82 generally peripherally disposed between the two plies, shown as a U-shaped pattern in FIGS. 1 & 3, to define a return envelope pocket 75 therebetween. The return envelope 70 include a return envelope face portion 76 having a business reply address 105 and a business reply indicator bar code 106, a return envelope flap or back portion 78 and a return envelope intermediate portion 79. The business reply address 105 and bar code indicator 106 are positioned within the return envelope face portion 76 so as to be easily read by Postal Service optical character reader processing equipment. The face portion 76 is separated from the flap portion 78 by a transverse fold line 71. The flap portion 78 is secured to the intermediate portion 78 by the customer by means of a conventional adhesive strip 83 disposed on either the flap portion 78 or intermediate portion 79. In an important aspect of the present invention, because all of the individual plies are generally equal in size, the mailers can accommodate billing insert plies which have heights as large as 305 to 457mm (12 to 18 inches) and yet be classified as US Postal Service "standard" size first class mail after they are folded into the outgoing envelope. This advantage allows the billing authority to print approximately twice the billing information found on a typical mailer having a height of 156mm (6-1/8 inches). FIG. 5 illustrates the dimensional restrictions imposed upon letter-size first class mail by the 1978 U.S. Postal Service Regulations. FIG. 5 shows the minimum and maximum sizes for first-class letters and the height to length ratios of "standard" letter-size mail pieces. At its lower left, FIG.5 includes a minimum size mail piece grid 107 which is 89mm (3-1/2 inches) high by 127mm (5 inches) long. Any mail piece which does not completely fill the grid 107 or extend past both of the upper right grid lines of grid 107 is unmailable. The outer grid 109 of FIG.5 defines the maximum dimensions for "standard" mail pieces which will avoid the first class postal surcharge in the USA. These dimensions are 156mm(6-1/8 inches) high by 292mm (11-1/2 inches) long. Mail pieces which are larger than the minimum grid 107 and smaller than the maximum grid 109 must have a minimum height to length ratio of 1 to 1.3 and a maximum ratio of 1 to 2.5. The upper right corner of the mail piece must touch the shaded area 111 to be considered "standard" as shown in FIG. 5C. Mail piece sizes whose upper right corners fall outside the shaded area 111, as shown in FIGS 5A-5B, are considered non-standard and are subject to an additional first class postal surcharge. In the shaded area 111, the left border 112 represents the minimum height to length ratio of 1 to 1.3 while the right border represents the maximum height to length ratio of 1 to 2.5. Both of the outgoing envelope and return envelope of mailers of the present invention, when folded along the appropriate envelope fold lines, fall within the above height to length ratios. As described above, the mailers can be either folded once along a first fold line 33 or twice along the first and second fold lines 31, 32 so that the final folded mailer outgoing envelope falls within the US Postal Service "standard" classification. The billing authority is presented with a choice between the use of one or two outgoing envelope fold lines to accommodate larger billing insert sizes which fall within the US Postal Service restrictions and avoid a postal surcharge. Table 1 illustrates a variety of examples of final mailer sizes and height to length ratios which can be used to determine the billing insert (and remaining mailer) ply sizes. The minimum and maximum final mailer heights are listed according to 12½mm (1/2 inch) increments of the final mailer length. Mail pieces having these final dimensions fall within the FIG. 5 shaded area 111 and so are considered as "standard" under US Postal Service guidelines. FINAL MAILER DIMENSIONS H min H max L H min :L H max :L 89 mm (3-1/2 in.) 95 mm (3-3/4 in.) 140 mm (5-1/2 in.) 1.57 1.46 89 mm (3-1/2 in.) 114 mm (4-1/2 in.) 152 mm (6 in.) 1.71 1.3 89 mm (3-1/2 in.) 127 mm (5 in.) 165 mm (6-1/2 in.) 1.85 1.3 89 mm (3-1/2 in.) 137 mm (5-3/8 in.) 178 mm (7 in.) 2 1.3 89 mm (3-1/2 in.) 146 mm (5-3/4 in.) 191 mm (7-1/2 in.) 2.14 1.3 89 mm (3-1/2 in.) 156 mm (6-1/8 in.) 216 mm (8-1/2 in.) 2.4 1.38 92 mm (3-5/8 in.) 156 mm (6-1/8 in.) 229 mm (9 in.) 2.48 1.46 95 mm (3-3/4 in.) 156 mm (6-1/8 in.) 241 mm (9-1/2 in.) 2.53 1.55 102 mm (4 in.) 156 mm (6-1/8 in.) 254 mm (10 in.) 2.5 1.63 108 mm (4-1/4 in.) 156 mm (6-1/8 in.) 267 mm (10-1/2 in.) 2.47 1.71 111 mm (4-3/8 in.) 156 mm (6-1/8 in.) 279 mm (11 in.) 2.5 1.79 117 mm (4-5/8 in.) 156 mm (6-1/8 in.) 292 mm (11-1/2 in.) 2.48 1.87 H min = minimum height of final folded mailer. H max = maximum height of final folded mailer. L = length of final folded mailer. H min:L = height to length ratio for given length and minimum height. H max:L = height to length ratio for given length and maximum height. By using the above table, one can readily determine if the billing insert size and resultant mailer will give a desired height to length ratio. This can be accomplished by dividing the height of the unfolded insert in half where a single fold line 30 will be used or the unfolded insert can be divided in thirds where two fold lines 31, 32 will be used. The resultant height and the insert length can be compared to Table 1 to determine if the height to length ratio is appropriate. Alternately, one can choose a final mailer height and length dimension from Table 1 and either double or triple the final height to determine the unfolded insert and mailer dimensions. Thus, the mailer dimensions will be limited only by the outgoing envelope height to length ratio obtained and the size limitations of the mailer assembly and printing machinery. For example, if the mailer plies 12 shown in FIGS. 1 and 2 are 305mm (12 inches) high by 216mm (8-1/2 inches) long, the outgoing envelope fold lines 31, 32 will be spaced at equal 101mm (4-inch) distances from the transverse edges 17, and the outgoing envelope, when folded, will have final dimensions of 101mm (4 inches) high by 216mm (8-1/2 inches) long or a height to length ratio of 1 to approximately 2.1. The present invention is particularly suited for automated assembly and processing. Feeds of continuous webs of the front, outgoing envelope ply 21 and the return envelope first back ply 24 may first be fed into a conventional ink printer for application thereto of the postal permit mark 103, outgoing envelope return address 38, the business reply return envelope mailing address 105 and the business reply mail indicator bar code 106. After exiting from the ink printer, whose continuous webs next may be fed into an assembler along with continuous webs of flysheet ply 20, insert plies 22 and 23, and if necessary, the return envelope second back ply 25. In instances where a two-ply return envelope is used, the second back ply 25 may be appropriately scored and adhesively secured to the first back ply 24 prior to entering the ink printer. The assembler indexes and aligns all the plies together and assembles them into mailers by depositing a conventional adhesive, such as heat activated adhesive, on either or both the top and bottom transverse edges 17 of individual mailers and may also further be deposited along the marginal edges 13 of the mailers, if necessary. Since no reduced size insert plies are used, it is possible to use virtually all of the insert plies available space for billing information, and therefore billing information may be printed as near the top and bottom of the insert plies as is possible. At this point, the continuous feed of individual mailers may be inserted into an impact printer which prints the customer address and the customer bill into the fly sheet of each mailer or the assembled mailers may be sent to the customer for printing. The address and billing information will be then transferred to the underlying plies by the image transfer means. The continuous feed of mailers are also scored along the transverse lines of weakening 19 and then burst or separated into individual mailers. Depending on the size format, the mailers are then folded once or twice upon themselves along the appropriate fold lines 30 and adhered together with adhesive strip 80 and mailed. Although the embodiments discussed in the specification have described mailers of the present invention as having one or two insert plies, 22 and 23, it will be understood that the present invention encompasses mailers which use more than two inserts. Additionally, it will be understood that the embodiments discussed may be modified by those skilled in the art to conform to any changes in Postal Service first class mail size regulations without departing from the principles of the present invention.

Claims: A self-contained insert mailer (10) for mailing an insert, having a plurality of individual plies (12) adjacently disposed in overlying relationship, each of the individual plies being of substantially equal size, the mailer (10) including a front ply (21), a back ply (24) and at least one insert ply (22, 23) disposed therebetween, said front ply (21) including at least one fold line (30), the said front ply (21) defining a mailer outgoing envelope (54) when said mailer (10) is folded upon itself along said front ply fold line(s) (30), said back ply (24) including adhesive means (80) disposed along a face thereof for adhesively securing said mailer (10) after folding said mailer (10) along said front ply fold line(s) (30) to form the mailer outgoing envelope (54), said back ply (24) including a return envelope portion (72) for forming a return envelope (70), the mailer (10) being characterized by said mailer outgoing envelope (54) having a predetermined height to length ratio of between approximately 1:1.3 to 1:2.5, and by further including a second back ply (25) disposed adjacent said back ply (24), and said second back ply (25) having a return envelope portion (79) thereon, said return envelope portions (72, 79) being adhesively secured together to define a return envelope pocket (75) therein, said back ply (24) and said second back ply (25) each further including a discard portion (74), said back ply (24) and said second back ply (25) including line(s) of weakening (73) separating said return envelope portions (72, 79) from the discard portions (74). An insert mailer of claim 1, wherein said back ply return envelope portion (72) includes a back ply fold line (71) separating said return envelope portion (72) into a return envelope face portion (76) and a return envelope flap portion (78). An insert mailer of claim 1 or 2, wherein said return envelope portion (72) forms a return envelope (70) having a height to length ration of between approximately 1:1.3 to 1:2.5, when said return envelope portion (72) is folded upon itself. An insert mailer of any one of claims 1 to 3, wherein said plurality of individual plies (20, 21, 22, 23, 24, 25) are held in said adjacent overlying relationship by detachment means including strips (14, 16) disposed along marginal edges of said plies, and said mailer further includes transverse lines of weakening extending between said ply marginal edges to separate individual mailers (10a, 10b). An insert mailer of any one of claims 1 to 4, wherein said front ply (21) includes a second fold line (32) spaced apart from said fold line (31) separating said mailer into an outgoing envelope face portion (35), back portion (34) and intermediate portion (37), said adhesive means (80) securing said back ply (24) to said outgoing envelope intermediate portion (37) when said mailer (10) is folded upon itself along said first and second fold lines (31, 32) to form an outgoing envelope (54). An insert mailer of any one of claims 1 to 5, wherein said front ply (21) includes a mailer outgoing envelope face portion (35) having a designated address area (58) thereon in a preselected location, said designated address area (58) being located within an area of the mailer outgoing envelope face portion (35) conforming to postal specifications for optical character reading when said mailer (10) is folded upon itself along said front ply fold line (31,33).

Inventors: BENDEL, BRUCE
Applicants: BENDEL, BRUCE
Application year: 1989
Main classification: B65D27
IPC codes: B42D5, B31B27, B42D15, B65D27