CA1243002A - Mailer construction for optical postal sorting machine - Google Patents
Mailer construction for optical postal sorting machineInfo
- Publication number
- CA1243002A CA1243002A CA000488326A CA488326A CA1243002A CA 1243002 A CA1243002 A CA 1243002A CA 000488326 A CA000488326 A CA 000488326A CA 488326 A CA488326 A CA 488326A CA 1243002 A CA1243002 A CA 1243002A
- Authority
- CA
- Canada
- Prior art keywords
- mailer
- edge portion
- panel
- information
- along
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D27/00—Envelopes or like essentially-rectangular containers for postal or other purposes having no structural provision for thickness of contents
- B65D27/10—Chains of interconnected envelopes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2170/00—Construction of flexible containers
- B31B2170/20—Construction of flexible containers having multi-layered walls, e.g. laminated or lined
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A mailer construction suitable for use in a high speed postal sorting machine, and a method of constructing same. The mailer comprises an envelope formed of a front and a back panel attached at the periphery thereof to define an enclosure. At least one information sheet is disposed within the enclosure. The information sheet has a re-inforced panel formed integral therewith along a horizontal edge portion thereof to add rigidity to the mailer.
A mailer construction suitable for use in a high speed postal sorting machine, and a method of constructing same. The mailer comprises an envelope formed of a front and a back panel attached at the periphery thereof to define an enclosure. At least one information sheet is disposed within the enclosure. The information sheet has a re-inforced panel formed integral therewith along a horizontal edge portion thereof to add rigidity to the mailer.
Description
` ~2~3~3~2 The present lnvention relates to a mailer con-struction suitable for use in a high speed postal sorting machine and a method of constructing the mailer.
For mass mailings, it is customary to use mailers which are automatically constructed with printed information thereon by high speed machines that address automatically.
Such mailers have many advantages over standard type envelopes with information sheets placed inside them and namely, they are less expensive to make and assemble. They are also fast to construct and address by substantially fully automatic machinery and usually contain information which is completely sealed within the envelope. However, a disadvantage of such mailers is that the envelope lacks rigidity and causes many problems in automatic postal sorting machines. In fact, many mailer constructions are unacceptable for use in such machines and must be sorted by hand as the envelope is too flimsy and flexible. This is normally due to the fact that these mailers have the grain of the paper or the fibers thereof oriented vertica]ly to the long axis of the mailer or envelope. This is due to the fact that these mailers are formed from a web of paper and fed through a high speed printing and assembling machine with the fibers o~ierlted in the machine direction for ease of handling of the paper through rolls, etc. Information is usually printed trans-versely to the machine direction and accordingly, the front and back panels are also oriented with their long axis trans-versely to the machine direction. Consequently, the envelope has no stiffness along its long axis as the paper is very weak along the fiber direction. That is to say, if the envelope was to be supported from the opposed end edges, the envelope would sag considerably therefore making it ~æ~3~
easily pliable in the transverse direction and not suitable for use in high speed postal sorting machines where the envelope is usually guided from the bottom longitudinal edge thereof where stiffness is required.
It is a feature of the present invention to provide an improved mailer construction which substantially overcomes the above-mentioned disadvantages and which is suitable for use in high speed postal sorting machines.
Another feature of the present invention is to provide a mailer construction formed of a front and a back panel with at least one information sheet disposed there-between, the information sheet being folded in at least one longitudinal edge thereof to form a reinforced panel to add rigidity to the envelope along the long axis thereof.
Another feature of the present invention is to provide a method of constructing an improved mailer suitable for use in high speed postal sorting machines and which method comprises folding an edge portion of at least an information sheet contained within the envelope to add rigidity to the envelope along its long axis.
According to the above features, from a broad aspect, the present invention provides a mailer construction suitable for use in high speed postal sorting machines.
The mailer comprises an envelope formed of a front and a back panel attached at the periphery thereof to define an enclosure. At least one information sheet is disposed within the enclosure. The information sheet has a reinforced panel formed integral therewith along a horizontal edge portion thereof to add rigidity to the mailer.
According to a further broad aspect of the present invention, there is provided a method of constructing a 3~
mailer for use in a high speed postal sorting machine. The method comprises the steps of feeding at least one web of information sheet to a score and cut station to score a straight line adjacent a horizontal cut edge portion of each of the information sheets. The edge portion is then folded along the score toward the plane of its associated ply to form a reinforced panel. The web of information sheets with the reinforced panels is then fed between a web of front and back panels. The front and back panels are secured together with an information sheet having a re-inforced panel disposed between the front and back panels.
The preferred embodiment of the present invention will now be described with reference to an example thereof as illustrated in the accompanying drawings, in which:
FIGURE 1 is a perspective view of the mailer of the present invention illustrating its construction;
FIGURE 2 is an end view along the longitudinal edge of the mailer of the present invention as compared with a mailer of the prior art to illustrate the rigidity of the mailer;
FIGURE 3 is an exploded fragrnented view showing the various webs forming a mailer con-structed in accordance with the present invention;
FIGURE 4 is a fragmented end view showing a portion of the mailer construction of the present invention; and FIGURE 5 is aschematic illustration of a portion of a data-mailer machine illustrating the method of construction of the mailer of the present invention.
3q~
Referring now to the drawings, and more particularly to Figure 1, there is shown senerally at 10, the mailer con-struction of the present invention constructed for use in high speed postal sorting machines. The mailer comprises an envelope formed of front and back panels 11 and 12 attached together along the periphery by a glue strip 13, or other suitable means to define an enclosure. At least one inform-ation sheet 14 is disposed within the enclosure. The information sheet has a reinforced panel 15 formed integral therewith along a horizontal edge portion thereof to add rigidity to the mailer along its longitudinal axis.
As previously described, a disadvantage of the mailers of the prior art is that they have no rigidity along their long axis (in the direction transverse to the pulp fibers in the paper). Figure 2 illustrates the mailer of the prior art 10' and a mailer of the present invention 10 as viewed from its longitudinal edges along its long axis 16 when supported from adjacent their end edges at 17. The mailer 10' of the prior art has no rigidity in its long axis and if supported under the end edges thereof, as at locations designated by arrows 17, the mailer would bend considerably as shown at 10'. With the mailer ox the present inventioll, there is substantial improvement in rigidity when providing the enclosure with a reinforced edge panel 15. The envelope hardly bends along the long axis 16. This Figure best illustrates the results achieved by the present invention, as compared to prior art mailers.
As shown in Figure 3, these mailers are usually constructed or assembled in a high speed printing and assembling machine as shown in part in Figure 5. The front and back panels 11 and 12 as well as the information sheet :~243~
la are all cut prom a web of stock. usually, the information sheets 14 have to be cut at lines 31-30 and 34 with the scoring 8 and cutting drum 35' against the picking anvil 28' and panels 15 are released and collected in a collection trough 33 (see Figure 5) to fit inside the envelope and is thus of a smaller size. Each of the webs constituting the front and back pane]s and the insert information sheet 14 are fed by perforated feed bands 18, as is well known in the art, and which are automatically detached from the mailer forms after the mailer has been addressed by computer printers. The necessary perforating lines 19 are also formed by the machine to detach these bands and also to open the mailer. A thumb notch 20 is herein shown provided with this particular type of mailer. After tearing the stub 21 at the perforating line 19, the contents of the envelope may be pulled out of the envelope at the thumb notch.
As shown in Figure 5, a web of paper 11 forming the front panel is fed by guide rollers 24 in the machine direction as indicated by arrows 22. A further web of paper 12 forming the back panel is also fed in the same machine direction 22 by guide rollers 21. Intermediate these webs 11 and 12 are one or more webs 14 and 14' forming the information sheets. Usually, up to five information sheets can be provided. As shown, the webs 14 and 14l are guided by rollers 26, 26' and fed between a scoring and cutting drum 35 and a folding drum 29. The scoring drum 35 forms the score line 30 (see Figure 3) and at the same time, cuts the line 31. Panels 15 are usually 3/4" to 1" wide as shown in Figure 3 at A. The scoring drum 35 also slits the reinforcing panel edge 34 whereby the panel 15 may be folded over by the folding drum 29. The web with the folded ~2~3~3~
reinforced panels 15 are then guided by guide rollers 41, intermediate the plies 11 and 12.
At a remote location, glue strips 13 are applied with the gluing unit 40 to the internal face of the front panel 11 which comes in contact with the back panel 12 through the space provided after the folding OL the inform-ation sheet panel 15. By detaching the tear-off edge panel 21 at perforating line 19, the information sheet 14 will be removed from the envelope.
As shown in Figure 4, when two internal plies or information-carrying sheets 14 and 14' are juxtaposed, the reinforced panel 15 is a double-ply panel and thus offers still more rigidity to the envelope along its long axis.
In another embodiment, the mailer can be further strengthened by providing a reinforcing sheet 37 secured to an internal face of the back panel 12. This sheet 37 could also be secured to the internal face of the front panel, alt:hough it is preferable to secure it to the back panel since no information is printed on the back panel. This sheet 37 as well as the information sheets 14 and 14' are guided into a second scoring and cutting drum 35'. The drum 35' cuts at lines 30-31 and 34 (see Figure 3). 'L'he anvil ~8' and panel 15 are released and collected in a collection trough 33 (see Figure 5). The reinforcing sheet 37 is secured by at least two spaced apart glue strips 38 applied by a cross-gluing fountain 39 disposed along the horizontal axis of the mailer back panel. The glue strips 38 as well as the reinforcing sheet 37, which could be of a stiffer paper material, constitute reinforcement and add rigidity to the envelope along its long axis. However, it has been found that the reinforcing edge panels 15 are sufficient to '1243~2 st~en~then the envelope for handling by high speed optical postal sorting machines and such additional reinforcing sheets 37 are not required.
It is within the ambit of the present invention to cover any obvious modifications of the examples of a preferred embodiment hereinabove described, provided such modifications fall within the scope of the appended claims.
For mass mailings, it is customary to use mailers which are automatically constructed with printed information thereon by high speed machines that address automatically.
Such mailers have many advantages over standard type envelopes with information sheets placed inside them and namely, they are less expensive to make and assemble. They are also fast to construct and address by substantially fully automatic machinery and usually contain information which is completely sealed within the envelope. However, a disadvantage of such mailers is that the envelope lacks rigidity and causes many problems in automatic postal sorting machines. In fact, many mailer constructions are unacceptable for use in such machines and must be sorted by hand as the envelope is too flimsy and flexible. This is normally due to the fact that these mailers have the grain of the paper or the fibers thereof oriented vertica]ly to the long axis of the mailer or envelope. This is due to the fact that these mailers are formed from a web of paper and fed through a high speed printing and assembling machine with the fibers o~ierlted in the machine direction for ease of handling of the paper through rolls, etc. Information is usually printed trans-versely to the machine direction and accordingly, the front and back panels are also oriented with their long axis trans-versely to the machine direction. Consequently, the envelope has no stiffness along its long axis as the paper is very weak along the fiber direction. That is to say, if the envelope was to be supported from the opposed end edges, the envelope would sag considerably therefore making it ~æ~3~
easily pliable in the transverse direction and not suitable for use in high speed postal sorting machines where the envelope is usually guided from the bottom longitudinal edge thereof where stiffness is required.
It is a feature of the present invention to provide an improved mailer construction which substantially overcomes the above-mentioned disadvantages and which is suitable for use in high speed postal sorting machines.
Another feature of the present invention is to provide a mailer construction formed of a front and a back panel with at least one information sheet disposed there-between, the information sheet being folded in at least one longitudinal edge thereof to form a reinforced panel to add rigidity to the envelope along the long axis thereof.
Another feature of the present invention is to provide a method of constructing an improved mailer suitable for use in high speed postal sorting machines and which method comprises folding an edge portion of at least an information sheet contained within the envelope to add rigidity to the envelope along its long axis.
According to the above features, from a broad aspect, the present invention provides a mailer construction suitable for use in high speed postal sorting machines.
The mailer comprises an envelope formed of a front and a back panel attached at the periphery thereof to define an enclosure. At least one information sheet is disposed within the enclosure. The information sheet has a reinforced panel formed integral therewith along a horizontal edge portion thereof to add rigidity to the mailer.
According to a further broad aspect of the present invention, there is provided a method of constructing a 3~
mailer for use in a high speed postal sorting machine. The method comprises the steps of feeding at least one web of information sheet to a score and cut station to score a straight line adjacent a horizontal cut edge portion of each of the information sheets. The edge portion is then folded along the score toward the plane of its associated ply to form a reinforced panel. The web of information sheets with the reinforced panels is then fed between a web of front and back panels. The front and back panels are secured together with an information sheet having a re-inforced panel disposed between the front and back panels.
The preferred embodiment of the present invention will now be described with reference to an example thereof as illustrated in the accompanying drawings, in which:
FIGURE 1 is a perspective view of the mailer of the present invention illustrating its construction;
FIGURE 2 is an end view along the longitudinal edge of the mailer of the present invention as compared with a mailer of the prior art to illustrate the rigidity of the mailer;
FIGURE 3 is an exploded fragrnented view showing the various webs forming a mailer con-structed in accordance with the present invention;
FIGURE 4 is a fragmented end view showing a portion of the mailer construction of the present invention; and FIGURE 5 is aschematic illustration of a portion of a data-mailer machine illustrating the method of construction of the mailer of the present invention.
3q~
Referring now to the drawings, and more particularly to Figure 1, there is shown senerally at 10, the mailer con-struction of the present invention constructed for use in high speed postal sorting machines. The mailer comprises an envelope formed of front and back panels 11 and 12 attached together along the periphery by a glue strip 13, or other suitable means to define an enclosure. At least one inform-ation sheet 14 is disposed within the enclosure. The information sheet has a reinforced panel 15 formed integral therewith along a horizontal edge portion thereof to add rigidity to the mailer along its longitudinal axis.
As previously described, a disadvantage of the mailers of the prior art is that they have no rigidity along their long axis (in the direction transverse to the pulp fibers in the paper). Figure 2 illustrates the mailer of the prior art 10' and a mailer of the present invention 10 as viewed from its longitudinal edges along its long axis 16 when supported from adjacent their end edges at 17. The mailer 10' of the prior art has no rigidity in its long axis and if supported under the end edges thereof, as at locations designated by arrows 17, the mailer would bend considerably as shown at 10'. With the mailer ox the present inventioll, there is substantial improvement in rigidity when providing the enclosure with a reinforced edge panel 15. The envelope hardly bends along the long axis 16. This Figure best illustrates the results achieved by the present invention, as compared to prior art mailers.
As shown in Figure 3, these mailers are usually constructed or assembled in a high speed printing and assembling machine as shown in part in Figure 5. The front and back panels 11 and 12 as well as the information sheet :~243~
la are all cut prom a web of stock. usually, the information sheets 14 have to be cut at lines 31-30 and 34 with the scoring 8 and cutting drum 35' against the picking anvil 28' and panels 15 are released and collected in a collection trough 33 (see Figure 5) to fit inside the envelope and is thus of a smaller size. Each of the webs constituting the front and back pane]s and the insert information sheet 14 are fed by perforated feed bands 18, as is well known in the art, and which are automatically detached from the mailer forms after the mailer has been addressed by computer printers. The necessary perforating lines 19 are also formed by the machine to detach these bands and also to open the mailer. A thumb notch 20 is herein shown provided with this particular type of mailer. After tearing the stub 21 at the perforating line 19, the contents of the envelope may be pulled out of the envelope at the thumb notch.
As shown in Figure 5, a web of paper 11 forming the front panel is fed by guide rollers 24 in the machine direction as indicated by arrows 22. A further web of paper 12 forming the back panel is also fed in the same machine direction 22 by guide rollers 21. Intermediate these webs 11 and 12 are one or more webs 14 and 14' forming the information sheets. Usually, up to five information sheets can be provided. As shown, the webs 14 and 14l are guided by rollers 26, 26' and fed between a scoring and cutting drum 35 and a folding drum 29. The scoring drum 35 forms the score line 30 (see Figure 3) and at the same time, cuts the line 31. Panels 15 are usually 3/4" to 1" wide as shown in Figure 3 at A. The scoring drum 35 also slits the reinforcing panel edge 34 whereby the panel 15 may be folded over by the folding drum 29. The web with the folded ~2~3~3~
reinforced panels 15 are then guided by guide rollers 41, intermediate the plies 11 and 12.
At a remote location, glue strips 13 are applied with the gluing unit 40 to the internal face of the front panel 11 which comes in contact with the back panel 12 through the space provided after the folding OL the inform-ation sheet panel 15. By detaching the tear-off edge panel 21 at perforating line 19, the information sheet 14 will be removed from the envelope.
As shown in Figure 4, when two internal plies or information-carrying sheets 14 and 14' are juxtaposed, the reinforced panel 15 is a double-ply panel and thus offers still more rigidity to the envelope along its long axis.
In another embodiment, the mailer can be further strengthened by providing a reinforcing sheet 37 secured to an internal face of the back panel 12. This sheet 37 could also be secured to the internal face of the front panel, alt:hough it is preferable to secure it to the back panel since no information is printed on the back panel. This sheet 37 as well as the information sheets 14 and 14' are guided into a second scoring and cutting drum 35'. The drum 35' cuts at lines 30-31 and 34 (see Figure 3). 'L'he anvil ~8' and panel 15 are released and collected in a collection trough 33 (see Figure 5). The reinforcing sheet 37 is secured by at least two spaced apart glue strips 38 applied by a cross-gluing fountain 39 disposed along the horizontal axis of the mailer back panel. The glue strips 38 as well as the reinforcing sheet 37, which could be of a stiffer paper material, constitute reinforcement and add rigidity to the envelope along its long axis. However, it has been found that the reinforcing edge panels 15 are sufficient to '1243~2 st~en~then the envelope for handling by high speed optical postal sorting machines and such additional reinforcing sheets 37 are not required.
It is within the ambit of the present invention to cover any obvious modifications of the examples of a preferred embodiment hereinabove described, provided such modifications fall within the scope of the appended claims.
Claims (10)
1. A mailer construction suitable for use in high speed postal sorting machines, said mailer comprising an envelope formed of a front and back panel attached at the periphery thereof to define an enclosure, at least one information sheet disposed within said enclosure, said information sheet having a reinforced panel formed integral therewith along a horizontal edge portion thereof to add rigidity to said mailer.
2. A mailer as claimed in claim 1 wherein said re-inforced panel is constituted by a folded panel formed along a lower horizontal edge portion of said information sheet.
3. A mailer as claimed in claim 2 wherein there is further provided a second reinforced panel formed by a folded panel along an upper horizontal edge portion of said information sheet.
4. A mailer as claimed in claim 1 wherein there are two or more information sheets within said enclosure, said information sheets having a folded panel formed along a horizontal edge portion thereof.
5. A mailer as claimed in claim 1 wherein said reinforced panel is disposed transversely to the paper fiber direction of said information sheet.
6. A mailer as claimed in claim 1 wherein there is further provided a reinforcing sheet secured to an internal face of said back panel, said reinforcing sheet being secured by at least two spaced apart glue strips extending along the horizontal axis of said mailer, said glue strips constituting reinforcing ribs to add rigidity to said envelope.
7. A method of constructing a mailer for use in high speed postal sorting machines comprising the steps of:
(i) feeding at least one web of information sheets to a score cutting station to score a straight line adjacent a horizontal cut edge portion of each said internal plies, (ii) folding said edge portion along said score straight line toward the plane of its associated ply to form a reinforced panel, (iii) feeding said web of information sheets with said reinforced panels between a web of front and back panels, and (iv) securing said front and back panels together with an information sheet having a reinforced panel disposed between said front and back panels.
(i) feeding at least one web of information sheets to a score cutting station to score a straight line adjacent a horizontal cut edge portion of each said internal plies, (ii) folding said edge portion along said score straight line toward the plane of its associated ply to form a reinforced panel, (iii) feeding said web of information sheets with said reinforced panels between a web of front and back panels, and (iv) securing said front and back panels together with an information sheet having a reinforced panel disposed between said front and back panels.
8. A method as defined in claim 7 wherein said step (i) further comprises the step of cutting and removing a horizontal edge portion of said information sheets, said edge portion being opposite to said edge portion having said score straight line.
9. A method as claimed in claim 7 wherein said step (i) comprises feeding at least two webs of information sheets in juxtaposition to said score cutting station to score both information sheets simultaneously.
10. A method as claimed in claim 7 wherein there is further provided the steps of:
(a) applying at least two spaced apart glue strips along an internal surface of one of said front or back panels, and (b) applying a reinforcing sheet over said glue strips to add rigidity to said front or back panel.
(a) applying at least two spaced apart glue strips along an internal surface of one of said front or back panels, and (b) applying a reinforcing sheet over said glue strips to add rigidity to said front or back panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000488326A CA1243002A (en) | 1985-08-08 | 1985-08-08 | Mailer construction for optical postal sorting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000488326A CA1243002A (en) | 1985-08-08 | 1985-08-08 | Mailer construction for optical postal sorting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1243002A true CA1243002A (en) | 1988-10-11 |
Family
ID=4131143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000488326A Expired CA1243002A (en) | 1985-08-08 | 1985-08-08 | Mailer construction for optical postal sorting machine |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1243002A (en) |
-
1985
- 1985-08-08 CA CA000488326A patent/CA1243002A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |