EP0400316A2 - Vorrichtung und Verfahren zum Herstellen von Umschlägen - Google Patents

Vorrichtung und Verfahren zum Herstellen von Umschlägen Download PDF

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Publication number
EP0400316A2
EP0400316A2 EP90107408A EP90107408A EP0400316A2 EP 0400316 A2 EP0400316 A2 EP 0400316A2 EP 90107408 A EP90107408 A EP 90107408A EP 90107408 A EP90107408 A EP 90107408A EP 0400316 A2 EP0400316 A2 EP 0400316A2
Authority
EP
European Patent Office
Prior art keywords
webs
accordance
widthwise
glue lines
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.)
Withdrawn
Application number
EP90107408A
Other languages
English (en)
French (fr)
Other versions
EP0400316A3 (de
Inventor
Alfred J. Erber
Arthur Neale
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Transkrit Corp
Original Assignee
Transkrit Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Transkrit Corp filed Critical Transkrit Corp
Publication of EP0400316A2 publication Critical patent/EP0400316A2/de
Publication of EP0400316A3 publication Critical patent/EP0400316A3/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D5/00—Sheets united without binding to form pads or blocks
    • B42D5/02—Form sets
    • B42D5/023—Continuous form sets
    • B42D5/025—Mailer assemblies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C3/00—Making booklets, pads, or form sets from multiple webs

Definitions

  • This invention relates to apparatus and method for the manufacture of mailers and, in particular, to an apparatus and method for the manufacture of mailers which avoid the so-called "tenting" which occurs in the production of mailers in use today.
  • Mailers are generally formed from top and bottom webs or sheets of material which are glued together along their top and bottom widths and along their sides to form a closed envelope. Inside the envelope, the mailer carries contents to be mailed. This may include simple sheet or multiple sheet materials or combinations of these materials which are cut or otherwise configured to fit within the mailer envelope. Mailers can also be manufactured with plies or sheets external of the mailer envelope.
  • the mailer envelope is also provided with a perforation line inward of the glued area, usually along one of its sides.
  • This perforation line may also have a tab area.
  • continuous outer webs of material for forming the top and bottom sheets of the mailers are brought together with inner continuous webs of material for forming the desired contents of the mailers.
  • the inner continuous webs are cut and, if need be, selectively glued, to produce individualized contents for the mailers as the sandwich of webs is brought together.
  • one of the outer webs is provided with glue lines along the sides of the web and widthwise of the web at spaced positions along its length to define the mailer envelopes or pockets.
  • each individualized set of contents comes to be situated between the side glue lines and a set of widthwise glue lines.
  • the outer webs become secured together along these glue lines so that the webs form the defined individualized mailer envelopes with the individualized sets of contents therein.
  • Gluing of the webs may be facilitated by applying pressure to the webs along the glue lines using rollers or other pressure inducing members.
  • the webs after being joined in the gluing operation, are then perforated along the middle of each widthwise glue line, so as to permit the individual mailers to be separated from each other. Also, a perforation line possibly having a tab area is placed inward of one of the side glue lines, so as to permit opening of the mailer envelope as previously described.
  • the continuous web of interconnected mailer envelopes is usually zig-zag folded along selected widthwise or cross perforations (e.g., at every cross perforation, at every second cross perforation, at every third cross perforation, etc.) for storage and subsequent printing on the face of the envelopes.
  • the aforesaid procedure of forming mailers from webs of material is desirably carried out at high speeds.
  • the zig-zag folding of the webs may occur before the glue securing the side and widthwise glued areas fully dries. This frequently causes the outer webs to shift during the zig-zag operation. Shifting of the webs, in turn, results in so-called “tenting”, i.e., the creation of non-flat envelopes or envelopes with a buldge, when the mailer envelopes are subsequently unfolded. This "testing" is most pronounced at the cross perforation areas where the mailers have been folded.
  • the "tenting" exhibited by the mailer envelopes often causes problems when the unfolded mailers are subsequently passed through the high speed printer used to carry out the aforementioned printing operation.
  • the "tenting" of the individual envelopes at the fold cross perforations can prevent the mailer from being received in the printer or, if received, can jam the printer which must then be cleared so that printing can be continued. This slows down the printing process and wastes both time and manpower. The overall efficiency of the operation thereby decreases and costs increase.
  • this practice is modified so as to create or provide knurls or impressions in the outer joined webs along the length of the widthwise glue lines forming the mailer envelopes. These knurls or impressions in the webs act to more positively lock the webs together. As a result, the webs are restricted from shifting during subsequent processing and the "tenting" caused by such shifting is substantially avoided.
  • the knurling of the webs is carried by a hardened knurled bar carried by a rotating cylinder.
  • the bar is in facing relationship to an anvil cylinder and the webs are carried between the two cylinders such that the knurled bar presses the webs against the anvil at the desired widthwise glue lines of the webs.
  • FIG. 1 shows an assembly 1 for producing mailers in accordance with the principles of the present invention.
  • the overall configuration and operation of the assembly 1 is conventional in nature and may be provided by the collator assembly manufactured by Harris Graphics under model number HP-950.
  • the present invention resides in adapting such known assembly to include a knurling mechanism 61.
  • the assembly 1 comprises first and second rollers 2 and 3 which supply continuous webs of material 2A and 3A which are to be used to form the outer sheets or webs of the mailers.
  • the apparatus also includes a plurality of further rollers, shown as three rollers 4, 5 and 6, which also supply continuous webs of material 4A, 5A and 6A. These webs of material are to be used to form the contents to be carried by the mailers.
  • the webs 4A, 5A and 6A are each fed to a die cut and forming assembly 7 which acts to cut the webs 4A, 5A and 6A to form individualized contents 8. These contents are enclosed by corresponding mailer envelopes 9 (see, FIG. 2) formed when the webs 2A, 3A are brought together at the assembly 7 output. More particularly, the web 2A, prior to being brought adjacent the web 3A, first passes through a gluing assembly 11 in which glue lines are provided along the sides of the web as well as along the width of the web at equally spaced longitudinal positions. When the webs 2A and 3A are then brought together, the glue lines join the webs to form the aforementioned mailer envelopes 9.
  • FIG. 2 shows the resultant joined webs 2A, 3A and individualized contents 8 in the so formed envelopes 9.
  • side glue lines 21, 22 along with widthwise glue lines 23 join the webs to form interconnected envelopes 9 containing the contents 8.
  • the webs 2A and 3A also have corresponding apertures 2B and 3B which are provided in the webs to facilitate moving the webs along in the assembly 1.
  • FIG. 3 shows the joined webs 2A, 3A after passage through the perforation assembly 12 to provide the aforementioned perforations.
  • perforation lines 26 and 27 inward of the holes 2B, 3B are also provided for removal of the line hole margins from the completed mailers.
  • the webs are fed through a folding assembly 13.
  • the assembly 13 zig-zag folds the webs along the cross perforations 24 for storage and subsequent printing. Ths folding may occur at every cross perforation 24 or at selected cross perforations such as, for example, every second cross perforation, every third cross perforation, etc. In the case shown, it is assumed that folding occurs at every other cross perforation.
  • the speed of the assembly may be such that some of the glue lines are not fully dry when the joined webs 2A, 3A are passed through the perforation and folding assemblies 12 and 13.
  • the webs 2A, 3A may shift relative to one another. This shifting, if it occurs, often causes "tenting”, i.e., bulging, of the webs 2A, 3A, forming the individual envelopes 9.
  • This "tenting” evidences itself when the envelopes 9 are unfolded and is most pronounced in the envelopes which have been folded particularly at the cross perforation fold line areas.
  • "Tenting" is undesirable because it can cause the envelopes 9 to disturb the printing operation when they are latter introduced into printing equipment for printing on the web 3A which forms the front surface of the mailers.
  • the apparatus 1 is adapted to include the knurling assembly 61.
  • the assembly 61 is arranged to receive the webs 2A, 3A after they have been joined to form the envelopes 9 containing the contents 8.
  • the assembly 61 is adapted to create or provide knurls or impressions in the webs 2A, 3A along the length of selective ones of the widthwise glue lines 23.
  • the knurling operation is carried out at every other widthwise glue line, i.e., where the envelopes are to be folded and thus would otherwise likely exhibit "tenting".
  • FIG. 4 shows the joined webs 2A, 3A after the knurling operation, but prior to the perforation assembly operation.
  • knurls or impressions 26 are now provided along alternate widthwise glue lines 23.
  • the cross or widthwise perforations 24 are then provided in the joined webs by the assembly 12, there will be knurls or impressions on both sides of the perforations.
  • Each resultant envelope 9, when detached from the other envelopes 9, will have knurls along at least one widthwise edge.
  • the knurling assembly 61 can take on a variety of forms.
  • FIG. 5 shows one form of the assembly in which a rotatable cylinder 41 is provided across its width with a hardened knurled rod or gibb 42.
  • the gibb 42 is, preferably, convex in design and cooperates with a rotatable, hardened anvil in the form of a second cylinder 43.
  • the knurling mechanism 61 has been shown as developing impressions or knurls along the entire length of the selected widthwise glue lines 23, it is within the contemplation of the invention to form the knurls over only selected lengths of the lines. Whether the entire length or only selected lengths of the glue lines are knurled will depend, of course, on the material of the webs and the other system parameters and can be empirically determined for different conditions.
  • knurls have been provided at every other widthwise glue line 23 because the envelopes are to be folded at these glue lines.
  • the knurling positions could be similarly spaced to be at these glue lines.
  • knurling may be placed along each and every glue line 23, regardless of whether the envelopes are to be folded along such lines.

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  • Making Paper Articles (AREA)
  • Buffer Packaging (AREA)
EP19900107408 1989-05-30 1990-04-19 Vorrichtung und Verfahren zum Herstellen von Umschlägen Withdrawn EP0400316A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35900289A 1989-05-30 1989-05-30
US359002 1989-05-30

Publications (2)

Publication Number Publication Date
EP0400316A2 true EP0400316A2 (de) 1990-12-05
EP0400316A3 EP0400316A3 (de) 1991-04-03

Family

ID=23411921

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900107408 Withdrawn EP0400316A3 (de) 1989-05-30 1990-04-19 Vorrichtung und Verfahren zum Herstellen von Umschlägen

Country Status (2)

Country Link
EP (1) EP0400316A3 (de)
CA (1) CA2013503A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0631541A4 (de) * 1991-12-19 1995-04-19 Gordian Holding Corp Vorrichtung und verfahren zur erhaltung der vertraulichkeit von gedruckten daten.
GB2318762A (en) * 1996-10-30 1998-05-06 Econo Mailer Ltd A continuous assembly of envelopes having adhesive applied along transverse rows of perforations

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE186515C (de) *
US3107929A (en) * 1958-05-08 1963-10-22 Acme Manifolding Company Inc Improvement in manifold assembly
US3612390A (en) * 1969-09-02 1971-10-12 Kenneth W Howard Continuous web envelope

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0631541A4 (de) * 1991-12-19 1995-04-19 Gordian Holding Corp Vorrichtung und verfahren zur erhaltung der vertraulichkeit von gedruckten daten.
GB2318762A (en) * 1996-10-30 1998-05-06 Econo Mailer Ltd A continuous assembly of envelopes having adhesive applied along transverse rows of perforations
GB2318762B (en) * 1996-10-30 2000-12-06 Econo Mailer Ltd Improvements relating to assemblies of envelopes and associated document enclosures

Also Published As

Publication number Publication date
EP0400316A3 (de) 1991-04-03
CA2013503A1 (en) 1990-11-30

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