EP0499966B1 - Verfahren zum kontinuierlichen Herstellen von Umschlägen, Beuteln oder Versandtaschen sowie mit dem Verfahren hergestelltes Produkt - Google Patents

Verfahren zum kontinuierlichen Herstellen von Umschlägen, Beuteln oder Versandtaschen sowie mit dem Verfahren hergestelltes Produkt Download PDF

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Publication number
EP0499966B1
EP0499966B1 EP92102391A EP92102391A EP0499966B1 EP 0499966 B1 EP0499966 B1 EP 0499966B1 EP 92102391 A EP92102391 A EP 92102391A EP 92102391 A EP92102391 A EP 92102391A EP 0499966 B1 EP0499966 B1 EP 0499966B1
Authority
EP
European Patent Office
Prior art keywords
flap
flaps
zig
product
folds
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 - Lifetime
Application number
EP92102391A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0499966A3 (en
EP0499966A2 (de
Inventor
Martin Blümle
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0499966A2 publication Critical patent/EP0499966A2/de
Publication of EP0499966A3 publication Critical patent/EP0499966A3/de
Application granted granted Critical
Publication of EP0499966B1 publication Critical patent/EP0499966B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/10—Bags or like containers made of paper and having structural provision for thickness of contents with gusseted sides
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/08—Bags or like containers made of paper and having structural provision for thickness of contents with block bottoms
    • 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
    • B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • B31B2150/001—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom
    • 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
    • B31B2155/00—Flexible containers made from webs
    • 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
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/001—Flexible containers made from webs by folding webs longitudinally
    • B31B2155/0012—Flexible containers made from webs by folding webs longitudinally having their openings facing in the direction of movement
    • 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
    • B31B2160/106—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents obtained from sheets cut from larger sheets or webs before finishing the bag forming operations
    • 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
    • B31B2160/20—Shape of flexible containers with 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/26—Folding sheets, blanks or webs
    • B31B70/261—Folding sheets, blanks or webs involving transversely folding, i.e. along a line perpendicular to the direction of movement
    • 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/60—Uniting opposed surfaces or edges; Taping
    • B31B70/62—Uniting opposed surfaces or edges; Taping by adhesives

Definitions

  • the invention relates to a method for the continuous production of envelopes, bags, mailers or the like from sheet material and in particular from paper with the features of the preamble of claim 1 and it also relates to a product produced by this method.
  • EP-B-0 006 037 The product specifically shown and described in EP-B-0 006 037 is a carrying box used for packing and transporting objects, which consists of a pocket which has a rectangular or square bottom and two opposite main sides and two side sides , accordion-like sides and is provided on its side opposite the floor with handle-like parts.
  • This carrier box is made by folding and gluing a single piece of solid material such as cardboard, and the gripping parts include a closure flap that is part of a one-piece blank.
  • the object of the invention is to provide a method by means of which different types of envelopes, pouches or mailing bags can be produced directly on one and the same machine, and this should also be done in the simplest possible and least prone to failure.
  • the invention provides that the bottom formation steps take place during a continuous longitudinal conveying and that the material used to form the lower bottom flap is set back against the direction of transport during the bottom formation with a zigzag fold, whereby bottom side flaps in the event of a turnover , a bag or a mailing bag with gussets on the side and fold inwards with an envelope, a bag or a mailing bag without gussets.
  • a blank 1 for an envelope, a bag or a mailing bag made of paper, which will hereinafter only be referred to as a product, comprises a front part 2 with a closure flap 3 and two side flaps 5, 6 forming a back part 4 and a bottom flap 7 and each in the case of central adhesive right and left bottom flap halves 8 and 9 and right and left bottom flaps 10 and 11, respectively.
  • the two bottom flap halves 8 and 9 form an inner, lower bottom flap 42 according to FIG. 10 (method steps I and K).
  • pre-cuts are provided, namely a right and a left side flap longitudinal pre-cut 12 or 13, which also extend into the bottom side flaps 10, 11, and a cross pre-cut 14 for the closure flap 3 and a bottom flap cross pre-cut 15, through which the bottom side tabs 10, 11 are limited. Furthermore, in the area of the bottom side flaps 10, 11 there are also angle pre-cuts 16 and 17 which extend from the side flap length pre-cuts 12, 13 to outer and inner incisions 18 and 19 which delimit the bottom side flaps 10, 11.
  • the bottom side flaps 10, 11 preferably taper asymmetrically towards their free ends 20.
  • the outer cuts 18 are wider in the outer region than the inner cuts 19, i.e. the bottom side flaps 10, 11 taper more strongly on the side of the bottom flap halves 8, 9 than on the side facing the bottom flap 7.
  • the bottom side flaps 10, 11 are in the direction of the longitudinal breaks 12, 13 shorter than the bottom flap and shorter than the bottom flap halves 8, 9.
  • Fig. 3 shows a blank 31 for a modified product with gussets.
  • the blank 31 therefore has all the individual features of the blank 1 according to FIG. 1, the same reference numbers also being used for identical parts.
  • the blank 31 between the front part 2 and each side flap 5, 6 still has two strip-shaped side parts 32 and 33 or 34 and 35 forming the side folds. Furthermore, not only are there a right side flap longitudinal protrusion 12 and a left side flap longitudinal protrusion 13, but additionally also a right side fold longitudinal protrusion 36 and a left side fold longitudinal protrusion 37 as well as a right front part longitudinal protrusion 38 and a left front part longitudinal protrusion 39.
  • the bottom side flaps 10 and 11 are designed in the same way for the blank 31 as for the blank 1. However, for manufacturing reasons, the corners 40 of the bottom flap halves 8, 9 facing the bottom side flaps 10, 11 are not only rounded, but there are recesses 41 there 3. As a result, the lower or the lower ones can move during the zigzag movement inner bottom flap 42 forming bottom flap halves 43 and 44 and the bottom side flaps 10, 11 move past one another more easily or without problems (FIG. 10, method steps J and K).
  • the two blanks 1 and 31 also include block bottom protrusions 45 and 46 in the side flaps 5, 6 which, in the case of the cut 31 for products with gussets, extend at least as far as the gusset longitudinal protrusions 36 and 37 and are preferably introduced in a separate process step , as is also apparent from the description of the method.
  • FIG. 4 shows a blank 51 before separating for a product 52 according to FIG. 5 without side folds, but with block bottom 53 and side gluing.
  • FIG. 6 shows a blank 61 before separating for a product 62 according to FIG. 7 with side folds 63, 64 and with block bottom 65 and with side gluing.
  • the blanks 1 and 31 according to FIGS. 1 and 3 relate to products with central adhesive, as is also the case with product 22 according to FIG. 2.
  • the blanks 51 and 61 each have a back part 66 and a lower bottom flap 67, which also has a block bottom protrusion 68 for the zigzag fold is also assigned how a block bottom protrusion 69 in the side flap 70 used for closing when cutting 51 or the double side flap 71 when cutting 61.
  • the block bottom protrusions 68, 69 are preferably introduced in a separate operation.
  • the bottom side flaps 10, 11 tilt more finely when the zigzag fold is carried out by an angle according to FIG. 9, when the two center lines M are located next to the bottom flap 7 at a distance of format width F and twice the offset Z. .
  • the contour of the tabs 10, 11 and the contour of the bottom flap halves 43, 44 forming the lower bottom flap 42 can correspond to the lines drawn in dashed or dashed lines in FIGS. 8 and 9. They can therefore have a full contour or can be provided with recesses 41 or 85.
  • the dimension Z is variable and depends on it as a function of the paper thickness.
  • the products 22, 52, 62 are produced in accordance with the production processes illustrated in FIGS. 10 to 15 and are basically variable in details.
  • Sheet-like material 91 serves as the starting material.
  • the individual process steps in the production of any products 92 without side folds according to FIG. 10 are as follows: the production of longitudinal breaks 12, 13 for the side flaps 5, 6 as well as transverse and angular breaks 14 to 17 in the sheet-like material 91 according to method step A; the production of side cuts 93, 94 for the production of the side flaps 5, 6 and the closure flap 3 and for the partial production of the bottom flaps 8, 9 and the bottom side flaps 10, 11 and removal of the waste according to method step B; gluing or applying a glue track 95 to a side flap 5 according to method step C; folding the side flaps 5, 6 according to method step D; the closing and production of a tubular piece 96 at the web end 106 in accordance with method step E; performing a separating cut to produce a tubular blank 97 and producing an extract or producing a distance
  • Process steps A to L can be modified in such a way that process step H takes place simultaneously with process step B, as shown in FIG. 11.
  • a further modification of process steps A to L leads to the following sequence: A; then B together with H; then the process steps C, D, E + G, I, X, F and K and L according to FIG. 12.
  • the method for producing products 92 'with side folds 63, 64 differs only slightly from the method for producing products 92 without side folds. Various modifications are also possible with this method, as can be seen from FIGS. 13 to 15.
  • the first method step A ' is the same for all variants. It includes the manufacture of the inner or side flap longitudinal protrusions 12, 13 and the front part longitudinal protrusions 38, 39 and the production of the outer or side fold longitudinal protrusions 36, 37 for the side folds 63, 64 simultaneously with the production of transverse and Angular breaks 14 to 17 for the bottom flaps 7, 42 for the bottom side flaps 10, 11 and for the closing flap 3.
  • the method steps B, C, D, E, F, G, H ', X then take place in the production method shown in FIG ', I', Y as well as K and L.
  • Steps B, C, D, E, F and G as well as K and L are identical to the processes described first.
  • Steps H ', X' and I 'differ from the corresponding steps in the methods described first and step Y is an additional step which is not present in the methods described first.
  • the method step H ' represents an edge cut that covers all layers of material to produce the bottom flaps 10, 11.
  • Process step X ' means pulling the blank 97' in the area of the lower bottom flap 42 and moving the lower bottom flap 42 back as a zigzag fold, and turning the bottom side flaps 10, 11 outward.
  • step I ' the bottom side flaps 10, 11 are glued or provided with glue traces 103 and method step Y relates to the inward turning of the bottom side flaps 10, 11 onto the lower bottom flap 42. Then, as before, the top bottom flap 7 is glued and finally folded over according to method step L and placed on the bottom side flaps 10, 11 and the bottom bottom flap 42. The product 92 'is thus completed.
  • FIGS. 14 and 15 Modifications of this method are shown in FIGS. 14 and 15.
  • process steps B and H are again combined into one step, so that here already the bottom side flaps 10, 11, the bottom bottom flap 42 consisting of the two bottom flap halves 43, 44 and the top bottom flap 7 together with a closure flap 3 of the part 104 located at the front in the transport direction can be produced by a single cut.
  • Process steps C, D, E, F, G, X ', I', Y and K and L then take place.
  • steps B and H and steps E and G are each combined to form one process step. Furthermore, the separating cut and the singling of the blank 97 'in accordance with method step F take place only after the zigzag step X' and further subsequent steps I 'and Y.
  • the product 109 shown in FIG. 16 also shows that the method according to the invention permits a variety of modifications.
  • the product 109 has a two-part closure flap 110 with a closure flap 111 on the opening side on the front part 2, while a back part closure flap 112 is located on the back part 4.
  • locking tabs 113 are also provided on the side parts 114.
  • a product 109 of this type can be easily produced using the method according to the invention, only the contour of the blank having to be adapted.
  • method steps B and H are combined in method step B ', the complete base side plates 10 and 11 being produced. Furthermore, at least one fold line involved in the zigzag fold is glued in a direction opposite to the zigzag according to an additional method step Z (FIG. 10a) before the side flap 5 is glued (method step C in FIG. 10) or Zack folds forward and back folded at least once. According to the exemplary embodiment, this is expediently done on the web 91. For this purpose, the two bottom flap halves 8, 9 and 43, 44 are first folded over their block bottom protrusions 45, 46 onto the side flaps 5, 6 and then pivoted back again. This is indicated in FIG. 10a in method step Z with the aid of small arrows.
  • FIG. 10a shows the process steps in the production of a product without side folds
  • FIG. 15a relates to the additional process step Z in the case of the production of a product with side folds.
  • the bottom flap halves 43, 44 are merely folded onto the side flaps 5, 6 and pivoted back again in order to make the block bottom protrusions 45, 46 supple for the zigzag fold which follows later (method step X ').

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Bag Frames (AREA)
EP92102391A 1991-02-20 1992-02-13 Verfahren zum kontinuierlichen Herstellen von Umschlägen, Beuteln oder Versandtaschen sowie mit dem Verfahren hergestelltes Produkt Expired - Lifetime EP0499966B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4105140 1991-02-20
DE4105140A DE4105140A1 (de) 1991-02-20 1991-02-20 Verfahren zum kontinuierlichen herstellen von umschlaegen, beuteln oder versandtaschen sowie mit dem verfahren hergestelltes produkt

Publications (3)

Publication Number Publication Date
EP0499966A2 EP0499966A2 (de) 1992-08-26
EP0499966A3 EP0499966A3 (en) 1993-07-28
EP0499966B1 true EP0499966B1 (de) 1996-01-17

Family

ID=6425396

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92102391A Expired - Lifetime EP0499966B1 (de) 1991-02-20 1992-02-13 Verfahren zum kontinuierlichen Herstellen von Umschlägen, Beuteln oder Versandtaschen sowie mit dem Verfahren hergestelltes Produkt

Country Status (7)

Country Link
US (1) US5478302A (ja)
EP (1) EP0499966B1 (ja)
JP (1) JPH05261847A (ja)
AT (1) ATE133128T1 (ja)
CA (1) CA2061436A1 (ja)
DE (2) DE4105140A1 (ja)
ES (1) ES2082244T3 (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4317071A1 (de) * 1993-05-21 1994-11-24 Winkler Duennebier Kg Masch Vorrichtung zum kontinuierlichen Herstellen von Umschlägen, Beuteln, Versandtaschen u. dgl.
DE19501886A1 (de) * 1995-01-23 1996-07-25 Amor Schmuckvertriebsgesellsch Schachtelförmiger Behälter zur Aufnahme von Gegenständen, insbesondere Schmuckgegenständen
US6827679B2 (en) * 2003-04-30 2004-12-07 Hewlett-Packard Development Company, L.P. Apparatus and method for creasing media to make booklets
RU2011150122A (ru) * 2009-05-12 2013-06-20 Эгго ХАШКЕ Пакет с накладкой
CN103786946B (zh) * 2014-03-04 2017-01-11 林绮玲 一种风琴边方底包装袋及其制作方法
FR3030352B1 (fr) * 2014-12-19 2018-09-07 Holweg Group Procede et machine de fabrication de sacs
JP6392925B1 (ja) * 2017-04-19 2018-09-19 トタニ技研工業株式会社 製袋機
DE102022105713A1 (de) * 2022-03-10 2023-09-14 Winkler + Dünnebier Gmbh Vorrichtung und Verfahren zur Herstellung von Verpackungsbehältnissen

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Publication number Priority date Publication date Assignee Title
US543571A (en) * 1895-07-30 ceist
DE241009C (ja) *
US971780A (en) * 1909-05-24 1910-10-04 Asa L Parrish Method of making paper bags.
US1029784A (en) * 1911-12-21 1912-06-18 Union Paper Bag Machine Co Manufacture of paper bags.
DE421009C (de) * 1924-04-08 1925-11-02 Paul Hickmann Verfahren zur Herstellung von Papierbeuteln
US2012357A (en) * 1933-08-08 1935-08-27 Us Envelope Co Method of making bags
US2153848A (en) * 1936-04-22 1939-04-11 Us Envelope Co Method of forming envelopes
US2428396A (en) * 1944-01-21 1947-10-07 Shellmar Products Corp Container
DE1008561B (de) * 1952-10-23 1957-05-16 Holweg Const Mec Verfahren und Vorrichtung zur fortlaufenden Herstellung von Kreuzbodenbeuteln aus Papier, einer durchsichtigen Haut oder einem beliebigen anderen, insbesondere faserlosen Werkstoff
GB840340A (en) * 1957-05-07 1960-07-06 Donald Richard Patrick Jackson Improvements in or relating to cartons made of cardboard or like material
DE1163129B (de) * 1958-12-23 1964-02-13 Honsel Karl Heinz Verfahren und Vorrichtung zum Herstellen von heissgesiegelten Kreuz- oder Klotzbodenbeuteln
GB1010395A (en) * 1963-10-16 1965-11-17 Metal Box Co Ltd Improvements in or relating to cartons
DE1436811A1 (de) * 1965-08-09 1968-11-14 Honsel Karl Heinz Verfahren zur Herstellung von vorzugsweise mehrlagigen Kreuzbodensaecken aus Papier,Kunststoff od.dgl.
US3361335A (en) * 1966-05-27 1968-01-02 Phillips Petroleum Co Bag and method of forming same
US3974959A (en) * 1974-10-09 1976-08-17 Bagcraft Corporation Of America Bag having modified closure flaps
DE2812059C3 (de) * 1978-03-20 1981-09-24 Focke & Co, 2810 Verden Packung, insbesondere Zigaretten-Packung aus Verbundfolie
FR2426616A1 (fr) * 1978-05-25 1979-12-21 Prin Jean Claude Boite en forme de sac pour l'emballage et le transport d'objets
DE3145966C2 (de) * 1981-11-20 1985-01-03 Karl-Heinz 4800 Bielefeld Honsel Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Versandtaschen aus Papier, Karton o.dgl., mit an den Längskanten eingelegten Seitenfalten und gefalteten und verklebten Klotzböden
DE8717056U1 (ja) * 1987-12-29 1988-02-18 Rotopack Gmbh Verpackungsmittelindustrie, 7000 Stuttgart, De

Also Published As

Publication number Publication date
DE4105140A1 (de) 1992-08-27
JPH05261847A (ja) 1993-10-12
US5478302A (en) 1995-12-26
EP0499966A3 (en) 1993-07-28
DE59205051D1 (de) 1996-02-29
ES2082244T3 (es) 1996-03-16
CA2061436A1 (en) 1992-08-21
EP0499966A2 (de) 1992-08-26
ATE133128T1 (de) 1996-02-15

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