EP0348823A3 - Method and device for manufacturing bags with thermoplastic pull strings - Google Patents
Method and device for manufacturing bags with thermoplastic pull strings Download PDFInfo
- Publication number
- EP0348823A3 EP0348823A3 EP19890111383 EP89111383A EP0348823A3 EP 0348823 A3 EP0348823 A3 EP 0348823A3 EP 19890111383 EP19890111383 EP 19890111383 EP 89111383 A EP89111383 A EP 89111383A EP 0348823 A3 EP0348823 A3 EP 0348823A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- thermoplastic
- bags
- pull strings
- manufacturing bags
- hem
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B70/813—Applying closures
- B31B70/8134—Applying strings; Making string-closed bags
- B31B70/8135—Applying strings; Making string-closed bags the strings being applied in the machine direction
-
- 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
-
- 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
- B31B2155/0014—Flexible containers made from webs by folding webs longitudinally having their openings facing transversally 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
- 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
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B70/813—Applying closures
- B31B70/8134—Applying strings; Making string-closed bags
- B31B70/8137—Applying strings; Making string-closed bags the ends of the strings being attached to the side edges of the bags
-
- 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
- B31B70/74—Auxiliary operations
- B31B70/92—Delivering
- B31B70/94—Delivering singly or in succession
- B31B70/946—Delivering singly or in succession the bags being interconnected
Abstract
Die Erfindung betrifft ein Verfahren und eine Vorrichtung zum Herstellen von Beuteln mit Zugbändern aus thermoplastischer Kunststoffolie, die in Saumumschläge entlang der Folienränder eingelegt werden, wobei die Saumumschläge angeschweißt werden und die Beutel durch Querschweißen der Seitennähte abgeteilt werden, bei dem doppellagige Zugbänder durch Falten und Auftrennen eines Folienbandes verwendet werden und Zugrifflöcher und Entlüftungsöffnungen in die flachgelegte noch nicht zu Saumumschlägen gefaltete Folienbahn gestanzt werden. The invention relates to a method and an apparatus for Manufacture of bags with drawstrings made of thermoplastic Plastic film wrapped around the edges of the film be inserted, the hem envelopes being welded on and divided the bags by cross welding the side seams be, in the double-layered drawstrings by folding and Cutting a film tape can be used and Access holes and vents in the flat lay yet foil sheet not folded into hem envelopes are punched.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3821905 | 1988-06-29 | ||
DE3821905A DE3821905C1 (en) | 1988-06-29 | 1988-06-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0348823A2 EP0348823A2 (en) | 1990-01-03 |
EP0348823A3 true EP0348823A3 (en) | 1991-05-02 |
EP0348823B1 EP0348823B1 (en) | 1993-12-15 |
Family
ID=6357505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89111383A Revoked EP0348823B1 (en) | 1988-06-29 | 1989-06-22 | Method and device for manufacturing bags with thermoplastic pull strings |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0348823B1 (en) |
DE (1) | DE3821905C1 (en) |
ES (1) | ES2047610T3 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4433582A1 (en) * | 1994-09-08 | 1996-03-14 | Lemo Maschb Gmbh | Bags made of thermoplastic plastic film |
EP0700835B1 (en) * | 1994-09-08 | 1998-06-10 | LEMO Maschinenbau GmbH | Bag made of thermoplastic sheet |
DE10151843A1 (en) | 2001-10-24 | 2003-05-08 | Lemo Maschb Gmbh | Bags made of thermoplastic plastic film |
DE10218720B3 (en) * | 2002-04-26 | 2004-02-05 | Lemo Maschinenbau Gmbh | Drawstring pouch with adhesive strips |
DE102004022845A1 (en) * | 2004-05-08 | 2005-12-01 | Lemo Maschinenbau Gmbh | Method of making drawstring bags with stretchable drawstring |
EP1767462A1 (en) * | 2005-09-26 | 2007-03-28 | Valeska Werner | Bag assembly and method of manufacturing a bag assembly |
EP2275356A1 (en) * | 2009-07-15 | 2011-01-19 | Ulfoss Company Group A/S | Method for manufacturing draw string bags |
EP3616895A1 (en) * | 2018-08-28 | 2020-03-04 | pely-plastic GmbH & Co. KG | Method for producing draw string refuse bags formed from sheet material and draw string refuse bag formed from sheet material |
CN109703104A (en) * | 2019-02-22 | 2019-05-03 | 陈爱平 | A kind of processing unit (plant) for plastic knitting container bag material mouth ligament |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1255469B (en) * | 1962-07-31 | 1967-11-30 | Colodense Ltd | Process for the continuous manufacture of drawstring bags |
GB1176612A (en) * | 1967-04-24 | 1970-01-07 | Holweg Const Mec | Improvements in the manufacture of Shopping or Carrier Bags of Plastics Materials |
FR2078624A5 (en) * | 1970-02-16 | 1971-11-05 | Trans Atlas Ag | |
FR2095979A5 (en) * | 1970-06-09 | 1972-02-11 | Heijmeijer L J Ver Fab | |
US3871269A (en) * | 1970-12-22 | 1975-03-18 | Canadian Ind | Bag severing machine |
US4597750A (en) * | 1984-09-20 | 1986-07-01 | Mobil Oil Corporation | Insertion of draw tape strips in draw tape bag manufacture |
US4624654A (en) * | 1984-09-20 | 1986-11-25 | Mobil Oil Corporation | Method and apparatus for manufacturing draw tape bags |
DE8716803U1 (en) * | 1987-12-22 | 1988-02-18 | Stiegler Gmbh Maschinenfabrik, 7062 Rudersberg, De |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3568576A (en) * | 1967-07-01 | 1971-03-09 | Michael Lehmacher | Method of producing carrier bags |
DE2215675B2 (en) * | 1972-03-30 | 1974-04-11 | Hans 5216 Niederkassel Lehmacher | Thermoplastic film carrier bag - with folded thermoplastic film handle without sharp edges |
DE8434032U1 (en) * | 1984-11-20 | 1985-03-07 | Krauss Kaminwerke München-Geiselbullach GmbH & Co KG, 8037 Olching | INSULATION FIREPLACE WITH A CONSOLE ABOVE THE AIR INLET |
US4714455A (en) * | 1986-06-06 | 1987-12-22 | Mobil Oil Corporation | Hem folder with integral tape inserter for making draw tape bags |
-
1988
- 1988-06-29 DE DE3821905A patent/DE3821905C1/de not_active Revoked
-
1989
- 1989-06-22 ES ES89111383T patent/ES2047610T3/en not_active Expired - Lifetime
- 1989-06-22 EP EP89111383A patent/EP0348823B1/en not_active Revoked
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1255469B (en) * | 1962-07-31 | 1967-11-30 | Colodense Ltd | Process for the continuous manufacture of drawstring bags |
GB1176612A (en) * | 1967-04-24 | 1970-01-07 | Holweg Const Mec | Improvements in the manufacture of Shopping or Carrier Bags of Plastics Materials |
FR2078624A5 (en) * | 1970-02-16 | 1971-11-05 | Trans Atlas Ag | |
FR2095979A5 (en) * | 1970-06-09 | 1972-02-11 | Heijmeijer L J Ver Fab | |
US3871269A (en) * | 1970-12-22 | 1975-03-18 | Canadian Ind | Bag severing machine |
US4597750A (en) * | 1984-09-20 | 1986-07-01 | Mobil Oil Corporation | Insertion of draw tape strips in draw tape bag manufacture |
US4624654A (en) * | 1984-09-20 | 1986-11-25 | Mobil Oil Corporation | Method and apparatus for manufacturing draw tape bags |
DE8716803U1 (en) * | 1987-12-22 | 1988-02-18 | Stiegler Gmbh Maschinenfabrik, 7062 Rudersberg, De |
Also Published As
Publication number | Publication date |
---|---|
EP0348823B1 (en) | 1993-12-15 |
ES2047610T3 (en) | 1994-03-01 |
DE3821905C1 (en) | 1990-02-08 |
EP0348823A2 (en) | 1990-01-03 |
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Legal Events
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26 | Opposition filed |
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Opponent name: LEMO M. LAHMACHER & SOHN GMBH, Effective date: 19940826 |
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NLR1 | Nl: opposition has been filed with the epo |
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