DE3222376C2 - - Google Patents

Info

Publication number
DE3222376C2
DE3222376C2 DE3222376A DE3222376A DE3222376C2 DE 3222376 C2 DE3222376 C2 DE 3222376C2 DE 3222376 A DE3222376 A DE 3222376A DE 3222376 A DE3222376 A DE 3222376A DE 3222376 C2 DE3222376 C2 DE 3222376C2
Authority
DE
Germany
Prior art keywords
tube
wave
reinforcing elements
wave crests
webs
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
Application number
DE3222376A
Other languages
German (de)
English (en)
Other versions
DE3222376A1 (de
Inventor
Hans 5216 Niederkassel De Lehmacher
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.)
Lemo Maschinenbau GmbH
Original Assignee
M Lehmacher & Sohn Maschinenfabrik 5216 Niederkassel De GmbH
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 M Lehmacher & Sohn Maschinenfabrik 5216 Niederkassel De GmbH filed Critical M Lehmacher & Sohn Maschinenfabrik 5216 Niederkassel De GmbH
Priority to DE19823222376 priority Critical patent/DE3222376A1/de
Priority to GB08315901A priority patent/GB2121721B/en
Publication of DE3222376A1 publication Critical patent/DE3222376A1/de
Application granted granted Critical
Publication of DE3222376C2 publication Critical patent/DE3222376C2/de
Granted legal-status Critical Current

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
    • B31B70/86—Forming integral handles or mounting separate handles
    • B31B70/872—Forming integral handles on 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
    • 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
    • B31B2155/003—Flexible containers made from webs starting from tubular 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
    • 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
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B70/16—Cutting webs
    • B31B70/18—Cutting 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
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/86—Forming integral handles or mounting separate handles
    • B31B70/876—Forming integral handles or mounting separate handles involving application of reinforcement strips or patches; involving reinforcements obtained by folding

Landscapes

  • Making Paper Articles (AREA)
DE19823222376 1982-06-15 1982-06-15 Verfahren zur herstellung von kunststofftragetaschen Granted DE3222376A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19823222376 DE3222376A1 (de) 1982-06-15 1982-06-15 Verfahren zur herstellung von kunststofftragetaschen
GB08315901A GB2121721B (en) 1982-06-15 1983-06-09 A process for the manufacture of plastics carrier bags

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823222376 DE3222376A1 (de) 1982-06-15 1982-06-15 Verfahren zur herstellung von kunststofftragetaschen

Publications (2)

Publication Number Publication Date
DE3222376A1 DE3222376A1 (de) 1983-12-29
DE3222376C2 true DE3222376C2 (OSRAM) 1987-11-12

Family

ID=6166057

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823222376 Granted DE3222376A1 (de) 1982-06-15 1982-06-15 Verfahren zur herstellung von kunststofftragetaschen

Country Status (2)

Country Link
DE (1) DE3222376A1 (OSRAM)
GB (1) GB2121721B (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3424748A1 (de) * 1984-07-05 1986-01-16 LEMO M. Lehmacher & Sohn GmbH Maschinenfabrik, 5216 Niederkassel Abreissblock aus einer mehrzahl von tragetaschen aus thermoplastischer kunststoffolie
DE3543727A1 (de) * 1985-12-11 1987-06-19 Lehmacher & Sohn Masch Abreissblock aus einer mehrzahl von tragetaschen aus thermoplastischer kunststoffolie
DE3643503A1 (de) * 1986-12-19 1988-07-07 Stiegler Maschf Gmbh Sack bzw. beutel aus thermoplastischer kunststoffolie mit einem zugband
DE3704662A1 (de) * 1987-02-14 1988-08-25 Stiegler Maschf Gmbh Verfahren zum herstellen von verblockten packen aus beuteln mit seitennaht
DE3711165A1 (de) * 1987-04-02 1988-10-20 Stiegler Maschf Gmbh Verfahren zum herstellen von tragebeuteln aus kunststoffolie mit seitennaht
DE3906390C2 (de) * 1989-03-01 1997-06-05 Lemo Maschb Gmbh Verfahren zur Herstellung und zum Stapeln von Kunststoffbeuteln
US10035318B2 (en) * 2014-03-05 2018-07-31 Parkdale Incorporated Closure bag with reinforced handles
US11267618B1 (en) 2016-09-16 2022-03-08 Robert DeMatteis Algorithmic construction of a plastic bag

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2246170A1 (en) * 1973-10-01 1975-04-25 Holweg Const Mec Carrier bag with reinforced holding strips - applied in one operation by folding back edge and fitting reinforcing strip
DE2526014C2 (de) * 1975-06-11 1988-04-14 Hans 5216 Niederkassel Lehmacher Verfahren zur paarweisen Herstellung von seitengeschweißten Tragetaschen
FI58752C (fi) * 1976-12-03 1981-12-14 Suominen H S Amerplast Med baerhandtag foersedd kasse av plastfolie jaemte saett foer tillverkning av densamma
DE3119084A1 (de) * 1981-05-14 1982-12-02 Hans 5216 Niederkassel Lehmacher "verfahren und vorrichtung zum herstellen von kunststofftaschen"

Also Published As

Publication number Publication date
GB2121721B (en) 1985-09-11
DE3222376A1 (de) 1983-12-29
GB2121721A (en) 1984-01-04
GB8315901D0 (en) 1983-07-13

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: LEMO M. LEHMACHER & SOHN GMBH, 5216 NIEDERKASSEL,

8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: LEMO MASCHINENBAU GMBH, 5216 NIEDERKASSEL, DE

8339 Ceased/non-payment of the annual fee