DE3576796D1 - Verfahren zum vorbereiten von thermoplastischen saecken mit flachem boden und systeme dafuer. - Google Patents

Verfahren zum vorbereiten von thermoplastischen saecken mit flachem boden und systeme dafuer.

Info

Publication number
DE3576796D1
DE3576796D1 DE8585305690T DE3576796T DE3576796D1 DE 3576796 D1 DE3576796 D1 DE 3576796D1 DE 8585305690 T DE8585305690 T DE 8585305690T DE 3576796 T DE3576796 T DE 3576796T DE 3576796 D1 DE3576796 D1 DE 3576796D1
Authority
DE
Germany
Prior art keywords
tube
forming
diagonal
transverse
seams
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.)
Revoked
Application number
DE8585305690T
Other languages
English (en)
Inventor
Gordon Leon Benoit
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.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil 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 Mobil Oil Corp filed Critical Mobil Oil Corp
Application granted granted Critical
Publication of DE3576796D1 publication Critical patent/DE3576796D1/de
Anticipated expiration legal-status Critical
Revoked 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
    • 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
    • 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
    • B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
    • B31B70/266—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement involving gusset-forming
    • 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
    • B31B70/36—Folding sheets, blanks or webs by continuously feeding them to stationary members, e.g. plates, ploughs or cores
    • 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
    • B31B70/874—Forming integral handles or mounting separate handles involving punching or cutting

Landscapes

  • Making Paper Articles (AREA)
  • Bag Frames (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
DE8585305690T 1985-08-12 1985-08-12 Verfahren zum vorbereiten von thermoplastischen saecken mit flachem boden und systeme dafuer. Revoked DE3576796D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85305690A EP0215163B1 (de) 1985-08-12 1985-08-12 Verfahren zum Vorbereiten von thermoplastischen Säcken mit flachem Boden und Systeme dafür

Publications (1)

Publication Number Publication Date
DE3576796D1 true DE3576796D1 (de) 1990-05-03

Family

ID=8194321

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585305690T Revoked DE3576796D1 (de) 1985-08-12 1985-08-12 Verfahren zum vorbereiten von thermoplastischen saecken mit flachem boden und systeme dafuer.

Country Status (3)

Country Link
EP (1) EP0215163B1 (de)
AT (1) ATE51360T1 (de)
DE (1) DE3576796D1 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2320326A (en) * 1940-04-29 1943-05-25 Union Bag & Paper Corp Manufacture of heat sealed bags
GB1040439A (en) * 1963-09-12 1966-08-24 Canadian Ind Method and apparatus for making gusseted plastic bags
FR2242860A5 (en) * 1973-09-03 1975-03-28 Joice Richard Production of bases for thermoplastic bags - by welding double thickness film in double edge sections
US3853664A (en) * 1973-08-01 1974-12-10 Square Bag It Corp Bag making machine and method
NL7903733A (nl) * 1979-05-11 1980-11-13 Wavin Bv Werkwijze voor het vervaardigen van een baan van kunst- stofzakken met twee blokbodems.
US4386924A (en) * 1980-10-23 1983-06-07 Fmc Corporation Handle bag making apparatus

Also Published As

Publication number Publication date
ATE51360T1 (de) 1990-04-15
EP0215163B1 (de) 1990-03-28
EP0215163A1 (de) 1987-03-25

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation