CA987152A - Method and apparatus for opening tubes of flexible material - Google Patents

Method and apparatus for opening tubes of flexible material

Info

Publication number
CA987152A
CA987152A CA175,061A CA175061A CA987152A CA 987152 A CA987152 A CA 987152A CA 175061 A CA175061 A CA 175061A CA 987152 A CA987152 A CA 987152A
Authority
CA
Canada
Prior art keywords
flexible material
opening tubes
tubes
opening
flexible
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
CA175,061A
Other versions
CA175061S (en
Inventor
Clinton R. Hollis
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.)
International Paper Co
Original Assignee
International Paper Co
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 International Paper Co filed Critical International Paper Co
Application granted granted Critical
Publication of CA987152A publication Critical patent/CA987152A/en
Expired 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • 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
    • B31B70/02—Feeding or positioning sheets, blanks or webs
    • B31B70/022—Holders for feeding or positioning sheets or 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/76—Opening and distending flattened articles
    • B31B50/78—Mechanically
CA175,061A 1972-06-29 1973-06-27 Method and apparatus for opening tubes of flexible material Expired CA987152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00267361A US3834287A (en) 1972-06-29 1972-06-29 Method and apparatus for opening tubes of flexible material

Publications (1)

Publication Number Publication Date
CA987152A true CA987152A (en) 1976-04-13

Family

ID=23018469

Family Applications (1)

Application Number Title Priority Date Filing Date
CA175,061A Expired CA987152A (en) 1972-06-29 1973-06-27 Method and apparatus for opening tubes of flexible material

Country Status (2)

Country Link
US (1) US3834287A (en)
CA (1) CA987152A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10261256B4 (en) * 2002-12-20 2004-11-11 Windmöller & Hölscher Kg Bottoming device
DE102008017442B4 (en) * 2008-04-03 2013-01-17 Windmöller & Hölscher Kg Apparatus and method for making sacks comprising stretched plastic tape fabrics
DE102008017445A1 (en) * 2008-04-03 2009-10-15 Windmöller & Hölscher Kg Apparatus and method for producing sacks
CN117465066A (en) * 2022-07-20 2024-01-30 安庆市恒昌机械制造有限责任公司 Automatic packaging bag manufacturing device and manufacturing method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2707421A (en) * 1951-07-21 1955-05-03 Rawe Martin Bag bottom forming device for paper bag manufacturing machines
FR1170575A (en) * 1956-04-05 1959-01-15 Device for opening tubes of paper or a similar material formed of one or more plies, in paper converting machines

Also Published As

Publication number Publication date
US3834287A (en) 1974-09-10

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