CA993701A - Method of forming flat bottoms on bags of creasable material - Google Patents

Method of forming flat bottoms on bags of creasable material

Info

Publication number
CA993701A
CA993701A CA187,301A CA187301A CA993701A CA 993701 A CA993701 A CA 993701A CA 187301 A CA187301 A CA 187301A CA 993701 A CA993701 A CA 993701A
Authority
CA
Canada
Prior art keywords
bags
forming flat
flat bottoms
creasable material
creasable
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
CA187,301A
Other versions
CA187301S (en
Inventor
John B. Cole
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.)
Midland Ross Corp
Original Assignee
Midland Ross 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 Midland Ross Corp filed Critical Midland Ross Corp
Application granted granted Critical
Publication of CA993701A publication Critical patent/CA993701A/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
    • 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
    • B31B70/26—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
    • 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
    • B31B2150/0016—Flexible containers made from sheets or blanks, e.g. from flattened tubes with square or cross bottom made from already formed 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
    • 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
CA187,301A 1973-05-23 1973-12-04 Method of forming flat bottoms on bags of creasable material Expired CA993701A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US362888A US3886850A (en) 1973-05-23 1973-05-23 Method of forming flat bottoms on bags of creasable material

Publications (1)

Publication Number Publication Date
CA993701A true CA993701A (en) 1976-07-27

Family

ID=23427908

Family Applications (1)

Application Number Title Priority Date Filing Date
CA187,301A Expired CA993701A (en) 1973-05-23 1973-12-04 Method of forming flat bottoms on bags of creasable material

Country Status (2)

Country Link
US (1) US3886850A (en)
CA (1) CA993701A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1114215A (en) * 1978-03-24 1981-12-15 Ewald A. Kamp Method for producing a flat bottom plastic bag
US4273550A (en) * 1978-03-24 1981-06-16 Union Carbide Corporation Method for producing a flat bottom plastic bag
US5102384A (en) * 1989-09-01 1992-04-07 Ross Philip E Method for making flat bottom plastic bag
US5468206A (en) * 1990-05-02 1995-11-21 Jebco Packaging Systems, Inc. Container
ITTO20120381A1 (en) * 2012-04-30 2013-10-31 Roberto Emilio Gingardi MACHINE FOR THE CONSTRUCTION OF A BAG BAG.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094905A (en) * 1960-07-08 1963-06-25 Robert L Haslacher Process for making bags
US3329260A (en) * 1966-06-06 1967-07-04 Superpac Inc Stacked bags
US3554099A (en) * 1968-10-10 1971-01-12 Frederick T Rodley Process and apparatus for making shopping bag
US3606822A (en) * 1970-01-12 1971-09-21 Nat Distillers Chem Corp Method and apparatus for producing a flat-bottom plastic bag

Also Published As

Publication number Publication date
US3886850A (en) 1975-06-03

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