FR2241390B3 - - Google Patents

Info

Publication number
FR2241390B3
FR2241390B3 FR7428410A FR7428410A FR2241390B3 FR 2241390 B3 FR2241390 B3 FR 2241390B3 FR 7428410 A FR7428410 A FR 7428410A FR 7428410 A FR7428410 A FR 7428410A FR 2241390 B3 FR2241390 B3 FR 2241390B3
Authority
FR
France
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
FR7428410A
Other versions
FR2241390A1 (en
Inventor
S G A Lindqvist
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.)
Individual
Original Assignee
Individual
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
Priority claimed from SE7311288A external-priority patent/SE375718B/xx
Priority claimed from SE7404546A external-priority patent/SE391484B/xx
Application filed by Individual filed Critical Individual
Publication of FR2241390A1 publication Critical patent/FR2241390A1/fr
Application granted granted Critical
Publication of FR2241390B3 publication Critical patent/FR2241390B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
    • 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
FR7428410A 1973-08-20 1974-08-19 Welding plastic film without weakening it - by series of overlapping cuts just before the weld seams Granted FR2241390A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7311288A SE375718B (fr) 1973-08-20 1973-08-20
SE7404546A SE391484B (sv) 1974-04-04 1974-04-04 Forfaringssett vid framstellning av produkter av langa materialbanor

Publications (2)

Publication Number Publication Date
FR2241390A1 FR2241390A1 (en) 1975-03-21
FR2241390B3 true FR2241390B3 (fr) 1977-06-10

Family

ID=26656393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7428410A Granted FR2241390A1 (en) 1973-08-20 1974-08-19 Welding plastic film without weakening it - by series of overlapping cuts just before the weld seams

Country Status (2)

Country Link
DE (1) DE2439953C2 (fr)
FR (1) FR2241390A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5868057A (en) * 1996-07-23 1999-02-09 Western Printing Machinery Company Perforation rule for rotary cutting system
AT505283B1 (de) 2007-02-05 2008-12-15 Starlinger & Co Gmbh Verfahren zum herstellen von bahnabschnitten aus flexiblem bahnmaterial sowie zum herstellen von verpackungsbehältern

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2238157A (en) * 1939-04-01 1941-04-15 Scott Paper Co Mechanism for producing perforated webs
DE1934041A1 (de) * 1969-07-04 1971-02-04 Sengewald Dr Karl H Verfahren zum Herstellen von Beuteln oder Tragetaschen mit zugehoeriger Vorrichtung und nach dem Verfahren hergestellte Tragetasche
FR2161144A5 (fr) * 1971-11-15 1973-07-06 Gascogne Papeteries

Also Published As

Publication number Publication date
DE2439953C2 (de) 1983-02-03
DE2439953A1 (de) 1975-03-06
FR2241390A1 (en) 1975-03-21

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Legal Events

Date Code Title Description
ST Notification of lapse