IT1042963B - PROCEDURE AND DEVICE FOR THE MANUFACTURE OF PLASTIC BAGS WITH OPENING MEDIUM - Google Patents

PROCEDURE AND DEVICE FOR THE MANUFACTURE OF PLASTIC BAGS WITH OPENING MEDIUM

Info

Publication number: IT1042963B
Authority: IT; Italy
Prior art keywords: procedure; manufacture; plastic bags; opening medium; medium
Prior art date: 1974-10-03

Application number

IT27763/75A

Other languages

Italian (it)

Original Assignee

Wolff Walsrode Ag

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.)

1974-10-03

Filing date

1975-09-29

Publication date

1980-01-30

1975-09-29 Application filed by Wolff Walsrode Ag filed Critical Wolff Walsrode Ag

1980-01-30 Application granted granted Critical

1980-01-30 Publication of IT1042963B publication Critical patent/IT1042963B/en

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
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B70/812—Applying patches, strips or strings on sheets or webs
- B31B70/8123—Applying strips
- 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
- B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B50/812—Applying tabs, patches, strips or strings on blanks or webs
- B31B50/8125—Applying strips or strings, e.g. tear strips or strings
- B31B50/8127—Applying strips or strings, e.g. tear strips or strings perpendicular to the direction of movement of the webs or the blanks

IT27763/75A 1974-10-03 1975-09-29 PROCEDURE AND DEVICE FOR THE MANUFACTURE OF PLASTIC BAGS WITH OPENING MEDIUM IT1042963B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19742447259 DE2447259A1 (en)	1974-10-03	1974-10-03	METHOD AND DEVICE FOR THE MANUFACTURING OF PLASTIC BAGS WITH OPENING AID

Publications (1)

Publication Number	Publication Date
IT1042963B true IT1042963B (en)	1980-01-30

Family

ID=5927474

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT27763/75A IT1042963B (en)	1974-10-03	1975-09-29	PROCEDURE AND DEVICE FOR THE MANUFACTURE OF PLASTIC BAGS WITH OPENING MEDIUM

Country Status (6)

Country	Link
BE (1)	BE834000A (en)
CH (1)	CH595983A5 (en)
DE (1)	DE2447259A1 (en)
FR (1)	FR2286707A1 (en)
IT (1)	IT1042963B (en)
NL (1)	NL7511573A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5203935A (en) *	1983-03-31	1993-04-20	Payne Packaging Limited	Method of producing packaging material having a tear tape
DE3471639D1 (en) *	1983-03-31	1988-07-07	Payne Packaging Ltd	Improvements in or relating to tapes
DE4407667A1 (en) *	1994-03-09	1995-09-14	Roessler Papier Gmbh & Co Kg	Envelope or envelope, and method and device for making such envelopes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2683401A (en) *	1951-08-17	1954-07-13	Battle Creek Bread Wrapping Machine Co	Method and apparatus for applying rip strips to wrapping sheets
GB724918A (en) *	1952-02-15	1955-02-23	Cellophane Invest Company Ltd	Improvements in or relating to methods for the manufacture of bags and sachets
US2942528A (en) *	1957-05-06	1960-06-28	Crompton & Knowles Corp	Tear tape applying mechanism for a wrapping machine
DE1093288B (en) *	1957-10-18	1960-11-17	Schmermund Maschf Alfred	Cutting device for cutting out the handle end of the tear strip

1974
- 1974-10-03 DE DE19742447259 patent/DE2447259A1/en not_active Withdrawn
1975
- 1975-09-29 CH CH1260675A patent/CH595983A5/xx not_active IP Right Cessation
- 1975-09-29 IT IT27763/75A patent/IT1042963B/en active
- 1975-09-30 BE BE160527A patent/BE834000A/en unknown
- 1975-10-01 NL NL7511573A patent/NL7511573A/en not_active Application Discontinuation
- 1975-10-02 FR FR7530188A patent/FR2286707A1/en active Granted

Also Published As

Publication number	Publication date
BE834000A (en)	1976-01-16
DE2447259A1 (en)	1976-04-08
FR2286707A1 (en)	1976-04-30
NL7511573A (en)	1976-04-06
CH595983A5 (en)	1978-02-28
FR2286707B1 (en)	1979-06-29

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