Method of producing film-wrapped packages or packaged units, and

Details Method of producing film-wrapped packages or packaged units, and Method of producing film-wrapped packages or packaged units, and

1987-01-08

1988-03-08

Sipos, John

Package making

With cover-adjunct application or formation

Adjunct comprising provision to allow access to contents,...

53556, 53588, B65B 1304, B65B 6118

Patent

active

047292059

ABSTRACT:
A method of producing film-wrapped packages or packaged units, wherein a package or packaged unit is wrapped in a film hose formed by helical wrapping of the film (web) (30). In front of the wrapping front advancing relative to the package, a tear-up thread is also enclosed by the forming film hose. A wakening (tear-up) line is formed in the film hose in the vicinity and along the length of the tear-up thread. Here, an abutment for a spiked roller (10) is formed by a stationary tongue (12) above a conveyor belt (6) and below the film (web) (30).

REFERENCES:
patent: 1870519 (1932-08-01), Leguillon
patent: 1978035 (1934-10-01), Thom
patent: 2653432 (1953-09-01), Wright
patent: 2661582 (1953-12-01), Hansen
patent: 3593483 (1971-07-01), Tracy
patent: 3807118 (1974-04-01), Pike
patent: 4203270 (1980-05-01), Forman
patent: 4317322 (1982-03-01), Lancaster

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