Method of producing film-wrapped packages or packaged units

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

1985-01-10

1987-04-07

Schran, Donald R.

Package making

Methods

Applying a partial cover

53412, 53441, 53556, B65B 6118, B65B 1314

Patent

active

046550283

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 weakening (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: 1978035 (1984-10-01), Thom
patent: 2653432 (1953-09-01), Wright et al.
patent: 2898634 (1959-08-01), Alderfer
patent: 3400810 (1968-09-01), Makowski
patent: 3593483 (1971-07-01), Tracy
patent: 3807118 (1974-04-01), Pike
patent: 4203270 (1980-05-01), Forman
patent: 4317322 (1980-05-01), Lancaster

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