Station for applying segments of openable/reclosable strip...

Details Station for applying segments of openable/reclosable strip... Station for applying segments of openable/reclosable strip...

2005-03-25

2008-03-11

Tucker, Philip (Department: 1734)

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

C156S514000, C156S519000, C156S252000, C156S253000, C156S265000, C156S270000, C053S133800, C053S139200, C383S063000, C383S066000, C493S201000, C493S213000, C493S927000

Reexamination Certificate

active

07341085

ABSTRACT:
A station for the application of segments of openable/reclosable strip on a plastic film web destined to form bags, includes a device for sealing segments of strip at intervals on the film and a device for punching predefined zones of film. The punching device and the sealing device are positioned in the station along the film path to act in sequence in the same zone for punching the film and sealing the segments in the predefined points of the film keeping the film stationary between the film punching operation and the corresponding operation for sealing a segment on the film.

REFERENCES:
patent: 2467572 (1949-04-01), Weisselberg
patent: 3287878 (1966-11-01), Mobley
patent: 3790424 (1974-02-01), Young, Jr. et al.
patent: 3884738 (1975-05-01), Hofius, Sr.
patent: 0371314 (1990-06-01), None
patent: 1170217 (2002-01-01), None
patent: 1440911 (1976-06-01), None
Patent Abstracts of Japan, vol. 2003, No. 3, May 5, 2003 & JP 2002 337254 A (Tetra Laval Holdings & Finance SA).

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