Method for applying reclosable fastener to package

Details Method for applying reclosable fastener to package Method for applying reclosable fastener to package

1988-12-01

1990-09-18

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

24576, 24587, 156499, 383 63, B32B 3108

Patent

active

049575716

ABSTRACT:
An apparatus and method for forming reclosable packages for food and other items. The package is formed from webs of thermoplastic material and include a separable fastener strip which is reclosable to permit reclosing of the package. Forming, filling, sealing and cutting stations are included for forming the package. A heater heats the fastener strip while it is under tension prior to application to the webs to straighten the fastener strip for improved alignment and sealing.

REFERENCES:
patent: 3532571 (1970-10-01), Ausnit
patent: 3948705 (1976-04-01), Ausnit
patent: 4246288 (1981-01-01), Sanborn, Jr.
patent: 4355494 (1982-10-01), Tilman
patent: 4437293 (1984-03-01), Sanborn, Jr.
patent: 4589145 (1986-05-01), Van Erden
patent: 4617683 (1986-10-01), Christoff
patent: 4812192 (1989-03-01), Woods et al.

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