Method and apparatus for sealing and cutting thermoplastic mater

Details Method and apparatus for sealing and cutting thermoplastic mater Method and apparatus for sealing and cutting thermoplastic mater

1978-04-03

1978-12-26

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

93 33H, 93 35R, 93DIG1, 156510, 156530, 156583, B32B 3118, B32B 3120

Patent

active

041315030

ABSTRACT:
A sealing-cutting mechanism for use in a bag-making machine for manufacturing bags from thermoplastic material of tubular, flexible stock comprising an elongated heated sealing bar and an elongated heated blade mounted in side-by-side relation for independent reciprocal travel onto a support for sequentially cutting and sealing said thermoplastic material while supported under tension. This is a continuation of application Ser. No. 729,228 filed Oct. 4, 1976, now abandoned.

REFERENCES:
patent: 3449196 (1969-06-01), Yumoto et al.
patent: 3801409 (1974-04-01), Plate et al.
patent: 3813998 (1974-06-01), Lotto
patent: 3980516 (1976-09-01), Guard
patent: 3992981 (1976-11-01), Stock

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