Heat seal machine

Details Heat seal machine Heat seal machine

1978-08-14

1980-09-09

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With timing means

100 93P, 100219, 100233, 100259, 100280, 100283, 1565838, 1565839, B30B 1520, B30B 1522, B30B 1534

Patent

active

042216265

ABSTRACT:
An improved heat seal machine having a lever linkage that cooperates with an electromagnet clamp to hold down a movable platen in heat sealing relation against a base platen after manual closure of the two platens into sealing relation. A spring operated opener returns the movable platen into home position after the electromagnet clamp is released, the opener cooperating with a dampener device that controls the opening rate of the movable platen.

REFERENCES:
patent: 2369362 (1945-02-01), Marziani
patent: 2766810 (1956-10-01), Gibson
patent: 2927620 (1960-03-01), Elliott
patent: 3035951 (1962-05-01), Braun et al.
patent: 3149560 (1964-09-01), Finke
patent: 3316582 (1967-05-01), Johnston et al.
patent: 4058055 (1977-11-01), Douglas

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