Heat sealing means

Details Heat sealing means Heat sealing means

1976-09-02

1977-12-13

Van Horn, Charles E.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work cooling means

53373, 93DIG1, 156583, B30B 1534, B65B 728, B65B 5132

Patent

active

040627187

ABSTRACT:
Efficient heat sealing, particularly of thicker and/or heat shrinkable plastic materials, is obtained using a fluid heated and cooled heat-sealing member having a body of a material of low thermal conductivity and a strip of material of high thermal conductivity communicating with a heat exchange fluid passage therein.

REFERENCES:
patent: 2004041 (1935-06-01), Driver
patent: 2153351 (1939-04-01), Steinberger
patent: 2252779 (1941-08-01), Moore
patent: 2621704 (1952-12-01), Langer
patent: 2665737 (1954-01-01), Hasselquist
patent: 2796913 (1957-06-01), Fener et al.
patent: 3160999 (1964-12-01), Lee
patent: 3496049 (1970-02-01), Anderson
patent: 3692613 (1972-09-01), Pederson

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