Impulse sealing apparatus

Details Impulse sealing apparatus Impulse sealing apparatus

1982-11-10

1985-07-16

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work cooling means

156515, 1565832, 1565833, B32B 3120

Patent

active

045294720

ABSTRACT:
This invention relates to an improved method and apparatus for impulse sealing thermoplastic materials in automatic form fill seal machines with separate applications of sealing, cutting and cooling.

REFERENCES:
patent: 2621704 (1952-12-01), Langer
patent: 2796914 (1957-06-01), Park
patent: 2961031 (1960-11-01), Fener
patent: 3332204 (1967-07-01), Frank
patent: 3384528 (1968-03-01), Lehmacher
patent: 3593000 (1971-07-01), Forma
patent: 3692608 (1972-09-01), Risgaard
patent: 3692613 (1972-09-01), Pederson
patent: 3703427 (1972-11-01), Sellers et al.
patent: 3982991 (1976-09-01), Hamm
patent: 4075818 (1978-02-01), Wright et al.
patent: 4113182 (1978-09-01), Wildmoser

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