Sealing mechanism

Details Sealing mechanism Sealing mechanism

1980-09-29

1982-03-02

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Presses or press platen structures, per se

100 93P, 100257, 100264, 156515, 493203, 493209, B30B 1504, B30B 1534

Patent

active

043176976

ABSTRACT:
An adjustable sealing mechanism for heat sealing packages in plastic film is disclosed. The sealing apparatus includes means for vertically adjusting the position of the heat seal to accommodate objects of varying heights while maintaining a vertically controlled heat seal at the ends of the object.

REFERENCES:
patent: 2555139 (1951-05-01), Knowles
patent: 3454741 (1969-07-01), Stewart
patent: 3574039 (1971-04-01), Fehr et al.
patent: 3640187 (1972-02-01), Mundus
patent: 4040237 (1977-08-01), O'Brien
patent: 4133260 (1979-01-01), Gundal
Reynolds Metals Company Blueprint No. E-2249, Jun. 16, 1977.

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