Apparatus for heat sealing

Details Apparatus for heat sealing Apparatus for heat sealing

1984-07-27

1985-07-16

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With bending, folding, winding, or wrapping means

53563, 156544, 1565835, 493302, B29D 2310, B30B 1534

Patent

active

045294712

ABSTRACT:
An apparatus for lap sealing plastics resin films is disclosed. The apparatus includes a heated and driven belt and a back-up plate. The belt may be driven independently of the film, such that its speed need not equal that of the film. The back-up plate includes a finger means for orienting the film into a lapped position and a sealing surface which permits the film to slide without damage and which does not act as a heat sink.

REFERENCES:
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patent: 2658552 (1953-11-01), Grevich
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patent: 3367261 (1968-02-01), Kashiwagi
patent: 3729359 (1973-04-01), Monsees
patent: 3739129 (1973-06-01), Miller
patent: 4084999 (1978-04-01), Rucker
patent: 4213031 (1980-07-01), Farber

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