Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1979-12-10
1981-10-20
Wityshyn, Michael G.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
100 93P, 100196, 156253, 156273, 156288, 219 1053, 219 1081, 156290, 156553, 156554, 1563805, 156510, 156515, 156518, B29C 2704, B32B 3118, B32B 3120
Patent
active
042959080
ABSTRACT:
Radio frequency heat sealing method and apparatus for simultaneously fabricating a plurality of separate items from separate sets of continuous plastic strips or sheets as these sets are indexed in unison past a heat sealing station. The technique utilizes a platen equipped with heat fusing and tear sealing dies on its opposite faces and which platen is located between separate sets of plastic strips and a pair of cooperating platens. The die equipped intermediate platen is preferably cooled to permit rapid cycling and indexing of the sets of stripping therepast.
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Langer Alfred
Schaefer Hans G.
Manhattan R. F. Die Company
Wityshyn Michael G.
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