Continuous vacuum treating apparatus

Details Continuous vacuum treating apparatus Continuous vacuum treating apparatus

1984-03-27

1985-11-05

Lechert, Jr., Stephen J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

With means applying electromagnetic wave energy or...

118718, 118733, 118 501, 42218604, 42218625, B01J 1908, B01J 1912, B05C 3132

Patent

active

045513104

ABSTRACT:
A continuous vacuum treating apparatus having a vacuum treating chamber for continuously treating the surface of a plastic molding under a vacuum, and at least one auxiliary vacuum chamber disposed at each of the upstream and downstream sides of the vacuum treating chamber. Each auxiliary vacuum treating chamber includes a pair of seal rolls contacting each other, means for effecting seals between the seal rolls and cases over the entire axial lengths of the rolls, and means for effecting seals between both end surfaces and the cases.

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patent: 2844731 (1958-07-01), Plonsky et al.
patent: 2864756 (1958-12-01), Rothacker
patent: 3043715 (1962-07-01), Clough
patent: 3057792 (1962-10-01), Frohlich
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patent: 3661735 (1972-05-01), Drelich
patent: 3944686 (1976-03-01), Froberg
patent: 4028551 (1977-06-01), Thompson
patent: 4346669 (1982-08-01), Hill

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