Plastic article or earthenware shaping or treating: apparatus – Press forming means – press reshaping means – or vulcanizing... – Cooperating endless belts
Patent
1988-06-27
1989-10-31
Hoag, Willard
Plastic article or earthenware shaping or treating: apparatus
Press forming means, press reshaping means, or vulcanizing...
Cooperating endless belts
100151, 100121, 156555, 1565835, 4253871, B29C 4348, B29C 4322
Patent
active
048773921
ABSTRACT:
An arrangement for applying a surface pressure to continuously moving workpiece webs, such as laminates, having at least one movable pressing band arranged to be pressed against a workpiece web by a pressure medium, a pressure chamber with a supply side and a discharge side so that the band is movable in a direction from the supply side into the pressure chamber to be heated and softened and then to be cooled and hardened and then it moves further in the movement direction to the discharge side. The arrangement has a sealing frame with a contour defining an enclosed region and is pressure loaded in a direction toward the pressing band. A transverse frame portion located at the discharge side has a smaller width than a transverse frame portion at the supply side.
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patent: 3532050 (1970-10-01), Carlsmith
patent: 3779686 (1973-12-01), Kerttula et al.
patent: 4193342 (1980-03-01), Held
patent: 4541889 (1985-09-01), Held
patent: 4555988 (1985-12-01), Pankoke
patent: 4573404 (1986-03-01), Held
patent: 4714015 (1987-12-01), Stabler
patent: 4755252 (1988-07-01), Held
Akzo NV
Hoag Willard
Striker Michael J.
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