Plastic article or earthenware shaping or treating: apparatus – Press forming means – press reshaping means – or vulcanizing... – Expansible roll type
Patent
1998-02-24
2000-06-20
Davis, Robert
Plastic article or earthenware shaping or treating: apparatus
Press forming means, press reshaping means, or vulcanizing...
Expansible roll type
425363, 100162B, 100170, 492 47, 492 7, B29C 4324
Patent
active
060770651
ABSTRACT:
In a process and apparatus for producing long plastic sheets by pressing molten plastic materials between the forming roller and the forming drum unit, the forming drum unit comprising a thin cylindrical sleeve supported from inside by a drum support unit and pressed against the outer surface of the forming roller to deform elastically in a curve along the outer surface of the forming roller as it rotates, thus maintaining a relatively long contact length.
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Sumiyoshi Koji
Ueba Keiichi
Chiba Machine Industry Corporation
Davis Robert
Nguyen Thukhanh T.
Nissim Stuart H.
Woodbridge Richard C.
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