Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Rod or tubular preform
Patent
1997-10-24
1998-11-24
Ryan, Patrick
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Rod or tubular preform
425384, 425470, 156187, 156189, 1565833, B28B 2142
Patent
active
058403477
ABSTRACT:
An apparatus for producing a cylindrical product of a fiber reinforcement-thermoplastic resin composite, which involves disposing a mandrel on a flexible guide sheet which can be formed in the shape of the letter U around the mandrel, heating a fiber reinforcement-thermoplastic resin composite sheet to a temperature not lower than the distortion temperature of the resin and lower than the thermal degradation temperature of the resin of the composite, disposing an end of the heated composite sheet at a line of contact of the mandrel with the flexible guide sheet, then rolling the mandrel on the guide sheet while moving the guide sheet, the guide sheet forming a shape of the letter U around the mandrel being drawn into the concave portion of the letter U, and the composite sheet disposed between the mandrel and the guide sheet being in intimate contact with the mandrel and the guide sheet, to thereby wind the composite sheet on the mandrel, and then recovering a cylindrical product made from the wound composite sheet.
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Tube Rolling by Paul A. Roy Manufacturing Processes : Consumer Products.
Endo Yoshihiro
Muramatsu Teruaki
Ryan Patrick
Schwartz Iurie A.
Toho Rayon Co. Ltd.
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