Plastic article or earthenware shaping or treating: apparatus – Including means advancing continuous length work through...
Patent
1990-12-04
1992-08-18
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Including means advancing continuous length work through...
264178R, 425182, 4253261, 425388, B29C 4790
Patent
active
051394022
ABSTRACT:
The invention relates to a calibrating device for extruded plastics sections, having a number of calibrating units 5 to 7 disposed successively in the drawing-off direction. The calibrating units 5 to 7 are mounted on a guide 1, 2 floatably in the plane normal of the drawing-off direction and disposed on the guide 1, 2, securably in the drawing-off direction. A calibrating device of the kind specified ensures that the precise positioning of the successively disposed calibrating units 5 to 7 is superfluous. Since therefore the section passes the individual calibrating units without lateral deflection or jamming, the individual calibrating unit can be designed with close dimensional tolerances, utilizing the loadability of the section, without introducing an excessive shrinkage into the section.
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Davis Robert B.
Friedrich Theysohn GmbH
Woo Jay H.
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