Plastic article or earthenware shaping or treating: apparatus – Shaping or casting surface – Endless shaping surface
Patent
1977-05-12
1978-06-27
Spicer, Jr., Robert L.
Plastic article or earthenware shaping or treating: apparatus
Shaping or casting surface
Endless shaping surface
425237, B29C 100, B29C 302
Patent
active
040972151
ABSTRACT:
A briquetting press roll comprising a cylindrical core having a regular polygonal cross-section and a plurality of equal planar sections around its peripheral surface, each planar section having at least one transverse groove. Secured end-to-end around the peripheral surface of the core are a plurality of removable mold segments, each having a flat bottom surface coterminous with one of the planar sections and an arcuate top working surface, forming a right circular cylinder. The flat bottom surface of each mold segment has at least one transverse groove substantially complementing the transverse groove in the coterminous planar section to form a keyway. Devices for securing the segments to the core and for utilizing the keyways to align and prevent movement of the segments relative to the core peripheral surface are provided.
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K. R. Komarek Inc.
Spicer, Jr. Robert L.
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