Plastic article or earthenware shaping or treating: apparatus – Press forming means – press reshaping means – or vulcanizing... – Means corrugating a preform
Patent
1974-04-08
1976-08-10
Spicer, Jr., Robert L.
Plastic article or earthenware shaping or treating: apparatus
Press forming means, press reshaping means, or vulcanizing...
Means corrugating a preform
425373, 425383, 425396, 156138, 156206, 264286, B29C 300, B29C 1500
Patent
active
039738949
ABSTRACT:
A method of and apparatus for making toothed belts of rubber or rubber-like elastic synthetic materials with an enveloping fabric covering, the belt teeth, according to which an enveloping fabric strip is folded into successive folds corresponding to the belt teeth to be formed, and the cavities defining folded portions on the inside of said fabric strip are filled with elastomeric material of the type of which the belt teeth are to be made, whereupon layers of elastomeric material and straight members making up the remainder of the belt to be made are placed upon each other to build up the belt, whereafter the thus obtained assembly is vulcanized.
REFERENCES:
patent: 2328909 (1943-09-01), Kilborn
patent: 2494642 (1950-01-01), Case et al.
patent: 2782461 (1957-02-01), Eisslinger
patent: 3165783 (1965-01-01), Martelli
patent: 3508992 (1970-04-01), Chavannes
Bagowski Dieter
Kilian Werner
Lindner Ulrich
Speichert Hugo
Stritzke Walter
Becker Walter
Continental Gummi-Werke Aktiengesellschaft
Spicer, Jr. Robert L.
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