Plastic article or earthenware shaping or treating: apparatus – Press forming means – press reshaping means – or vulcanizing... – Roll and coacting endless belt press member
Patent
1978-09-29
1980-07-15
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
Press forming means, press reshaping means, or vulcanizing...
Roll and coacting endless belt press member
B29H 300, B29H 722, B29D 2900
Patent
active
042126193
ABSTRACT:
An assembly of apparatus is provided for curing or vulcanizing an elongated elastomeric belt such as a conveyor belt reinforced with a fabric or other strengthening member while preventing the reinforcing member from shifting in the softened belt from its desired position. The assembly has a curing apparatus comprising a rotating curing drum, a device for continuously feeding an uncured ribbon-like belt to the drum and a device for maintaining tension on the belt as it is fed to the curing drum and for preventing lateral drift of the belt.
REFERENCES:
patent: 1956545 (1934-04-01), Schroder et al.
patent: 2082895 (1937-06-01), Knowland
patent: 2142972 (1939-01-01), Bierer
patent: 2328909 (1943-09-01), Kilborn
patent: 2442443 (1948-06-01), Swallow
patent: 2649617 (1953-08-01), Marcy
patent: 2745134 (1956-05-01), Collins
patent: 3594866 (1971-07-01), Skinner et al.
patent: 3700365 (1972-10-01), Spicer et al.
Flint, Jr. J. Howard
Industrie Pirelli S.p.A.
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