Plastic article or earthenware shaping or treating: apparatus – Female mold and charger to supply fluent stock under... – Plural mold cavities
Patent
1978-07-17
1981-07-07
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
Female mold and charger to supply fluent stock under...
Plural mold cavities
425542, 425577, B29F 100, B29C 600, B29H 502
Patent
active
042772338
ABSTRACT:
An apparatus for molding tires comprises a first turntable on which a plurality of mold carriers are mounted circumferentially spaced from each other and each removably carrying a split core configurated to define the inner surface of a tire to be molded and a plurality of outer mold parts arranged about the core and configurated in accordance with the outer surface of the tire, a second turntable adjacent the first turntable and provided on its upper surface with a plurality of first depositing stations equal in number to that of the plurality of mold carriers of the first turntable for respectively receiving the cores and a plurality of second depositing stations equal in number to said first plurality of depositing stations for respectively receiving finished tires. The two turntables are turnable stepwise and synchronously, preferably in opposite directions, about vertical axes. The apparatus includes further a first carriage for transferring cores with the finished tires thereon from the first to the second turntable and a second carriage for transferring cores separated from the finished tire from the second turntable to the mold carriers on the first turntable.
REFERENCES:
patent: 1900456 (1933-03-01), Mead
patent: 1931638 (1933-10-01), Abbott
patent: 2710425 (1955-06-01), Rhodes
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patent: 3054141 (1962-09-01), Hammesfahr
patent: 3477100 (1969-11-01), Peck et al.
patent: 3988077 (1976-10-01), Narator st al.
patent: 4124345 (1978-11-01), Grunner
patent: 4197068 (1980-04-01), Pizzorno
Flint, Jr. J. Howard
Striker Michael J.
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