Machine for molding and curing a mass of resilient material

Details Machine for molding and curing a mass of resilient material Machine for molding and curing a mass of resilient material

1983-11-04

1985-06-25

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

Female mold type means

425 37, 425812, 425577, 425405R, 425457, 425469, 249184, B29H 502, B29C 500

Patent

active

045251320

ABSTRACT:
A machine for molding and curing a mass of resilient material into a desired shape in one operation and, if desired, bonding the resilient material to another material in the same operation; generally in the class of molded rubber or rubber-like goods and particularly in the class of self-cooling airless wheels for vehicles, which wheels contain holes that taper inwardly from the periphery of the tire to and/or through the rim. The machine is characterized by fin compressor boxes that impel fins into a mold cavity to cause a compressive reaction on resilient material therein, thereby expelling excess air from the mold through escape holes. An air passage may penetrate the fins for air or water to be circulated therethrough to aid in heating, cooling and/or curing the product. Withdrawal of fins from mold cavity permits easy removal of cured product.

REFERENCES:
patent: 1394589 (1921-10-01), Swinehart
patent: 1733064 (1929-10-01), Lambert
patent: 1778071 (1930-10-01), Fleiter
patent: 1919374 (1933-07-01), Leguillon
patent: 2745459 (1956-05-01), Pennock
patent: 3096541 (1963-07-01), Sindelar
patent: 3124842 (1964-03-01), Moormann
patent: 3170188 (1965-02-01), Gollings
patent: 3667882 (1972-06-01), Ross
patent: 3734566 (1973-05-01), Hanley
patent: 4095637 (1978-06-01), Krishnan
patent: 4201744 (1980-05-01), Makinson
patent: 4420297 (1983-12-01), Remon

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