Plastic article or earthenware shaping or treating: apparatus – Reshaping – resizing or vulcanizing means for tire – tire... – Toroidal or annular female shaping means and coacting means...
Patent
1975-06-23
1976-07-13
Flint, Jr., J. Howard
Plastic article or earthenware shaping or treating: apparatus
Reshaping, resizing or vulcanizing means for tire, tire...
Toroidal or annular female shaping means and coacting means...
425 46, 425 35, B29B 502
Patent
active
039690504
ABSTRACT:
The invention is concerned with a curing apparatus for tube-tires. The apparatus includes a restrainer ring fittable about the outer circumference of a tube-tire and a mold comprising a pair of vertically disposed opposing mold members defining a cavity therebetween adapted to mateably hold the tire with the ring thereabout along with means extendible from the mold members for supportingly engaging the ring. Also part of the apparatus are means for moving at least one of the mold members towards and away from the other. Means are also provied communicating with each of the mold members for sealingly abutting against a respective adjacent edge of the restrainer ring along with means for retracting and expanding said abutting means responsive to expansion and contraction of the restrainer ring. Means are further provided within the mold for directing a heated fluid such as hot steam into and out of the tube-tire.
REFERENCES:
patent: 1760944 (1930-06-01), Glynn
patent: 1836850 (1931-12-01), Hudson
patent: 1943947 (1934-01-01), Bungay
patent: 2094511 (1937-09-01), Welch
patent: 2193119 (1940-03-01), Bailey
patent: 2444898 (1948-07-01), Butterfield
patent: 2886851 (1959-05-01), Strickler et al.
patent: 3324506 (1967-06-01), Rifchin
patent: 3645655 (1972-02-01), Benege
Caterpillar Tractor Co.
Flint, Jr. J. Howard
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