Plastic article or earthenware shaping or treating: apparatus – Product or preform repair or restoring means – Tire recapping – rebeading or sidewall replacing means
Patent
1984-02-03
1986-07-01
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Product or preform repair or restoring means
Tire recapping, rebeading or sidewall replacing means
249 65, 249180, 249184, 425 43, 425 51, 425 54, B29H 504
Patent
active
045977283
ABSTRACT:
An apparatus for consolidating an annular ring of uncured elastomeric material in a tread ring mould comprising a set of rigid segments in sliding end-to-end relationship to form a consolidation ring having a first small diameter for insertion of the segments into the elastomeric material in the tread mould and a second larger diameter at which the segments form a smooth, continuous consolidating surface, mechanical means for moving the segments from the first diameter substantially to the second diameter and a fluid pressure inflatable bag means which may be inflated behind the segments to apply consolidation force at the second diameter.
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patent: 497464 (1893-05-01), Welch
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patent: 3167818 (1965-02-01), Ross
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patent: 3999907 (1976-04-01), Pappas
patent: 4116596 (1977-10-01), Pizzorno
patent: 4230511 (1980-10-01), Olsen
patent: 4238180 (1980-12-01), Gordon et al.
patent: 4328053 (1980-08-01), Medlin, Jr.
Apsley Metals Limited
Heitbrink Timothy W.
Woo Jay H.
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