Apparatus for the manufacture of pneumatic tires

Plastic article or earthenware shaping or treating: apparatus – Product or preform repair or restoring means – Tire recapping – rebeading or sidewall replacing means

Patent

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Details

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.

REFERENCES:
patent: 497464 (1893-05-01), Welch
patent: 2586300 (1952-02-01), Campbell
patent: 3167818 (1965-02-01), Ross
patent: 3316596 (1967-05-01), Robertson
patent: 3425093 (1969-02-01), Ansette
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.

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