Manufacture of pneumatic tires

Details Manufacture of pneumatic tires Manufacture of pneumatic tires

1986-04-23

1987-11-24

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing toroidal work

156129, 264315, 264326, B29H 504

Patent

active

047088400

ABSTRACT:
A method 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: 3425093 (1969-02-01), Ansette
patent: 3963393 (1986-06-01), Barefoot
patent: 3999907 (1976-04-01), Pappas
patent: 4116596 (1977-10-01), Pizzorno
patent: 4328053 (1980-08-01), Medlin, Jr.

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