Method of manufacture of tires and apparatus therefore

Details Method of manufacture of tires and apparatus therefore Method of manufacture of tires and apparatus therefore

1988-05-25

1990-05-01

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

156129, 264259, 264266, 264315, 264326, 264501, 425 46, B29C 3504, B29C 3104, B29D 3066

Patent

active

049216732

ABSTRACT:
A method of manufacture of pneumatic tires having a tread T with grooves therein in which the grooves are formed by use of cylindrical network grid 10. The grid 10 is filled with tread compound T, and is then located concentrically to surround a tire carcass assembly C to assemble the carcass to the tread. Other tire components such as sidewalls S are added to the carcass C with the grid in situ, and the assembled tire is then cured with grid in situ, the grid being subsequently stripped from the finished tire. Apparatus for above method include a tread mould body (23) having an inner mould surface (24) in which the closely fitting cylindrical network grid (10) is located. The grid (10) is separate from the mould body (23) and has at least one axial split therein to allow removal of the grid (10) from the finished tire.

REFERENCES:
patent: 1209607 (1916-12-01), Michelin
patent: 1346232 (1920-07-01), Midgley
patent: 2990874 (1961-07-01), Hawkinson
patent: 4053265 (1977-10-01), Wulker et al.
patent: 4553918 (1985-11-01), Yoda et al.

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