Method of molding tires

Details Method of molding tires Method of molding tires

1982-03-19

1983-03-29

Flint, Jr., J. Howard

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

425577, B29F 100, B29H 506, B29H 308, B29H 518

Patent

active

043783279

ABSTRACT:
A tire (10) produced via a molding or casting process in a manner such that each of its bead areas (16) includes an annular slot (42) whereby the slots permit the insertion of an inextensible annular reinforcement element (40) into each of the bead area slots (42) after the molding or casting process. Slots (42) are preferably produced by the addition of annular collars (64) to either the outer member (50) or core member (60) of an improved molding or casting die (48). The improved molding or casting process includes a step of forming a circumferential slot (42) in each tire bead area (16), with these slots (42) permitting the addition of an inextensible annular reinforcement element (40) into each bead area (16) after the molding or casting process.

REFERENCES:
patent: 2825383 (1958-03-01), Spelman
patent: 4286942 (1981-09-01), Fuzioka et al.

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