Process and apparatus for the manufacture of an automotive tire

Details Process and apparatus for the manufacture of an automotive tire Process and apparatus for the manufacture of an automotive tire

1990-12-07

1992-03-31

Larson, Lowell A.

Wireworking

Article making or forming

Rings

245 15, 140 9294, B21F 3700

Patent

active

050998927

ABSTRACT:
A method and apparatus for manufacturing an automotive tire bead (1), whereby an annular element (2) having a substantially circular section and consisting of a coiled metal wire (3) is formed by winding the wire (3) about a mandrel (17) defining a duct (9) coiling about the annular element (2). One end of a flexible packing member (5) of heat-shrinkable material is then inserted inside duct (9), blown along the whole length of the same, cut to size, and the two ends joined to form a loop.

REFERENCES:
patent: 464693 (1891-12-01), Frost
patent: 1763179 (1930-06-01), Pierce

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