B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/187
B29D 30/48 (2006.01) B29D 30/50 (2006.01) B65H 81/04 (2006.01)
Patent
CA 2028480
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.
Bridgestone/firestone Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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