Process and apparatus for the manufacture of an automotive tire bead
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United States of America Patent
Stats
-
Mar 31, 1992
Grant Date -
N/A
app pub date -
Dec 7, 1990
filing date -
Dec 22, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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