Device for manufacturing an automotive tire bead

Details Device for manufacturing an automotive tire bead Device for manufacturing an automotive tire bead

1990-12-07

1992-03-31

Larson, Lowell A.

Wireworking

Article making or forming

Rings

245 15, 140101, B21F 3700

Patent

active

050998935

ABSTRACT:
A device (1) for manufacturing a tire bead (2) consisting of an annular element (3) formed from a metal wire (4) wound in such a manner as to form a number of coils packed by a flexible packing member (6) wound about the annular element (3) and having its opposite ends (7) tied in a knot (8). An annular mandrel (9) on the device (1) defines a first annular duct (38) for forming the annular element (3), and a second duct (39) coiled about the first duct (38). The mandrel (9) is connected to a pneumatic knotting machine (10) having an input duct (62) and an output duct (63) defining the two halves of a flat knot (64) and communicating respectively with the inlet (46) and outlet (47) of the second duct (39).

REFERENCES:
patent: 1864216 (1932-06-01), Poyner
patent: 3106952 (1963-10-01), Rudder

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