Tire building apparatus
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United States of America Patent
Stats
-
Jun 17, 1986
Grant Date -
N/A
app pub date -
Nov 14, 1983
filing date -
Nov 19, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tire building apparatus comprising: an extruder having an extrusion die comprising a doughnut-shaped die member and an axially elongated die member to provide for consecutively extruding a cylindrical-shaped material downwardly from space between the doughnut-shaped die member and the axially elongated die member; a tire supporting unit for supporting a green tire into which the cylindrical-shaped material is to be inserted; an expanding unit adapted to hold the cylindrical-shaped material from the inside of the green tire and to expand radially and outwardly the cylindrical-shaped material to bond to an inner surface of the green tire; a severing assembly on the tire supporting unit for severing to a predetermined length the cylindrical-shaped material inserted into the green tire; and a drive unit adapted to drive the tire supporting unit to move with respect to the extruder.
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