Tire building drum with innerstitching device
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United States of America Patent
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-
May 18, 1993
Grant Date -
N/A
app pub date -
Feb 6, 1992
filing date -
Mar 26, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tire building device wherein a unistage drum (6) includes an inner shaft (7) having an intermediate portion fitted with an innerstitching device (11), and two end portions located on opposite sides of the innerstitching device (11) and supporting two half drums (12,13) connected to the inner shaft (7) via the interposition of respective slides (18), each of which is connected, in one instance, in a sliding and angularly fixed manner to the inner shaft (7), and, in another, in a rotary manner to the respective half drum (12)(13) which may be locked in relation to the respective slide (18) by means of a friction coupling (53).
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