Second stage tire building drum and method for the operation thereof
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United States of America Patent
Stats
-
May 26, 1981
Grant Date -
N/A
app pub date -
Dec 18, 1978
filing date -
Dec 18, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A second stage building drum assembly (10) mounted on a rotatable drive shaft (15) for the application of belts and the like to a carcass includes a drum (12) rotatably carried by the drive shaft (15) for mounting a carcass (143) and first and second belt guide ply rings (13 and 14) reciprocably movable with respect to the drum. Further provided are means (30) for reciprocably moving one side (32) of the drum (12) with respect to the other (33) and, means (22, 23 and 96) for moving the first and second belt guide ply rings into engagement with the drum (12) for the application of at least one belt (154) to a carcass (143) mounted thereon. A method is also provided for the operation of the assembly and includes the steps of mounting a carcass (143) on the rotatable building drum (12), moving one side (32) of the drum (12) toward the other side (33), inflating the carcass (143), actuating bead centering clamps (91 and 135), and moving the first and second belt guide ply rings (13 and 14) into engagement with the drum (12) for the application of a belt (154) to the carcass (143) carried thereon.
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Cited Art Landscape
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