B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
18/133
B29D 30/54 (2006.01) B29D 30/56 (2006.01)
Patent
CA 1264515
ABSTRACT This invention is directed to the retreading of steel belted radial tires by removing and replacing more than the protector ply. Initially, the tire is inspected to determine if it is retreadable. The tire is then buffed so that the protector ply will be located and re- moved. The first working belt is then located and re- moved. A steel belt incapulated in uncured rubber will be placed on the tire. Then wedge stock will be applied, isolating the replacement belt. A second replacement belt will be applied for the protector ply with the steel cords going in the opposite direction Or the first replacement belt applied. Precured tread rubber will be applied to the casing surface in the usual manner. The assembly is then covered by an envelope and a metal curing band will be applied to the outer surface. The assembly will then be mounted on curing rims and cured in commercially available equipment.
500744
Graves Thomas Wayne
Lacy Floyd Andrew
Schnedler Gary Wayne
Sorenson Billy Lee
Bandag Licensing Corporation
Gowling Lafleur Henderson Llp
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