发明名称 Method for forming side-wall strip in a tube
摘要 Method for making a tire whose white sidewall portion is created by, selectively, providing a circumferential groove in the molded tire, buffing the surfaces of the groove, placing an adhesive in the groove, heating the tire about 138 DEG C. to dry the adhesive, bringing the tire temperature to about 100 DEG C. and, while rotating the tire with the groove in a substantially horizontal plane, directing a stream of white polyurethane stock into the groove by means of an applicator which is formed to direct the stock in differing volumes into the bottom of the groove and laterally against its corners and sides; the white sidewall strip so formed has the shape of a concave meniscus.
申请公布号 US4177233(A) 申请公布日期 1979.12.04
申请号 US19780899954 申请日期 1978.04.25
申请人 FIRESTONE TIRE & RUBBER CO THE 发明人 ROBERTS, DURWARD T JR
分类号 B29C39/12;B29D30/72;(IPC1-7):B29H17/00;B29C5/04;B29C9/00 主分类号 B29C39/12
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