Method for forming side-wall strip in a tube

Details Method for forming side-wall strip in a tube Method for forming side-wall strip in a tube

1978-04-25

1979-12-04

Hoag, W. E.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Coating or impregnating workpiece before molding or shaping...

118408, 156 82, 156116, 156242, 264 80, 264162, 264246, 264250, 264267, 264310, 427224, 427233, 427236, 427425, B29H 1700, B29C 504, B29C 900

Patent

active

041772334

ABSTRACT:
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.degree. C. to dry the adhesive, bringing the tire temperature to about 100.degree. 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.

REFERENCES:
patent: 1741997 (1929-12-01), Lerch
patent: 2412429 (1946-12-01), Slingluff et al.
patent: 2739352 (1946-03-01), Watson
patent: 2960425 (1960-11-01), Sherman
patent: 3218208 (1965-11-01), Molen
patent: 3424836 (1969-01-01), McKelvey et al.
patent: 3449201 (1969-06-01), Palmquist et al.

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