Method for monitoring application of tread stock to a tire carca

Details Method for monitoring application of tread stock to a tire carca Method for monitoring application of tread stock to a tire carca

1988-09-07

1990-02-13

Hoch, Raymond

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 64, B29D 3058

Patent

active

049003828

ABSTRACT:
A method is provided for monitoring proper application of a length of tread stock to the periphery of a green tire carcass. The tread stock has an outer face with a centering mark defined along the length of the outer face. The stock is affixed to the green tire carcass in a supposed centered position to form an assembled green tire, and the assembled green tire is supported for rotation. A wheel having a pair of annular ridges or grooves on its peripheral surface is positioned in contact with the green tire, and the green tire and wheel are mutually counterrotated. The ridges or grooves are positioned on the wheel spaced equidistantly from the centerline of the green tire, so that counterrotation of the green tire and wheel cause the ridges or grooves to impress alignment marks into the tread stock on each side of the central groove. The spacing between the alignment and centering marks provides a qualitative and quantitative appraisal of the positioning of the tread stock on the green tire carcass, and when such alignment variations exceed specifications, the variation is readily ascertainable and the subject green tire may be rejected.

REFERENCES:
patent: 3923390 (1975-12-01), Susko
patent: 3944458 (1976-03-01), Branick
patent: 4106965 (1978-08-01), Lee
patent: 4276105 (1981-06-01), Gessaga
patent: 4402782 (1983-09-01), Klose et al.

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