Method and apparatus for measuring width of a selvage rubber por

Details Method and apparatus for measuring width of a selvage rubber por Method and apparatus for measuring width of a selvage rubber por

1982-01-22

1984-10-09

Rosenberger, R. A.

Optics: measuring and testing

By configuration comparison

With photosensitive film or plate

250560, 356429, G01B 1104

Patent

active

044758154

ABSTRACT:
A width of a selvage rubber portion extending in transversal direction of a coating sheet used for production of tire in which a plurality of cords arranged in substantially the equal interval and in parallel are integrally coated with rubber so that the cord portions are expanded, from the most externally positioned cord portion in said coating sheet, is precisely measured by transferring said coating sheet on a surface of a transferring member having a reflecting property different from that of the above described coating sheet in the longitudinal direction of said cord, emitting a light on a zone including at least the above described transferring member and the most externally positioned cord portion and detecting the light intensity distribution of the light reflected by the above described zone.

REFERENCES:
patent: T861053 (1969-04-01), Buckson
patent: 3588513 (1971-06-01), Akamatsu et al.
patent: 4308461 (1981-12-01), Tuomaala

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