Method and device for classifying tires

Details Method and device for classifying tires Method and device for classifying tires

1973-12-26

1976-02-17

Lawrence, James W.

Radiant energy

Invisible radiant energy responsive electric signalling

With means to inspect passive solid objects

G01t 116

Patent

active

039393496

ABSTRACT:
During the process of manufacturing tires, vulcanized tires are classified by the utilization of radiations into the white tire having a white rubber compound layer, or a white ribbon, and the black tire having no such white ribbon, while those tires are classified according to the external dimensions such as an inside diameter. More specifically, a radiation source provided on the side of one wallside of a tire emits radiations to the tire at a predetermined angle of inclination, while a radiation detector provided on the side of the other wallside of the tire detects the intensity of radiations which have passed through the tire, whereby the classification of tires is carried out according to the comparison of two outputs which the radiation detector produces at two predetermined relative positions of the tire and the radiation source.

REFERENCES:
patent: 2301251 (1942-11-01), Capen
patent: 3789226 (1974-01-01), Green et al.

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