Method and apparatus for tire tread analysis

Details Method and apparatus for tire tread analysis Method and apparatus for tire tread analysis

1976-06-21

1978-06-20

Yasich, Daniel M.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

356212, 358101, 358106, B60C 1100, G01M 1702

Patent

active

040954641

ABSTRACT:
Static and/or dynamic surface contact areas created by tire tread patterns are automatically analyzed by obtaining a high contrast black and white photographic image of the contact area made by the tread pattern. The photographic image is illuminated and the luminous energy emitted is optoelectronically converted to an electrical signal indicative of the tread contact area. The electrical signal is compared to an electrical reference signal that is established as a control contact area to provide an indication of the difference between the tread pattern contact area and the reference control contact area.
The foregoing abstract is not to be taken as limiting the invention of this application, and in order to understand the full nature and extent of the technical disclosure of this application, reference must be made to the accompanying drawing and the following detailed description.

REFERENCES:
patent: 2096615 (1937-10-01), MacDonald et al.
patent: 3174414 (1965-03-01), Myer
patent: 3755659 (1973-08-01), Bolhuis
patent: 3856410 (1974-12-01), Swift et al.
patent: 3894437 (1975-07-01), Hagy et al.
Publ.-"An Apparatus for Determining . . . Footprint Area of Tires" by Pizer/Spinner, (2/1970) Materials Research & Standards, vol. 10, No. 2, pp. 20-23, 63.
Publ.-"Non-Destructive Tire Analysis" by R. F. Wolf, Rubber Age 4/1970, pp. 58-64.

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