Process and apparatus for inspecting the geometrical configurati

Details Process and apparatus for inspecting the geometrical configurati Process and apparatus for inspecting the geometrical configurati

1991-11-21

1993-09-21

Harvey, Jack B.

Boots, shoes, and leggings

364561, 364563, 364473, 364552, 73146, 73162, G01B 100, G01M 1300

Patent

active

052474631

ABSTRACT:
An apparatus and a method for inspection of the toothed configuration of an elastomeric tubular sleeve which will later be cut into short lengths to produce toothed driving belts. A tubular sleeve (2) having a toothed inner surface (2a) is operatively mounted around rollers (5, 6) operable in rotation to move the sleeve transversely to the direction of the teeth (3). A reading member (15) movable parallel to the rollers (5, 6) detects, through the repeated reading of the height of the toothed surface (2a) passing under a given read point, the transverse outline of the individual teeth (3), to enable comparison with geometric parameters stored in a processing unit (20). The translation speed of the sleeve (2) is identified by measuring the time necessary to the passage of two characteristic points of two contiguous teeth (3). Assigned to each height value detected by the reading member (15) is a corresponding distance value from one of the characteristic points of the teeth (3).

REFERENCES:
patent: 4777610 (1988-10-01), Barwick et al.
patent: 4852402 (1989-08-01), Bertz
patent: 4987555 (1991-01-01), Twerdochlib
patent: 5060173 (1991-10-01), Tsuji
patent: 5136527 (1992-08-01), Koretz

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