Toothed belt making

Details Toothed belt making Toothed belt making

1976-11-19

1978-01-03

Kucia, Richard R.

Plastic and nonmetallic article shaping or treating: processes

Prestressing solid body and uniting in stressed condition

156138, 156139, 156140, 264230, 264250, 264275, B29D 2900

Patent

active

040667324

ABSTRACT:
A method of making toothed power transmission belting having preferably an elastomer-free sprocket-engaging toothed surface is described. A temperature sensitive tackifier is applied to a toothed mold surface and the belt face cover is stitched to the tacky surface, and then preferably further immobilized by winding tensile cord circumferentially about the mold. Elastomeric material is introduced into the tooth and body portions of the belt and the belting is cured. The temperature is elevated at some point during the process, whereby the tackifier loses its adherence to the mold, permitting easy demolding of the product.

REFERENCES:
patent: 3138962 (1964-06-01), Haines
patent: 3418186 (1968-12-01), Wetzel
patent: 3580767 (1971-05-01), Barnes
patent: 3897291 (1975-07-01), Hoback
patent: 3964328 (1976-06-01), Redmond

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