Sheave and method of providing same

Details Sheave and method of providing same Sheave and method of providing same

1979-11-01

1981-10-06

Larson, Lowell A.

Metal working

Method of mechanical manufacture

Repairing

2940206, 2940218, 29159R, 264 36, 264162, 474177, B23P 600, B23P 604, B29D 1500

Patent

active

042927234

ABSTRACT:
A metal sheave is turned on a lathe to remove worn flange and groove portions to provide three roughened cylindrical surfaces of progressively greater diameter about which a peripheral rim body of polyurethane is cast in an encircling mold and permitted to cure; the sheave is then turned on a lathe to shape the polyurethane to provide peripheral flanges and a groove therebetween.

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patent: 3815201 (1974-06-01), Conrad
patent: 3907624 (1975-09-01), Gravely
patent: 4095637 (1978-06-01), Krishnan

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