Abrasive article

Details Abrasive article Abrasive article

1975-06-26

1977-01-11

Smith, Al Lawrence

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51298A, B24D 702

Patent

active

040019810

ABSTRACT:
An abrasive article such as a cup-shaped grinding wheel is provided, said grinding wheel having a cup-shaped support member of a cross-section providing an annular support surface to which is secured an annular abrasive member consisting of an annular polyimide resin-bonded diamond abrasive member and an annular back-up member of abradable porous polyimide secured to the inside surface of the annular polyimide bonded diamond abrasive member; the porous polyimide back-up member wears away in use and therefore obviates the need for dressing the grinding wheel.

REFERENCES:
patent: 2734812 (1956-02-01), Robie
patent: 3117400 (1964-01-01), Martin
patent: 3179631 (1965-04-01), Endrey
patent: 3261811 (1966-07-01), Tatum
patent: 3329488 (1967-07-01), Cofran
patent: 3377411 (1968-04-01), Charvat
patent: 3383191 (1968-05-01), Thomas
patent: 3385684 (1968-05-01), Voter
patent: 3523773 (1970-08-01), Sears
patent: 3718447 (1973-02-01), Hibbs
patent: 3883452 (1975-05-01), Scheverlein et al.

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