Title: Coated abrasive disc

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Claims: I claim:

1. An abrasive coated disc comprising:

a. a fibrous disc-shaped base sheet or substrate having a peripheral edge and including a surface having thereon

b. a geometrically arranged pattern of spaced adhesively coated areas;

c. a coating of finely divided abrasive material over each of the said adhesively coated areas;

d. uncoated scavenging channels between the said adhesively coated and abrasive coated areas extending across the said fibrous disc-shaped base sheet or substrate between the said adhesively coated and abrasive coated areas and opening outwardly onto the said peripheral edge of the said abrasive coated disc for the discharge of the scarfings formed by the said abrasive coated disc during engagement thereof with a metal or like surface in use; and

e. the said scavenging channels being in the form of embossed channels formed in the said fibrous disc-shaped base sheet or substrate.

2. An abrasive coated disc as defined in claim 1 in which

a. the said scavenging channels are arranged in generally parallel intersecting rows; and in which

b. the said geometrically arranged pattern of spaced adhesively coated areas and the coating of finely divided abrasive material over each of the said adhesively coated areas is in the form of generally parallel rows of geometrically patterned areas separated by the said scavenging channels.

3. An abrasive coated disc as defined in claim 2 in which

a. the said fibrous disc-shaped base or substrate has (1) an upper surface; and in which

b. the said embossed scavenging channels are in the form of uncoated areas on the said upper surface of the said fibrous disc-shaped base or substrate between the said adhesively and abrasive coated areas.

Other info:

Inventors: Maran, Armand C. (Deerfield, IL, US)

Application Number: 594626
Filing Date: 1975-07-10
Publication_date: 1976-11-16
Assignee: Bates Abrasive Products, Inc. (Chicago, IL)
Primary Class(es): 451/529 451/537, 451/539
Other Classes:
US Patent Ref:

2001911	May, 1935	Wooddell	51/397.
2334642	Nov, 1943	Moore	51/397.
2682735	Jul, 1954	Buckner	51/407.
2907146	Oct, 1959	Dyar	51/397.
3324608	Jun, 1967	Hoenig	51/395.
3605349	Sep, 1971	Anthon	51/407.
3609925	Oct, 1971	Comella-Riera	51/402.
3641719	Feb, 1972	Yang	51/402.
3774355	Nov, 1973	Dawson	51/395.

Other Refs:
Primary Examiner: Smith, Al Lawrence
Assistant Examiner: Godici, Nicholas P.
Attorney: Cannon; Charles B.