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Title: Solid abrading tool with fiber abrasive



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Claims: I claim:

1. A superindurate composite cutting and abrading material for application to very hard substances, comprising in combination:

a. a matrix material having the characteristics of toughness and a uniform wearability less than the abrading elements embedded therein:

b. a plurality of superindurate filaments having a hardness on the Mohs' scale of 9.3 to 9.6 aligned substantially normal to a work surface defined by said matrix and collocated within said matrix the ends of substantially the major portion of said filaments exposed on said surface to define a cutting edge of abrading surface upon said composite, the remainder of the length of said filaments embedded in said matrix.

2. A boron composite tool comprising:

a supporting body,

a cutting edge at the outer portion of said body, and

said cutting edge comprising a boron filament composite.

3. The boron composite cutting tool as set forth in claim 2 wherein:

said supporting body comprises a mandrel of fiberglass.

4. The boron composite cutting tool as set forth in claim 2 wherein:

said supporting body comprises a boron filament fiberglass matrix composite.

Other info:


Inventors: Zoiss, Melvin Howard (Oaklawn, IL, US)

Application Number: 868976
Filing Date: 1969-10-16
Publication_date: 1976-08-03
Assignee: Barnes Drill Co. (Rockford, IL)
Primary Class(es): 451/541 51/297, 51/298, 51/309, 407/32, 407/45, 407/119
Other Classes:
US Patent Ref:
1913373Jun, 1933Golyer29/95.
2189340Feb, 1940Donal264/24.
2232389Feb, 1941Turkat51/299.
2419136Apr, 1947Hasty51/338.
2648084Aug, 1953Swart15/DIG.
2826016Mar, 1958Hurst51/206.
2973539Mar, 1961Buehrle15/179.
3256644Jun, 1966Kistler51/206.
3372220Mar, 1968Stingley15/179.
3440907Apr, 1969Wrench76/24.
3495960Feb, 1970Schladitz51/309.
3619152Nov, 1971Falof51/309.

Other Refs: 500,8522,009
Feb, 1939UK
Jan, 1907UK

Primary Examiner: Whitehead, Harold D.
Assistant Examiner:
Attorney: Leydig, Voit, Osann, Mayer & Holt, Ltd.