Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1977-05-31
1978-02-14
Whitby, Edward G.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51 81R, 51283R, 125 20, 156 94, 156256, 156293, 156513, 408 41, B32B 3500
Patent
active
040730948
ABSTRACT:
A system for repairing a crack in a pane of plate glass in which a rotatable shaft extends through the glass and carries cutters on both sides for concurrently cutting an aperture therein from both sides.
REFERENCES:
patent: 3162066 (1964-12-01), Morer et al.
patent: 3494348 (1970-02-01), Linblad
patent: 3568367 (1971-03-01), Meyers
patent: 3813820 (1974-06-01), Highberg et al.
patent: 3851491 (1974-12-01), Walker
patent: 3986913 (1976-10-01), Walz
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