Abrading – Rigid tool – Rotary cylinder
Patent
1994-10-21
1997-03-11
Smith, James G.
Abrading
Rigid tool
Rotary cylinder
451913, 144218, 1441341, B23F 2103
Patent
active
056095180
ABSTRACT:
An abrasive grinding wheel (1) is described which has a concavity (8) in the abrasive in which a metal ring (4) is embedded. The metal ring (4) is non-abrasive but is sufficiently hard to resist wear by rubbing against the material being ground. The grinding wheel (1) hence removes material only until the metal ring (4) encounters the summit of the convex shape obtained. The metal ring (4) therefore operates as a stop-rest which automatically prevents superfluous removal of material.
REFERENCES:
patent: 3016661 (1962-01-01), Nielsen
patent: 4606154 (1986-08-01), Herrmann et al.
patent: 4611438 (1986-09-01), Siden
patent: 4977709 (1990-12-01), Siden
patent: 4989375 (1991-02-01), Henmi et al.
Edwards Dona C.
Smith James G.
Vincent S.r.l.
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