Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1992-12-14
1994-05-03
Lavinder, Jack
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51312, 51319, B24C 104
Patent
active
053075943
ABSTRACT:
The method of this invention eliminates the problems discussed above. First a resilient mask 12 is placed on the implant 10. The mask 12 includes openings 14 which form the design of the textured surface. Next the implant 10 with mask 12 attached is subjected to high pressure blasting with a erosive blasting media. Typically, this may be referred to as media blasting. Particles contacting the resilient mask 12 are bounced off or embedded in the masking material while protecting the implant. Particles passing through the openings 14 of the mask 12 contact the surface of the implant 10. Blasting is continued until a proper surface is achieved. After blasting, the mask 12 is removed. Portions of the implant 10 which were exposed are blasted away or textured, portions protected by the mask 12 are unaffected.
REFERENCES:
patent: 3328925 (1967-07-01), Hewitt
patent: 4470226 (1984-09-01), Williams
patent: 4612737 (1986-09-01), Adee et al.
patent: 4801490 (1989-01-01), Schuette
patent: 4865603 (1989-09-01), Noiles
patent: 5057108 (1991-10-01), Shetty et al.
Dawson Todd A.
Lavinder Jack
Zimmer Inc.
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