US3410124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shot blasting process
Assignee: Fuji Seiki Machine Works Ltd
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Filing: 1966-08-05
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Granted: 1968-11-12
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Expires: 1986-08-05
Abstract
No abstract record available.
Inventors
- 👤 Suwa Makoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:04
CPC Classifications
C; C21; C21D; C21D7/00; C21D7/02; C21D7/04; C21D7/06; B; B24; B24C; B24C1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR SURFACE TREATMENT OF RELATIVELY SOFT NONFERROUS METAL PIECES COMPRISING PEENING TO A HIGH LUSTER SATIN MAT FINISH WITHOUT SUBSTANTIAL SURFACE DEFORMATION OR SURFACE STRESS FORMATION BY SUBJECTING THE METAL PIECES TO A BLASTING STREAM COMPRISING A CARRYING FLUID CHARGED WITH ROUND-EDGED, SHOT-LIKE ELASTIC SYNTHETIC RESIN PARTICLES OF ABOUT 20-80 TYLER MESH SIZE HAVING NO THERMAL SOFTENING POINT BELOW ABOUT 200 DEGREES FAHRENHEIT AND A HARDNESS OF ABOUT BETWEEN 75 AND 125 ROCKWELL M.
Claim 2
Dependent Claim
76 words
A PROCESS FOR SURFACE TREATMENT OF RELATIVELY SOFT NONFERROUS METAL PIECES COMPRISING PEENING TO A HIGH LUSTER SATIN MAT FINISH WITHOUT SUBSTANTIAL SURFACE DEFORMATION OR SURFACE STRESS FORMATION BY SUBJECTING THE METAL PIECES TO A BLASTING STREAM COMPRISING A CARRYING FLUID CHARGED WITH ROUND-EDGED, SHOT-LIKE ELASTIC SYNTHETIC RESIN PARTICLES OF ABOUT 20-80 TYLER MESH SIZE HAVING NO THERMAL SOFTENING POINT BELOW ABOUT 200 DEGREES FAHRENHEIT AND A HARDNESS OF ABOUT BETWEEN 75 AND 125 ROCKWELL M.
References Cited (Backward Citations)
US108408A
Cited
US3019522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |