US3696565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for deflashing ceramic materials
Assignee: Wheelabrator Corp
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Filing: 1970-12-30
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Granted: 1972-10-10
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Expires: 1990-12-30
Abstract
Abstract This invention is addressed to a new and improved method for deflashing unfired ceramic materials by centrifugal blasting wherein the ceramic materials are subjected to an airless barrage of rubber particles.
Inventors
- 👤 Ronald Claeys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:10
CPC Classifications
B; B24; B24C; B24C1/00; Y; Y10; Y10S; Y10S425/00; Y10S425/806
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
13 words
The method of claim 1 wherein the articles are formed of unfired porcelain.
Claim 2
Dependent Claim
18 words
The method of claim 1 wherein the particles have sizes within the range of 4 to 30 mesh.
Claim 3
Dependent Claim
18 words
The method of claim 1 wherein the airless barrage is created by at least one centrifugal blasting wheel.
Claim 4
Dependent Claim
19 words
The method of claim 4 wherein the wheels have a diameter within the range of 8 to 21 inches.
Claim 5
Independent Claim
20 words
The method of 4 wherein the wheels are driven at a speed within the range of 800 to 3,600 r.p.m.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |