US3348262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling coating depth in a balling drum
Assignee: Allis Chalmers Corp
•
Filing: 1963-11-01
•
Granted: 1967-10-24
•
Expires: 1983-11-01
Abstract
No abstract record available.
Inventors
- 👤 Glenn A Heian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:14
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/12; C; C22; C22B; C22B1/00; C22B1/14; C22B1/24; C22B1/2406
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
IN AN APPARATUS FOR ROLLING PULVERANT MATERIAL INTO BALLS ON AN INTERNAL SURFACE OF A CYLINDRICAL SHELL AND HAVING SAID SURFACE COATED BY A LAYER OF THE PULVERANT MATERIAL, MEANS FOR CONTROLLING COATING DEPTH ON SAID SURFACE, COMPRISING, A PAIR OF ACRAPER BLADES CONNECTED TOGETHER AND DIVERGING FROM EACH OTHER IN A DIRECTION TOWARD SAID COATING ON SAID SURFACE TO DEFINE THEREBETWEEN AN ACUTE ANGULAR SPACE HAVING ITS APEX POINTED AWAY FROM SAID SURFACE, SUPPORT MEANS CONNECTED TO SAID SCRAPER BLADES AND HOLDING SAID BLADES AGAINST SAID LAYER BUT SPACED FROM SAID SURFACE, AND DRIVING MEANS CONNECTED TO SAID SHELL FOR ROTATING SAID SHELL ABOUT A CENTRAL CYLINDRICAL AXIS OF SAID SHELL TO PROVIDE RELATIVE MOVEMENT BETWEEN THE COATED SURFACE AND SCRAPER BLADES TO SCRAPE SOME OF THE COATING OFF OF THE SURFACE.
Claim 2
Dependent Claim
133 words
IN AN APPARATUS FOR ROLLING PULVERANT MATERIAL INTO BALLS ON AN INTERNAL SURFACE OF A CYLINDRICAL SHELL AND HAVING SAID SURFACE COATED BY A LAYER OF THE PULVERANT MATERIAL, MEANS FOR CONTROLLING COATING DEPTH ON SAID SURFACE, COMPRISING, A PAIR OF ACRAPER BLADES CONNECTED TOGETHER AND DIVERGING FROM EACH OTHER IN A DIRECTION TOWARD SAID COATING ON SAID SURFACE TO DEFINE THEREBETWEEN AN ACUTE ANGULAR SPACE HAVING ITS APEX POINTED AWAY FROM SAID SURFACE, SUPPORT MEANS CONNECTED TO SAID SCRAPER BLADES AND HOLDING SAID BLADES AGAINST SAID LAYER BUT SPACED FROM SAID SURFACE, AND DRIVING MEANS CONNECTED TO SAID SHELL FOR ROTATING SAID SHELL ABOUT A CENTRAL CYLINDRICAL AXIS OF SAID SHELL TO PROVIDE RELATIVE MOVEMENT BETWEEN THE COATED SURFACE AND SCRAPER BLADES TO SCRAPE SOME OF THE COATING OFF OF THE SURFACE.
References Cited (Backward Citations)
US232456A
Cited
US1514076A
Cited
US1544370A
Cited
US1911761A
Cited
US2436766A
Cited
US2396089A
Cited
US2843295A
Cited
US3140326A
Cited
US3030657A
Cited
US2920344A
Cited
US3097107A
Cited
US3206528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |