US4145954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container cleaning apparatus
Assignee: ZEEVENHOOVEN BV
•
Filing: 1976-04-21
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Granted: 1979-03-27
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Expires: 1996-04-21
Abstract
Abstract A method and apparatus for cleaning hollow bodies, in particular removing scale, incrustations and suchlike deposits from the inner wall of a vessel or a tube. The deposits are removed by a milling or boring operation.
Inventors
- 👤 Petrus J. Schilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:49
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/02; B23C; B23C3/00; B23C3/02; B23C3/04; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304424; Y10T409/306664; Y10T409/306776; Y10T409/30756
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
102 words
An apparatus for cleaning a cylindrical hollow casting ladle or similar container comprising means for rotating the container about the axis thereof, a rotatable cutter head transversally adjustable with respect to the container, said cutter head having an end face and a cylindrical body of a diameter smaller than the diameter of the container, but greater than the radius of the container, said cutter head including a number of teeth on said face and on the cylindrical body thereof, and means for performing a relative axial movement between the container and said cutter head to introduce said cutter head into said container.
Claim 2
Independent Claim
102 words
An apparatus for cleaning a cylindrical hollow casting ladle or similar container comprising means for rotating the container about the axis thereof, a rotatable cutter head transversally adjustable with respect to the container, said cutter head having an end face and a cylindrical body of a diameter smaller than the diameter of the container, but greater than the radius of the container, said cutter head including a number of teeth on said face and on the cylindrical body thereof, and means for performing a relative axial movement between the container and said cutter head to introduce said cutter head into said container.
Claim 3
Dependent Claim
23 words
The apparatus of claim 1, wherein the teeth on the end face of the cutter head lie within the periphery of said body.
References Cited (Backward Citations)
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Cited
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US2911662A
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US3543635A
Cited
US3647265A
Cited
US3847439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-26 | 1982-09-25 | 1983-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-26 | 1986-09-25 | 1987-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-26 | 1990-09-25 | 1991-03-27 | $7700.00 | Window Closed / Lapsed |