US2991203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for cleaning the interior of a tank
Assignee: Individual
•
Filing: 1958-10-28
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Granted: 1961-07-04
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Expires: 1978-10-28
Abstract
No abstract record available.
Inventors
- 👤 Cornelis In T Veld
- 👤 Johannes In T Veld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:26
CPC Classifications
B; B63; B63B; B63B57/00; B63B57/02; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/0417; B05B3/0444; B05B3/14; B05B3/16; B08; B08B; B08B9/00; B08B9/08; B08B9/093; B08B9/0936
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
158 words
THE METHOD OF CLEANING DEPOSITS FROM THE INTERIOR WALLS OF A TANK OR THE LIKE HAVING TOP, BOTTOM AND SIDE WALLS, WHICH COMPRISES SPRAYING ONTO THE INTERIOR SURFACES OF SAID WALLS A CLEANING LIQUID FORM A PLURALITY OF NOZZLES WITHIN SAID TANK, SAID NOZZLES EXTENDING NORMAL TO A HORIZONTAL AXIS AND BEING SPACED LATERALLY FROM A GIVEN VERTICAL AXIS WHILE ROTATING SAID SET OF NOZZLES ABOUT SAID VERTICAL AXIS AT A UNIFORM RATE AND SIMULTANEOUSLY OSCILLATING SAID NOZZLES ABOUT SAID HORIZONTAL AXIS IN SUCH AN ARC THAT LIQUID FROM CERTAIN OF SAID NOZZLES IMPINGES ON THE TOP AND UPPER SIDE WALLS OF SAID TANK AND LIQUID FROM OTHERS OF SAID NOZZLES IMPINGES ON THE BOTTOM AND LOWER SIDE WALLS OF SAID TANK AND DISCHARGING A LARGER QUANTITY OF SAID LIQUID FROM THE LAST MENTIONED NOZZLES THAN FROM THE FIRST MENTIONED NOZZLES TO COMPENSATE FOR THE GREATER-QUANTITY OF DEPOSIT TO BE REMOVED FROM THE LOWER PORTION OF SAID WALLS.
Claim 2
Independent Claim
158 words
THE METHOD OF CLEANING DEPOSITS FROM THE INTERIOR WALLS OF A TANK OR THE LIKE HAVING TOP, BOTTOM AND SIDE WALLS, WHICH COMPRISES SPRAYING ONTO THE INTERIOR SURFACES OF SAID WALLS A CLEANING LIQUID FORM A PLURALITY OF NOZZLES WITHIN SAID TANK, SAID NOZZLES EXTENDING NORMAL TO A HORIZONTAL AXIS AND BEING SPACED LATERALLY FROM A GIVEN VERTICAL AXIS WHILE ROTATING SAID SET OF NOZZLES ABOUT SAID VERTICAL AXIS AT A UNIFORM RATE AND SIMULTANEOUSLY OSCILLATING SAID NOZZLES ABOUT SAID HORIZONTAL AXIS IN SUCH AN ARC THAT LIQUID FROM CERTAIN OF SAID NOZZLES IMPINGES ON THE TOP AND UPPER SIDE WALLS OF SAID TANK AND LIQUID FROM OTHERS OF SAID NOZZLES IMPINGES ON THE BOTTOM AND LOWER SIDE WALLS OF SAID TANK AND DISCHARGING A LARGER QUANTITY OF SAID LIQUID FROM THE LAST MENTIONED NOZZLES THAN FROM THE FIRST MENTIONED NOZZLES TO COMPENSATE FOR THE GREATER-QUANTITY OF DEPOSIT TO BE REMOVED FROM THE LOWER PORTION OF SAID WALLS.
Claim 3
Dependent Claim
153 words
APPARATUS FOR CLEANING DEPOSITS FROM THE INTERIOR SURFACES OF A TANK OR THE LIKE HAVING TOP, BOTTOM AND SIDE WALLS, COMPRISING A CASING TO BE DISPOSED WITHIN SAID TANK AND MOUNTED TO ROTATE ABOUT A VERTICAL AXIS, A PLURALITY OF SETS OF NOZZLES MOUNTED ON SAID CASING TO BE OSCILLATED ABOUT HORIZONTAL AXES, SAID NOZZLES EXTENDING NORMAL TO SAID HORIZONTAL AXES AND BEING DISPLACED FROM SAID VERTICAL AXIS, MEANS FOR OSCILLATING CERTAIN NOZZLES OF EACH SET IN AN ARC ADAPTED TO CAUSE THE LIQUID THEREFROM TO CONTACT THE TOP AND UPPER SIDE WALLS ONLY OF SAID TANK AND MEANS FOR OSCILLATING OTHER NOZZLES OF EACH SET IN AN ARC ADAPTED TO CAUSE THE LIQUID THEREFROM TO CONTACT THE BOTTOM AND LOWER SIDE WALLS ONLY OF SAID TANK, AND MEANS SIMULTANEOUSLY ROTATING SAID CASING ABOUT SAID VERTICAL AXIS FOR THEREBY CAUSING SAID LIQUID TO CONTACT SAID WALLS AROUND THE ENTIRE PERIPHERY OF SAID TANK.
Claim 4
Dependent Claim
153 words
APPARATUS FOR CLEANING DEPOSITS FROM THE INTERIOR SURFACES OF A TANK OR THE LIKE HAVING TOP, BOTTOM AND SIDE WALLS, COMPRISING A CASING TO BE DISPOSED WITHIN SAID TANK AND MOUNTED TO ROTATE ABOUT A VERTICAL AXIS, A PLURALITY OF SETS OF NOZZLES MOUNTED ON SAID CASING TO BE OSCILLATED ABOUT HORIZONTAL AXES, SAID NOZZLES EXTENDING NORMAL TO SAID HORIZONTAL AXES AND BEING DISPLACED FROM SAID VERTICAL AXIS, MEANS FOR OSCILLATING CERTAIN NOZZLES OF EACH SET IN AN ARC ADAPTED TO CAUSE THE LIQUID THEREFROM TO CONTACT THE TOP AND UPPER SIDE WALLS ONLY OF SAID TANK AND MEANS FOR OSCILLATING OTHER NOZZLES OF EACH SET IN AN ARC ADAPTED TO CAUSE THE LIQUID THEREFROM TO CONTACT THE BOTTOM AND LOWER SIDE WALLS ONLY OF SAID TANK, AND MEANS SIMULTANEOUSLY ROTATING SAID CASING ABOUT SAID VERTICAL AXIS FOR THEREBY CAUSING SAID LIQUID TO CONTACT SAID WALLS AROUND THE ENTIRE PERIPHERY OF SAID TANK.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |