US3130431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for descaling pipes
Assignee: Individual
•
Filing: 1960-04-22
•
Granted: 1964-04-28
•
Expires: 1980-04-22
Abstract
No abstract record available.
Inventors
- 👤 Reinhart Alberto Johann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:59
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/053; B08B9/055; B08B9/0553
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
APPARATUS FOR DESCALING PIPES COMPRISING A FIRST UNIT CONSTITUTED BY AT LEAST TWO CUTTING AND SPLITTING TOOLS EACH COMPRISING AN AXIAL BAR, A PLURALITY OF ARM SUPPORTED KNIVES EACH INCLUDING A FRONT PART FOR CUTTING INTO PIPE DEPOSITS IN A LONGITUDINAL PLANE AND A V-SHAPED BACK PART FOR PENETRATING INTO SAID CUTS IN SAID DEPOSITS AND SIMULTANEOUSLY SPLITTING THE DEPOSIT ON THE PIPE WALL, SAID KNIVES BEING ARRANGED ACCORDING TO THE EDGES OF A PYRAMID AROUND SAID AXIAL BAR AND HAVING ONE END OF THEIR ARM HINGEDLY CONNECTED THERETO, A SLEEVE DISPLACEABLE ALONG SAID BAR, A PLURALITY OF KNIFE-LOADING SPRINGS MOUNTED ON SAID SLEEVE AND EACH ACTING ON A RESPECTIVE ONE OF SAID KNIVES TENDING TO SPACE SAID KNIVES RADIALLY OUTWARDS FROM SAID BAR, AND A SLEEVE-LOADING SPRING TENDING TO MOVE SAID SLEEVE AWAY FROM SAID HINGED CONNECTION OF SAID KNIVES, A THRUSTING DEVICE WHICH, IN OPERATION, IS CAPABLE OF BEING MOVED BY A PART OF THE ENERGY OF A LIQUID FLOWING THROUGH THE PIPE BEING DESCALED; A SECOND UNIT CONSTITUTED BY AT LEAST TWO CRUSHING TOOLS EACH HAVING A PLURALITY OF RIBBED BARREL-SHAPED ROLLERS WHICH ARE RE-
Claim 2
Dependent Claim
188 words
APPARATUS FOR DESCALING PIPES COMPRISING A FIRST UNIT CONSTITUTED BY AT LEAST TWO CUTTING AND SPLITTING TOOLS EACH COMPRISING AN AXIAL BAR, A PLURALITY OF ARM SUPPORTED KNIVES EACH INCLUDING A FRONT PART FOR CUTTING INTO PIPE DEPOSITS IN A LONGITUDINAL PLANE AND A V-SHAPED BACK PART FOR PENETRATING INTO SAID CUTS IN SAID DEPOSITS AND SIMULTANEOUSLY SPLITTING THE DEPOSIT ON THE PIPE WALL, SAID KNIVES BEING ARRANGED ACCORDING TO THE EDGES OF A PYRAMID AROUND SAID AXIAL BAR AND HAVING ONE END OF THEIR ARM HINGEDLY CONNECTED THERETO, A SLEEVE DISPLACEABLE ALONG SAID BAR, A PLURALITY OF KNIFE-LOADING SPRINGS MOUNTED ON SAID SLEEVE AND EACH ACTING ON A RESPECTIVE ONE OF SAID KNIVES TENDING TO SPACE SAID KNIVES RADIALLY OUTWARDS FROM SAID BAR, AND A SLEEVE-LOADING SPRING TENDING TO MOVE SAID SLEEVE AWAY FROM SAID HINGED CONNECTION OF SAID KNIVES, A THRUSTING DEVICE WHICH, IN OPERATION, IS CAPABLE OF BEING MOVED BY A PART OF THE ENERGY OF A LIQUID FLOWING THROUGH THE PIPE BEING DESCALED; A SECOND UNIT CONSTITUTED BY AT LEAST TWO CRUSHING TOOLS EACH HAVING A PLURALITY OF RIBBED BARREL-SHAPED ROLLERS WHICH ARE RE-
References Cited (Backward Citations)
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Cited
US160203A
Cited
US518638A
Cited
US597421A
Cited
US971042A
Cited
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Cited
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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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |