Patent US3186181A successfully refreshed from Google Patents.
US3186181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filling of pile shells with concrete
Assignee: Raymond International Inc
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Filing: 1962-10-18
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Granted: 1965-06-01
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Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 Richard K Snow
- 👤 George J Gendron
- 👤 Lindsey J Phares
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:06
CPC Classifications
E; E02; E02D; E02D15/00; E02D15/02; E02D15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
METHOD FOR INTRODUCING CONCRETE INTO PILE SHELLS AND THE LIKE AFTER SAME HAVE BEEN INSTALLED IN THE EARTH AND WHICH ARE OF SUCH EXTENSIVE DEPTH THAT THE ROCK OF THE CONCRETE MIXTURE, IF POURED IN AT THE TOP, WOULD BECOME EXCESSIVELY SEGREGATED FROM THE GROUTH BY REASON OF AIR TURBULENCE IN THE SHELL, SAID METHOD COMPRISING: FIRST FORMING A COMPACT SLUG OF THE CONCRETE MIXTURE AT THE UPPER END OF THE PILE SHELL, SAID SLUG BEING SMALLER THAN THE SHELL IN CROSS-SECTION AND BEING ELONGATED WITH ITS LOWER END AS FORMED AT A REGION SPACED FROM THE BOTTOM OF THE SHELL BY A DISTANCE AT LEAST SEVERAL TIMES GREATER THAN THE LENGTH OF THE SLUG; THEN RELEASING SAID SLUG AND ALLOWING SAME TO DROP, WHILE SAME REMAINS AS AN INTEGRAL COMPACT MASS, TO THE BOTTOM OF THE SHELL; AND FORMING AND DROPPING LIKE SUCCESSIVE COMPACT SLUGS UNTIL THE SHELL IS FILLED TO THE DESIRED DEPTH.
Claim 2
Dependent Claim
155 words
METHOD FOR INTRODUCING CONCRETE INTO PILE SHELLS AND THE LIKE AFTER SAME HAVE BEEN INSTALLED IN THE EARTH AND WHICH ARE OF SUCH EXTENSIVE DEPTH THAT THE ROCK OF THE CONCRETE MIXTURE, IF POURED IN AT THE TOP, WOULD BECOME EXCESSIVELY SEGREGATED FROM THE GROUTH BY REASON OF AIR TURBULENCE IN THE SHELL, SAID METHOD COMPRISING: FIRST FORMING A COMPACT SLUG OF THE CONCRETE MIXTURE AT THE UPPER END OF THE PILE SHELL, SAID SLUG BEING SMALLER THAN THE SHELL IN CROSS-SECTION AND BEING ELONGATED WITH ITS LOWER END AS FORMED AT A REGION SPACED FROM THE BOTTOM OF THE SHELL BY A DISTANCE AT LEAST SEVERAL TIMES GREATER THAN THE LENGTH OF THE SLUG; THEN RELEASING SAID SLUG AND ALLOWING SAME TO DROP, WHILE SAME REMAINS AS AN INTEGRAL COMPACT MASS, TO THE BOTTOM OF THE SHELL; AND FORMING AND DROPPING LIKE SUCCESSIVE COMPACT SLUGS UNTIL THE SHELL IS FILLED TO THE DESIRED DEPTH.
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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |