US3946570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support and foundation composite pile for various works and method for manufacturing the same
Assignee: S E F I SONDAGES ETANCHEMENTS FORAGES INJECTIONS
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Filing: 1974-09-27
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Granted: 1976-03-30
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Expires: 1994-09-27
Abstract
Abstract The pile comprises a strainer tube connected through a sealing grout to a reinforcement part inside said tube which is held in the surrounding ground by injections of an anchorage grout and by injections of a tightening grout.
Inventors
- 👤 Pierre Henry Freydier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:48
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/22; E02D5/54; E02D5/34; E02D5/38; E02D5/62
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
182 words
A method for manufacturing a composite pile for supporting a construction on the surface of the ground comprising the steps of boring the ground to a depth sufficient to reach and penetrate into a coherent and strong bed, introducing into the bore a strainer tube of a diameter smaller than that of said bore, connecting said tube to the bore through an injection of sheath grout, connecting said tube and said sheath grout to the surrounding ground through superposed injections of an anchor grout made on the lower portion of the tube and sheath grout located in the good ground and by at least one injection of a cohesion grout impregnating the upper bed of the surrounding ground, said injections being made through injection holes disposed in said strainer tube, placing a reinforcement part inside said tube, introducing in said tube a sealing grout for the reinforcement part, and forming the end portion of the tube, of the reinforcement part and the sealing grout raising above the ground to provide an anchorage head to be affixed to the construction to be supported.
Claim 2
Independent Claim
182 words
A method for manufacturing a composite pile for supporting a construction on the surface of the ground comprising the steps of boring the ground to a depth sufficient to reach and penetrate into a coherent and strong bed, introducing into the bore a strainer tube of a diameter smaller than that of said bore, connecting said tube to the bore through an injection of sheath grout, connecting said tube and said sheath grout to the surrounding ground through superposed injections of an anchor grout made on the lower portion of the tube and sheath grout located in the good ground and by at least one injection of a cohesion grout impregnating the upper bed of the surrounding ground, said injections being made through injection holes disposed in said strainer tube, placing a reinforcement part inside said tube, introducing in said tube a sealing grout for the reinforcement part, and forming the end portion of the tube, of the reinforcement part and the sealing grout raising above the ground to provide an anchorage head to be affixed to the construction to be supported.
Claim 3
Dependent Claim
20 words
Method as set forth in claim 1, wherein said boring is made in the foundation of a work already built.
Claim 4
Dependent Claim
13 words
Method as set forth in claim 1 wherein said boring is substantially vertical.
Claim 5
Dependent Claim
17 words
Method as set forth in claim 1 wherein said boring is at an angle to the vertical.
Claim 6
Dependent Claim
152 words
A support and foundation composite pile for supporting a construction on the surface of the ground comprising a strainer tube made of steel disposed in a bore in the ground having a diameter larger than that of said strainer tube, a sheath grout peripherally disposed around said strainer tube and filling the space between said strainer tube and the wall of said bore, an anchoring grout injected at diverse levels into the surrounding ground through injection holes disposed in said strainer tube at the lower portion of said tube, a reinforcement part disposed in said tube, a sealing grout sealing the space between the inner wall of said tube and said reinforcement part, and an anchor head protruding from the ground and adapted to be affixed to the construction supported by said composite pile, said anchor head being provided by the protruding portion of said strainer tube, sealing grout and reinforcement part.
Claim 7
Dependent Claim
152 words
A support and foundation composite pile for supporting a construction on the surface of the ground comprising a strainer tube made of steel disposed in a bore in the ground having a diameter larger than that of said strainer tube, a sheath grout peripherally disposed around said strainer tube and filling the space between said strainer tube and the wall of said bore, an anchoring grout injected at diverse levels into the surrounding ground through injection holes disposed in said strainer tube at the lower portion of said tube, a reinforcement part disposed in said tube, a sealing grout sealing the space between the inner wall of said tube and said reinforcement part, and an anchor head protruding from the ground and adapted to be affixed to the construction supported by said composite pile, said anchor head being provided by the protruding portion of said strainer tube, sealing grout and reinforcement part.
Claim 8
Dependent Claim
34 words
The support and foundation composite pile of claim 5 further comprising securing and cohesion injections of grout disposed at superimposed levels at the upper portion of said tube and effected through said injection holes.
Claim 9
Dependent Claim
17 words
The support and foundation composite pile of claim 5 wherein said strainer tube is disposed substantially vertically.
Claim 10
Dependent Claim
21 words
The support and foundation composite pile of claim 5 wherein said strainer tube is disposed at an angle to the vertical.
Claim 11
Dependent Claim
32 words
The support and foundation composite pile of claim 5 wherein said bore is formed partly through the foundation of a work already built and said anchor head is affixed to said work.
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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) | 1979-03-30 | 1979-09-29 | 1980-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-30 | 1983-09-29 | 1984-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-30 | 1987-09-29 | 1988-03-30 | $7700.00 | Window Closed / Lapsed |