Patent US3978674A successfully refreshed from Google Patents.
US3978674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the discharge of compression material in the production of the compression member of a pull and pressure anchor
Assignee: Walter Bau AG
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Filing: 1973-11-28
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Granted: 1976-09-07
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Expires: 1993-11-28
Abstract
Abstract The disclosure relates to an anchoring device adapted to hold one end of a to-be-stressed linear member within the bore hole of an earth formation. The anchor device has a tubular body surrounding and retaining a section of the linear member and has a compression channel extending along the circumferential portion of the body. The compression channel being open to the outside of the tubular body through a substantial part of its intermediate length to form a distribution channel. Means are provided for feeding hardenable material under pressure to the regions outside the device to compress the earth surrounding the bore hole. The body is covered with a sleeve of elastic material encompassing the body to normally cover the open part of the distribution channel.
Inventors
- 👤 Thomas Herbst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:52
CPC Classifications
E; E02; E02D; E02D5/00; E02D5/74; E02D5/80
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
140 words
An anchoring device adapted to hold one end of a to-be-stressed linear member within the bore hole of an earth formation of the type which surrounds the buried end portion of the stressed linear member and comprises distribution means for feeding hardenable material under pressure to the regions outside the device to compress the earth surrounding the bore hole, comprising a tubular body constructed to surround and retain a section of the linear member, at least one compression channel extending along the circumferential portion of said body, means for feeding hardenable material to the compression channel, said compression channel being open to the outside of the tubular body through a substantial part of its intermediate length to form a distribution channel, and a sleeve of elastic material encompassing said body to normally cover the open part of said distribution channel.
Claim 2
Dependent Claim
140 words
An anchoring device adapted to hold one end of a to-be-stressed linear member within the bore hole of an earth formation of the type which surrounds the buried end portion of the stressed linear member and comprises distribution means for feeding hardenable material under pressure to the regions outside the device to compress the earth surrounding the bore hole, comprising a tubular body constructed to surround and retain a section of the linear member, at least one compression channel extending along the circumferential portion of said body, means for feeding hardenable material to the compression channel, said compression channel being open to the outside of the tubular body through a substantial part of its intermediate length to form a distribution channel, and a sleeve of elastic material encompassing said body to normally cover the open part of said distribution channel.
Claim 3
Dependent Claim
43 words
The device as claimed in claim 1 wherein said body includes tubular extensions at the end of each of said compression channel, said means for feeding hardenable material to the compressor channels comprising distributory conduits connected to said extensions of the compression channels.
Claim 4
Dependent Claim
27 words
The device as claimed in claim 1 wherein said distribution channel extends in a meandering manner in relatively flat fashion over the surface of the tubular body.
Claim 5
Dependent Claim
21 words
The device as claimed in claim 1 wherein the tubular body has end portions of larger diameter than the intermediate position.
Claim 6
Dependent Claim
17 words
The device as claimed in claim 4 wherein said end portions of said tubular body are flat.
Claim 7
Dependent Claim
36 words
The device as claimed in claim 1 wherein said linear member presents an exterior threaded structure, and the tubular body has an interior threaded structure meshing with and engaging the outer threads of the linear member.
Claim 8
Dependent Claim
14 words
The device as claimed in claim 1 wherein said tubular body comprises two half-shells.
Claim 9
Dependent Claim
20 words
The device as claimed in claim 7 wherein each of said half-shells contains at least one of said distribution channels.
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) | 1979-09-07 | 1980-03-08 | 1980-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-07 | 1984-03-08 | 1984-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-07 | 1988-03-08 | 1988-09-07 | $7700.00 | Window Closed / Lapsed |