Patent US4199158A successfully refreshed from Google Patents.
US4199158A
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US
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Profiled gasket for sealing tunnel segment joints
Assignee: Vredestein NV
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Filing: 1978-11-20
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Granted: 1980-04-22
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Expires: 1998-11-20
Abstract
Abstract Profiled gasket for sealing tunnel segment joints, which is placed in a receiving groove in this segment and which is made of a body of rubber or an elastically deformable synthetic material, said body having at the one side two outer legs, within which there at least two inner legs, a slot being provided between each two legs, at least the upper part of the slot formed by each outer leg and its neighboring inner leg lying within the outer plane of the other side of the body.
Inventors
- 👤 Eduard H. L. de Munck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:34
CPC Classifications
E; E02; E02D; E02D29/00; E02D29/16; E02B; E02B3/00; E02B3/16; E21; E21D; E21D11/00; E21D11/38; E21D11/385; E21D11/388; Y; Y10; Y10S; Y10S277/00; Y10S277/921
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
130 words
A profiled gasket for sealing tunnel segments of tunnels built up of segments, each segment being provided with such a profiled gasket running therearound, arranged and provided in a receiving groove provided in this segment and which is made of a body of rubber or an elastically deformable synthetic material, characterized in that this body has at the one side of two of its opposite sides two outer legs, within which there are at least two inner legs, a slot being provided between each two legs, at least the upper part of the slot formed by each outer leg with the neighbouring inner leg lying within the outer plane of the other side of the body, each of the outer legs also provided with one or more holes or recesses.
Claim 2
Dependent Claim
130 words
A profiled gasket for sealing tunnel segments of tunnels built up of segments, each segment being provided with such a profiled gasket running therearound, arranged and provided in a receiving groove provided in this segment and which is made of a body of rubber or an elastically deformable synthetic material, characterized in that this body has at the one side of two of its opposite sides two outer legs, within which there are at least two inner legs, a slot being provided between each two legs, at least the upper part of the slot formed by each outer leg with the neighbouring inner leg lying within the outer plane of the other side of the body, each of the outer legs also provided with one or more holes or recesses.
Claim 3
Dependent Claim
21 words
A profiled gasket according to claim 1, characterized in that the outer legs have a shorter length than the inside legs.
Claim 4
Dependent Claim
32 words
A profiled gasket according to claim 2, characterized in that the lower plane of the outer legs makes a different angle with the center line of the gasket than the inner legs.
Claim 5
Dependent Claim
30 words
A profiled gasket according to claim 3, characterized in that each of the longitudinal zones of the other of the two opposite sides are higher than the part lying therebetween.
References Cited (Backward Citations)
US2230303A
Cited
US3367693A
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US3363383A
Cited
US3750411A
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US3831950A
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US4045037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-04-22 | 1983-10-22 | 1984-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-22 | 1987-10-22 | 1988-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-22 | 1991-10-22 | 1992-04-22 | $7700.00 | Window Closed / Lapsed |