US4466758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Holding body to attach a sealing foil of synthetic material to a foundation
Assignee: Individual
•
Filing: 1982-01-27
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Granted: 1984-08-21
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Expires: 2002-01-27
Abstract
Abstract Holding body for attaching a sealing foil of synthetic material to a foundation, in particular a tunnel wall, consisting of two discs connected to each other and parallel to each other, of which one with its base surface contacts on the foundation, and the other is connected to the synthetic foil, the discs (2,3) being connected integrally to each other by means of at least one bar (4), and the bar (4) having a tearing point of predetermined tearing strength.
Inventors
- 👤 Ignaz Hinterreiter
- 👤 Walter Neumuller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:15
CPC Classifications
E; E21; E21D; E21D11/00; E21D11/38; E21D11/383; F; F16; F16B; F16B2200/00; F16B2200/63; Y; Y10; Y10T; Y10T403/00; Y10T403/47; Y10T403/477
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
85 words
A holding body for attaching a sealing foil of synthetic material to a foundation, which comprises two discs extending substantially parallel to each other and at least one bar substantially parallel to the discs and interposed therebetween, the two discs and the bar forming a one-piece body, one of the discs having a base surface for contact with the foundation and the other disc having a top surface for connection to the sealing foil, and the bar having a tearing point of predetermined tearing strength.
Claim 2
Dependent Claim
85 words
A holding body for attaching a sealing foil of synthetic material to a foundation, which comprises two discs extending substantially parallel to each other and at least one bar substantially parallel to the discs and interposed therebetween, the two discs and the bar forming a one-piece body, one of the discs having a base surface for contact with the foundation and the other disc having a top surface for connection to the sealing foil, and the bar having a tearing point of predetermined tearing strength.
Claim 3
Dependent Claim
35 words
The holding body of claim 1, wherein the cross section of the bar is reduced in the direction of the top surface whereby the tearing point is formed in the vicinity of the top surface.
Claim 4
Dependent Claim
22 words
The holding body of claim 1, comprising a plurality of said bars, the bars being straight and substantially parallel to each other.
Claim 5
Dependent Claim
28 words
The holding body of claim 3, wherein the bars have parts projecting beyond the periphery of the surfaces, the projecting bar parts facing the top surface being rounded.
Claim 6
Dependent Claim
31 words
The holding bar of claim 1, wherein the other disc defines a coaxial countersunk recess and the body defines a coaxial through hole extending from the recess to the base surface.
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) | 1987-08-21 | 1988-02-20 | 1988-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-08-21 | 1992-02-20 | 1992-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-08-21 | 1996-02-20 | 1996-08-21 | $7700.00 | Window Closed / Lapsed |