US3591190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clinch seals
Assignee: Individual
•
Filing: 1969-05-23
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Granted: 1971-07-06
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Expires: 1989-05-23
Abstract
Abstract A clinch seal concrete structure provided with an access hole for a conduit, wherein the access hole is defined by a fluid impervious, elastic sheet imbedded in the concrete structure around the access hole; the sheet provided with a hole; a tubular border surrounding the hole in the sheet, and a contractable strap in the tubular border, whereby the hole in the sheet may be contracted to clinch a conduit inserted therein in sealing engagement.
Inventors
- 👤 Fred Winay
- 👤 Peter F Kalksma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:03
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/021; F16J15/022; F16J15/024; F16J15/027
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
67 words
A clinch seal comprising a. a body having an aperture therein, b. an elastic annulus positioned generally in the aperture, c. an integral radial flange extending outwardly from the annulus, d. the flange imbedded in the body around the aperture, e. a clinch ring in the annulus whereby it may be contracted, f. an access passage in the annulus to permit the contraction of the clinch ring.
Claim 2
Dependent Claim
67 words
A clinch seal comprising a. a body having an aperture therein, b. an elastic annulus positioned generally in the aperture, c. an integral radial flange extending outwardly from the annulus, d. the flange imbedded in the body around the aperture, e. a clinch ring in the annulus whereby it may be contracted, f. an access passage in the annulus to permit the contraction of the clinch ring.
Claim 3
Dependent Claim
17 words
The device according to claim 1 in which the flange is provided with a plurality of perforations.
Claim 4
Dependent Claim
30 words
The device according to claim 1 in which the plane in which the annulus lies and the plane in which the flange lies imbedded in the body, are generally identical.
Claim 5
Dependent Claim
29 words
The device according to claim 1 in which the plane in which the annulus lies and the plane in which the flange lies imbedded in the body, are different.
Claim 6
Dependent Claim
101 words
A clinch seal comprising: a. a sheet having an aperture therein, b. a body having an aperture therein, c. the sheet sealed in the body with the respective apertures of the sheet and the body in general registration with each other, d. an elastic annulus attached to the sheet surrounding the aperture, e. an adjustable clinch ring in the annulus, f. an access passage in the annulus to enable the contraction of the clinch ring, to engage a conduit inserted into the apertures and to seize and seal therewith, g. a conduit in the apertures, and seized by the clinch ring.
Claim 7
Dependent Claim
101 words
A clinch seal comprising: a. a sheet having an aperture therein, b. a body having an aperture therein, c. the sheet sealed in the body with the respective apertures of the sheet and the body in general registration with each other, d. an elastic annulus attached to the sheet surrounding the aperture, e. an adjustable clinch ring in the annulus, f. an access passage in the annulus to enable the contraction of the clinch ring, to engage a conduit inserted into the apertures and to seize and seal therewith, g. a conduit in the apertures, and seized by the clinch ring.
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |