US3643987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spout structure
Assignee: Camco Inc Canada
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Filing: 1970-09-11
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Granted: 1972-02-22
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Expires: 1990-09-11
Abstract
Abstract A spout structure for liquid receptacles having an opening in a wall consists of a tube extending through the opening, a gasket on the inside of the wall surrounding said opening, a flange at one end of the tubular member engaging the gasket having a ledge on the tubular member outward of the wall and a dished resilient ring bearing against the ledge and the wall, the ring having legs which can be sprung apart to enable it to pass over the ledge and fixed into position.
Inventors
- 👤 Ronal Charles Dupont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:26
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/008; F16L47/00; F16L47/26; F16L47/28; Y; Y10; Y10S; Y10S411/00; Y10S411/918
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
248 words
A spout structure for liquid receptacles having An opening in a wall thereof, said spout structure including a tubular member extending through said opening, sealing gasket means surrounding said opening and engaging the inside of the wall of said receptacle, a flange at one end of said tubular member engaging said gasket, a ledge on said tubular member disposed outward of said wall and spaced therefrom, said ledge having a face disposed towards said wall, a dished ring of resilient material, said ring having a connecting portion with an internal diameter less than the external diameter of said ledge, said connecting portion having a plurality of legs with the internal diameter of the extremities of said legs less than the external diameter of said ledge, the height of said dished ring being greater than the distance from said face of said ledge to the outward side of said wall when said tubular member is first assembled through said opening, said ring embracing said tube and adapted to be compressed between the outer surface of said wall and the face of said ledge with said connecting portion bearing against said wall and the extremities of said legs bearing against said face to resiliently clamp and seal said flange against said gasket and a tapered wall portion on said tubular member extending from the outer surface of said wall to a point spaced from said ledge so as to allow compression of said dished ring opposite said sealing gasket means.
Claim 2
Dependent Claim
248 words
A spout structure for liquid receptacles having An opening in a wall thereof, said spout structure including a tubular member extending through said opening, sealing gasket means surrounding said opening and engaging the inside of the wall of said receptacle, a flange at one end of said tubular member engaging said gasket, a ledge on said tubular member disposed outward of said wall and spaced therefrom, said ledge having a face disposed towards said wall, a dished ring of resilient material, said ring having a connecting portion with an internal diameter less than the external diameter of said ledge, said connecting portion having a plurality of legs with the internal diameter of the extremities of said legs less than the external diameter of said ledge, the height of said dished ring being greater than the distance from said face of said ledge to the outward side of said wall when said tubular member is first assembled through said opening, said ring embracing said tube and adapted to be compressed between the outer surface of said wall and the face of said ledge with said connecting portion bearing against said wall and the extremities of said legs bearing against said face to resiliently clamp and seal said flange against said gasket and a tapered wall portion on said tubular member extending from the outer surface of said wall to a point spaced from said ledge so as to allow compression of said dished ring opposite said sealing gasket means.
Claim 3
Dependent Claim
16 words
A spout structure according to claim 1, wherein said dished ring is made of spring steel.
References Cited (Backward Citations)
US1179648A
Cited
US1483218A
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US1890348A
Cited
US2180960A
Cited
US2312379A
Cited
US2889089A
Cited
US3116362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-21 | 1975-08-23 | 1976-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-21 | 1979-08-23 | 1980-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-21 | 1983-08-23 | 1984-02-22 | $7700.00 | Window Closed / Lapsed |