Patent US4279266A successfully refreshed from Google Patents.
US4279266A
Expired / Lapsed
US
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Sleeve valve
Assignee: Oil States Industries Inc
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Filing: 1980-04-23
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Granted: 1981-07-21
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Expires: 2000-04-23
Abstract
Abstract Sleeve valve for a tank having an opening therein.
Inventors
- 👤 Lloyd C. Knox
- 👤 Robert B. Nickles, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:17
CPC Classifications
B; B63; B63B; B63B13/00; B63B13/02; F; F16; F16K; F16K3/00; F16K3/22; F16K3/24; F16K3/26; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1669; Y10T137/8593; Y10T137/86292; Y10T137/86324
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
211 words
In combination, a tank having an opening therein and a sleeve valve means installed within said tank, said sleeve valve means comprising: central body means installed within said tank surrounding the opening therein, said central body means including: an elongated cylindrical body member having one end secured to said tank surrounding the opening therein, having the other end thereof sealed by circular plug means, having annular recess means in the outer surface thereof, having a plurality of apertures therein, having first annular seal means located on one side of the plurality of apertures, and having second annular seal means located on the other side of the plurality of apertures; sleeve means installed over said central body means sealingly engaging the outer surface thereof, said sleeve means including: elongated cylindrical body means having a plurality of apertures therein, having strut means having one end thereof secured to the elongated cylindrical body means, having central sleeve means secured to the other end of the strut means, and having attachment means secured to the central sleeve means; and shear type fastening means extending through the apertures in said sleeve means having a portion thereof engaging the annular recess means in said central body member thereby securing said sleeve means to said central body member.
Claim 2
Dependent Claim
211 words
In combination, a tank having an opening therein and a sleeve valve means installed within said tank, said sleeve valve means comprising: central body means installed within said tank surrounding the opening therein, said central body means including: an elongated cylindrical body member having one end secured to said tank surrounding the opening therein, having the other end thereof sealed by circular plug means, having annular recess means in the outer surface thereof, having a plurality of apertures therein, having first annular seal means located on one side of the plurality of apertures, and having second annular seal means located on the other side of the plurality of apertures; sleeve means installed over said central body means sealingly engaging the outer surface thereof, said sleeve means including: elongated cylindrical body means having a plurality of apertures therein, having strut means having one end thereof secured to the elongated cylindrical body means, having central sleeve means secured to the other end of the strut means, and having attachment means secured to the central sleeve means; and shear type fastening means extending through the apertures in said sleeve means having a portion thereof engaging the annular recess means in said central body member thereby securing said sleeve means to said central body member.
Claim 3
Dependent Claim
23 words
The combination of claim 1 wherein said central body member further includes: abutment means on the outer surface of the elongated cylindrical member.
Claim 4
Dependent Claim
27 words
The combination of claim 2 wherein the first annular seal means and the second annular means of said central body member comprise elastomeric O-ring type seal means.
Claim 5
Dependent Claim
22 words
The combination of claim 3 wherein the attachment means secured to the central sleeve means of said sleeve means comprises eyebolt means.
Claim 6
Dependent Claim
222 words
In combination, a tank having an opening therein and a sleeve valve means installed within said tank, said sleeve valve means comprising: central body means installed within said tank surrounding the opening therein, said central body means including: an elongated cylindrical body member having one end secured to said tank surrounding the opening therein, having the other end thereof sealed by circular plug means, having annular recess means in the outer surface thereof, having a plurality of apertures therein, having first annular elastomeric O-ring seal means located on one side of the plurality of apertures, having second annular elastomeric seal means located on the other side of the plurality of apertures, and having abutment means on the outer surface thereof; sleeve means installed over said central body means sealingly engaging the outer surface thereof, said sleeve means including: elongated cylindrical body means having a plurality of apertures therein, having strut means having one end thereof secured to the elongated cylindrical body means, having central sleeve means secured to the other end of the strut means, and having eyebolt means secured to the central sleeve means; and shear type fastening means extending through the apertures in said sleeve means having a portion thereof engaging the annular recess means in said central body member thereby securing said sleeve means to said central body member.
Claim 7
Dependent Claim
222 words
In combination, a tank having an opening therein and a sleeve valve means installed within said tank, said sleeve valve means comprising: central body means installed within said tank surrounding the opening therein, said central body means including: an elongated cylindrical body member having one end secured to said tank surrounding the opening therein, having the other end thereof sealed by circular plug means, having annular recess means in the outer surface thereof, having a plurality of apertures therein, having first annular elastomeric O-ring seal means located on one side of the plurality of apertures, having second annular elastomeric seal means located on the other side of the plurality of apertures, and having abutment means on the outer surface thereof; sleeve means installed over said central body means sealingly engaging the outer surface thereof, said sleeve means including: elongated cylindrical body means having a plurality of apertures therein, having strut means having one end thereof secured to the elongated cylindrical body means, having central sleeve means secured to the other end of the strut means, and having eyebolt means secured to the central sleeve means; and shear type fastening means extending through the apertures in said sleeve means having a portion thereof engaging the annular recess means in said central body member thereby securing said sleeve means to said central body member.
References Cited (Backward Citations)
US1552065A
Cited
US2409071A
Cited
US2602510A
Cited
US3199199A
Cited
US3081466A
Cited
US4142371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-07-20 | 1985-01-19 | 1985-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-20 | 1989-01-19 | 1989-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-20 | 1993-01-19 | 1993-07-21 | $7700.00 | Window Closed / Lapsed |