US3909011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retainer
Assignee: Individual
•
Filing: 1974-04-08
•
Granted: 1975-09-30
•
Expires: 1994-04-08
Abstract
Abstract A retainer device for fixedly retaining a seal between two joined pipe flanges, and sealingly encircling the pipes communicating conduit portions. This retainer, being adjustable, may be used with flanges having diversely positioned circles of bolts.
Inventors
- 👤 John M Sheesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:31
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/006; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/10; F16J15/12; F16J15/121; F16J15/127; F16L23/16
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
80 words
A spacer assembly for positioning a seal member about an opening, said spacer assembly comprising: a pair of spaced apart struts, each strut having a centrally curved portion adapted to receive a seal, therein, and portions extending from each side of the curved portion; first and second positioning members, connected to opposite ends of said struts, said positioning members having means adapted to receive securing means whereby said spacer assembly may adjust to accommodate different size openings in a flange.
Claim 2
Dependent Claim
80 words
A spacer assembly for positioning a seal member about an opening, said spacer assembly comprising: a pair of spaced apart struts, each strut having a centrally curved portion adapted to receive a seal, therein, and portions extending from each side of the curved portion; first and second positioning members, connected to opposite ends of said struts, said positioning members having means adapted to receive securing means whereby said spacer assembly may adjust to accommodate different size openings in a flange.
Claim 3
Dependent Claim
86 words
A spacer assembly for positioning a seal member about an opening, said spacer assembly comprising: a pair of spaced apart struts, each strut having a centrally curved portion adapted to receive a seal therein and portions extending from each side of the curved portion; first and second slide portions slidably positioned near opposite ends of said struts having means adapted to receive securing means whereby said assembly may adjust to accommodate different size openings in a flange, one of said slide portions having an aperture therethrough.
Claim 4
Dependent Claim
86 words
A spacer assembly for positioning a seal member about an opening, said spacer assembly comprising: a pair of spaced apart struts, each strut having a centrally curved portion adapted to receive a seal therein and portions extending from each side of the curved portion; first and second slide portions slidably positioned near opposite ends of said struts having means adapted to receive securing means whereby said assembly may adjust to accommodate different size openings in a flange, one of said slide portions having an aperture therethrough.
Claim 5
Dependent Claim
89 words
A spacer assembly for positioning a seal member about an opening, said spacer assembly comprising: a pair of spaced apart struts, each strut having a centrally curved portion adapted to receive a seal therein and portions extending from each side of the curved portion; first and second slide portions slidably positioned near opposite ends of said struts having means adapted to receive securing means whereby said assembly may adjust to accommodate different size openings in a flange, one of said slide portions having a cutout portion along one side.
Claim 6
Dependent Claim
89 words
A spacer assembly for positioning a seal member about an opening, said spacer assembly comprising: a pair of spaced apart struts, each strut having a centrally curved portion adapted to receive a seal therein and portions extending from each side of the curved portion; first and second slide portions slidably positioned near opposite ends of said struts having means adapted to receive securing means whereby said assembly may adjust to accommodate different size openings in a flange, one of said slide portions having a cutout portion along one side.
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) | 1978-09-29 | 1979-03-31 | 1979-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-29 | 1983-03-31 | 1983-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-29 | 1987-03-31 | 1987-09-30 | $7700.00 | Window Closed / Lapsed |