US4089535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual-shank attachment design for omega seals
Assignee: United States Department of Energy
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Filing: 1977-01-25
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Granted: 1978-05-16
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Expires: 1997-01-25
Abstract
Abstract An improved apparatus and process for attaching welded omega seal segments to reactor heads, standpipes, mechanisms, and plugs comprises a first shank in combination with a second shank to attach an omega seal at a metal-to-metal interface.
Inventors
- 👤 Stanley S. Sattinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:58
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
98 words
An omega seal structure comprising a pair of arc shaped spaced-apart members, each of said members oriented to each other to form approximately one-half of an omega seal and having one end disposed for welding at the apex thereof, each of said members including a first extended shank attachment at the second end respectively disposed for welding to respective first and second support structures, and at least one of said members having a second shank attachment disposed from 45° to 135° to said first shank suitable for welding at the second end to one of said support structures.
Claim 2
Dependent Claim
98 words
An omega seal structure comprising a pair of arc shaped spaced-apart members, each of said members oriented to each other to form approximately one-half of an omega seal and having one end disposed for welding at the apex thereof, each of said members including a first extended shank attachment at the second end respectively disposed for welding to respective first and second support structures, and at least one of said members having a second shank attachment disposed from 45° to 135° to said first shank suitable for welding at the second end to one of said support structures.
Claim 3
Dependent Claim
18 words
The structure defined in claim 1, wherein said second shank is disposed at 90° to said first shank.
Claim 4
Dependent Claim
20 words
The structure defined in claim 1, wherein said first shank is vertically oriented and said second shank is horizontally oriented.
Claim 5
Dependent Claim
24 words
The structure defined in claim 1, wherein each of said members has a second shank disposed from 45° to 135° to said first shank.
Claim 6
Dependent Claim
18 words
The structure defined in claim 4, wherein each of said second shanks is diametrically disposed to one another.
Claim 7
Dependent Claim
23 words
The structure defined in claim 4, wherein each of said second shanks is of equal length to the length of said vertical shanks.
Claim 8
Dependent Claim
35 words
The structure defined in claim 4, wherein said each of said second shanks has a thickness which is less than said vertical shank thickness, but greater than the wall thickness of said omega seal portion.
Claim 9
Dependent Claim
65 words
An omega seal structure segment comprising an arc shaped member of approximately one-half of an omega seal structure, said segment defining a first apex end and a second end, a first extending shank welding attachment to said second end and a second shank welding attachment attached to said second member end, said second shank disposed from 45° to 135° with respect to said first shank.
Claim 10
Dependent Claim
65 words
An omega seal structure segment comprising an arc shaped member of approximately one-half of an omega seal structure, said segment defining a first apex end and a second end, a first extending shank welding attachment to said second end and a second shank welding attachment attached to said second member end, said second shank disposed from 45° to 135° with respect to said first shank.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-05-15 | 1981-11-14 | 1982-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-15 | 1985-11-14 | 1986-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-15 | 1989-11-14 | 1990-05-16 | $7700.00 | Window Closed / Lapsed |