US3751048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal element
Assignee: TEMPER CORP
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Filing: 1972-06-02
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Granted: 1973-08-07
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Expires: 1992-06-02
Abstract
Abstract A seal element in the form of a convoluted tubular member formed of a resilient ductile metal which work hardens when stressed beyond the elastic limit. The seal element at the ends has shoulders formed at the juncture of axial and radial flanges which define annular seal regions that can create a high stress region when the seal element is compressed between opposed parts.
Inventors
- 👤 J Rode
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:51
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/08; F16J15/0887
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
98 words
A ring adapted for sealing engagement with a pair of opposed planar members between which the ring is compressed and engaging said members with a substantially constant force over a wide range of axial compression of said ring; said ring comprising an endless strip of relatively thin resilient ductile metal, said strip in axial cross section being convoluted and comprising a plurality of convolutions in end to end relation, axial flanges projecting from the axially outermost sides of the end ones of said convolutions of said ring, and radial flanges on the outer ends of said axial flanges.
Claim 2
Dependent Claim
98 words
A ring adapted for sealing engagement with a pair of opposed planar members between which the ring is compressed and engaging said members with a substantially constant force over a wide range of axial compression of said ring; said ring comprising an endless strip of relatively thin resilient ductile metal, said strip in axial cross section being convoluted and comprising a plurality of convolutions in end to end relation, axial flanges projecting from the axially outermost sides of the end ones of said convolutions of said ring, and radial flanges on the outer ends of said axial flanges.
Claim 3
Dependent Claim
40 words
A ring according to claim 1 in which each said convolution comprises a curved region and said axial flanges are disposed in the radial direction within the radial range of the curved regions of the adjacent ones of said convolutions.
Claim 4
Dependent Claim
21 words
A ring according to claim 2 in which said axial flanges are disposed substantially on the load line of said ring.
Claim 5
Dependent Claim
40 words
A ring according to claim 1 in which each said convolution comprises a curved region and said axial flanges are disposed in the radial direction outside the radial range of the curved regions of the adjacent ones of said convolutions.
Claim 6
Dependent Claim
28 words
A ring according to claim 1 which includes a sharp corner at the juncture of said axial and radial flanges on the axially outer sides of said flanges.
Claim 7
Dependent Claim
32 words
A ring according to claim 2 in which said convolutions when viewed in cross section present a continuously curvilinear configuration in axial cross section from one said axial flange to the other.
Claim 8
Dependent Claim
23 words
A ring according to claim 5 in which each convolution when viewed in axial cross section extends over a range of about 90*.
Claim 9
Dependent Claim
30 words
A ring according to claim 4 in which each convolution when viewed in axial cross section comprises a central curved portion and inclined leg portions connecting the said curved portions.
Claim 10
Dependent Claim
14 words
A ring according to claim 8 in which said leg portions are substantially linear.
Claim 11
Dependent Claim
36 words
A ring according to claim 1 in which said radial flanges are smooth finished on the axially outer sides and the shoulder formed at the juncture of said radial and axial flanges is thereby made sharp.
Claim 12
Dependent Claim
18 words
A ring according to claim 1 in which said ring is formed by a material which work hardens.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |