US5599027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasket assembly for sealing electromagnetic waves
Assignee: Bal Seal Engineering LLC
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Filing: 1995-06-02
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Granted: 1997-02-04
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Expires: 2015-06-02
Abstract
Abstract A gasket assembly for sealing electromagnetic waves includes a canted-coil spring for blocking the propagation of electromagnetic waves therepast. The canted-coil spring includes a plurality of individual coils canted along a centerline thereof. A groove is provided for supporting the coil spring in a position enabling loading of the coil spring along a selected direction. The groove is provided with a selected surface for causing individual coils to always turn in a selected angular direction in order to control electromagnetic shielding effectiveness of the coil spring.
Inventors
- 👤 Peter J. Balsells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:04
CPC Classifications
H; H05; H05K; H05K9/00; H05K9/0007; H05K9/0015; H05K9/0016; Y; Y10; Y10S; Y10S277/00; Y10S277/92
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
122 words
A gasket assembly for sealing electromagnetic waves, said gasket assembly comprising: coil spring means for blocking the propagation of electromagnetic waves therepast, said coil spring means comprising a plurality of individual coils canted along a centerline thereof; and groove means for supporting said coil spring means in a position enabling loading of the coil spring means along a selected direction, said groove means comprising surface means for causing the individual coils to always turn in a selected angular direction in order to control electromagnetic shielding effectiveness of the coil spring means, said groove means comprising a bottom grove surface disposed aslant to said loading direction and generally parallel side grove surfaces adjoining said bottom groove surface and disposed at right angles therewith.
Claim 2
Dependent Claim
122 words
A gasket assembly for sealing electromagnetic waves, said gasket assembly comprising: coil spring means for blocking the propagation of electromagnetic waves therepast, said coil spring means comprising a plurality of individual coils canted along a centerline thereof; and groove means for supporting said coil spring means in a position enabling loading of the coil spring means along a selected direction, said groove means comprising surface means for causing the individual coils to always turn in a selected angular direction in order to control electromagnetic shielding effectiveness of the coil spring means, said groove means comprising a bottom grove surface disposed aslant to said loading direction and generally parallel side grove surfaces adjoining said bottom groove surface and disposed at right angles therewith.
Claim 3
Dependent Claim
35 words
The gasket assembly according to claim 1 wherein a groove width, defined by a distance between said generally parallel side surfaces, is smaller than coil height, measured along a minor axis of the individual coils.
Claim 4
Dependent Claim
17 words
The gasket assembly according to claim 1 wherein said coil spring means is filled with an elastomer.
Claim 5
Dependent Claim
13 words
The gasket assembly according to claim 1 wherein said groove means is linear.
Claim 6
Dependent Claim
17 words
The gasket assembly according to claim 4 wherein said coil spring means is filled with an elastomer.
Claim 7
Dependent Claim
113 words
An axially loadable gasket assembly for sealing electromagnetic waves, said gasket assembly comprising: coil spring means for blocking the propagation of electromagnetic waves therepast, said coil spring means comprising a plurality of individual coils canted along a centerline thereof; and groove means for supporting said coil spring means in a position enabling axial loading of the coil spring means, said groove means comprising surface means for causing individual coils to always turn in a selected angular direction in order to control electromagnetic shielding effectiveness of the coil spring means, said groove means comprising a bottom groove surface disposed aslant to said loading direction and sidewalls disposed at an angle to an adjoining surface.
Claim 8
Dependent Claim
113 words
An axially loadable gasket assembly for sealing electromagnetic waves, said gasket assembly comprising: coil spring means for blocking the propagation of electromagnetic waves therepast, said coil spring means comprising a plurality of individual coils canted along a centerline thereof; and groove means for supporting said coil spring means in a position enabling axial loading of the coil spring means, said groove means comprising surface means for causing individual coils to always turn in a selected angular direction in order to control electromagnetic shielding effectiveness of the coil spring means, said groove means comprising a bottom groove surface disposed aslant to said loading direction and sidewalls disposed at an angle to an adjoining surface.
Claim 9
Dependent Claim
29 words
The gasket assembly according to claim 6 wherein said surface means further comprises generally parallel side groove surfaces adjoining said bottom groove surface and disposed at right angles therewith.
Claim 10
Dependent Claim
145 words
An axially loadable gasket assembly for sealing electromagnetic waves, said gasket assembly comprising: continuous coil spring means for blocking the propagation of electromagnetic waves therepast, said coil spring means comprising a plurality of individual coils canted along a centerline thereof, each individual coil being oval and having a major and a minor axis; and groove means for supporting said coil spring means in a position enabling loading of the coil spring means along the major axis of the individual coils and deflection of the individual coils along the minor axis thereof, said groove means comprising surface means for causing individual coils to always turn in a selected angular direction in order to control electromagnetic shielding effectiveness if the coil spring means, said groove means comprising a bottom groove surface disposed aslant to said loading direction and sidewalls disposed at an angle to an adjoining surface.
Claim 11
Dependent Claim
145 words
An axially loadable gasket assembly for sealing electromagnetic waves, said gasket assembly comprising: continuous coil spring means for blocking the propagation of electromagnetic waves therepast, said coil spring means comprising a plurality of individual coils canted along a centerline thereof, each individual coil being oval and having a major and a minor axis; and groove means for supporting said coil spring means in a position enabling loading of the coil spring means along the major axis of the individual coils and deflection of the individual coils along the minor axis thereof, said groove means comprising surface means for causing individual coils to always turn in a selected angular direction in order to control electromagnetic shielding effectiveness if the coil spring means, said groove means comprising a bottom groove surface disposed aslant to said loading direction and sidewalls disposed at an angle to an adjoining surface.
Claim 12
Dependent Claim
29 words
The gasket assembly according to claim 8 wherein said surface means further comprises generally parallel side groove surfaces adjoining said bottom groove surface and disposed at right angles therewith.
Claim 13
Dependent Claim
17 words
The gasket assembly according to claim 8 wherein said coil spring means is filled with an elastomer.
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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) | 2000-02-04 | 2000-08-05 | 2001-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-02-04 | 2004-08-05 | 2005-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-02-04 | 2008-08-05 | 2009-02-04 | $7700.00 | Window Closed / Lapsed |