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US3857572A Expired / Lapsed US ⏱️ 0.0 years remaining

E-ring seal assembly

Assignee: EG&G Pressure Science Inc
•
Filing: 1973-10-18
•
Granted: 1974-12-31
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Expires: 1993-10-18
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Abstract

Abstract There is disclosed a sealing ring assembly comprising one or more resilient metal sealing rings approximately E-shaped in radial cross section each secured inside a spacer plate. The outer arms of the sealing ring have a sinuous configuration. The central arm of the E is a loop, open on the outer edge and has at least a portion of its two sides out of contact with each other. An outer spacer plate encircles each of the E rings. This plate contains an annular groove in each of the inner surfaces of the apertures provided for the E-seals. This groove is aligned with and coextensive with the opening of the loop in the E-ring. A split ring encircles the E-ring seals and is situated so that a portion thereof extends into the annular groove on the metal spacer plate and another portion extends into the opening in the loop in the E-ring seal. This ring thereby prevents the E-ring from falling out of the spacer plate during handling and installation. This assembly is inserted as a unit between two flat faced flanges secured to the ends of tubing of equipment which is to be coupled.

Inventors

  • 👤 D Taylor
  • 👤 H Halling

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 21:13
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/02; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/08; F16J15/0887; F16L23/16; F16L23/18; F16L23/20

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 149 words
A sealing ring assembly comprising a spacer plate and at least one resilient metal sealing ring approximately E-shaped in radial cross section secured inside an aperture in said spacer plate, the outer arms of said E-sealing ring having a sinuous configuration, the central arm of said E-sealing ring being a loop open on the outer edge thereof and having at least a portion of its two sides out of contact with each other, the portion of said spacer plate defining said aperture encircling said Esealing ring and having an annular groove on the inner surface thereof, said groove being aligned with the opening of the loop on the central arm of said E-sealing ring, another ring encircling said E-sealing ring and being situated so that a portion thereof extends into said annular groove and another portion thereof extends into the opening in the central arm of said E-sealing ring.
Claim 2
Dependent Claim 149 words
A sealing ring assembly comprising a spacer plate and at least one resilient metal sealing ring approximately E-shaped in radial cross section secured inside an aperture in said spacer plate, the outer arms of said E-sealing ring having a sinuous configuration, the central arm of said E-sealing ring being a loop open on the outer edge thereof and having at least a portion of its two sides out of contact with each other, the portion of said spacer plate defining said aperture encircling said Esealing ring and having an annular groove on the inner surface thereof, said groove being aligned with the opening of the loop on the central arm of said E-sealing ring, another ring encircling said E-sealing ring and being situated so that a portion thereof extends into said annular groove and another portion thereof extends into the opening in the central arm of said E-sealing ring.
Claim 3
Dependent Claim 19 words
The sealing ring assembly as defined in claim 1 wherein said last mentioned ring is a split wire ring.
Claim 4
Dependent Claim 42 words
The sealing ring assembly as defined in claim 1 wherein the outer arms of said E-sealing ring at least partially surround a portion of an elastomeric sealing ring, a metallic ring being held adjacent to the inside surface of the elastomeric ring.
Claim 5
Dependent Claim 20 words
The sealing ring assembly as defined in claim 1 wherein said spacer plate contains one aperture and one E-sealing ring.
Claim 6
Dependent Claim 23 words
The sealing ring assembly as defined in claim 1 wherein said spacer plate contains a plurality of apertures, each containing an E-sealing ring.
Claim 7
Dependent Claim 40 words
The sealing ring assembly as defined in claim 1 and further including a pair of relatively moveable flange members which, in combination with said spacer plate define between them a cavity and means for urging the flange members into engagement.
Claim 8
Dependent Claim 39 words
The sealing ring assembly defined in claim 3 and further including a pair of relatively moveable flange members which, in combination with said retaining ring, define between them a cavity and means for urging the flange members into engagement.

References Cited (Backward Citations)

US2339479A Cited
US2462762A Cited
US2474790A Cited
US2442312A Cited
US3285632A Cited
US3595588A Cited
US3704021A Cited
US3633928A Cited
US3761102A Cited
US3797836A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-12-30 1978-07-01 1978-12-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-12-30 1982-07-01 1982-12-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-12-30 1986-07-01 1986-12-31 $7700.00 Window Closed / Lapsed

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