US3622008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compression gasket and screen assembly
Assignee: Watts Water Technologies Inc
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Filing: 1969-12-22
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Granted: 1971-11-23
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Expires: 1989-12-22
Abstract
Abstract The combination of a compressible gasket having a circumferential groove in its inner periphery with a screen fitting within the inner periphery of the gasket and having a rim disposed in the inner groove. The screen is gripped by the gasket hen the gasket is placed under compression.
Inventors
- 👤 Nicholas A Mucci
- 👤 John W Rhine
- 👤 Harry J Wonderland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:46
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/24; B; B01; B01D; B01D29/00; B01D29/01; B01D29/05; B01D29/96
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
74 words
A compressible gasket of the spiral-wound type composed of a metal strip having a central groove and a strip of compressible material wound in alternate convolutions with the groove disposed at the inner periphery of the gasket and a screen dimensioned to fit within the inner periphery of said gasket, said screen having a peripheral rim of a size to enter said inner peripheral groove for securing the screen in place in said gasket.
Claim 2
Dependent Claim
74 words
A compressible gasket of the spiral-wound type composed of a metal strip having a central groove and a strip of compressible material wound in alternate convolutions with the groove disposed at the inner periphery of the gasket and a screen dimensioned to fit within the inner periphery of said gasket, said screen having a peripheral rim of a size to enter said inner peripheral groove for securing the screen in place in said gasket.
Claim 3
Dependent Claim
31 words
The invention set forth in claim 1 in which said screen comprises a plurality of laminations each of which have mesh openings of different size, said rim securing said laminations together.
Claim 4
Dependent Claim
32 words
The invention set forth in claim 1 including a centering ring disposed around the outer periphery of said gasket and adapted to form a stop to limit the compression of said gasket.
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) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |