Patent US3758916A successfully refreshed from Google Patents.
US3758916A
Expired / Lapsed
US
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Heat recoverable article and process
Assignee: Raychem Corp
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Filing: 1972-12-06
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Granted: 1973-09-18
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Expires: 1992-12-06
Abstract
Abstract A heat recoverable article having intersticed walls, the interstices being filled with a compressible fluid so that the wall thickness of the article can be varied without appreciably varying the length of the article, together with the process of making such articles.
Inventors
- 👤 J Wetmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:10
CPC Classifications
F; F16; F16L; F16L5/00; F16L5/02; F16L5/14; B; B29; B29C; B29C61/00; B29C61/04; B29C65/00; B29C65/66; B29C65/68; Y; Y10; Y10S; Y10S174/00; Y10S174/08; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
48 words
A heat recoverable article comprising a member having a passageway therethrough, said member comprising intersticed material having the property of elastic memory whereby the lateral dimension of said passageway and the lateral dimension of said member can be altered without substantially changing the longitudinal dimension of said member.
Claim 2
Dependent Claim
48 words
A heat recoverable article comprising a member having a passageway therethrough, said member comprising intersticed material having the property of elastic memory whereby the lateral dimension of said passageway and the lateral dimension of said member can be altered without substantially changing the longitudinal dimension of said member.
Claim 3
Dependent Claim
13 words
The article of claim 1 wherein said member is fabricated of foamed material.
Claim 4
Dependent Claim
16 words
The article of claim 1 wherein said member is fabricated of material having holes formed therein.
Claim 5
Dependent Claim
15 words
The article of claim 3 wherein said holes are elongated and parallel to said passageway.
Claim 6
Dependent Claim
31 words
The heat recoverable article of claim 1 wherein said lateral dimension of said passageway can be altered to decrease and said lateral dimension of said member can be altered to increase.
Claim 7
Dependent Claim
79 words
A heat recoverable article comprising a cylindrical member containing at least one passageway therethrough, said passageway being parallel to the longitudinal axis of said cylinder, said member comprising intersticed material having the property of elastic memory imparted thereto whereby the raising of the temperature of said member to its heat recovery temperature causes the lateral dimension of said passageway to decrease and the lateral dimension of said member to increase without substantially changing the longitudinal dimension of said member.
Claim 8
Dependent Claim
79 words
A heat recoverable article comprising a cylindrical member containing at least one passageway therethrough, said passageway being parallel to the longitudinal axis of said cylinder, said member comprising intersticed material having the property of elastic memory imparted thereto whereby the raising of the temperature of said member to its heat recovery temperature causes the lateral dimension of said passageway to decrease and the lateral dimension of said member to increase without substantially changing the longitudinal dimension of said member.
References Cited (Backward Citations)
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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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |