US3830953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cable sealant
Assignee: Lear Corp EEDS and Interiors
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Filing: 1971-08-16
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Granted: 1974-08-20
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Expires: 1991-08-16
Abstract
Abstract A cable sealant to seal the voids between the strands of electrical and similar cables to prevent water flow through same and to seal the cable elements from the atmosphere. The preferred cable sealant composition comprises about 20 percent by weight ethylene propylene rubber copolymer, about 30 percent polypropylene, about 23 percent polyethylene, and 27 percent paraffinic hydrocarbons. A small amount of colorant such as iron oxide is normally added to this composition, which is blended to form the cable sealant. A method of sealing cable by filling the voids between cable strands with the above composition at a temperature preferably in the range between 225* and 275*F.
Inventors
- 👤 J Wood
- 👤 L Strecker
- 👤 R Cratz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:25
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/28; H01B7/282; H01B7/285; Y; Y02; Y02A; Y02A30/00; Y02A30/14; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20456
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
65 words
A cable comprising at least one strand, a cover surrounding said strand, and void space between said strand and said cover, wherein said void space is filled with a composition of matter comprising a normally non-curing blend of from about a. 15-25 percent by weight of ethylene propylene rubber, b. 25-35 percent of atactic polypropylene, c. 18-27 percent of polyethylene, d. 22-32 percent paraffinic oil.
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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) | 1977-08-19 | 1978-02-18 | 1978-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-19 | 1982-02-18 | 1982-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-19 | 1986-02-18 | 1986-08-20 | $7700.00 | Window Closed / Lapsed |