US4300408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control cable
Assignee: Hi Lex Corp
•
Filing: 1980-02-22
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Granted: 1981-11-17
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Expires: 2000-02-22
Abstract
Abstract A control cable comprising an inner cable, a conduit and a lubricating layer interposed between, formed from a composition of high density polyethylene powders or pellets and a fluoro-alkylated silicone oil, thereby improving the slippage and the wear resistance of an inner cable, and being superior to endurance over a long period of time.
Inventors
- 👤 Junnosuke Yoshifuji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:05
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/24; F16C1/10; F16C1/20; F16C1/26; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20456
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
47 words
In a control cable comprising an inner cable and a conduit, the improvement which comprises a lubricating layer, which is formed from a composition obtained by admixing high density polyethylene powders or pellets and a fluoro-alkylated silicone oil, being interposed between the inner cable and the conduit.
Claim 2
Dependent Claim
47 words
In a control cable comprising an inner cable and a conduit, the improvement which comprises a lubricating layer, which is formed from a composition obtained by admixing high density polyethylene powders or pellets and a fluoro-alkylated silicone oil, being interposed between the inner cable and the conduit.
Claim 3
Dependent Claim
19 words
The control cable of claim 1, wherein said lubricating layer is a coating layer provided on the inner cable.
Claim 4
Dependent Claim
21 words
The control cable of claim 1, wherein said lubricating layer is a liner interposed between the inner cable and the conduit.
Claim 5
Dependent Claim
19 words
The control cable of claim 3, wherein said liner is fixed at at least a part of the conduit.
Claim 6
Dependent Claim
30 words
The control cable of claim 1, wherein said high density polyethylene powders or pellets have the density of 0.900 to 0.958, and the average molecular weight of 150,000 to 200,000.
Claim 7
Dependent Claim
14 words
The control cable of claim 1, wherein said fluoro-alkylated silicone oil is a trifluoro-propylmethyl-silicone.
Claim 8
Dependent Claim
35 words
The control cable of claim 1, wherein said composition is an admixture of 100 parts by weight of high density polyethylene powders or pellets and 0.5 to 3 parts by weight of fluoro-alkylated silicone oil.
References Cited (Backward Citations)
US3729415A
Cited
US3779918A
Cited
JPS465321A
Cited
US3980570A
Cited
US4193319A
Cited
US4065395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-11-16 | 1985-05-18 | 1985-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-16 | 1989-05-18 | 1989-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-16 | 1993-05-18 | 1993-11-17 | $7700.00 | Window Closed / Lapsed |