US3783972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire lubricating device
Assignee: Individual
•
Filing: 1971-12-16
•
Granted: 1974-01-08
•
Expires: 1991-12-16
Abstract
Abstract A wire lubricating device for lubricating cable to facilitate sliding the cable through conduit. The device is a hollow cylindrical tube section which fits around the wire and holds the lubricant under pressure therein. Apertures juxtaposed to the cable spread the lubricant on the cable as it passes through the device.
Inventors
- 👤 D Molstad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:34
CPC Classifications
D; D07; D07B; D07B7/00; D07B7/02; D07B7/12; F; F16; F16N; F16N2210/00; F16N2210/34
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
114 words
A lubricating device comprising: a tank having a passageway enabling a cable to pass therethrough, said tank comprising a hollow cylindrical tubular section having inner walls and outer walls, said inner walls being contiguous to said cable passing therethrough, said inner walls being threadably attached to a conduit so that the cables can pass from the device into the conduit, lubricant supply means for supplying said lubricant to said tank, a plurality of spaced apart apertures communicating between said tank and said passageway, and said lubricant supply means including means to apply pressure to said tank whereby said lubricant is extruded through said apertures and applied evenly to said cable passing through said passageway.
Claim 2
Dependent Claim
114 words
A lubricating device comprising: a tank having a passageway enabling a cable to pass therethrough, said tank comprising a hollow cylindrical tubular section having inner walls and outer walls, said inner walls being contiguous to said cable passing therethrough, said inner walls being threadably attached to a conduit so that the cables can pass from the device into the conduit, lubricant supply means for supplying said lubricant to said tank, a plurality of spaced apart apertures communicating between said tank and said passageway, and said lubricant supply means including means to apply pressure to said tank whereby said lubricant is extruded through said apertures and applied evenly to said cable passing through said passageway.
Claim 3
Dependent Claim
36 words
The device of claim 1, and wherein said means for supplying lubricants under pressure comprises a fitting on said outer wall, pump means attached to said fitting for supplying the lubricant under pressure to said tank.
References Cited (Backward Citations)
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Cited
US2435120A
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US3306581A
Cited
US3363879A
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US3459156A
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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) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |