US3871932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of connecting insulated conductors
Assignee: ANACONDA ACQUISITION Co
•
Filing: 1973-03-02
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Granted: 1975-03-18
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Expires: 1993-03-02
Abstract
Abstract Two insulated conductors, such as the ground check conductors of mining machine cables, are connected by stripping the insulation from a length of each conductor, folding back both lengths and compressing a metal sleeve over both of the stripped lengths and both of the insulated conductors.
Inventors
- 👤 Earl G Langenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:03
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/10; H01R4/18; H01R4/20
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
215 words
The method of splicing together first and second insulated conductors, each comprising a metallic strand and a tubular wall of insulation surrounding said strand, said wall having an outer peripheral surface, comprising the steps of: A. stripping lengths of said walls of insulation from the ends of each of said insulated conductors, thereby forming newly cut end faces in each of said walls and exposing end lengths of each of said strands, B. folding back each of said end lengths against said surface of the wall of insulation of its respective insulated conductor, C. overlaying the ends of said insulated conductors so that a substantial section of the folded back end length of the strand of one insulated conductor is coextensive with a substantial section of the folded-back end length of the other insulated conductor, D. fitting a metal ferrule around said first and second insulated conductors and both of the folded-back exposed strands while leaving both a substantial insulated portion and a substantial exposed strand portion of each insulated conductor projecting from each end of said ferrule, E. crimping said ferrule down upon both exposed end lengths of said insulated conductors and said surfaces so as to provide flared openings of said ferrule at both ends thereof, thereby holding said conductors firmly against separation.
Claim 2
Independent Claim
215 words
The method of splicing together first and second insulated conductors, each comprising a metallic strand and a tubular wall of insulation surrounding said strand, said wall having an outer peripheral surface, comprising the steps of: A. stripping lengths of said walls of insulation from the ends of each of said insulated conductors, thereby forming newly cut end faces in each of said walls and exposing end lengths of each of said strands, B. folding back each of said end lengths against said surface of the wall of insulation of its respective insulated conductor, C. overlaying the ends of said insulated conductors so that a substantial section of the folded back end length of the strand of one insulated conductor is coextensive with a substantial section of the folded-back end length of the other insulated conductor, D. fitting a metal ferrule around said first and second insulated conductors and both of the folded-back exposed strands while leaving both a substantial insulated portion and a substantial exposed strand portion of each insulated conductor projecting from each end of said ferrule, E. crimping said ferrule down upon both exposed end lengths of said insulated conductors and said surfaces so as to provide flared openings of said ferrule at both ends thereof, thereby holding said conductors firmly against separation.
Claim 3
Dependent Claim
26 words
The method of claim 1 wherein each of said strands comprises a plurality of wires wound in a short lay-length around a resiliently stretchable tensile member.
Claim 4
Dependent Claim
17 words
The method of claim 1 wherein said portions each exceeds the diameter of one of said strands.
Claim 5
Dependent Claim
39 words
The method of claim 1 wherein substantially equal lengths of said strands are exposed and the strand of each insulated conductor is overlaid substantially adjacent to the cut face of the wall of insulation of the other insulated conductor.
References Cited (Backward Citations)
US3124641A
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US2883220A
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US2889603A
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US2930113A
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US2963392A
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US3231964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |