Patent US7435129B2 successfully refreshed from Google Patents.
Patent US4450318A successfully refreshed from Google Patents.
US4450318A
Expired / Lapsed
US
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Means and method for providing insulation splice
Assignee: Siemens Energy and Automation Inc
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Filing: 1981-09-29
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Granted: 1984-05-22
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Expires: 2001-09-29
Abstract
Abstract An improved method of joining insulated conductors and providing a water-tight seal. The area about the joined conductors is filled with a putty-like insulation filler material and an O-ring placed on the conductor insulation, some distance from the joint. The joint, including the O-ring, is overtaped with resin-rich insulation tape and the tape is surrounded by a shrinkable polyester film. Heat is applied to partially cure the insulation tape, and to cause the polyester film to contract tightly about the joint.
Inventors
- 👤 Virgil R. Scardina, deceased
- 👤 executrix by Annette Scardina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:34
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/70; H02; H02G; H02G15/00; H02G15/08; H02G15/10; Y; Y10; Y10S; Y10S174/00; Y10S174/08
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
112 words
The method of forming a water-tight splice in the insulation of two electrical cables, comprising the steps of securing the ends of the conductors of the cables together in electrically conductive relationship; applying an insulative filler material having a putty-like consistency about the secured ends of the conductors; disposing an O-ring about the insulation of each of said cables at points spaced from the secured ends of the conductors; applying at least one layer of a flexible tape extending from the insulation of one cable to that of the other and covering said O-rings; disposing a layer of shrinkable insulating material over said tape; and causing said shrinkable insulating material to shrink.
Claim 2
Independent Claim
112 words
The method of forming a water-tight splice in the insulation of two electrical cables, comprising the steps of securing the ends of the conductors of the cables together in electrically conductive relationship; applying an insulative filler material having a putty-like consistency about the secured ends of the conductors; disposing an O-ring about the insulation of each of said cables at points spaced from the secured ends of the conductors; applying at least one layer of a flexible tape extending from the insulation of one cable to that of the other and covering said O-rings; disposing a layer of shrinkable insulating material over said tape; and causing said shrinkable insulating material to shrink.
Claim 3
Dependent Claim
18 words
The method defined in claim 1, wherein heat is applied to cause said shrinkable insulating material to shrink.
Claim 4
Dependent Claim
41 words
The method defined in claim 2, wherein said tape is a flexible resin-filled tape, and wherein the application of heat is sufficient to both cause said shrinkable material to contract, and to at least partly cure the resin in said tape.
Claim 5
Dependent Claim
15 words
The method defined in claim 3, wherein said shrinkable insulating material is a polyester film.
Claim 6
Dependent Claim
15 words
The method defined in claim 4, wherein said filler material is comprised of silicone rubber.
Claim 7
Dependent Claim
19 words
The method defined in claim 4, wherein the exterior surfaces of said cables are generally circular in cross section.
Claim 8
Independent Claim
122 words
The method of forming a water-tight insulation joint about the insulation of an electrical cable having an exposed conductor portion, comprising the steps of applying an insulation material having a putty-like consistency about the exposed conductor portion; disposing an O-ring about the insulation of said cable at a point spaced from the exposed portion of the conductor; applying at least one layer of a flexible insulation material extending from a point on the cable insulation lying on the other side of said O-ring from the exposed conductor, across the O-ring, and at least about the area of the exposed conductor; disposing a layer of shrinkable insulating material over said layer of flexible insulation material; and causing said shrinkable insulating material to contract.
Claim 9
Independent Claim
122 words
The method of forming a water-tight insulation joint about the insulation of an electrical cable having an exposed conductor portion, comprising the steps of applying an insulation material having a putty-like consistency about the exposed conductor portion; disposing an O-ring about the insulation of said cable at a point spaced from the exposed portion of the conductor; applying at least one layer of a flexible insulation material extending from a point on the cable insulation lying on the other side of said O-ring from the exposed conductor, across the O-ring, and at least about the area of the exposed conductor; disposing a layer of shrinkable insulating material over said layer of flexible insulation material; and causing said shrinkable insulating material to contract.
Claim 10
Dependent Claim
17 words
The method defined in claim 7, wherein heat is applied to cause said shrinkable material to contract.
Claim 11
Dependent Claim
15 words
The method defined in claim 8, wherein said flexible insulation material comprises a resin-filled tape.
Claim 12
Dependent Claim
106 words
An improved water-tight insulating joint for an insulated cable having a section of exposed conductor, comprising a mass of insulation material disposed about said exposed conductor; an O-ring disposed about the insulation of said cable at a point spaced from said exposed conductor; at least one layer of resin-filled tape extending from a point on said insulation spaced from said O-ring, on the side of the O-ring remote from the exposed conductor, at least to a point about said exposed conductor; and a layer of shrinkable polyester material extending over said resin-filled tape, said polyester material exerting a compressive stress on said tape and said O-ring.
Claim 13
Dependent Claim
106 words
An improved water-tight insulating joint for an insulated cable having a section of exposed conductor, comprising a mass of insulation material disposed about said exposed conductor; an O-ring disposed about the insulation of said cable at a point spaced from said exposed conductor; at least one layer of resin-filled tape extending from a point on said insulation spaced from said O-ring, on the side of the O-ring remote from the exposed conductor, at least to a point about said exposed conductor; and a layer of shrinkable polyester material extending over said resin-filled tape, said polyester material exerting a compressive stress on said tape and said O-ring.
Claim 14
Dependent Claim
25 words
The invention defined in claim 10, wherein said mass of insulative material is formed by disposing a putty-like mass of said material about said conductor.
Claim 15
Dependent Claim
20 words
The invention defined in claim 11, wherein said compressive force is provided by applying heat to said shrinkable polyester material.
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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) | 1987-05-22 | 1987-11-21 | 1988-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-22 | 1991-11-21 | 1992-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-22 | 1995-11-21 | 1996-05-22 | $7700.00 | Window Closed / Lapsed |