WO1995015593A1 - Sealed terminal for a coated open wire - Google Patents
Sealed terminal for a coated open wire Download PDFInfo
- Publication number
- WO1995015593A1 WO1995015593A1 PCT/FI1994/000531 FI9400531W WO9515593A1 WO 1995015593 A1 WO1995015593 A1 WO 1995015593A1 FI 9400531 W FI9400531 W FI 9400531W WO 9515593 A1 WO9515593 A1 WO 9515593A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wire
- terminal
- body member
- sleeve
- fastening
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/26—End pieces terminating in a screw clamp, screw or nut
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
- H01R4/44—Clamping areas on both sides of screw
Definitions
- the present invention relates to a sealed terminal for a coated open wire, comprising a body member, a clamp element included in the body member for fastening the terminal to an insulator, a coupling for connecting a branch wire, and a sleeve-like fastening socket provided with fastening ele ⁇ ments for taking up the mechanical stresses of a wire.
- the end of a wire is stripped of the wire insulation over a certain distance and the sealing is effected by means of separate protectors, ⁇ such as e.g. shrinking plastics, used for surrounding the junction point between a terminal and a wire.
- separate protectors ⁇ such as e.g. shrinking plastics
- the branch wire is connected by means of a separate coupling or cable grips which must be clamped around the wire with a tool.
- the prior known terminals With the prior known terminals, the electrical contact is poor because of a plurality of coupling transition points.
- the prior known terminals include at least 3-4 transfer resistances produced by transitions.
- the prior known terminals are relatively long, making the installation thereof inconvenient.
- An object of the invention is to provide an improved sealed terminal capable of utilizing a per se known automatically locking fastening sleeve for taking up the stresses of a wire while reducing the number of transfer resistances to at least two and reducing the terminal length for an improved installability.
- fig. 1 shows a sealed terminal of the invention in a side view and partially cut away
- fig. 2 is a plan view of the same terminal.
- the terminal includes a body member 1 which is made of profiled aluminium and provided with a fastening element 3 for attaching the terminal to an insulator.
- the body 1 is provided with a longitudinal extension which is a sleeve-like fastening socket 2, comprising a conical sleeve provided thereinside are wedge elements 7 clamping against the surface of a wire.
- a spring 8 is used for bias ⁇ ing the wedge elements 7 towards the tapering direction of the cone 2 whereby, upon the insertion of a wire, the wedge elements 7 are able to yield as the spring 8 is compressing.
- the wedge elements 7 clamp with a major force against the wire surface providing a locking which takes up the mechanical tensile stress.
- Such sleeve-like fastening sockets are prior known. In the inven ⁇ tion, however, it is used for providing a novel type of assembly with the body member 1.
- the body 1 is provided with a wire-end receiving space 9 included in the axial extension of said sleeve-like fastening socket 2.
- the body member 1 includes threaded holes, provided with moment screws 10 whose ends extend inside the space 9 and provide an electrical contact as the screws 10 are tightened against the wire end within the space 9.
- the body 1 is fitted a coupling element 4 (in the present case, two elements side by side) by using screws 14.
- the coupling elements 4 and the body 1 are provided with a first pair of jaws, said jaws including meshed surfaces provided with teeth 5 capable of piercing the wire insulation.
- a second pair of jaws includes meshed or contact surfaces 6, between which can be fitted a flash barrier horn or a working earth conductor.
- the teeth 5 may have a length sufficient for piercing the branch wire coating and, thus, the branch wire coating need not be stripped off.
- the fastening cone 2 is connected to the body as follows.
- the base portion of said fastening cone or sleeve 2 is surrounded by a locking ring 11 which is fastened with screws 13 to brackets 15 included in the bottom of the body 1.
- the base of said fastening cone or sleeve 2 is provided with an annular bulge or boss 12, fitted between the bottom of the body 1 and the locking ring 11.
- this annular boss 12 engages behind the locking ring 11 and transmits the tensile stress of a wire from the sleeve or cone 2 to the locking ring 11 from which the stress or loading transmits by way of the screws 13 to the body member 1.
- the electrical contact need not be carried over the transition point between the sleeve or cone 2 and the body member 1 but the electrical contact is produced directly on the aluminium body 1 as the end of a wire is located within the space 9.
- the wedge elements 7 can be provided with teeth capable of piercing the wire coating. This solution is particularly useful in the case when the body 1 and the fastening cone 2 are made in a single piece. Thus, the end of a wire need not be stripped off but a sufficient electrical contact is obtained by means of teeth capable of piercing the coating.
Landscapes
- Cable Accessories (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CZ961539A CZ282466B6 (en) | 1993-11-30 | 1994-11-29 | Sealed terminal for outside conductor with insulation layer |
EP95901458A EP0731991A1 (en) | 1993-11-30 | 1994-11-29 | Sealed terminal for a coated open wire |
SK657-96A SK65796A3 (en) | 1993-11-30 | 1994-11-29 | Sealed terminal for a coated open wire |
AU10688/95A AU1068895A (en) | 1993-11-30 | 1994-11-29 | Sealed terminal for a coated open wire |
PL94314682A PL175370B1 (en) | 1993-11-30 | 1994-11-29 | Sealed joint of a sheathed overhead conductor |
NO962193A NO962193L (en) | 1993-11-30 | 1996-05-29 | Sealed end connector for a coated air conductor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI935338A FI93596C (en) | 1993-11-30 | 1993-11-30 | Sealed clamp holder to a coated air line |
FI935338 | 1993-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995015593A1 true WO1995015593A1 (en) | 1995-06-08 |
Family
ID=8539047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FI1994/000531 WO1995015593A1 (en) | 1993-11-30 | 1994-11-29 | Sealed terminal for a coated open wire |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0731991A1 (en) |
AU (1) | AU1068895A (en) |
CZ (1) | CZ282466B6 (en) |
FI (1) | FI93596C (en) |
HU (1) | HU216031B (en) |
NO (1) | NO962193L (en) |
PL (1) | PL175370B1 (en) |
SK (1) | SK65796A3 (en) |
WO (1) | WO1995015593A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2744289A1 (en) * | 1996-01-29 | 1997-08-01 | App Mat Elect Const | BYPASS CONNECTOR FOR UNDERGROUND CABLE |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1712108A (en) * | 1926-10-01 | 1929-05-07 | Robert A Goeller | Connecter |
GB1197426A (en) * | 1969-05-13 | 1970-07-01 | Fargo Mfg Co Inc | Electric Cable Connector |
US3621413A (en) * | 1970-01-19 | 1971-11-16 | Bunker Ramo | Strain relief for electrical connectors |
FR2191814A5 (en) * | 1972-06-27 | 1974-02-01 | Verlant Et Beau Ain |
-
1993
- 1993-11-30 FI FI935338A patent/FI93596C/en active
-
1994
- 1994-11-29 PL PL94314682A patent/PL175370B1/en unknown
- 1994-11-29 AU AU10688/95A patent/AU1068895A/en not_active Abandoned
- 1994-11-29 EP EP95901458A patent/EP0731991A1/en not_active Withdrawn
- 1994-11-29 HU HUP9601444A patent/HU216031B/en not_active IP Right Cessation
- 1994-11-29 SK SK657-96A patent/SK65796A3/en unknown
- 1994-11-29 CZ CZ961539A patent/CZ282466B6/en not_active IP Right Cessation
- 1994-11-29 WO PCT/FI1994/000531 patent/WO1995015593A1/en not_active Application Discontinuation
-
1996
- 1996-05-29 NO NO962193A patent/NO962193L/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1712108A (en) * | 1926-10-01 | 1929-05-07 | Robert A Goeller | Connecter |
GB1197426A (en) * | 1969-05-13 | 1970-07-01 | Fargo Mfg Co Inc | Electric Cable Connector |
US3621413A (en) * | 1970-01-19 | 1971-11-16 | Bunker Ramo | Strain relief for electrical connectors |
FR2191814A5 (en) * | 1972-06-27 | 1974-02-01 | Verlant Et Beau Ain |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2744289A1 (en) * | 1996-01-29 | 1997-08-01 | App Mat Elect Const | BYPASS CONNECTOR FOR UNDERGROUND CABLE |
WO1997028578A1 (en) * | 1996-01-29 | 1997-08-07 | Societe Industrielle De Construction D'appareils Et De Materiel Electriques | Branching connector for an underground cable |
US6086406A (en) * | 1996-01-29 | 2000-07-11 | Societe Industrielle De Construction D'apareils Et De Materiel Electriques | Branching connector for an underground cable |
Also Published As
Publication number | Publication date |
---|---|
NO962193D0 (en) | 1996-05-29 |
CZ153996A3 (en) | 1996-11-13 |
AU1068895A (en) | 1995-06-19 |
FI935338A0 (en) | 1993-11-30 |
CZ282466B6 (en) | 1997-07-16 |
NO962193L (en) | 1996-05-29 |
PL175370B1 (en) | 1998-12-31 |
EP0731991A1 (en) | 1996-09-18 |
SK65796A3 (en) | 1997-02-05 |
HUT76212A (en) | 1997-07-28 |
FI93596B (en) | 1995-01-13 |
HU216031B (en) | 1999-04-28 |
FI93596C (en) | 1995-04-25 |
PL314682A1 (en) | 1996-09-16 |
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