EP0731991A1 - Borne etanche pour fil enrobe denude - Google Patents
Borne etanche pour fil enrobe denudeInfo
- Publication number
- EP0731991A1 EP0731991A1 EP95901458A EP95901458A EP0731991A1 EP 0731991 A1 EP0731991 A1 EP 0731991A1 EP 95901458 A EP95901458 A EP 95901458A EP 95901458 A EP95901458 A EP 95901458A EP 0731991 A1 EP0731991 A1 EP 0731991A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wire
- terminal
- body member
- sleeve
- fastening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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
La présente invention concerne une borne étanche pour fil enrobé dénudé. Cette borne se compose d'un corps (1) et d'un manchon (2) conique de fixation raccordé au corps, ainsi que d'un dispositif de serrage (3) permettant de fixer la borne à un isolant. Le corps (1) est pourvu d'un espace (9) destiné à recevoir l'extrémité du fil, cet évidement étant dans le prolongement axial du raccord (2) de fixation en forme de manchon. Le coprs (1) est muni de vis assurant le contact électrique entre l'extrémité du fil introduite dans ledit couplage (9) et le corps (1). Un élément de couplage (4) permet de serrer un fil de branchement en contact avec le corps (1). La contrainte de traction du fil est absorbée grâce à un élément crénelé (7) situé dans le manchon conique (2).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI935338A FI93596C (fi) | 1993-11-30 | 1993-11-30 | Päällystetyn avojohdon tiivis pääte |
FI935338 | 1993-11-30 | ||
PCT/FI1994/000531 WO1995015593A1 (fr) | 1993-11-30 | 1994-11-29 | Borne etanche pour fil enrobe denude |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0731991A1 true EP0731991A1 (fr) | 1996-09-18 |
Family
ID=8539047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95901458A Withdrawn EP0731991A1 (fr) | 1993-11-30 | 1994-11-29 | Borne etanche pour fil enrobe denude |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0731991A1 (fr) |
AU (1) | AU1068895A (fr) |
CZ (1) | CZ282466B6 (fr) |
FI (1) | FI93596C (fr) |
HU (1) | HU216031B (fr) |
NO (1) | NO962193L (fr) |
PL (1) | PL175370B1 (fr) |
SK (1) | SK65796A3 (fr) |
WO (1) | WO1995015593A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2744289B1 (fr) * | 1996-01-29 | 1998-04-30 | App Mat Elect Const | Connecteur de derivation pour cable souterrain |
Family Cites Families (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 (fr) * | 1972-06-27 | 1974-02-01 | Verlant Et Beau Ain |
-
1993
- 1993-11-30 FI FI935338A patent/FI93596C/fi active
-
1994
- 1994-11-29 HU HUP9601444A patent/HU216031B/hu not_active IP Right Cessation
- 1994-11-29 SK SK657-96A patent/SK65796A3/sk unknown
- 1994-11-29 AU AU10688/95A patent/AU1068895A/en not_active Abandoned
- 1994-11-29 CZ CZ961539A patent/CZ282466B6/cs not_active IP Right Cessation
- 1994-11-29 EP EP95901458A patent/EP0731991A1/fr not_active Withdrawn
- 1994-11-29 PL PL94314682A patent/PL175370B1/pl unknown
- 1994-11-29 WO PCT/FI1994/000531 patent/WO1995015593A1/fr not_active Application Discontinuation
-
1996
- 1996-05-29 NO NO962193A patent/NO962193L/no unknown
Non-Patent Citations (1)
Title |
---|
See references of WO9515593A1 * |
Also Published As
Publication number | Publication date |
---|---|
CZ153996A3 (en) | 1996-11-13 |
AU1068895A (en) | 1995-06-19 |
PL175370B1 (pl) | 1998-12-31 |
HUT76212A (en) | 1997-07-28 |
FI93596C (fi) | 1995-04-25 |
HU216031B (hu) | 1999-04-28 |
NO962193D0 (no) | 1996-05-29 |
FI935338A0 (fi) | 1993-11-30 |
WO1995015593A1 (fr) | 1995-06-08 |
SK65796A3 (en) | 1997-02-05 |
CZ282466B6 (cs) | 1997-07-16 |
PL314682A1 (en) | 1996-09-16 |
NO962193L (no) | 1996-05-29 |
FI93596B (fi) | 1995-01-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19960607 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT ES GB GR IE PT SE |
|
17Q | First examination report despatched |
Effective date: 19990308 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Withdrawal date: 19990525 |