US3854003A - Electrical connection for aerated insulation coaxial cables - Google Patents
Electrical connection for aerated insulation coaxial cables Download PDFInfo
- Publication number
- US3854003A US3854003A US00444066A US44406674A US3854003A US 3854003 A US3854003 A US 3854003A US 00444066 A US00444066 A US 00444066A US 44406674 A US44406674 A US 44406674A US 3854003 A US3854003 A US 3854003A
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- shells
- external conductors
- conductors
- insulating
- internal
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/085—Cable junctions for coaxial cables or hollow conductors
Definitions
- ABSTRACT Connection for joining end to end, two sections of coaxial cable, comprising two metallic half-shells having elastic and truncated cone-shaped ends, by centering and fixing the half-shells round the central conductor of the sections and of the ends of their external conductors and clamping the ends of the half-shells onto the ends of the external conductors.
- the invention has for its object a connection for effecting the end-to-end joining of two sections of coaxial cables, more particularly those having aerated insulation by such means as disks or helicoidal elements, or
- tubes nipped at regular intervals, or disks covered with a tube or a tape are nipped at regular intervals, or disks covered with a tube or a tape.
- connection of this invention is characterised in that it comprises certain elements.
- Two insulating end members which ensure simultaneously the centering of the conductor and a mechanical reinforcing, are each fitted to the central conductor of a section of cable and each is inserted in the end of the external conductor of respective sections.
- Two metallic half-shells whose ends are chamfered externally and provided with longitudinal slots, bear against the ends of the external conductors of the two sections.
- Twometallic rings having a truncated cone shaped internal profile bear respectively against each end of the two half-shells.
- a cylindrical metallic sleeve having threaded ends covers the two half-shells and the ends of the external conductors of the two sections.
- Two nuts are fitted onto the external conductors of I the twosections and cooperate with the threads of the cylindrical sleeve to clamp the connection assembly.
- FIG. 1 is-a longitudinal cut-away'view tion of this invention in one form.
- FIG. 2 is a, sectional view of the metallic sleeve forming a part of the connection of FIG; -1.
- FIG. 3 is an end view of the sleeve of FIG. 2.
- central conductors l and l are connectedtogether at3 by a conventional means, such as welding, brazing or crimping, which does not comewithin the scope of the present invention.
- An insulating centering washer 4 is advantageously placed at that point.
- An insulating end member 5 comprising, at its external surface, a groove 54 and ending at one end me stop flange 6 is inserted in the end of each section such as 2.
- That endpiece is preferably made of a material having simultaneously a fairly great mechanical strength and good electrical characteristics such as permittivity of the, connecand angle of losses as a function of the frequency, such as, by way of an example having no limiting character, polyphenylene oxyde.
- Each of these half-shells comprises ends such as 8, 8', externally chamfered and provided with a certain number of radially disposed longitudinally extending slots such as 9, 9' in order to give then a certain elasticity.
- the said ends such as 8, 8 are provided, preferably internally, with serrations in order to be fixed better to the ends of the external conductors such as 2, as shown on FIG. 1.
- the said ends comprises also an internal transversal groove 10 in which is accomodated and fixed the flange 6 of the end piece 5.
- the half-shells comprise, at their middle, an internal transversal groove 11 in which is accomodated and fixed the central washer 4 (FIGS. 1 and 2).
- a ring 12 having a truncated cone shaped internal profile is fitted onto the ends such as 8, 8 of the halfshells 7, 7
- the metallic sleeve 13, threaded at its ends advantageously having in its middle part, flats such as 14, en-
- That assembly may then be covered, wholly or only at its ends, with a plastic intermediate sheath, which is .possibly thermo-shrinkable, which provides the fluidtight sealing of the connection and which, moreover,
- the improvement comprising: an insulating end member fitted into each of the external conductors, and receiving the central conductor and having a flange abutting the end of the external conductor and wherein the two half-shells each have an internal groove which receives the flange of a respective end member, a ring having a tapered internal surface facing the ends of said half-shell, the ends of saidhalfshells being chamfered on their outer surfaces and provided with longitudinal slots, wherein the two nuts are screwed into the internal threads of the sleeve and sections of ternal ends of the half-shells are threaded for better adherence to the external conductors of the two sections.
Abstract
Connection for joining end to end, two sections of coaxial cable, comprising two metallic half-shells having elastic and truncated cone-shaped ends, by centering and fixing the halfshells round the central conductor of the sections and of the ends of their external conductors and clamping the ends of the half-shells onto the ends of the external conductors.
Description
United States Patent [1 1 Duret Dec. 10, 1974 [75] Inventor:
[ 1 ELECTRICAL CONNECTION FOR AERATED INSULATION COAXIAL CABLES Jean Duret, Lyon, France [73] Assignee: Les Cables De Lyon, Lyon Cedex,
France I [22] Filed: Feb. 20, 1974 [21] Appl. No.: 444,066
[30] Foreign Application Priority Data Feb. 26,.1973 France 73.6732
[52] US. Cl 174/88 C, 29/628, 174/91, 339/89 C, 339/176R [51] Int. Cl H02g 15/08 [58] I Field of Search l74/75C, 88 C, 89, 91,
174/92; 339/89 C, 89M, 176 R; 29/628, 629
[56] References Cited.
UNITED STATES PATENTS Schoenbom 174/88 C Alford 174/88 C X 2,538,225 1/1951 2,657,252 10/1953 Mildner et a1. 174/88 C 3,813,479 5/1974 Olivero 174/88 C Primary Examiner-Darrell L. Clay Attorney, Agent, or Firm-Sughrue, Rothwell, Mion, Zinn & Macpeak [5 7] ABSTRACT Connection for joining end to end, two sections of coaxial cable, comprising two metallic half-shells having elastic and truncated cone-shaped ends, by centering and fixing the half-shells round the central conductor of the sections and of the ends of their external conductors and clamping the ends of the half-shells onto the ends of the external conductors.
6 Claims, ,3 Drawing Figures PATENTED'DEBI oism 1 ELECTRICAL CONNECTION FOR AERATED INSULATION COAXIAL CABLES BACKGROUND OF THE INVENTION A Field of the Invention The invention has for its object a connection for effecting the end-to-end joining of two sections of coaxial cables, more particularly those having aerated insulation by such means as disks or helicoidal elements, or
tubes nipped at regular intervals, or disks covered with a tube or a tape.
SUMMARY OF THE INVENTION The connection of this invention is characterised in that it comprises certain elements. 1
Two insulating end members, which ensure simultaneously the centering of the conductor and a mechanical reinforcing, are each fitted to the central conductor of a section of cable and each is inserted in the end of the external conductor of respective sections.
Two metallic half-shells, whose ends are chamfered externally and provided with longitudinal slots, bear against the ends of the external conductors of the two sections.
Twometallic rings having a truncated cone shaped internal profile bear respectively against each end of the two half-shells.
A cylindrical metallic sleeve having threaded ends, covers the two half-shells and the ends of the external conductors of the two sections.
Two nuts are fitted onto the external conductors of I the twosections and cooperate with the threads of the cylindrical sleeve to clamp the connection assembly.
'BRlEF DESCRIPTION OF THE DRAWINGS FIG. 1 is-a longitudinal cut-away'view tion of this invention in one form. l
FIG. 2 is a, sectional view of the metallic sleeve forming a part of the connection of FIG; -1.
FIG. 3 is an end view of the sleeve of FIG. 2.
In these Figures, 1 and lidesignate the central conductorsofth'e two sections to bejoined together and 2 designates the external conductor of one of the said sections. e
The central conductors l and l are connectedtogether at3 by a conventional means, such as welding, brazing or crimping, which does not comewithin the scope of the present invention.
An insulating centering washer 4 is advantageously placed at that point. a
An insulating end member 5 comprising, at its external surface, a groove 54 and ending at one end me stop flange 6 is inserted in the end of each section such as 2. That endpiece is preferably made of a material having simultaneously a fairly great mechanical strength and good electrical characteristics such as permittivity of the, connecand angle of losses as a function of the frequency, such as, by way of an example having no limiting character, polyphenylene oxyde.
Two metallic half-shells 7, 7, which may be better seen in FIGS. 2 and 3, bear against the ends of the external conductors such as 2.
Each of these half-shells comprises ends such as 8, 8', externally chamfered and provided with a certain number of radially disposed longitudinally extending slots such as 9, 9' in order to give then a certain elasticity.
The said ends such as 8, 8 are provided, preferably internally, with serrations in order to be fixed better to the ends of the external conductors such as 2, as shown on FIG. 1.
The said ends comprises also an internal transversal groove 10 in which is accomodated and fixed the flange 6 of the end piece 5.
Lastly, the half-shells comprise, at their middle, an internal transversal groove 11 in which is accomodated and fixed the central washer 4 (FIGS. 1 and 2).
A ring 12 having a truncated cone shaped internal profile is fitted onto the ends such as 8, 8 of the halfshells 7, 7
The metallic sleeve 13, threaded at its ends advantageously having in its middle part, flats such as 14, en-
abling it to be fixed to prevent its rotation, is fitted onto the assembly thus constituted.
Lastly, nuts such as 15, fitted onto the external conductors of the two sections, co-op'erate with the thread ing of the ends of the sleeve 13. It will be observed that when these nuts are tightened, they push the rings 12 whose inclined side clamps the elastic ends 8, 8' of the half-shells 7, 7 on the ends of the external conductors 2. These latter, reinforced by the end members 5, are slightly deformed due to the existence of the groove 5A and connected closely by mechanical clamping at the ends of the half-shells 7, 7'.
That assembly may then be covered, wholly or only at its ends, with a plastic intermediate sheath, which is .possibly thermo-shrinkable, which provides the fluidtight sealing of the connection and which, moreover,
may, to great advantage, bewelded or cemented to an half-shells and being internally threaded at its ends, and
a nut fitted onto each of said conductors and screwed onto the ends of said sleeve clamping the device to the external conductors, the improvement comprising: an insulating end member fitted into each of the external conductors, and receiving the central conductor and having a flange abutting the end of the external conductor and wherein the two half-shells each have an internal groove which receives the flange of a respective end member, a ring having a tapered internal surface facing the ends of said half-shell, the ends of saidhalfshells being chamfered on their outer surfaces and provided with longitudinal slots, wherein the two nuts are screwed into the internal threads of the sleeve and sections of ternal ends of the half-shells are threaded for better adherence to the external conductors of the two sections.
5. The device according to claim 1, wherein the end members and the insulating disk are made of an insulating material having great mechanical strength and good electrical properties.
6. The device according to claim 5, wherein the insulating material is polyphenylene oxide.
* k IR
Claims (6)
1. In a device connecting together the external conductors of two sections of disk-insulated coaxial cables whose inner conductors are also connected, said device including two metallic half-shells arranged between the ends of said external conductors, a sleeve covering said half-shells and being internally threaded at its ends, and a nut fitted onto each of said conductors and screwed onto the ends of said sleeve clamping the device to the external conductors, the improvement comprising: an insulating end member fitted into each of the external conductors, and receiving the central conductor and having a flange abutting the end of the external conductor and wherein the two half-shells each have an internal groove which receives the flange of a respective end member, a ring having a tapered internal surface facing the ends of said half-shell, the ends of said half-shells being chamfered on their outer surfaces and provided with longitudinal slots, wherein the two nuts are screwed into the internal threads of the sleeve and clamping, by means of the rings, the ends of the half-shells onto the conductor.
2. The device according to claim 1, wherein: the insulating end members each have a peripheral groove into which the external conductors are deformed.
3. The device according to claim 1, wherein: an insulating and centering disk for the internal conductor is arranged within the half-shells, and received within fixing grooves of said half-shells.
4. The device according to claim 1, wherein: the internal ends of the half-shells are threaded for better adherence to the external conductors of the two sections.
5. The device according to claim 1, wherein the end members and the insulating disk are made of an insulating material having great mechanical strength and good electrical properties.
6. The device according to claim 5, wherein the insulating mAterial is polyphenylene oxide.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7306732A FR2219553B1 (en) | 1973-02-26 | 1973-02-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3854003A true US3854003A (en) | 1974-12-10 |
Family
ID=9115405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00444066A Expired - Lifetime US3854003A (en) | 1973-02-26 | 1974-02-20 | Electrical connection for aerated insulation coaxial cables |
Country Status (5)
Country | Link |
---|---|
US (1) | US3854003A (en) |
DE (1) | DE2405957C2 (en) |
FR (1) | FR2219553B1 (en) |
GB (1) | GB1452346A (en) |
IT (1) | IT1014567B (en) |
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US4493946A (en) * | 1979-02-23 | 1985-01-15 | Les Cables De Lyon | Device for connecting together the outer conductors of two coaxial pairs |
US5502280A (en) * | 1993-07-30 | 1996-03-26 | Etcon Corporation | Cable splice protector |
US5680495A (en) * | 1996-07-12 | 1997-10-21 | Bloom; Cary | Fiber optic device sealed by compressed metal seals and method for making the same |
US5760332A (en) * | 1993-07-30 | 1998-06-02 | Etcon Corporation | Cable splice protector |
US5764348A (en) * | 1996-10-01 | 1998-06-09 | Bloom; Cary | Optical switching assembly for testing fiber optic devices |
US5805757A (en) * | 1996-12-10 | 1998-09-08 | Bloom; Cary | Apparatus and method for preserving optical characteristics of a fiber optic device |
US5815619A (en) * | 1996-12-10 | 1998-09-29 | Bloom; Cary | Fiber optic connector hermetically terminated |
US5871559A (en) * | 1996-12-10 | 1999-02-16 | Bloom; Cary | Arrangement for automated fabrication of fiber optic devices |
US5917975A (en) * | 1996-12-10 | 1999-06-29 | Bloom; Cary | Apparatus for, and method of, forming a low stress tight fit of an optical fiber to an external element |
US5931983A (en) * | 1996-09-24 | 1999-08-03 | Bloom; Cary | Method of forming a fiber optic coupler by dynamically adjusting pulling speed |
US5971629A (en) * | 1996-07-12 | 1999-10-26 | Bloom; Cary | Apparatus and method bonding optical fiber and/or device to external element using compliant material interface |
US6000858A (en) * | 1996-07-12 | 1999-12-14 | Bloom; Cary | Apparatus for, and method of, forming a low stress tight fit of an optical fiber to an external element |
US6003341A (en) * | 1996-12-10 | 1999-12-21 | Bloom; Cary | Device for making fiber couplers automatically |
US6069320A (en) * | 1993-07-30 | 2000-05-30 | Etcon Corporation | Cable splice protector |
US6074101A (en) * | 1996-12-10 | 2000-06-13 | Bloom; Cary | Apparatus for, and method of, forming a low stress tight fit of an optical fiber to an external element |
US6177985B1 (en) | 1996-10-01 | 2001-01-23 | Cary Bloom | Apparatus and method for testing optical fiber system components |
US6444914B1 (en) * | 2001-05-30 | 2002-09-03 | Thunderbolt Enterprise Co., Ltd. | Clamping device for signal wires |
US6530807B2 (en) | 2000-05-10 | 2003-03-11 | Thomas & Betts International, Inc. | Coaxial connector having detachable locking sleeve |
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US20040206542A1 (en) * | 2003-04-15 | 2004-10-21 | Gladd Joseph Howard | Terminal assembly for a coaxial cable |
US20050136735A1 (en) * | 2003-12-17 | 2005-06-23 | Thomas & Betts International, Inc. | Coaxial connector having improved locking sleeve |
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US6112555A (en) * | 1996-09-24 | 2000-09-05 | Bloom; Cary | Method for changing incident heat and pulling of an optic fiber via monitoring of rate of change of coupling ratio |
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US9590287B2 (en) | 2015-02-20 | 2017-03-07 | Corning Optical Communications Rf Llc | Surge protected coaxial termination |
US10211547B2 (en) | 2015-09-03 | 2019-02-19 | Corning Optical Communications Rf Llc | Coaxial cable connector |
US9882320B2 (en) | 2015-11-25 | 2018-01-30 | Corning Optical Communications Rf Llc | Coaxial cable connector |
US9525220B1 (en) | 2015-11-25 | 2016-12-20 | Corning Optical Communications LLC | Coaxial cable connector |
Also Published As
Publication number | Publication date |
---|---|
FR2219553B1 (en) | 1977-07-29 |
DE2405957C2 (en) | 1984-07-19 |
GB1452346A (en) | 1976-10-13 |
DE2405957A1 (en) | 1974-08-29 |
FR2219553A1 (en) | 1974-09-20 |
IT1014567B (en) | 1977-04-30 |
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