WO1995011542A1 - Cable sleeve - Google Patents
Cable sleeve Download PDFInfo
- Publication number
- WO1995011542A1 WO1995011542A1 PCT/US1994/011143 US9411143W WO9511542A1 WO 1995011542 A1 WO1995011542 A1 WO 1995011542A1 US 9411143 W US9411143 W US 9411143W WO 9511542 A1 WO9511542 A1 WO 9511542A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- core
- sealed
- cable portion
- elastic
- covering member
- 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.)
- Ceased
Links
Classifications
-
- 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
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
-
- 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
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
Definitions
- the present invention relates to a covering device for a cable or the like.
- the covering device has a hollow cylindrical core formed by releasably bonding a strip member to be in a spiral shape having an inner diameter larger than an outer diameter of the cable connection area, and a hollow cylindrical elastic covering member mounted on the outer periphery of the core in an expanded state.
- this covering device In use, this covering device is placed at a position to cover the cable connection, and the strip member is pulled out so that the covering member closely covers the cable connecting portion as the core is gradually removed.
- the strip member may be difficult to remove from the covering device due to snagging or friction and there is the risk of breakage of the strip. Further, such a device may be inconvenient to use in that it is necessary to pull out the strip member while rotating the same in the direction of the spiral, otherwise the strip member will be entwined with the cable. In addition, once the core is broken by removal of the strip member, the core cannot be reused.
- an object of the present invention is to provide a reasonable and economical covering device by which the covering operation can easily be carried out and the reuse of waste material is possible.
- the present invention provides a covering device comprising an elastic covering member in a hollow cylindrical shape, having an inner diameter in a contracted state smaller than an outer diameter of a cable portion to be sealed, and a core in a hollow cylindrical shape, having an inner diameter larger than an outer diameter of the cable portion to be sealed, on the outer periphery of which the elastic covering member is mounted in an expanded state, the elastic covering member and core being arranged while surrounding the cable portion to be sealed so that the contracted elastic covering member closely covers the cable portion to be sealed when the core is pulled out therefrom.
- a slip member having a low friction is interposed between the inner periphery of the elastic member and the outer periphery of the core.
- the slip member has a hollow cylindrical shape, and the slip member and the core are connected with each other in an end-to-end manner.
- the core may be formed into a cylindrical shape by bending a rectangular sheet member and detachably connecting the opposite edges of the sheet member with each other.
- Figure 1 is a longitudinal side cross-sectional view of a covering device according to a first embodiment of the present invention.
- Figure 2 is a view similar to that of Figure 1 with a core portion of the invention partially removed.
- Figure 3 is a perspective view of a core of the embodiment of Figure 1.
- Figure 4 is a longitudinal side sectional view of a covering device according to a second embodiment of the present invention with a core portion partially removed.
- Figure 5 is a view similar to that of Figure 4 with the core further removed.
- Figure 6 is a perspective view of a core of the embodiment of Figure 4.
- Figures 1, 2 and 3 illustrate a first embodiment of the present invention
- Figures 3, 4 and 5 illustrate a second embodiment.
- a core 11 of this embodiment is formed, as shown in Figure 3 by bending a rectangular piece of sheet made of thermoplastic resin such as polypropylene, polyamide, or polyethylene so that a pair of opposite edges thereof confront and can be detachably connected with each other, for example, by a male-female engagement, to form a hollow cylindrical tube.
- thermoplastic resin such as polypropylene, polyamide, or polyethylene
- the cylindrical core 11 has a sufficient mechanical strength and rigidity not to collapse due to reasonable external forces exerted on it and has an inner diameter larger than an outer diameter of a cable portion or the like to be sealed (not shown) .
- a hollow cylindrical slip member 13 is first mounted on the core 11 and, then a hollow cylindrical elastic covering member 15 is mounted onto the outer periphery of the slip member 13 while maintaining the covering member 15 in an expanded state.
- the cylindrical slip member 13 is formed, for example, by a thin wall perforated material, meshed material, or other suitable material. Silicone oil, petroleum-based lubricant or the like may be impregnated in or surface-coated on these materials or in accordance with the present invention.
- the cylindrical elastic member 15 is formed, for example, from a rubber material and has an inner diameter in a natural state (or a contracted state) smaller than an outer diameter of the cable portion or the like to be sealed (not shown) .
- the covering device as assembled in Figure 1 is placed surrounding the cable portion or the like to be sealed (not shown) .
- the elastic covering member 15, together with the slip member 13 closely covers the cable portion to be sealed while contracting in diameter.
- the core 11 can be easily and smoothly pulled out due to low friction of the slip member 13 interposed between the inner periphery of the elastic covering member 15 and the outer periphery of the core 11.
- the operation for pulling out the core can very easily be carried out because it is unnecessary to rotate the core 11 as it is removed. Also, there is no risk of breakage of the strip member forming the core.
- the core 11 since the core 11 is developed in a sheet form, it can be readily detached from the cable or the like and repeatedly reused without any special attendance. Of course, the core 11 could be formed as a solid tube, but then it would have to be cut to be removed from the cable .
- the slip member 13 may be left in the elastic covering member in a use for sealing a cable connecting portion, instead of being pulled out therefrom.
- the slip member may be removed from the elastic covering member. In the latter case, the slip member can easily be removed due to its excellent slipperiness even after the elastic covering member is contracted.
- a core 31 according to this embodiment is formed as a hollow cylindrical structure in which the core 11 and the slip member 13 of the first embodiment are fixed with each other in an end- to-end manner as an integral body.
- the core and the slip member may be fixed to each other at an overlapped area, provided it causes no obstacle against the removal of the core.
- Both the members may be formed as an integral body by an injection molding process or connected by means of an adhesive, adherent tape or mechanical fastener.
- the core 31 can be developed from a rectangular sheet by using a male- female engagement as in the embodiment of Figures 1-3.
- the core section 31a and the slippery section 31b may be prepared as an integral rectangular sheet from the same material, or may be separately prepared by different materials and then connected with each other to be in a rectangular form.
- the materials used in this embodiment are the same or similar to those used in the first embodiment.
- the core section 31a of the cylindrical core 31 has a sufficient mechanical strength and rigidity not to collapse due to the outer force, and the slippery section 31b is formed of a thin perforated material, meshed material, or other suitable material.
- an elastic covering member 15 is mounted in an expanded state, while the slippery section 31b in a folded position is interposed between the core section and the elastic covering member (see Figure 4) .
- the covering device thus-structured is placed to surround a cable portion or the like to be sealed (not shown) .
- the elastic covering member 15 closely covers the cable portion to be sealed (not shown) while contracting its diameter, as shown in Figure 5. Since the slippery section 31b provided between the inner periphery of the elastic covering member 15 and the outer periphery of the core section 31a has low surface friction, the core section 31a can be easily pulled out together with the slippery section 31b.
- the slippery section 31b corresponding to the slip member 13 can be repeatedly reused.
- a pull tab may be provided on the core for enhancing the pulling-out of the core. Since the slip member interposed between the inner periphery of the elastic covering member and the outer periphery of the core has a good slipperiness, the core is smoothly and easily pulled out, even though the elastic covering member is mounted thereon in an expanded state, whereby the elastic covering member can closely cover the cable portion or the like to be sealed while contracting its diameter.
- the slip member and the core are connected with each other in an end-to-end manner, the slip member can be pulled out together with the core.
Landscapes
- Cable Accessories (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Processing Of Terminals (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP94930544A EP0724788A1 (en) | 1993-10-21 | 1994-09-30 | Cable sleeve |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5/263602 | 1993-10-21 | ||
| JP26360293A JP3359959B2 (en) | 1993-10-21 | 1993-10-21 | Coating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1995011542A1 true WO1995011542A1 (en) | 1995-04-27 |
Family
ID=17391827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1994/011143 Ceased WO1995011542A1 (en) | 1993-10-21 | 1994-09-30 | Cable sleeve |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0724788A1 (en) |
| JP (1) | JP3359959B2 (en) |
| CA (1) | CA2172810A1 (en) |
| WO (1) | WO1995011542A1 (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5735981A (en) * | 1993-04-07 | 1998-04-07 | Raychem Limited | Substrate covering |
| US6245999B1 (en) | 1996-12-19 | 2001-06-12 | Raychem Limited | Cable enclosure arrangement |
| WO2003028182A1 (en) * | 2001-09-21 | 2003-04-03 | 3M Innovative Properties Company | Multi-part insulating cover |
| US6911596B2 (en) | 2001-05-15 | 2005-06-28 | 3M Innovative Properties Company | Method for covering an article with a tubular cover member, tubular cover member and covered article |
| EP1852949A1 (en) | 2006-05-05 | 2007-11-07 | 3M Innovative Properties Company | Tubular terminal for a cable |
| WO2007130811A2 (en) | 2006-05-05 | 2007-11-15 | 3M Innovative Properties Company | Tubular terminal for a cable |
| US20100025076A1 (en) * | 2008-07-30 | 2010-02-04 | Tyco Electronics Uk Ltd | Method of cable assembly |
| WO2010091017A1 (en) | 2009-02-05 | 2010-08-12 | 3M Innovative Properties Company | Splice assembly with shield sock |
| EP2608338A1 (en) | 2011-12-21 | 2013-06-26 | 3M Innovative Properties Company | Terminal connection device for a power cable |
| WO2013096145A3 (en) * | 2011-12-20 | 2013-10-03 | 3M Innovative Properties Company | Low friction sleeve for cold shrink tube |
| EP2991179A1 (en) | 2014-08-27 | 2016-03-02 | Nexans | Device for installing a retractable sheath on an electrical arrangement |
| EP3125386A1 (en) | 2015-07-28 | 2017-02-01 | Societe Industrielle de Construction d'Appareils et de Materiel Electriques | Unit for tightly covering an elongate element with a resilient protective sleeve |
| US9742180B2 (en) | 2013-06-26 | 2017-08-22 | 3M Innovative Properties Company | Power cable terminal connection device |
| US20240006866A1 (en) * | 2022-06-30 | 2024-01-04 | 3M Innovative Properties Company | Covering tool and covering method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2592825A1 (en) * | 1986-01-13 | 1987-07-17 | Artema | Auxiliary positioning sleeve, device provided with such a sleeve and corresponding positioning method |
| WO1994023480A1 (en) * | 1993-04-07 | 1994-10-13 | Raychem Limited | Substrate covering |
-
1993
- 1993-10-21 JP JP26360293A patent/JP3359959B2/en not_active Expired - Lifetime
-
1994
- 1994-09-30 EP EP94930544A patent/EP0724788A1/en not_active Withdrawn
- 1994-09-30 WO PCT/US1994/011143 patent/WO1995011542A1/en not_active Ceased
- 1994-09-30 CA CA 2172810 patent/CA2172810A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2592825A1 (en) * | 1986-01-13 | 1987-07-17 | Artema | Auxiliary positioning sleeve, device provided with such a sleeve and corresponding positioning method |
| WO1994023480A1 (en) * | 1993-04-07 | 1994-10-13 | Raychem Limited | Substrate covering |
Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5735981A (en) * | 1993-04-07 | 1998-04-07 | Raychem Limited | Substrate covering |
| US6245999B1 (en) | 1996-12-19 | 2001-06-12 | Raychem Limited | Cable enclosure arrangement |
| US6911596B2 (en) | 2001-05-15 | 2005-06-28 | 3M Innovative Properties Company | Method for covering an article with a tubular cover member, tubular cover member and covered article |
| WO2003028182A1 (en) * | 2001-09-21 | 2003-04-03 | 3M Innovative Properties Company | Multi-part insulating cover |
| EP1852949A1 (en) | 2006-05-05 | 2007-11-07 | 3M Innovative Properties Company | Tubular terminal for a cable |
| WO2007130811A2 (en) | 2006-05-05 | 2007-11-15 | 3M Innovative Properties Company | Tubular terminal for a cable |
| US7767909B2 (en) | 2006-05-05 | 2010-08-03 | 3M Innovative Properties Company | Tubular terminal for a cable |
| US20100025076A1 (en) * | 2008-07-30 | 2010-02-04 | Tyco Electronics Uk Ltd | Method of cable assembly |
| WO2010091017A1 (en) | 2009-02-05 | 2010-08-12 | 3M Innovative Properties Company | Splice assembly with shield sock |
| US8445783B2 (en) | 2009-02-05 | 2013-05-21 | 3M Innovative Properties Company | Splice assembly with shield sock |
| WO2013096145A3 (en) * | 2011-12-20 | 2013-10-03 | 3M Innovative Properties Company | Low friction sleeve for cold shrink tube |
| CN103999307A (en) * | 2011-12-20 | 2014-08-20 | 3M创新有限公司 | Low friction sleeve for cold shrink tube |
| US9136687B2 (en) | 2011-12-20 | 2015-09-15 | 3M Innovative Properties Company | Low friction sleeve for cold shrink tube |
| CN103999307B (en) * | 2011-12-20 | 2016-12-21 | 3M创新有限公司 | Low friction sleeves for cold shrink tubing |
| EP2608338A1 (en) | 2011-12-21 | 2013-06-26 | 3M Innovative Properties Company | Terminal connection device for a power cable |
| EP2698891A1 (en) | 2011-12-21 | 2014-02-19 | 3M Innovative Properties Company | Terminal connection device for a power cable |
| US9960530B2 (en) | 2011-12-21 | 2018-05-01 | 3M Innovative Properties Company | Terminal connection device for a power cable |
| WO2013096354A1 (en) | 2011-12-21 | 2013-06-27 | 3M Innovative Properties Company | Terminal connection device for a power cable |
| US9429594B2 (en) | 2011-12-21 | 2016-08-30 | 3M Innovative Properties Company | Terminal connection device for a power cable |
| US9742180B2 (en) | 2013-06-26 | 2017-08-22 | 3M Innovative Properties Company | Power cable terminal connection device |
| FR3025365A1 (en) * | 2014-08-27 | 2016-03-04 | Nexans | DEVICE FOR INSTALLING A RETRACTABLE SLEEVE ON AN ELECTRICAL ARRANGEMENT |
| EP2991179A1 (en) | 2014-08-27 | 2016-03-02 | Nexans | Device for installing a retractable sheath on an electrical arrangement |
| FR3039717A1 (en) * | 2015-07-28 | 2017-02-03 | Soc Ind De Construction D'appareils Et De Materiel Electriques | ASSEMBLY FOR COVERING ENSERREMENT WITH AN ELASTIC PROTECTIVE TUBULAR BODY |
| EP3125386A1 (en) | 2015-07-28 | 2017-02-01 | Societe Industrielle de Construction d'Appareils et de Materiel Electriques | Unit for tightly covering an elongate element with a resilient protective sleeve |
| US9972990B2 (en) | 2015-07-28 | 2018-05-15 | Societe Industrielle De Construction D'appareils Et De Materiel Electriques | Assembly for tightly covering an elongate member with a protective elastic tubular body |
| US20240006866A1 (en) * | 2022-06-30 | 2024-01-04 | 3M Innovative Properties Company | Covering tool and covering method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3359959B2 (en) | 2002-12-24 |
| CA2172810A1 (en) | 1995-04-27 |
| EP0724788A1 (en) | 1996-08-07 |
| JPH07123561A (en) | 1995-05-12 |
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