WO1989005533A1 - Method and sealing element for sealed leading of cables through an opening in a wall of a cabinet containing electrical equipment, and use of a tool for leading a cable through a sealing element - Google Patents
Method and sealing element for sealed leading of cables through an opening in a wall of a cabinet containing electrical equipment, and use of a tool for leading a cable through a sealing element Download PDFInfo
- Publication number
- WO1989005533A1 WO1989005533A1 PCT/SE1988/000618 SE8800618W WO8905533A1 WO 1989005533 A1 WO1989005533 A1 WO 1989005533A1 SE 8800618 W SE8800618 W SE 8800618W WO 8905533 A1 WO8905533 A1 WO 8905533A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plate
- sealing element
- cable
- cables
- wall
- Prior art date
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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/12—Distribution boxes; Connection or junction boxes for flush mounting
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/305—Cable entries
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/081—Bases, casings or covers
- H02G3/083—Inlets
Definitions
- a further drawback of conventional lead-in flanges is that they require a special fitting and a matching rubber seal for each hole and cable.
- the diameter of such fittings is fairly large, and to tighten the fittings a big space around each cable is necessary.
- the fittings further demand a great deal of work for mounting of the cables.
- the flange first used must be replaced by a flange having a different, matching pattern of holes.
- the present invention aims at obviating the above drawbacks of conventional lead-in flanges in cabinets containing electrical equipment, and at creating oppor ⁇ tunities for simple, quick and conveniently performed leading-in of electric cables or other conductors.
- this is achieved by a method which is characterised in that a plate of elastic material, such as rubber or plastic, and preferably of uniform thickness is used as a sealing element completely covering the opening in the wall of the cabinet, and that for each cable, there is cut, without removing any material, a slit in said elastic plate, and that each cable is forced through said slit, while pressing aside and compressing the elastic material in the area of the slit.
- the invention also relates to a sealing element for carrying out the method and a tool for leading a cable through the sealing element.
- the characteristic features of the sealing element and the tool are stated in the appended claims.
- a further essential advantage is that one or more cables already mounted can be removed- from the installation by simply being withdrawn from the plate which because of its elastic properties then automatically fills up the cavity earlier occupied by the cable. If one or more cables are removed, the sealing plate itself thus need not be replaced, which results in great cost savings both in storing of sealing elements and in dismounting and remounting of cables in the installation.
- FR 1,540,647, FR 2,171,021, SE 354,387 and DE 2,109,548 disclose plates or elements which are adapted to lead cables to switch cabinets or the like and which are at least partly made of elastic material.
- a common feature of these prior art lead-in plates is that for each cable they are provided with a preformed membrane or thin part which is readily penetrated to leave a permanent hole. This means that the hole remains open if the associated cable is later removed, and the lead-in plate must thus in its entirety be replaced by a new plate, in case the wiring of the installation need be rearranged.
- the lead-in membranes are further prefabricated in given patterns which restrict the electrician's liberty to arrange the wires in any desired manner when leading the wires into the cabinet.
- GB Patent Specification 1,507,027 discloses a sealing device for electric cables or conductors, which is based on the use of a rubber plate having one or more holes and mounted in a sleeve-coupling comprising at least two parts which via a screw joint can be tightened relative to each other, while the material of the rubber plate is being compressed to cause the rubber to sealingly engage the conductor! s) passed through the respective holes in the rubber plate.
- the holes can be provided just prior to use
- the inventive idea which can be read from the publication is entirely limited to the concept of providing, in one way or another (by drilling, cutting or punching), precisely holes, i.e. areas in which material has been removed, in the rubber plate. After the holes have been made, they remain irrevocably in the rubber plate which thus must be discarded and replaced by a new lead-in plate in case of rearrangement of the wires.
- SE 7809750-8
- Fig. 1 is an exploded view of different parts included in the sealing or lead-in element according to the invention
- Fig. 2 is a perspective view of the same element mounted in a cabinet.
- a casing containing electrical equipment is designated 1.
- the casing may consist of a simple switch box, a cabinet or a large switchboard.
- a wall 2 of the cabinet 1 there is formed an opening 3 which can preferably be of standard design having a rectangular shape with bevelled corners.
- the wall 2 is provided with four threaded holes 4 for a corresponding number of fixing screws 5.
- This lead-in plate 7 may preferably have a thickness of 10-15 mm and be made of pure rubber in which a reinforcement layer 8 suitably consisting of tow or ' woven textile fabric of some suitable kind is embedded or vulcanised.
- This reinforcement layer 8 gives the rubber plate 7 excellent rigidness and stability ensuring that each cable or wire 6 is automatically retained in its mounted position, without the tendency of the rubber to return to its original shape being lost.
- Four holes 9 are formed in the rubber plate 7 which match the holes 4 in the wall 2 of the cabinet 1.
- the plate 7 is adapted to coact with a frame 10 of metal or rigid plastic which has a through opening 11 of the same shape, in this case substantially rectangular, as the opening 3 in the cabinet 1.
- the frame 10 also has four holes 12 whose mutual positions correspond to the positions of the holes 9 in the plate 7 and the holes 4 in the cabinet 1.
- the frame 10 itself can suitably be made of thin metal sheet which is compression moulded, while forming both inner edge portions 13 which extend perpendicular away from the planar sheet metal web and are pressed into the rubber plate 7 as the fixing screws 5 are being tightened, and slightly more shallow outer edge portions 14 em ⁇ bracing and protecting the edge portions of the rubber plate 7 in the mounted state.
- a tool generally designated 15 comprises a handle 16 and, extending therefrom, a metal blade 17 of arcuate cross section which tapers successively from the handle 16 to a narrow front tip 18.
- the handle 16 is formed with a successively tapering rounded recess 19 along which a cable 6 can easily slide.
- the leading in of a cable 6 by means of the tool 15 is carried out in the following manner.
- an arcuate slit 20 is formed which widens as the tool moves through the plate.
- the cable 6 is passed through the slit 20 thus cut, the cable being kept in engagement with the inside of the blade 17.
- the rubber material in the area of the slit is pressed aside and compressed. This means that the cable is automatically firmly pinched by the rubber material when the cable front end has been passed through the rubber plate and the tool 15 has been removed. After mounting, the cable will thus be retained in its given position solely by the pressure applied to the cable by the compressed rubber material.
- this pressure also provides for an extremely tight seal between the cable and the surrounding rubber material. If an individual cable is to be removed after some time, it can be disconnected from the associated connecting means in the cabinet 1 and be withdrawn through the lead-in plate 7 in one motion. Then the rubber material which enclosed the cable returns to its original shape while filling up the space pre ⁇ viously occupied by the cable. In other words, the cable leaves but the arcuate cut as shown at 20. In actual practice, the cut is completely sealed, which means that after removal of the cable the sealing action of the rubber plate is intact.
- the invention is, of course, not limited merely - to the embodiment described above and shown in the drawing.
- inventive lead-in plate of some material other than rubber, e.g. various types of plastic.
- shape of the lead-in plate can deviate from the one shown. The essential* thing is that the plate fully covers and seals the opening in the wall to which it is applied. It may further be pointed out that the slit which is cut in the plate can have a shape other than arcuate, e.g. a linear shape.
- the fixing frame of metal, it is possible - and in practice preferred - to use plastic. It may finally be mentioned that the frame as well as the lead-in plate can be attached to the cabinet in some other manner than by screws, for example by means of so-called drivable rivets or other types of rapidly applicable fixing means.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
- Installation Of Indoor Wiring (AREA)
- Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO902432A NO175658C (en) | 1987-12-04 | 1990-05-31 | Method and sealing element for sealed conducting of cables through an opening in a wall of a cabinet containing electrical equipment and using a tool for conducting a cable through a sealing element |
DK135290A DK165862C (en) | 1987-12-04 | 1990-05-31 | PROCEDURE AND SEALING ELEMENT FOR SEALED PIPE THROUGH AN OPENING IN A ROAD IN A CABINET CONTAINING ELECTRICAL EQUIPMENT AND USING A TOOL TO PUT A CABLE THROUGH A CABLE |
FI902770A FI90810C (en) | 1987-12-04 | 1990-06-04 | Method and closure element for passing wires in a sealed manner through an opening in the wall of a cabinet or housing containing electrical accessories, and using a tool to pass the cable through the closure element |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8704862-5 | 1987-12-04 | ||
SE8704862A SE458490B (en) | 1987-12-04 | 1987-12-04 | PROCEDURES AND CONNECTING ELEMENTS FOR SUCCESSFUL IMPLEMENTATION OF CABLES THROUGH AN OPENING DISPOSABLE WALL FOR A CABINET OR ANY CONTENT OF ELECTRICAL MATERIALS AND THE USE OF A TOOL ACCOMPANYING A PERFORMANCE THROUGH AN IMPLEMENTATION THROUGH. |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1989005533A1 true WO1989005533A1 (en) | 1989-06-15 |
Family
ID=20370504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1988/000618 WO1989005533A1 (en) | 1987-12-04 | 1988-11-16 | Method and sealing element for sealed leading of cables through an opening in a wall of a cabinet containing electrical equipment, and use of a tool for leading a cable through a sealing element |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0390836A1 (en) |
AU (1) | AU2793489A (en) |
DK (1) | DK165862C (en) |
FI (1) | FI90810C (en) |
NO (1) | NO175658C (en) |
SE (1) | SE458490B (en) |
WO (1) | WO1989005533A1 (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5871914A (en) * | 1993-06-03 | 1999-02-16 | Intelligene Ltd. | Method for detecting a nucleic acid involving the production of a triggering RNA and transcription amplification |
US6057099A (en) * | 1994-12-02 | 2000-05-02 | Intelligene Ltd. | Detection of nucleic acid sequences |
DE29912630U1 (en) * | 1999-07-23 | 2000-12-07 | Asecos Gmbh | Arrangement for installation facilities |
US6200753B1 (en) | 1993-06-03 | 2001-03-13 | Intelligene Ltd. | Detection of nucleic acid sequences |
EP1150404A1 (en) * | 2000-04-27 | 2001-10-31 | Schneider Electric Industries SA | Housing for electrical devices having a cable feedthrough |
EP1217703A1 (en) * | 2000-12-22 | 2002-06-26 | Inventio Ag | Control box for elevator |
US6538199B2 (en) | 2000-12-22 | 2003-03-25 | Inventio Ag | Control box for an elevator |
FR2856203A1 (en) * | 2003-06-13 | 2004-12-17 | Paul Sibert | Cable gland installing method, involves conjugating or complementing right section of housing with cable section, and drilling orifice in upper compression disc that is interposed between cap and joint |
EP2139086A1 (en) * | 2008-06-26 | 2009-12-30 | Schneider Electric Industries SAS | Flexible membrane gland plate |
EP2461443A1 (en) * | 2010-12-02 | 2012-06-06 | Schneider Electric Industries SAS | Plug for electric duct |
EP2515397A1 (en) * | 2011-04-18 | 2012-10-24 | ABB Technology AG | Fastening and separating assembly for a switchgear panel |
DE102018109331A1 (en) * | 2018-04-19 | 2019-10-24 | Bimed Teknik Aletler Sanayi Ve Ticaret A.S. | Strand guiding device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1630420A (en) * | 1925-12-22 | 1927-05-31 | Garland Richard | Plugging knife |
GB1507027A (en) * | 1975-04-30 | 1978-04-12 | Hawke Cable Glands Ltd | Sealing device |
-
1987
- 1987-12-04 SE SE8704862A patent/SE458490B/en not_active IP Right Cessation
-
1988
- 1988-11-16 AU AU27934/89A patent/AU2793489A/en not_active Abandoned
- 1988-11-16 WO PCT/SE1988/000618 patent/WO1989005533A1/en active IP Right Grant
- 1988-11-16 EP EP89900335A patent/EP0390836A1/en not_active Withdrawn
-
1990
- 1990-05-31 DK DK135290A patent/DK165862C/en not_active IP Right Cessation
- 1990-05-31 NO NO902432A patent/NO175658C/en unknown
- 1990-06-04 FI FI902770A patent/FI90810C/en not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1630420A (en) * | 1925-12-22 | 1927-05-31 | Garland Richard | Plugging knife |
GB1507027A (en) * | 1975-04-30 | 1978-04-12 | Hawke Cable Glands Ltd | Sealing device |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5871914A (en) * | 1993-06-03 | 1999-02-16 | Intelligene Ltd. | Method for detecting a nucleic acid involving the production of a triggering RNA and transcription amplification |
US6200753B1 (en) | 1993-06-03 | 2001-03-13 | Intelligene Ltd. | Detection of nucleic acid sequences |
US6057099A (en) * | 1994-12-02 | 2000-05-02 | Intelligene Ltd. | Detection of nucleic acid sequences |
DE29912630U1 (en) * | 1999-07-23 | 2000-12-07 | Asecos Gmbh | Arrangement for installation facilities |
EP1150404A1 (en) * | 2000-04-27 | 2001-10-31 | Schneider Electric Industries SA | Housing for electrical devices having a cable feedthrough |
FR2808409A1 (en) * | 2000-04-27 | 2001-11-02 | Schneider Electric Ind Sa | ENCLOSURE FOR ELECTRICAL APPLIANCES |
EP1217703A1 (en) * | 2000-12-22 | 2002-06-26 | Inventio Ag | Control box for elevator |
US6538199B2 (en) | 2000-12-22 | 2003-03-25 | Inventio Ag | Control box for an elevator |
FR2856203A1 (en) * | 2003-06-13 | 2004-12-17 | Paul Sibert | Cable gland installing method, involves conjugating or complementing right section of housing with cable section, and drilling orifice in upper compression disc that is interposed between cap and joint |
WO2005006511A1 (en) * | 2003-06-13 | 2005-01-20 | Paul Sibert | Gland for sealed passage of cables, assembly kit and installation method thereof |
EP2139086A1 (en) * | 2008-06-26 | 2009-12-30 | Schneider Electric Industries SAS | Flexible membrane gland plate |
EP2461443A1 (en) * | 2010-12-02 | 2012-06-06 | Schneider Electric Industries SAS | Plug for electric duct |
FR2968471A1 (en) * | 2010-12-02 | 2012-06-08 | Schneider Electric Ind Sas | CAP FOR ELECTRICAL SHEATH |
EP2515397A1 (en) * | 2011-04-18 | 2012-10-24 | ABB Technology AG | Fastening and separating assembly for a switchgear panel |
WO2012143237A1 (en) * | 2011-04-18 | 2012-10-26 | Abb Technology Ag | Fastening and separating assembly for a switchgear panel |
DE102018109331A1 (en) * | 2018-04-19 | 2019-10-24 | Bimed Teknik Aletler Sanayi Ve Ticaret A.S. | Strand guiding device |
US11114219B2 (en) | 2018-04-19 | 2021-09-07 | Bimed Teknik Aletler Sanayi Ve Ticaret A.S. | Strand leadthrough device |
Also Published As
Publication number | Publication date |
---|---|
DK165862C (en) | 1993-06-21 |
DK165862B (en) | 1993-01-25 |
EP0390836A1 (en) | 1990-10-10 |
NO175658C (en) | 1994-11-30 |
DK135290D0 (en) | 1990-05-31 |
SE8704862D0 (en) | 1987-12-04 |
SE458490B (en) | 1989-04-03 |
FI90810C (en) | 1994-03-25 |
NO902432L (en) | 1990-07-16 |
FI902770A0 (en) | 1990-06-04 |
NO902432D0 (en) | 1990-05-31 |
DK135290A (en) | 1990-06-01 |
FI90810B (en) | 1993-12-15 |
AU2793489A (en) | 1989-07-05 |
NO175658B (en) | 1994-08-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO1989005533A1 (en) | Method and sealing element for sealed leading of cables through an opening in a wall of a cabinet containing electrical equipment, and use of a tool for leading a cable through a sealing element | |
US5352850A (en) | Junction box | |
US3392228A (en) | Gasket for weather-proofing junction box | |
JP2001169420A (en) | Gas insulation switch gear | |
AU657812B2 (en) | A cable sleeve composed of a longitudinally-divided housing | |
US3255302A (en) | Molded insulation casing | |
US4103136A (en) | Switch housing with cable seal | |
GB2335082A (en) | Electrical enclosure having sealing and shielding component incorporating wire mesh and foam | |
GB2121134A (en) | Electronic connector box | |
EP1330147B1 (en) | Modular control housing | |
FI114256B (en) | Modular system for cover frames | |
EP0899843A2 (en) | Panel provided with at least one entry, and a junction box provided with such a panel | |
US5004115A (en) | Acoustically insulating electrical box | |
CA2421472A1 (en) | Insulating unit for an electrical box | |
DE19850693B4 (en) | Pressure gas insulated switchgear | |
JPS63174502A (en) | Apparatus for installing electric equipment at opening of switchboard in tightly sealing manner | |
CN217333869U (en) | Waterproof foot switch of multichannel | |
CN215267603U (en) | Water vapor blocking wiring device | |
JP3500947B2 (en) | Airproof packing | |
KR200214270Y1 (en) | Switch board | |
JPS6111955Y2 (en) | ||
EP0154287A2 (en) | A tight door for electric switchboards | |
EP0467041A2 (en) | Composite body, process and device for fabricating such a composite body | |
CA2018541A1 (en) | Electrical appliance | |
CN115000728A (en) | Power system relay protection network safety protection equipment and use method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AT AU BB BG BR CH DE DK FI GB HU JP KP KR LK LU MC MG MW NL NO RO SD SE SU US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE BJ CF CG CH CM DE FR GA GB IT LU ML MR NL SE SN TD TG |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1989900335 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 902770 Country of ref document: FI |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 1989900335 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1989900335 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 902770 Country of ref document: FI |