KR200453553Y1 - Section connection set of mesh cable tray - Google Patents

Section connection set of mesh cable tray Download PDF

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Publication number
KR200453553Y1
KR200453553Y1 KR2020100012817U KR20100012817U KR200453553Y1 KR 200453553 Y1 KR200453553 Y1 KR 200453553Y1 KR 2020100012817 U KR2020100012817 U KR 2020100012817U KR 20100012817 U KR20100012817 U KR 20100012817U KR 200453553 Y1 KR200453553 Y1 KR 200453553Y1
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KR
South Korea
Prior art keywords
cable tray
mesh cable
warp
wire
plate connector
Prior art date
Application number
KR2020100012817U
Other languages
Korean (ko)
Inventor
심상인
Original Assignee
다모아산업주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 다모아산업주식회사 filed Critical 다모아산업주식회사
Priority to KR2020100012817U priority Critical patent/KR200453553Y1/en
Application granted granted Critical
Publication of KR200453553Y1 publication Critical patent/KR200453553Y1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/28—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for metal furniture parts
    • F16B12/30—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for metal furniture parts using threaded bolts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/26—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting the pipes all along their length, e.g. pipe channels or ducts
    • 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
    • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0437—Channels
    • H02G3/0443—Channels formed by wire or analogous netting
    • 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
    • H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0608—Joints for connecting non cylindrical conduits, e.g. channels
    • 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
    • H02G3/30—Installations of cables or lines on walls, floors or ceilings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Indoor Wiring (AREA)

Abstract

The present invention connects each section constituting the mesh cable tray to maintain a constant clearance so that the section connecting means is not loosened and firmly connected according to the flow of the mesh cable tray, and each section is connected easily and quickly. And a section connection set of the mesh cable tray which can minimize damage to the outer sheath of the cable.
The section connection set of the mesh cable tray according to the present invention has wire latching portions 14 and 15 at both ends such that the warp wireframes 65 and 66 extend from both ends of the mesh cable tray section. The plate connector to be formed, and weft wireframes 67 and 68 vertically coupled at both ends of the plate connector 10 and vertically bonded to the warp wireframe are seated on both ends of the plate connector 10, respectively. The side clamp formed with a wire seating portion 25 and a wire catching portion 26 and the warp wire frame 63 while being coupled with the shank bolt 41 and the nut 48 at the longitudinal center portion of the plate connector 10. Wires (34, 35) are formed so as to span the both ends, 64 to form a gap between the adjacent mesh cable tray sections (61, 62) It characterized in that it comprises a one-spaced clamp (30).

Description

SECTION CONNECTOR SET OF MESH CABLE TRAY}

The present invention relates to a section connecting set of a mesh cable tray, and more particularly, to connect each section constituting the mesh cable tray to maintain a constant clearance, so that the section connecting means is not loosened according to the flow of the mesh cable tray. It is directed to a section connection set of mesh cable trays that can be held in engagement and minimize the damage to the outer sheath of the cable while connecting each section easily and quickly.

Cable trays are typically installed on ceilings or walls to protect and align cables for power, control and communications. The cable tray is composed of a pair of side rails arranged at regular intervals and a plurality of rungs mounted at regular intervals between the side rails. It is installed and used.

On the other hand, there is a mesh cable tray (Mesh Cable Tray) consisting of the side rail and the rung constituting the cable tray in a wire frame.

Mesh cable trays composed of such wireframes are used to secure, support and protect elongated elements such as electric cables, but are also used for tubes such as hydraulic or pneumatic connection tubes. In the present invention, only the electric cable will be considered in consideration of the brevity and clarity of the description. However, the present invention can be sufficiently applied to other devices such as optical fibers besides the electric cable.

The mesh cable tray generally has a plurality of sections so that the shape of the cross section can be elongated in the U shape. Each such section has a longitudinal wireframe, commonly referred to as warp wireframe, and a transverse wireframe, called weft wireframe. This warp wireframe is a straight wireframe, the weft wireframe has a U-shape. All these wireframes are joined together in a spaced manner at regular intervals to form a mesh shape.

Accordingly, a mesh cable tray having a mesh structure having a bottom portion serving as a support for the electric cable and a side wall for holding the electric cable is realized.

On the other hand, the mesh cable tray is generally provided with a plurality of sections which are assembled adjacent to each other or angled to each other, or implement a bypass of T, X, Y, L, etc., connecting each of these sections For this purpose, it is known to use a connecting device, usually called a splice bar.

The splice bar generally consists of two connecting members for screwing two adjacent mesh cable tray sections, one connecting member being arranged outside of the cable tray and the other being arranged inside, These two connecting members secure the sandwich two warp wireframes at the ends by screws.

However, the splice bar as described above has a problem that the loosening occurs easily, or damage to the shell of the electric cable according to the flow of the mesh cable tray. In other words, in the event of impact or movement on a part of a plurality of mesh cable trays connected together, the entire mesh cable tray flows because the sections of the mesh cable trays are closely coupled to each other, so that the spools are joined to each section. There is a problem in that the maintenance cost of the mesh cable tray increases because the screw fixing the rice bar is more easily and frequently released. In addition, as the section of the mesh cable tray is released, there is a serious problem of increasing the friction with the electric cable and damaging the electric cable.

The present invention is to solve the above problems, an object of the present invention is to connect each section constituting the mesh cable tray having a certain clearance to prevent damage to the electrical cable and loosening of the section connecting means due to the flow as much as possible. To provide a set of section connections for mesh cable trays.

In addition, the present invention allows the warp wireframe and the weft wireframe constituting the sections of the mesh cable tray to be seated at the left and right ends, and the upper and lower ends, so that the adjacent sections can be joined together very firmly and quickly, and the section connection set of the mesh cable tray The purpose is to provide.

The section connection set of the mesh cable tray according to the present invention is a mesh cable composed of a plurality of straight wire frames 67 and 68 and a plurality of warp wire frames 63 to 66 bent in a U shape. In order to continuously connect the tray sections 60 to 62, respectively, a plate connector installed on one side wall of the adjacent mesh cable tray sections 61 and 62, and the adjacent mesh cable tray coupled to the plate connector. In a section connection of a mesh cable tray comprising a plurality of side clamps securing sections 61, 62, the plate connector is provided with the warp wireframes 65, 66 outside of the mesh cable tray section. Wire engaging portions 14 and 15 are formed at both ends thereof so that the cross section spans the left and right ends thereof, and the side clamps have both ends of the plate connector 10. The wire seating portion 25 and the wire catching portion 26 at both ends so as to span while vertically engaging and seating the weft wireframes 67 and 68 vertically bonded to the warp wireframe at both upper and lower ends. And the plate connector 10 and the side clamps 20 and 21 are coupled to the plurality of shank bolts 40 to 42 and the nuts 47 to 49, respectively, at the longitudinal center portion of the plate connector 10. The wire catching portions 34 and 35 are formed to be coupled to the shank bolt 41 and the nut 48 so that the warp wireframes 63 and 64 span both ends thereof, so that the adjacent mesh cable tray sections 61, A first spacing clamp 30 for forming and securing a clearance therebetween, and between the warp wireframes 63 and 64 formed on the bottom surface of the sections 61 and 62 of the adjacent mesh cable tray. Further equipped with a second separation clamp 32, At the bottom of the second separation clamp 32, the support clamp 36, the shank bolt 43 and the nut 50 is configured to be fastened so that the sections 61 and 62 of the mesh cable tray have a clearance. It is done.

At this time, the side clamp, it is preferable that the wire seating portion 27 is formed in place of the wire locking portion 26 is formed so that the weft wire frame is seated.

delete

As described above, according to the present invention, a plate connector for seating and coupling the warp wire frames constituting the section of the mesh cable tray at both left and right ends thereof, and the weft wire frame at the upper and lower ends simultaneously while vertically engaging at both ends of the plate connector. The side clamps that seat and couple are very tightly coupled to the sections of adjacent mesh cable trays, thereby greatly improving the reliability of the product. In addition, by combining the sections of a plurality of mesh cable trays to be spaced apart from each other to prevent movement of some sections to other adjacent sections to minimize the loosening of the mesh cable tray while minimizing damage to the electrical cable have.

Therefore, the present invention can easily and quickly and firmly combine the mesh cable tray to facilitate the construction as well as to prevent loosening can significantly reduce the maintenance cost of the mesh cable tray.

1 is a section connection set of the mesh cable tray according to an embodiment of the present invention,
2 is a plate connector in the section connection set of the mesh cable tray according to an embodiment of the present invention,
3a and 3b is a side clamp in the section connection set of the mesh cable tray according to the present invention,
4a and 4b is a state diagram using a section connection set of the mesh cable tray according to the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail the section connection set of the mesh cable tray according to the present invention.

1 is a section connecting set of the mesh cable tray according to an embodiment of the present invention, Figure 2 is a plate connector in a section connecting set of the mesh cable tray according to an embodiment of the present invention, Figures 3a and 3b In the section connection set of the mesh cable tray according to the design is a side clamp.

4A and 4B are diagrams illustrating a state of use of the section connection set of the mesh cable tray according to the present invention.

In adding the reference numerals to the components of the drawings, the same components are to have the same reference numerals as possible even if displayed on different drawings, and known functions that are determined to unnecessarily obscure the subject matter of the present invention Detailed description of the configuration will be omitted. Also, directional terms such as 'top', 'bottom', 'front', 'back', 'tip', 'front', 'back' and the like are used in connection with the orientation of the disclosed figure (s). Since the elements of the embodiments of the present invention can be positioned in various orientations, the directional terminology is used for illustrative purposes, not limitation.

Section connecting set of the mesh cable tray according to a preferred embodiment of the present invention, as shown in Figures 1 to 3b, the wire is secured at both ends so that the warp wire frame constituting the mesh cable tray is across the both ends Plate connectors 10 having portions 14 and 15 formed therein, and weft wire frames vertically coupled at both ends of the plate connector 10 and formed vertically to the warp wireframe, are disposed at both upper and lower ends. Side clamps 20 and 21 having wire seating portions 25 and wire hooking portions 26 formed at both ends thereof to be seated and spanned, and the plate connector 10 and the side clamps 20 and 21 are bolted, respectively. A plurality of shank bolts (40 to 42) and nuts (47 to 49) for nut coupling, and the shank bolts (41) and nuts (48) in the longitudinal center of the plate connector (10) At the same time, the warp wire frame is configured to include spaced apart clamps 30 formed with wire catching portions 34 and 35, respectively.

As the mesh cable tray is known, a plurality of mesh cable tray sections are connected to each other and may be configured in various forms as shown in FIGS. 4A and 4B.

The mesh cable tray sections 60 to 62 are, as is known, a plurality of weft wireframes 67 and 68 formed longitudinally, and perpendicular to the weft wireframes 67 and 68 and bent in a U shape. It consists of a plurality of warp wireframe (63 ~ 66). Accordingly, the mesh cable tray sections 60 to 62 have a U-shaped cross section, respectively, and form two side walls with the bottom surface, and an electric cable or a communication cable is seated on the bottom surface between the two side walls. do.

Meanwhile, in the present invention, in order to clarify the configuration description of the present invention, the weft wireframe located at the top end of the side is referred to as a first weft wireframe 67, and a lower weft wireframe adjacent thereto This is referred to as a second weft wireframe 68. In addition, one side of the warp wireframe located in the outermost direction in the longitudinal direction in the mesh cable tray section 61 is referred to as a first warp wireframe 63, the mesh cable formed with the first warp wireframe 63 The corresponding warp wireframe of the mesh cable tray section 62 connected adjacent to the tray section 61 is hereinafter referred to as second warp wireframe 64. Also, the third warp wireframe 65 adjacent to the first warp wireframe 63 is referred to as a fourth warp wireframe 66 adjacent to the second warp wireframe 64.

The plate connectors 10 and 11 are bar-shaped connectors that connect at upper end portions of the sidewalls of the mesh cable tray sections 61 and 62, as shown in FIGS. Engaging portions 14 and 15 are formed, respectively, and a plurality of fastening holes 12 are formed. In other words, while being positioned between the first weft wireframe 67 and the second weft wireframe 68, the wire catching portion 14 on one side is spread over the third warp wireframe 65. On the other hand, the wire catching part 15 is spread over the fourth warp wireframe 66. In addition, the plate connectors 10 and 11 are mounted on the upper side walls of both mesh cable tray sections 60 to 62, respectively, as shown in Figs. 4A and 4B.

As shown in FIG. 3A, the side clamp 20 has a fastening hole 24 formed at a central portion thereof, a wire catching portion 26 formed at one end thereof, and a semi-circular curved wire seating portion formed at the other end thereof. 25 is formed. Accordingly, the first weft wireframe 67 is seated on the wire seating portion 25, and the second weft wireframe 68 is spread on the wire catching portion 26.

In addition, as shown in FIG. 3B, the side clamp 21 may include a fastening hole 24 formed at a central portion thereof, and wire seating portions 25 and 27 may be formed at both ends thereof.

The side clamps 20 and 21 as described above are coupled to both ends of the plate connectors 10 and 11, respectively, by the shank bolts and nuts.

The shank bolts 40 to 46 may also be referred to as angle bolts, and form a square column between the round head or the flat head and the threaded body as is known.

The shank bolts 40 to 46 are fastening holes 24 and 12 formed in the side clamps 20 and 21 and the plate connectors 10 and 11 from the inner side of the mesh cable tray sections 60 to 62. It is inserted through and fastened with the nuts 47 to 49.

As shown in FIG. 1, the spacing clamp 30 has a plate-shaped bolt hole 33 formed at a central portion thereof and wire engaging portions 34 and 35 formed at both ends thereof. Accordingly, the wire catching portions 34 and 35 span the first warp wireframe 63 and the second warp wireframe 64, and the first warp wireframe 63 and the second warp wireframe. Allow play between 64. That is, the shank bolts 41 and 45 fastened through the bolt holes 33 are passed between the first warp wireframe 63 and the second warp wireframe 64 to the plate connectors 10 and 11. It is coupled to the nut 48 through the formed fastening hole 12.

As described above, the two mesh cable tray sections 61 and 62 have plate connectors 10 and 11, side clamps 20 to 23 and first spacing clamps 30 and 31 respectively at upper ends of both side walls. It is coupled by the shank bolts (40 to 46) and nuts (47 to 49). In this case, the wire catching portions 14 and 15 formed at both ends of the plate connectors 10 and 11 are respectively joined to the third warp wireframe 65 and the fourth warp wireframe 66, and at the same time, the side clamps. The first shank wireframe 67 and the second weft wireframe 68 are spread by the wire seating portion 25 and the wire catching portion 26 formed at upper and lower ends of the 20 to 23 shank. The bolts 40 to 46 and the nuts 47 to 49 are fastened very firmly.

In addition, the first spaced clamps 30 and 31 have wires formed at both ends of the first warp wireframe 63 and the second warp wireframe 64 at the central portions of the plate connectors 10 and 11 which are fastened. While being fastened by the catching parts 34 and 35, the shank bolts 40 and 45 are fastened by the nut, and thus are firmly coupled.

Therefore, as described above, according to the present invention, the gaps are formed between the sections 61 and 62 of the mesh cable tray, thereby connecting the gaps of the individual sections.

Meanwhile, the present invention provides a second spaced clamp 32 between the first warp wireframe 63 and the second warp wireframe 64 formed on the bottom surface constituting the sections 61 and 62 of the mesh cable tray. It is preferable to mount more.

The second space clamp 32 is a support clamp 36 on the bottom surface while pulling the first warp wire frame 63 and the second warp wire frame 64 by the wire catching portions 34 and 35 formed at both ends. ) Is fastened by the shank bolt 43 and the nut 50 through the bolt hole 33 penetrated up and down.

Thus, the bottom surface between the sections 61 and 62 of the mesh cable tray can be coupled to each other with a constant clearance by the second spacing clamp 32.

The present invention is very robust to a plurality of sections for assembling the mesh cable tray sections adjacent to each other, as shown in FIG. 4B, or at an angle to each other, or to implement a bypass such as T, X, Y, L, etc. Can connect In addition, such a plate connector can be grounded by additionally connecting the ground jumper 55, and in particular, since the mesh cable trays connected as described above are connected to each other with a constant clearance, even if movement occurs in some sections, the clearance may be reduced. It absorbs through and effectively prevents breakage of the entire mesh cable tray.

The embodiments of the present invention described above and illustrated in the drawings should not be construed as limiting the technical spirit of the present invention. The scope of protection of the present invention is limited only by the matters described in the claims, and those skilled in the art can change and change the technical idea of the present invention in various forms. Therefore, such improvements and modifications will fall within the protection scope of the present invention, if it is obvious to those skilled in the art.

10, 11: Plate Connector
12, 24: fastening hole
14, 15, 26, 34, 35: wire catch
20 to 23: Side Clamp
25, 27: wire seat
30 to 32: separation clamp
33: bolt hole
36: support clamp
40-46: Shank Bolt
47 ~ 50: Nut
55: Ground jumper
60 to 62: mesh cable tray section
63 to 66: Warp wireframe
67, 68: Weft wireframe

Claims (3)

Continuously connecting the mesh cable tray sections 60 to 62 composed of a plurality of straight weft wire frames 67 and 68 and a plurality of warp wire frames 63 to 66 bent in a U shape. To this end, a plate connector is installed on one side wall of the adjacent mesh cable tray sections 61 and 62, and a plurality of side clamps coupled to the plate connector to fix the adjacent mesh cable tray sections 61 and 62. In the section connection device of the mesh cable tray comprising:
The plate connector has wire latch portions 14 and 15 formed at both ends such that the warp wireframes 65 and 66 extend from both ends of the mesh cable tray section.
The side clamps are connected at both ends of the plate connector 10 vertically, and wires are disposed at both ends of the weft wireframes 67 and 68, which are vertically bonded to the warp wireframes, and are seated on both upper and lower ends thereof. The seating portion 25 and the wire catching portion 26 are formed,
The plate connector 10 and the side clamps 20 and 21 are coupled to a plurality of shank bolts 40 to 42 and nuts 47 to 49, respectively.
In the longitudinal center portion of the plate connector 10 is coupled to the shank bolt 41 and the nut 48, the wire engaging portions 34 and 35 are formed so that the warp wireframes 63 and 64 span both ends. And a first spacing clamp 30 for forming and fixing a play between the adjacent mesh cable tray sections 61 and 62,
The second spacing clamp 32 is further mounted between the warp wireframes 63 and 64 formed on the bottom surfaces of the sections 61 and 62 of the adjacent mesh cable trays. Section connection set of the mesh cable tray, characterized in that the bottom of the support clamp 36, the shank bolt 43 and the nut 50 is configured to engage the sections 61, 62 of the mesh cable tray to have a clearance. .
The method of claim 1,
Wherein the side clamp, a wire seating portion (27) in place of the wire engaging portion 26 is a section connection set of the mesh cable tray, characterized in that the weft wire frame is formed to be seated. delete
KR2020100012817U 2010-12-11 2010-12-11 Section connection set of mesh cable tray KR200453553Y1 (en)

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Application Number Priority Date Filing Date Title
KR2020100012817U KR200453553Y1 (en) 2010-12-11 2010-12-11 Section connection set of mesh cable tray

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Application Number Priority Date Filing Date Title
KR2020100012817U KR200453553Y1 (en) 2010-12-11 2010-12-11 Section connection set of mesh cable tray

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200474132Y1 (en) 2014-03-19 2014-08-27 다모아산업주식회사 Connectinng apparatus for mesh type cable tray
KR200478392Y1 (en) 2014-02-13 2015-10-01 삼성중공업 주식회사 Cable supporting structure
KR101796865B1 (en) * 2016-06-27 2017-11-10 경덕산업주식회사 Apparatus for connecting cable tray

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0874449A (en) * 1994-08-31 1996-03-19 Toa Steel Co Ltd Mesh panel joint method in mesh fence
JPH10121791A (en) 1996-10-24 1998-05-12 Sekisui Jushi Co Ltd Mesh fence
JP2004015851A (en) * 2002-06-03 2004-01-15 Mirai Ind Co Ltd Coupling device, coupler, and coupling method for wiring/piping member receiver
KR100677646B1 (en) 2006-09-29 2007-02-02 주식회사 이레이엔지 A cable tray for apartment houses

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0874449A (en) * 1994-08-31 1996-03-19 Toa Steel Co Ltd Mesh panel joint method in mesh fence
JPH10121791A (en) 1996-10-24 1998-05-12 Sekisui Jushi Co Ltd Mesh fence
JP2004015851A (en) * 2002-06-03 2004-01-15 Mirai Ind Co Ltd Coupling device, coupler, and coupling method for wiring/piping member receiver
KR100677646B1 (en) 2006-09-29 2007-02-02 주식회사 이레이엔지 A cable tray for apartment houses

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200478392Y1 (en) 2014-02-13 2015-10-01 삼성중공업 주식회사 Cable supporting structure
KR200474132Y1 (en) 2014-03-19 2014-08-27 다모아산업주식회사 Connectinng apparatus for mesh type cable tray
KR101796865B1 (en) * 2016-06-27 2017-11-10 경덕산업주식회사 Apparatus for connecting cable tray

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