CN204633260U - A kind of flat type divides hole lead wire protective tube and assembly thereof - Google Patents
A kind of flat type divides hole lead wire protective tube and assembly thereof Download PDFInfo
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- CN204633260U CN204633260U CN201520277544.2U CN201520277544U CN204633260U CN 204633260 U CN204633260 U CN 204633260U CN 201520277544 U CN201520277544 U CN 201520277544U CN 204633260 U CN204633260 U CN 204633260U
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Abstract
The utility model relates to a kind of flat type point hole lead wire protective tube; the inside of described body is provided with one to three piece point of chamber and supports; described point of chamber supports and to be connected with the inwall of body and one-body molded, and tubular body is divided into by described point of chamber support not connected wears wire cavity.The utility model also relate to and the flat type point matching used assembly of hole lead wire protective tube; as pipe fitting docking, pipe fitting 90 degree of flat elbows, pipe fitting 90 degree perpendicular elbow, pipe fitting tapered end and pipe fitting magazine etc.; can not only reduce and even not need to pick cutter to body of wall, ground; just a flat type described in the utility model point hole lead wire protective tube directly can be laid; the body of described flat type point hole lead wire protective tube can directly be covered in screed-coat; and save construction cost; reduce the noise in construction and dust, there is the advantage such as energy-saving and emission-reduction, environmental protection.
Description
Technical field
The utility model belongs to decorations technical field; particularly relate to a kind of flat type point hole lead wire protective tube and with the flat type point matching used assembly of hole lead wire protective tube, as pipe fitting docking, pipe fitting 90 degree of flat elbows, pipe fitting 90 degree perpendicular elbow, pipe fitting tapered end and pipe fitting magazine.
Background technology
In the process of interior decoration construction, water power transformation is the pith in construction, and metope, ground fluting often destroy the reinforcing bar of former metope, and cause building prestressing force to be affected, the noise simultaneously in construction and dust pollution are very large, take a lot of work during construction cost.
And existing lead wire protective tube is used for the fields such as medical treatment, open air and Gongjian's project, the demand of home decoration construction cannot be met.Such as: the special hose of medical and health industry, be equiform body, but diameter is very little, for the transmission of gas or liquid, there is range of application little, material can not with the shortcomings such as wire-protecting; Large-scale cable protection pipe, is mainly used in the transmission protection of the Large Copacity current cable of power engineering, cannot applies at family's furnishing fields.
Utility model content
In view of the problem existing for prior art, the utility model provide a kind of flat type point hole lead wire protective tube and with the flat type point matching used assembly of hole lead wire protective tube, as pipe fitting docking, pipe fitting 90 degree of flat elbows, pipe fitting 90 degree erects elbow, pipe fitting tapered end and pipe fitting magazine etc., can not only reduce and even not need body of wall, ground carries out picking cutter, just a flat type described in the utility model point hole lead wire protective tube directly can be laid, the body of described flat type point hole lead wire protective tube can directly be covered in screed-coat, and save construction cost, reduce the noise in construction and dust, there are energy-saving and emission-reduction, the advantages such as environmental protection.
The technical scheme that the utility model solves the problems of the technologies described above is as follows:
A kind of flat type divides hole lead wire protective tube; the tubular body of described flat type point hole lead wire protective tube is provided with one to three piece point of chamber and supports; described point of chamber supports and to be connected with the inwall of body and one-body molded, and tubular body is divided into by described point of chamber support not connected wears wire cavity.
The beneficial effects of the utility model are: flat type described in the utility model point hole lead wire protective tube makes tubular body be separated in a tubular body setting point chamber support and wears wire cavity; wire can wear in wire cavity through and do not interfere with each other, significantly can improve the fail safe of wire.Point chamber supports the supporting role not only had body, and improves the crushing resistance of body.Flat type described in the utility model divides hole lead wire protective tube in use; can not only reduce and even not need to pick cutter to body of wall, ground; just a flat type described in the utility model point hole lead wire protective tube directly can be laid; the body of described flat type point hole lead wire protective tube can directly be covered in screed-coat; and save construction cost; reduce the noise in construction and dust, there is the advantage such as energy-saving and emission-reduction, environmental protection.
On the basis of technique scheme, the utility model can also do following improvement.
Further, the inside of described body is provided with two pieces points of chambeies and supports, described two pieces points of chamber supports parallel arrange and are become by the inside division of body three not connected to wear wire cavity, the cross section wearing the body of wire cavity forming both sides is arc symmetrical mutually, and it is rectangle that two pieces points of chamber supports and body surround the middle cross section wearing wire cavity.
Further, described body thickness is 12mm, and body width is 25mm, and pipe thickness is 1.2mm, and the thickness that point chamber supports is 1mm.
The beneficial effect of above-mentioned further scheme is adopted to be: a flat type described in the utility model point hole lead wire protective tube adopts above-mentioned parameter, and can well meet the requirement of GB, the scope of application is wider.
Further, the material of described flat type point hole lead wire protective tube is the polyvinyl chloride being filled with fire proofing.
The beneficial effect of above-mentioned further scheme is adopted to be: to adopt the polyvinyl chloride being filled with fire proofing as material, the fire resistance of flat type point hole lead wire protective tube can be made to significantly improve.
One is docked with the flat type point matching used pipe fitting of hole lead wire protective tube; the internal wall of pipe orifice at the two ends of described pipe fitting docking mates with the mouth of pipe outer wall of flat type point hole lead wire protective tube respectively; described pipe fitting docking middle part is provided with limiting card, and described limiting card is the circle projection be provided with along described pipe fitting docking inwall radial direction.
The effect of technique scheme is adopted to be: because existing pipe fitting docks the use that its shape and structure all can not meet flat type described in the utility model point hole lead wire protective tube; the utility model additionally provides one and docks with the flat type point matching used pipe fitting of hole lead wire protective tube; not only shape, size and size can be mated with a flat type point hole lead wire protective tube; and by the limiting card that middle part is arranged, make two flat type point hole lead wire protective tube realize firmly docking.
One and the flat type point matching used pipe fitting of hole lead wire protective tube 90 degree of flat elbows; the inwall of the mouth of pipe at the two ends of described pipe fitting 90 degree of flat elbows mates with the mouth of pipe outer wall of flat type point hole lead wire protective tube respectively; the flat elbow of described pipe fitting 90 degree is inner is provided with flat elbow inner support along bending direction; flat for pipe fitting 90 degree elbow inside division is become not connected cavity by described flat elbow inner support; described pipe fitting 90 degree of flat elbows are provided with conduit screens near mouth of pipe place, and described pipe fitting 90 degree of flat elbows divide the direction horizontal arrangement of hole lead wire protective tube along flat type.
The effect of employing technique scheme is: pipe fitting described in the utility model 90 degree of flat elbows can support the use with a flat type point hole lead wire protective tube; be applicable to the occasion of needs 90 degree of plate turns; because the caliber of pipe fitting 90 degree of flat elbows is less than normal; so finished product turn can manufacture relatively less; radius of turn is 70mm, when the turning on metope and ground is constructed, destroys less to metope; during construction, construction working efficiency can be improved.
A kind of and flat type divides the matching used pipe fitting of hole lead wire protective tube 90 degree to erect elbow; the inwall of the mouth of pipe at the two ends of the perpendicular elbow of described pipe fitting 90 degree mates with the mouth of pipe outer wall of flat type point hole lead wire protective tube respectively; the perpendicular elbow of described pipe fitting 90 degree is inner is provided with perpendicular elbow inner support along bending direction; perpendicular for pipe fitting 90 degree elbow inside division is become not connected cavity by described perpendicular elbow inner support; the perpendicular elbow of described pipe fitting 90 degree is provided with conduit screens near mouth of pipe place, and the perpendicular elbow of described pipe fitting 90 degree is vertically arranged along the direction of flat type point hole lead wire protective tube.
The effect of employing technique scheme is: the perpendicular elbow of pipe fitting described in the utility model 90 degree can support the use with a flat type point hole lead wire protective tube; be applicable to the occasion that needs 90 degree of vertical transfers are curved; because the caliber of the perpendicular elbow of pipe fitting 90 degree is less than normal; so finished product turn can manufacture relatively less; radius of turn is 70mm, when the turning on metope and ground is constructed, destroys less to metope; during construction, construction working efficiency can be improved.
A kind of and flat type divides hole lead wire protective tube matching used pipe fitting tapered end; the inwall of one end of described pipe fitting tapered end mates with the mouth of pipe outer wall of flat type point hole lead wire protective tube; the side of described pipe fitting tapered end is provided with strip breach vertically, the outer wall of the other end of described pipe fitting tapered end be radially provided with groove and the inwall of this one end to be provided with tapered end spacing.
A kind of and flat type divides hole lead wire protective tube matching used pipe fitting magazine; described pipe fitting magazine is an opening and the cuboid of inner hollow; the side of described pipe fitting magazine is equipped with at least one through hole mated with the mouth of pipe of flat type point hole lead wire protective tube, and described pipe fitting magazine is also provided with set screw hole.
Further, described through hole is two.
The effect of employing technique scheme is: the pipe fitting tapered end that the utility model provides, a pipe fitting magazine and flat type point hole lead wire protective tube supports the use, and can well meet the demand of house decoration.Pipe fitting tapered end is provided with breach; in use this side pressure is tightly inserted it into pipe fitting magazine; and the groove pipe fitting magazine utilizing outer wall to be provided with is tight; afterwards flat type is divided the body inserting pipe elements tapered end of hole lead wire protective tube until spacing place, finally make pipe fitting tapered end, a pipe fitting magazine and flat type point hole lead wire protective tube link together.There is the advantages such as simple to operate, convenient disassembly, connection be firm.
Pipe fitting docking described in the utility model, pipe fitting 90 degree of flat elbows, pipe fitting 90 degree perpendicular elbow, pipe fitting tapered end and pipe fitting magazine all can adopt the polyvinyl chloride (i.e. PVC) that is filled with fire proofing to improve fire resistance further for material.
Accompanying drawing explanation
Fig. 1 is flat type described in the utility model point hole structure of lead wire protective tube schematic diagram, and wherein Figure 1A is front view, and Figure 1B is profile;
Fig. 2 is pipe fitting docking structure schematic diagram described in the utility model, and Fig. 2 A is front view, and Fig. 2 B is profile, and Fig. 2 C is vertical view;
Fig. 3 is the flat elbow structure schematic diagram of pipe fitting described in the utility model 90 degree, and Fig. 3 A is front view, and Fig. 3 B is profile;
Fig. 4 is the perpendicular elbow structure schematic diagram of pipe fitting described in the utility model 90 degree, and Fig. 4 A is front view, and Fig. 4 B is profile;
Fig. 5 is pipe fitting lock head structure schematic diagram described in the utility model, and Fig. 5 A is front view, and Fig. 5 B is profile (vertical direction), and Fig. 5 C is vertical view, and Fig. 5 D is upward view;
Fig. 6 is pipe fitting magazine structural representation described in the utility model, and Fig. 6 A is front view, and Fig. 6 B is sectional side view in pipe fitting magazine, and Fig. 6 C is end view, Fig. 6 D vertical view;
Fig. 7 is the assembling process schematic diagram of flat type described in the utility model point hole lead wire protective tube and assembly thereof.
In accompanying drawing, the list of parts representated by each label is as follows:
1, flat type divides hole lead wire protective tube, and 110, point chamber supports, 120, wear wire cavity; 2, pipe fitting docking, 210, limiting card, 3, pipe fitting 90 degree of flat elbows; 310, flat elbow inner support, the 320, first conduit screens, 4, the perpendicular elbow of pipe fitting 90 degree; 410, the second conduit screens, 420, perpendicular elbow inner support, 5, pipe fitting tapered end; 510, breach, 520, groove, 530, tapered end is spacing; 6, pipe fitting magazine, 610, through hole, 620, set screw hole.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in figures 1 to 6; a kind of flat type divides hole lead wire protective tube; the inside of the body of described flat type point hole lead wire protective tube 1 is provided with one to three piece point of chamber and supports 110; described point of chamber supports 110 and to be connected with the inwall of body and one-body molded, and the inside division of body is become not connected and wears wire cavity 120 by described point of chamber support 110.
The inside of described body is provided with two pieces points of chambeies and supports 110, point chamber described in two supports 110 and be arranged in parallel and become by the inside division of body three not connected to wear wire cavity 120, the cross section wearing the body of wire cavity 120 forming both sides is arc symmetrical mutually, and it is rectangle that two pieces points of chamber supports 110 and body surround the middle cross section wearing wire cavity 120.
The thickness of described body is 12mm, and the width of body is 25mm, and pipe thickness is 1.2mm, and the thickness of point chamber support 110 is 1mm.
The material of described flat type point hole lead wire protective tube 1 is the polyvinyl chloride being filled with fire proofing.
One is docked with the flat type point matching used pipe fitting of hole lead wire protective tube; the internal wall of pipe orifice at the two ends of described pipe fitting docking 2 mates with the mouth of pipe outer wall of flat type point hole lead wire protective tube 1 respectively; be provided with limiting card 210 in the middle part of described pipe fitting docking 2, described limiting card 210 be dock along described pipe fitting the circle projection that 2 inwall radial direction are provided with.
One and the flat type point matching used pipe fitting of hole lead wire protective tube 90 degree of flat elbows, the inwall of the mouth of pipe at the two ends of the flat elbow 3 of described pipe fitting 90 degree mates with the mouth of pipe outer wall of flat type point hole lead wire protective tube 1 respectively, the flat elbow 3 of described pipe fitting 90 degree is inner is provided with flat elbow inner support 310 along bending direction, flat for pipe fitting 90 degree elbow 3 inside division is become not connected cavity by described flat elbow inner support 310, the flat elbow 3 of described pipe fitting 90 degree is provided with the first conduit screens 320 near mouth of pipe place, the flat elbow 3 of described pipe fitting 90 degree divides the direction horizontal arrangement of hole lead wire protective tube 1 along flat type.
A kind of and flat type divides the matching used pipe fitting of hole lead wire protective tube 90 degree to erect elbow, the inwall of the mouth of pipe at the two ends of the perpendicular elbow 4 of described pipe fitting 90 degree mates with the mouth of pipe outer wall of flat type point hole lead wire protective tube 1 respectively, the perpendicular elbow 4 of described pipe fitting 90 degree is inner is provided with perpendicular elbow inner support 420 along bending direction, perpendicular for pipe fitting 90 degree elbow 4 inside division is become not connected cavity by described perpendicular elbow inner support 420, the perpendicular elbow 4 of described pipe fitting 90 degree is provided with the second conduit screens 410 near mouth of pipe place, the perpendicular elbow 4 of described pipe fitting 90 degree is vertically arranged along the direction of flat type point hole lead wire protective tube 1.
A kind of and flat type divides hole lead wire protective tube matching used pipe fitting tapered end; the inwall of one end of described pipe fitting tapered end 5 mates with the mouth of pipe outer wall of flat type point hole lead wire protective tube 1; the side of described pipe fitting tapered end 5 is provided with strip breach 510 vertically, and the outer wall of the other end of described pipe fitting tapered end 5 is radially provided with groove 520 and the inwall of this one end is provided with tapered end spacing 530.
A kind of and flat type divides hole lead wire protective tube matching used pipe fitting magazine; described pipe fitting magazine 6 is an opening and the cuboid of inner hollow; the side of described pipe fitting magazine 6 is equipped with at least one through hole 610 mated with the mouth of pipe of flat type point hole lead wire protective tube 1, and described pipe fitting magazine 6 is also provided with set screw hole 620.Described through hole 610 is two.
The installation process of pipeline is as shown in Figure 7:
1, pipe bending: vertical 90 degree of pipeline bends, and finished product can be used to connect part, also can use and manually carry out free bend.
Bending radius is greater than 70mm, when needing transverse curvature, finished product can be used to connect part, and when using artificial free bend, need carry out slow bending bent, bending radius is greater than 210mm when bending, and fills lining without the need to carrying out interior pipe.
2, pipeline docking: the tube head end face of flat type point hole lead wire protective tube is vertically checked finishing, makes pipe end cut vertical, corrected pipe end is directly inserted into middle part limiting card 210 place of pipe fitting docking 2.
3, pipeline and pipe fitting 90 degree of elbows are connected: check finishing by vertical for tube head end face, pipe end is cut vertical, get pipe fitting 90 degree of elbows (the flat elbow 3 of pipe fitting 90 degree or the perpendicular elbow 4 of pipe fitting 90 degree), by pipeline laying direction, one end of flat type point hole lead wire protective tube 1 is inserted into the flat elbow of pipe fitting 90 degree 3 (or the perpendicular elbow 4 of pipe fitting 90 degree), until the first conduit screens 320 (or second conduit screens 410 place), described flat elbow inner support 310 (or perpendicular elbow inner support 420) supports 110 with point chamber of flat type point hole lead wire protective tube 1 respectively and aligns, thus flat type point hole lead wire protective tube 1 is connected part with 90 degree of elbows connects, connect laggard line pipe part to fix, constant spacing should with concerned countries installation code.
4, the connection of pipeline and pipe fitting magazine: pipe fitting tapered end opening 540 place is compressed; pipe fitting tapered end 5 is released from inside to outside from pipe fitting magazine 6 after compression; shift outside groove 520 place of pipe fitting tapered end 5 onto; afterwards pipe fitting tapered end 5 is inserted from the outside of pipe fitting magazine 6 by the body of flat type point hole lead wire protective tube 1; be pushed into spacing 530 places of tapered end of pipe fitting tapered end 5 inside; after pipe fitting tapered end 5 rises by the extruding of the body of inner flat type point hole lead wire protective tube 1 is swollen; the groove 520 in outside is just closely fixed with pipe fitting magazine 6, plays fixing effect.
Embodiment:
During concrete use, following size can be adopted:
The body thickness of flat type point hole lead wire protective tube is 12mm, and body width is 25mm, and pipe thickness is 1.2mm, and the thickness that point chamber supports is 1mm;
Middle square hole area of section is: the wide 6=63.6mm of high 10.6*
2;
Semi-circular section, side: high 10.6* wide 2+ semicircle 5.3*5.3*3.14/2=21.2+44.1=65.3mm
2,
The gross area=63.6+65.3+65.3=134.6mm
2;
Middle square hole is that 6mm is wide, is highly 10.6mm, sectional area=10.6*6=63.6mm
2;
Both sides semicircle total cross section is 65.3+65.3=130.6mm
2, one-sided cross section=130.6/2=65.3mm
2;
House decoration uses 4mm
2wire diameter is 4.12mm,
Total cross section is: 4.12/2=2.6mm
2, 2.6*2.6*3.14=21.23mm
2.
According to GB, the total sectional area that intraductal wire comprises insulating barrier should not be greater than the requirement of 40% of empty sectional area in pipe: smallest cross-sectional 63.6mm
2* 40%=24.23mm
2, be greater than 21.23mm
2conductor cross-section, meets Standard, and concrete GB standard is as follows.
In GB 50258-96 " electric device installing engineering 1kv and following wiring work are constructed and acceptance specification ", there is following regulation: " when the bright timing of circuit, bending radius should not be less than 6 times of pipe external diameter to 2.1.6.1; Only have when between two terminal boxes one bending time, its bending radius should not be less than 4 times of pipe external diameter.2.1.6.2 when the dark timing of circuit, bending radius should not be less than 6 times of pipe external diameter; When being embedded in underground or concrete, its bending radius should not be less than 10 times of pipe external diameter.When 2.4.3.1 adopting sleeve pipe to connect between tube and tube, casing length is preferably the 1.5-3 of pipe external diameter doubly; The counterpart place of tube and tube should be positioned at the center of sleeve pipe.2.4.3.2, when pipe is connected with device, insertion depth is preferably the 1.1-1.8 of pipe external diameter doubly.3.2.6 the total sectional area that intraductal wire comprises insulating barrier should not be greater than 40% of empty sectional area in pipe.”
The length of pipe fitting docking is 40mm, and length is greater than caliber 1.74 times, meets GB.
The radius of turn of the perpendicular elbow of pipe fitting 90 degree can be 140mm, and also can be 70mm, concrete size can be determined according to the service condition of reality.
Numerical value in embodiment only for explaining the utility model, but is not limited to above-mentioned numerical value.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a flat type divides hole lead wire protective tube; it is characterized in that; the inside of the body of described flat type point hole lead wire protective tube (1) is provided with one to three piece point of chamber and supports (110); described point of chamber supports (110) and to be connected with the inwall of body and one-body molded, and the inside division of body is become not connected and wears wire cavity (120) by described point of chamber support (110).
2. a kind of flat type divides hole lead wire protective tube according to claim 1; it is characterized in that; the inside of described body is provided with two pieces points of chambeies and supports (110); described two pieces points of chambeies support (110) and be arranged in parallel and become by the inside division of body three not connected to wear wire cavity (120); the cross section wearing the body of wire cavity (120) forming both sides is arc symmetrical mutually, and it is rectangle that two pieces points of chambeies support (110) and body surround the middle cross section wearing wire cavity (120).
3. a kind of flat type divides hole lead wire protective tube according to claim 2, it is characterized in that, the thickness of described body is 12mm, and the width of body is 25mm, and pipe thickness is 1.2mm, and the thickness that point chamber supports (110) is 1mm.
4. a kind of flat type divides hole lead wire protective tube according to claim 3, it is characterized in that, the material of described flat type point hole lead wire protective tube (1) is the polyvinyl chloride being filled with fire proofing.
5. one kind docks with the flat type point matching used pipe fitting of hole lead wire protective tube; it is characterized in that; the internal wall of pipe orifice at the two ends of described pipe fitting docking (2) mates with the mouth of pipe outer wall of flat type point hole lead wire protective tube (1) respectively; described pipe fitting docking (2) middle part is provided with limiting card (210), and described limiting card (210) is the circle projection be provided with along described pipe fitting docking (2) inwall radial direction.
6. one kind and the flat type point matching used pipe fitting of hole lead wire protective tube 90 degree of flat elbows, it is characterized in that, the inwall of the mouth of pipe at the two ends of described pipe fitting 90 degree of flat elbows (3) mates with the mouth of pipe outer wall of flat type point hole lead wire protective tube (1) respectively, described pipe fitting 90 degree of flat elbows (3) are inner is provided with flat elbow inner support (310) along bending direction, pipe fitting 90 degree of flat elbow (3) inside division are become not connected cavity by described flat elbow inner support (310), described pipe fitting 90 degree of flat elbows (3) are provided with the first conduit screens (320) near mouth of pipe place, described pipe fitting 90 degree of flat elbows (3) divide the direction horizontal arrangement of hole lead wire protective tube (1) along flat type.
7. one kind is divided the matching used pipe fitting of hole lead wire protective tube 90 degree to erect elbow with flat type, it is characterized in that, the inwall of the mouth of pipe at the two ends of the perpendicular elbow (4) of described pipe fitting 90 degree mates with the mouth of pipe outer wall of flat type point hole lead wire protective tube (1) respectively, the perpendicular elbow (4) of described pipe fitting 90 degree is inner is provided with perpendicular elbow inner support (420) along bending direction, pipe fitting 90 degree of perpendicular elbow (4) inside division are become not connected cavity by described perpendicular elbow inner support (420), the perpendicular elbow (4) of described pipe fitting 90 degree is provided with the second conduit screens (410) near mouth of pipe place, the perpendicular elbow (4) of described pipe fitting 90 degree is vertically arranged along the direction of flat type point hole lead wire protective tube (1).
8. one kind is divided hole lead wire protective tube matching used pipe fitting tapered end with flat type; it is characterized in that; the inwall of one end of described pipe fitting tapered end (5) mates with the mouth of pipe outer wall of flat type point hole lead wire protective tube (1); the side of described pipe fitting tapered end (5) is provided with strip breach (510) vertically, and the outer wall of the other end of described pipe fitting tapered end (5) is radially provided with groove (520) and the inwall of this one end is provided with tapered end spacing (530).
9. one kind is divided hole lead wire protective tube matching used pipe fitting magazine with flat type; it is characterized in that; described pipe fitting magazine (6) is an opening and the cuboid of inner hollow; the side of described pipe fitting magazine (6) is equipped with at least one through hole (610) mated with the mouth of pipe of flat type point hole lead wire protective tube (1), and described pipe fitting magazine (6) is also provided with set screw hole (620).
10. divide with flat type hole lead wire protective tube matching used pipe fitting magazine according to claim 9, it is characterized in that, described through hole (610) is two.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149456A (en) * | 2017-06-16 | 2019-01-04 | 北京德瑞工贸有限公司 | A kind of flat electrical casing pipe system |
-
2015
- 2015-04-30 CN CN201520277544.2U patent/CN204633260U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149456A (en) * | 2017-06-16 | 2019-01-04 | 北京德瑞工贸有限公司 | A kind of flat electrical casing pipe system |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170401 Address after: 100024 room 808-812, block C, Jin Changan building, No. 82 East Fourth Ring Road, Beijing, Chaoyang District, China Patentee after: Home Furnishing yenova Decoration Group Limited by Share Ltd Address before: 100024 Chaoyang District City, East Fourth Ring Road, Beijing, Jin Changan building, No. 82, block C, floor 8 Patentee before: Decoration limited company of Beijing Ye Zhifeng Novartis |
|
| TR01 | Transfer of patent right |