CN104358948A - Pre-buried anti-leaking connector system - Google Patents
Pre-buried anti-leaking connector system Download PDFInfo
- Publication number
- CN104358948A CN104358948A CN201410598981.4A CN201410598981A CN104358948A CN 104358948 A CN104358948 A CN 104358948A CN 201410598981 A CN201410598981 A CN 201410598981A CN 104358948 A CN104358948 A CN 104358948A
- Authority
- CN
- China
- Prior art keywords
- joint
- matheson
- slip joint
- dresser
- cup
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000005034 decoration Methods 0.000 abstract description 2
- 101150038956 cup-4 gene Proteins 0.000 description 14
- 238000010276 construction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- 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
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/14—Joints for pipes of different diameters or cross-section
-
- 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
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Sleeves (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The invention discloses a pre-buried anti-leaking connector system for draining off water of a same layer for building decoration. The pre-buried anti-leaking connector system comprises a telescopic joint and anti-leaking connectors, wherein a pipeline at the upper end of the telescopic joint is connected with an upper-layer anti-leaking connector; a pipeline at the lower end of the telescopic joint is connected with a lower-layer anti-leaking connector; the telescopic joint comprises an upper telescopic joint cover, a middle cup body, a lower cup body, a waterproof rubber ring and a telescopic pressing ring; the lower cup body of the telescopic joint sleeves the pipeline at the lower end; the middle cup body of the telescopic joint sleeves the pipeline at the upper end; the upper telescopic joint cover, the middle cup body and the lower cup body are connected in sequence; the anti-leaking connectors comprise an anti-leaking connector body and a different diameter connecting part; a water guide groove is formed in the upper end of the anti-leaking connector body; a drain hole is formed inside the anti-leaking connector body; a fixing ring is arranged at the lower end of the anti-leaking connector body; fixing feet are arranged on the fixing ring; fixing holes are formed in the fixing ring; the different diameter connecting part is connected with the anti-leaking connector body; the eccentricity degree of the different diameter connecting part is minus 10mm to 10mm. The pre-buried anti-leaking connector system is good in anti-leaking property, convenient to mount, high in pressure bearing property, good in air tightness and high in security.
Description
Technical field
The present invention relates to a kind of drainage pipe, particularly relate to a kind of pre-buried Matheson and Dresser joint system.
Background technique
Co-layer draining is applied more and more extensive in modern architecture, becomes the trend of future architecture draining.Fall board-like co-layer draining at present and after being first reserving hole, carry out secondary construction and installation pipe part at civil engineering, equipment installation, decoration construction etc. construction link again, belong to secondary installing, joint does not have water seal, there is no secondary drainage function, to to punch on tubing products in work progress installation, what adopt is that concrete operational method is filled with in secondary construction backfill, operates comparatively loaded down with trivial details, installs inconvenient; Because year is of a specified duration, people is for trampling, the reasons such as water-proofing material is aging, by the outer packing course infiltration such as floor tile joint, floor tile vertical tube surrounding, general employing water seal Matheson and Dresser joint processes infiltration, deal with improperly to form cesspool because ponding is saturated or leak into lower one deck or return and overflow to other indoor of this layer, also having and adopt non-water sealed Matheson and Dresser joint, there is the not smooth problem of circulation in current; Because tube hub bias causes, inconvenience is installed between adjacent two layers.Between floor, the position of upper end lower channel secures, connection general slip joint between upper and lower end pipe connects, slip joint upper cover in the market, waterproof apron, middle cup, lower cup body order is installed, lower channel is put with slip joint lower cup body, again cup in slip joint is put upper end pipeline, then the breathing space of cup lower end in slip joint is utilized cup in slip joint and slip joint lower cup body to be socketed into one, waterproof apron internal-and external diameter is consistent with slip joint upper cover internal-and external diameter, there is the hidden danger of pipe leakage, the length that lower channel inserts slip joint is inadequate, do not reach the insertion depth 48mm of standard, cause the hidden danger of greatly safety, tightness between waterproof apron and pipeline is also inadequate.
Summary of the invention
The object of the present invention is to provide that a kind of waterproof effect is good, easy for installation, bearing capacity is strong, tightness is good, the pre-buried Matheson and Dresser joint system that Security is high.
For achieving the above object, technological scheme provided by the invention is: a kind of pre-buried Matheson and Dresser joint system, comprises slip joint and Matheson and Dresser joint, and slip joint upper end pipeline is connected with upper strata Matheson and Dresser joint, and slip joint lower channel is connected with lower floor Matheson and Dresser joint,
Described slip joint, comprises slip joint upper cover, middle cup, lower cup body and waterproof apron, and slip joint lower cup body is enclosed within lower channel, and in slip joint, cup is enclosed within the pipeline of upper end, and slip joint upper cover, waterproof apron, middle cup, lower cup body are linked in sequence;
Described Matheson and Dresser joint comprises Matheson and Dresser joint body, and Matheson and Dresser joint body upper end is provided with water guide groove, is provided with drainage hole in Matheson and Dresser joint body, and Matheson and Dresser joint body lower end is provided with retaining ring, and retaining ring is provided with fastening foot and fixed hole;
Described slip joint also comprises slip joint trim ring, the internal diameter of the upper end of middle cup is greater than outer diameter tube, waterproof apron is enclosed within the groove that the upper end of middle cup and upper end pipeline formed, and waterproof apron puts and is lined with slip joint trim ring, and the upper end of upper cover is provided with the chimb for blocking slip joint trim ring;
Described Matheson and Dresser joint also comprises reducing link, and reducing link is connected with Matheson and Dresser joint body, and the reducing link degree of eccentricity is-10mm-+10mm, and described reducing link arranged outside has anti-skidding chimb.
Preferably, the outer wall of the middle cup upper end of described slip joint is provided with screw thread, and upper cover is connected by the upper end of screw thread with middle cup;
In described slip joint the middle-end internal diameter of cup and upper end outer diameter tube suitable, middle cup upper end becomes obtuse angle with middle-end joint, consistent with the obtuse angle edge angle that waterproof apron lower end is arranged;
In described slip joint, cup height is 110mm-150mm.
Preferably, the lower cup body upper end of described slip joint by convex origin or beginning and inwards protruding end form, in described slip joint, cup lower end is provided with the groove matched with convex origin or beginning, convex origin or beginning is embedded in groove, slip joint lower cup body upper end inwards protruding end is connected with lower channel, described slip joint lower cup body middle-end internal diameter and lower channel external diameter suitable, described slip joint lower cup body lower end is provided with outside chimb, and in slip joint, cup lower end is provided with the chimb that matches with it; Described slip joint lower cup body height is 45mm-60mm.
Preferably, the degree of depth of the groove of described slip joint is 1mm-5mm, and width is 1mm-5mm, is consistent with the height of the convex origin or beginning in slip joint lower cup body upper end and width;
Cover outer wall is provided with anti-skidding lines to described slip joint.
Preferably, described Matheson and Dresser joint retaining ring periphery is provided with multiple lead angle formula round edge, alternate with described fastening foot; Described Matheson and Dresser joint fastening foot is provided with four, and the inner side of fixed hole and the outside of water guide groove in the horizontal plane distance differ 2mm-5mm; Described Matheson and Dresser joint fixed hole is for lengthening fixed hole, and length is 8mm-12mm, and width is 2mm-5mm.
Preferably, described Matheson and Dresser joint body stage casing is provided with lower water scrobicular ring and chimb inwards, and lower water scrobicular ring is wide at the top and narrow at the bottom, forms a Xia Shui slope.
A technological scheme tool in technique scheme has the following advantages or beneficial effect: adopt secondary to construct in prior art backfilling filling concrete operational method is because if an Embedment Construction, can cause because of upper and lower pipeline reducing cannot with Matheson and Dresser joint to connecting, this pre-buried Matheson and Dresser joint system has eccentric structure, can realize overall maximum eccentricity is positive and negative 20mm, eliminate in construction and because tube hub bias causes, inconvenient problem is installed between adjacent two layers, can an Embedment Construction, reducing link is provided with anti-skidding chimb, in installation process, facilitate pipe fitting to rotate to align, Matheson and Dresser joint is provided with drainage hole, realize secondary drainage function, in work progress, the ponding flowed down from water guide groove through drainage hole, along lower water scrobicular ring, flow in supervisor, lower water scrobicular ring is wide at the top and narrow at the bottom, and form a Xia Shui slope, current are unobstructed, waterproof effect good, and cup is nested with slip joint lower cup body by groove in this system slip joint, waterproof effect is more excellent, time this system slip joint upper cover is twisted downwards, the downward chimb of slip joint upper cover acts on slip joint trim ring, and slip joint trim ring acts on waterproof apron, and waterproof apron lower end obtuse angle edge againsts middle cup inner diameter wall and pastes tighter and tighter, and pipeline tightness is better, in slip joint upper cover and slip joint, cup is more stubborn tighter, and when pipeline is subject to large pressure, slip joint upper cover can not eject easily, and bearing capacity is stronger, in slip joint, the height of cup is 110mm-150mm, the degree of depth that upper cover and middle cup are inserted in tubing upper end is 48-90mm, and lower cup body height is 45mm-60mm, and the degree of depth that lower cup body is inserted in tubing lower end is 48mm, meet the standard 48mm of tubing insertion depth, pipe safety is stronger.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, simple introduction is done below by the accompanying drawing used required in embodiment or description of the prior art, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Accompanying drawing 1 is the linkage structure schematic diagram of the embodiment of the present invention;
Accompanying drawing 2 is the expansion joint structure schematic diagram of the embodiment of the present invention;
Accompanying drawing 3 is the Matheson and Dresser joint structural representation of the embodiment of the present invention;
Accompanying drawing 4 is the Matheson and Dresser joint perspective view of the embodiment of the present invention;
Accompanying drawing 5 is the systems axiol-ogy flow chart of the embodiment of the present invention.
In figure 1, slip joint upper cover; 2, slip joint trim ring; 3, waterproof apron; 4, cup in slip joint; 5, slip joint lower cup body; 6, reducing link; 7, Matheson and Dresser joint body; 8, upper end pipeline; 9, lower channel; 10, upper strata Matheson and Dresser joint; 11, water guide groove; 12, fixed hole; 13, fastening foot; 14, drainage hole; 15, lower water scrobicular ring; 16, retaining ring lead angle formula round edge; 17, anti-skidding chimb.
Embodiment
Below by specific embodiment, the present invention is further illustrated.
The pre-buried Matheson and Dresser joint system of embodiment, comprises slip joint and Matheson and Dresser joint, if Fig. 2 is expansion joint structure, Fig. 3, Fig. 4 are Matheson and Dresser joint structure, and as shown in Figure 1, slip joint upper end pipeline 8 is connected with upper strata Matheson and Dresser joint 10, slip joint lower channel 9 is connected with lower floor Matheson and Dresser joint
As shown in Figure 2, slip joint, comprise slip joint upper cover 1, middle cup 4, lower cup body 5, slip joint trim ring 2 and waterproof apron 3, slip joint lower cup body 5 is enclosed within lower channel 9, in slip joint, cup 4 is enclosed within upper end pipeline 8, the internal diameter of the upper end of middle cup 4 is greater than outer diameter tube, waterproof apron 3 is enclosed within the groove that the upper end of middle cup 4 and upper end pipeline 8 formed, waterproof apron 3 puts and is lined with slip joint trim ring 2, the upper end of upper cover 1 is provided with the chimb for blocking slip joint trim ring 2, slip joint upper cover 1, slip joint trim ring 2, waterproof apron 3, middle cup 4, lower cup body 5 is linked in sequence.Time slip joint upper cover 1 is twisted downwards, slip joint upper cover 1 downwards chimb acts on slip joint trim ring 2, and slip joint trim ring 2 acts on waterproof apron 3, and waterproof apron lower end obtuse angle edge againsts middle cup 4 inner diameter wall and pastes tighter and tighter, and pipeline tightness is better.
In slip joint, the outer wall of cup 4 upper end is provided with screw thread, and upper cover 1 is connected by the upper end of screw thread with middle cup 4; When pipeline is subject to large pressure, slip joint upper cover 1 can not eject easily, and bearing capacity is stronger; In slip joint the middle-end internal diameter of cup 4 and upper end outer diameter tube suitable, middle cup 4 upper end becomes obtuse angle with middle-end joint, consistent with the obtuse angle edge angle that waterproof apron 3 lower end is arranged.
Slip joint lower cup body 5 upper end by convex origin or beginning and inwards protruding end form, in slip joint, cup 4 lower end is provided with the groove matched with convex origin or beginning, convex origin or beginning is embedded in groove, slip joint lower cup body 5 upper end inwards protruding end is connected with lower channel 9, slip joint lower cup body 5 middle-end internal diameter and lower channel 9 external diameter suitable, slip joint lower cup body 5 lower end is provided with outside chimb, and in slip joint, cup 4 lower end is provided with the chimb that matches with it; Slip joint lower cup body 5 is highly 45mm-60mm, in slip joint, the height of cup 4 is 110mm-150mm, and the degree of depth that upper cover and middle cup are inserted in tubing upper end is 48-90mm, and the degree of depth that lower cup body 5 is inserted in tubing lower end is 48mm, meet the standard 48mm of tubing insertion depth, pipe safety is stronger.
The depth of groove that in slip joint, cup 4 is nested with lower cup body 5 is 1mm-5mm, and width is 1mm-5mm, is consistent with the height of the convex origin or beginning in slip joint lower cup body 5 upper end and width; Slip joint upper cover 1 outer wall is provided with anti-skidding lines.
As shown in Figure 3, Figure 4, Matheson and Dresser joint comprises Matheson and Dresser joint body 7 and reducing link 6, Matheson and Dresser joint body 7 upper end is provided with water guide groove 11, drainage hole 14 is provided with in Matheson and Dresser joint body 7, realize secondary drainage function, Matheson and Dresser joint body 7 stage casing is provided with lower water scrobicular ring 15 and chimb inwards, in work progress, the ponding flowed down from water guide groove 11 is through drainage hole 14, along lower water scrobicular ring 15, flow in supervisor, lower water scrobicular ring 15 is wide at the top and narrow at the bottom, form a Xia Shui slope, current are unobstructed, waterproof effect good.Matheson and Dresser joint body 7 lower end is provided with retaining ring, and retaining ring is provided with fastening foot 13 and fixed hole 12; Reducing link 6 is connected with Matheson and Dresser joint body 7, reducing link 6 degree of eccentricity is-10mm-+10mm, the maximum eccentric positive and negative 10mm of tubing itself, can realize overall maximum eccentricity is positive and negative 20mm, eliminate in construction and install inconvenient problem because tube hub bias causes between adjacent two layers, as shown in Figure 5, reducing link 6 arranged outside has anti-skidding chimb 17, in installation process, facilitate pipe fitting to rotate and align.
As shown in Figure 4, Matheson and Dresser joint retaining ring periphery is provided with multiple lead angle formula round edge 16, alternate with fastening foot 13; Matheson and Dresser joint fastening foot 13 is provided with four, and the inner side of fixed hole 12 and the outside of water guide groove 11 in the horizontal plane distance differ 2mm-5mm; Matheson and Dresser joint fixed hole 12 is for lengthening fixed hole, and length is 8mm-12mm, and width is 2mm-5mm.
Apply specific embodiment herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.The above is only the preferred embodiment of the present invention, should be understood that, due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the premise without departing from the principles of the invention, some improvement, retouching or change can also be made, also above-mentioned technical characteristics can be combined by rights; These improve retouching, change or combination, or the design of invention and technological scheme are directly applied to other occasion without improving, and all should be considered as protection scope of the present invention.
Claims (6)
1. a pre-buried Matheson and Dresser joint system, comprises slip joint and Matheson and Dresser joint, and slip joint upper end pipeline is connected with upper strata Matheson and Dresser joint, and slip joint lower channel is connected with lower floor Matheson and Dresser joint,
Described slip joint, comprises slip joint upper cover, middle cup, lower cup body and waterproof apron, and slip joint lower cup body is enclosed within lower channel, and in slip joint, cup is enclosed within the pipeline of upper end, and slip joint upper cover, middle cup, lower cup body are linked in sequence;
Described Matheson and Dresser joint comprises Matheson and Dresser joint body, and Matheson and Dresser joint body upper end is provided with water guide groove, is provided with drainage hole in Matheson and Dresser joint body, and Matheson and Dresser joint body lower end is provided with retaining ring, and retaining ring is provided with fastening foot and fixed hole; It is characterized in that:
Described slip joint also comprises slip joint trim ring, the internal diameter of the upper end of middle cup is greater than outer diameter tube, waterproof apron is enclosed within the groove that the upper end of middle cup and upper end pipeline formed, and waterproof apron puts and is lined with slip joint trim ring, and the upper end of upper cover is provided with the chimb for blocking slip joint trim ring;
Described Matheson and Dresser joint also comprises reducing link, and reducing link is connected with Matheson and Dresser joint body, and the reducing link degree of eccentricity is-10mm-+10mm, and described reducing link arranged outside has anti-skidding chimb.
2. pre-buried Matheson and Dresser joint system according to claim 1, is characterized in that:
The outer wall of the middle cup upper end of described slip joint is provided with screw thread, and upper cover is connected by the upper end of screw thread with middle cup;
In described slip joint the middle-end internal diameter of cup and upper end outer diameter tube suitable, middle cup upper end becomes obtuse angle with middle-end joint, consistent with the obtuse angle edge angle that waterproof apron lower end is arranged;
In described slip joint, cup height is 110mm-150mm.
3. pre-buried Matheson and Dresser joint system according to claim 1, it is characterized in that: the lower cup body upper end of described slip joint by convex origin or beginning and inwards protruding end form, in described slip joint, cup lower end is provided with the groove matched with convex origin or beginning, convex origin or beginning is embedded in groove, slip joint lower cup body upper end inwards protruding end is connected with lower channel, described slip joint lower cup body middle-end internal diameter and lower channel external diameter suitable, described slip joint lower cup body lower end is provided with outside chimb, and in slip joint, cup lower end is provided with the chimb that matches with it; Described slip joint lower cup body height is 45mm-60mm.
4. pre-buried Matheson and Dresser joint system according to claim 1, is characterized in that: the degree of depth of the groove of described slip joint is 1mm-5mm, and width is 1mm-5mm, is consistent with the height of the convex origin or beginning in slip joint lower cup body upper end and width;
Cover outer wall is provided with anti-skidding lines to described slip joint.
5. pre-buried Matheson and Dresser joint system according to claim 1, is characterized in that: described Matheson and Dresser joint retaining ring periphery is provided with multiple lead angle formula round edge, alternate with described fastening foot;
Described Matheson and Dresser joint fastening foot is provided with four, and the inner side of fixed hole and the outside of water guide groove in the horizontal plane distance differ 2mm-5mm;
Described Matheson and Dresser joint fixed hole is for lengthening fixed hole, and length is 8mm-12mm, and width is 2mm-5mm.
6. pre-buried Matheson and Dresser joint system according to claim 1, is characterized in that: described Matheson and Dresser joint body stage casing is provided with lower water scrobicular ring and chimb inwards, and lower water scrobicular ring is wide at the top and narrow at the bottom, forms a Xia Shui slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598981.4A CN104358948B (en) | 2014-10-31 | 2014-10-31 | Pre-buried Matheson and Dresser joint system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598981.4A CN104358948B (en) | 2014-10-31 | 2014-10-31 | Pre-buried Matheson and Dresser joint system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104358948A true CN104358948A (en) | 2015-02-18 |
| CN104358948B CN104358948B (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410598981.4A Active CN104358948B (en) | 2014-10-31 | 2014-10-31 | Pre-buried Matheson and Dresser joint system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104358948B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685331A (en) * | 2019-10-24 | 2020-01-14 | 范文双 | Novel drainage system's extending structure |
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| KR200438176Y1 (en) * | 2007-02-22 | 2008-01-24 | 김봉순 | A drain trap |
| JP2009002476A (en) * | 2007-06-25 | 2009-01-08 | Aron Kasei Co Ltd | Expansion joint |
| CN202442010U (en) * | 2012-02-27 | 2012-09-19 | 东北石油大学 | Pre-buried casing pipe for buildings |
| CN203307887U (en) * | 2013-06-06 | 2013-11-27 | 钟志文 | Variable and adjustable waterproof pre-embedded base |
| CN203431352U (en) * | 2013-08-08 | 2014-02-12 | 顾地科技股份有限公司 | Spiral telescopic joint |
| CN204164532U (en) * | 2014-10-31 | 2015-02-18 | 湖南中财化学建材有限公司 | Pre-buried Matheson and Dresser joint system |
-
2014
- 2014-10-31 CN CN201410598981.4A patent/CN104358948B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200438176Y1 (en) * | 2007-02-22 | 2008-01-24 | 김봉순 | A drain trap |
| JP2009002476A (en) * | 2007-06-25 | 2009-01-08 | Aron Kasei Co Ltd | Expansion joint |
| CN202442010U (en) * | 2012-02-27 | 2012-09-19 | 东北石油大学 | Pre-buried casing pipe for buildings |
| CN203307887U (en) * | 2013-06-06 | 2013-11-27 | 钟志文 | Variable and adjustable waterproof pre-embedded base |
| CN203431352U (en) * | 2013-08-08 | 2014-02-12 | 顾地科技股份有限公司 | Spiral telescopic joint |
| CN204164532U (en) * | 2014-10-31 | 2015-02-18 | 湖南中财化学建材有限公司 | Pre-buried Matheson and Dresser joint system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685331A (en) * | 2019-10-24 | 2020-01-14 | 范文双 | Novel drainage system's extending structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104358948B (en) | 2016-04-20 |
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Effective date of registration: 20240825 Address after: No. 8, Fazhan Road, Ningxiang Economic Development Zone, Changsha, Hunan 410600 Patentee after: HUNAN ZHONGCAI CHEMICAL & BUILDING MATERIAL Co.,Ltd. Country or region after: China Patentee after: ZHEJIANG ZHONGCAI PIPES SCIENCE & TECHNOLOGY Co.,Ltd. Address before: No. 8, Fazhan Road, Ningxiang Economic Development Zone, Changsha, Hunan 410600 Patentee before: HUNAN ZHONGCAI CHEMICAL & BUILDING MATERIAL Co.,Ltd. Country or region before: China |