CN101634388B - Corrugated pipe quickly-assembled joint for gas/water - Google Patents
Corrugated pipe quickly-assembled joint for gas/water Download PDFInfo
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- CN101634388B CN101634388B CN200910101908A CN200910101908A CN101634388B CN 101634388 B CN101634388 B CN 101634388B CN 200910101908 A CN200910101908 A CN 200910101908A CN 200910101908 A CN200910101908 A CN 200910101908A CN 101634388 B CN101634388 B CN 101634388B
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- Prior art keywords
- ring
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- semi
- outer groove
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000000567 combustion gas Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 10
- 229910001369 Brass Inorganic materials 0.000 claims description 6
- 239000010951 brass Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 229910000639 Spring steel Inorganic materials 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a corrugated pipe quickly-assembled joint for gas/water, which comprises a joint I and a joint II, wherein the joint I comprises a pipe body I (4) and a hexagon head I (3); the joint II comprises a hexagon head II (6), an upper pipe body II (5) and a lower pipe body II (7); a passage II (61) is arranged in the hexagon head II (6), and a connecting pipe hoop (9) is arrangedin the passage II (61); the connecting pipe hoop (9) comprises a ring body formed by enclosing a left half ring (91) and a right half ring (92); the outer surface of the left half ring (91) is provided with an arc left outer groove (912), and the outer surface of the right half ring (92) is provided with an arc right outer groove (922); the left outer groove (912) and the right outer groove (922)are enclosed to form an annular outer groove; and a C-shaped clamping ring (93) for tightly connecting the left half ring (91) and the right half ring (92) is arranged in the outer groove. The quickly-assembled joint has convenient use, high tension resistance and favorable sealing performance.
Description
Technical field
The present invention relates to a kind of ready-packaged joint, particularly combustion gas or water and use the bellows ready-packaged joint.
Background technique
200720106353.5 utility model patents that application number is disclose a kind of combustion gas or water is used the bellows ready-packaged joint, comprise joint I and joint II, and it has characteristics simple in structure, easy to use; During actual the use, only need the length of well cutting bellows as required, free-handly then can realize being connected of ready-packaged joint and bellows.But the snap ring that uses among the joint II of this kind ready-packaged joint is the connecting tube clip of routine, and this connecting tube clip is an annulus, and the internal surface of this annulus is provided with the groove of annular, and the annular protrusion of this groove and connecting tube outer surface matches; Whole annulus is provided with cutting mouth longitudinally.During actual the use, apply external force respectively, thereby make the cutting mouth generation be out of shape and enlarge at the two ends of cutting mouth; Produce distortion for the ease of cutting mouth, so the connecting tube clip can only be processed by working of plastics; When the cutting mouth place produces distortion; It is big that the internal diameter of annulus becomes; The connecting tube hoop sleeve is contained in back on the annular protrusion of connecting tube outer surface (this moment, the annular protrusion of connecting tube outer surface just in time fell in the groove of annular), removes external force again, the basic resilient of connecting tube clip.
The connecting tube clip of this kind structure exists following defective: if firmly less than normal, the distortion that the cutting mouth place produces is not obvious, is difficult to the connecting tube hoop sleeve is contained in the connecting tube outer surface; If firmly bigger than normal, the connecting tube clip of easily working of plastics being processed fractures.
Adopt the combustion gas or the water of this kind connecting tube clip to be: in the as installed using process with the greatest drawback that the bellows ready-packaged joint exists; When ready-packaged joint bears bigger pulling force; The connecting tube clip is easy to generate distortion and comes off from ready-packaged joint, causes producing the seepage phenomenon.
Summary of the invention
The technical problem that the present invention will solve provides that a kind of easy to use, resistance to tension is strong, good seal performance, can be used for on-the-spot combustion gas or the water that cooperates bellows to use and use the bellows ready-packaged joint.
In order to solve the problems of the technologies described above, the present invention provides a kind of combustion gas or water to use the bellows ready-packaged joint, comprises joint I and joint II; Joint I comprises the body I that is provided with outside thread I, fixedly installs hexagon head I in the upper end of body I, in hexagon head I, is provided with the passage I that communicates with the inner chamber of body I; Joint II comprises hexagon head II; The upper end of hexagon head II fixedly installs the upper tube body II that has internal thread II; The lower end of hexagon head II fixedly installs the lower tube body II that has outside thread II; Be provided with passage II in the hexagon head II, the two ends of passage II respectively with the inner chamber of upper tube body II and the intracavity inter-connection of lower tube body II; Inner chamber and internal thread II that body I is positioned at upper tube body II link to each other with outside thread I is identical; Be provided with inner seal ring in the passage II, on said inner seal ring, place the connecting tube clip; This connecting tube clip comprises by left semi-ring and right semi-ring and surrounds the cirque body that forms; The internal surface of left side semi-ring is provided with the left inner groovy of arc; The outer surface of left side semi-ring is provided with the outer groove in a left side of arc; The internal surface of right semi-ring is provided with the right inner groovy of arc, and the outer surface of right semi-ring is provided with the right outer groove of arc; Left side inner groovy and right inner groovy surround the inner groovy that forms an annular, and the outer groove in a left side surrounds the outer groove that forms an annular with right outer groove, and the C shape snap ring that left semi-ring and right semi-ring are closely linked to each other is set in the groove outside; Left side semi-ring and right semi-ring adopt brass to process, and C shape snap ring adopts spring steel to process.
As the improvement with the bellows ready-packaged joint of combustion gas of the present invention or water: the outer groove in a left side is the arc groove that waits the longitudinal section with right outer groove, and the longitudinal section of the outer groove in the right side together, the longitudinal section of left outer groove.
As the further improvement with the bellows ready-packaged joint of combustion gas of the present invention or water: left inner groovy and right inner groovy such as are at the arc groove of longitudinal section, and the longitudinal section of left inner groovy is with the longitudinal section of right inner groovy.
As the further improvement of combustion gas of the present invention or water: the notch alignment left side semi-ring of C shape snap ring and the surface of contact of right semi-ring with the bellows ready-packaged joint.
As the further improvement with the bellows ready-packaged joint of combustion gas of the present invention or water: left semi-ring equates with the thickness of right semi-ring.
As the further improvement with the bellows ready-packaged joint of combustion gas of the present invention or water: be with packing ring on the body I, the lower end of body I is provided with trim ring.
As the further improvement with the bellows ready-packaged joint of combustion gas of the present invention or water: hexagon head I is provided with the leak hunting aperture that is connected with passage I.
Combustion gas of the present invention or water are used the bellows ready-packaged joint, can supportingly be used in fuel gas pipeline or water route connection.It is simple in structure, and is easy to use; During actual the use, only need the length of well cutting bellows as required, free-handly then can realize being connected of ready-packaged joint and bellows.During installation, spur left semi-ring and right semi-ring respectively laterally, the left semi-ring that the breach of C shape snap ring is aimed at and the surface of contact of right semi-ring produce and separate, and C shape snap ring also produces deformation thereupon, and whole toric internal diameter becomes big; Therefore can easily the connecting tube hoop sleeve be contained on the annular protrusion of connecting tube outer surface.After the suit action is accomplished, remove external force, under the effect of C shape snap ring restoring force, left semi-ring and right semi-ring are reassembled into a complete cirque body; Thereby realize being fixedly linked of connecting tube clip and connecting tube.Because the unique texture of connecting tube clip, therefore left semi-ring and right semi-ring all can be processed by metal (for example brass), and C shape snap ring can be processed by spring steel; Thereby guarantee that the connecting tube clip can bear big pulling force; Therefore when joint I and joint II received bigger reversal interlocking relay, combustion gas of the present invention or water still can keep sealing with the bellows ready-packaged joint, avoided generation seepage phenomenon between joint I and the joint II.
Description of drawings
Do further explain below in conjunction with the accompanying drawing specific embodiments of the invention.
What Fig. 1 was combustion gas of the present invention or water with the actual user mode of bellows ready-packaged joint partly cuts open schematic representation;
Fig. 2 be among Fig. 1 joint I partly cut open structural representation;
Fig. 3 be among Fig. 1 joint II partly cut open structural representation;
Fig. 4 is the enlarged diagram of the main TV structure of the connecting tube clip 9 among Fig. 3;
Fig. 5 is the schematic top plan view of Fig. 4;
Fig. 6 is the cross-sectional schematic of the A-A among Fig. 5.
Embodiment
Embodiment 1, a kind of combustion gas or water are used the bellows ready-packaged joint, comprise joint I and joint II.
Joint I comprises the body I4 that is provided with outside thread I41, is fixedly connected hexagon head I3 in the upper end of body I4, in hexagon head I3, is provided with passage I31, and this passage I31 is connected with the inner chamber 42 of body I4.Be with packing ring 2 at the outer surface of body I4 and near the place of hexagon head I3.On hexagon head I3, be provided with the leak hunting aperture 1 that is connected with passage I31.
The inner chamber 42 of body I4 is a up-small and down-big passage (being that inner chamber 42 is made up of upper channel and lower channel), and its big or small jointing place (being the jointing place of upper channel and lower channel) formed a step surface.Trim ring 8 is made up of roundlet annulated column 81 and great circle annulated column 82; Roundlet annulated column 81 is identical with the internal diameter of great circle annulated column 82, all is slightly larger than the external diameter of bellows 12; Therefore the external diameter of roundlet annulated column 81 equals the diameter of the lower channel of inner chamber 42, can roundlet annulated column 81 be placed in the lower channel of inner chamber 42, relies on roundlet annulated column 81 to cooperate with the zero clearance of lower channel, and trim ring 8 has just been realized and the linking to each other of body I4.Upper channel and the formed step surface of lower channel are being supported in the upper-end surface of roundlet annulated column 81 at this moment, play spacing effect.
Joint II comprises hexagon head II6, and the upper end of hexagon head II6 is fixedly connected the upper tube body II5 that has internal thread II51, and the lower end of hexagon head II6 is fixedly connected the lower tube body II7 that has outside thread II71.Hexagon head II6 is provided with passage II61; This passage II61 is made up of major path 611 and small channel 612, and the diameter of major path 611 is greater than the diameter of small channel 612, and major path 611 is positioned at the top of small channel 612; Therefore formed a step surface between major path 611 and the small channel 612.Inner seal ring 10 just places on this step surface, places connecting tube clip 9 at the upper surface of this inner seal ring 10.
This connecting tube clip 9 comprises by left semi-ring 91 and right semi-ring 92 and surrounds the cirque body that forms, the thickness of the thickness of left semi-ring 91=right semi-ring 92.Be provided with the left inner groovy 911 of arc at the internal surface of left semi-ring 91; Be provided with the right inner groovy 921 of arc at the internal surface of right semi-ring 92; Left side inner groovy 911 and right inner groovy 921 such as are at the arc groove of longitudinal section, and the longitudinal section of left inner groovy 911 is with the longitudinal section of right inner groovy 921; Therefore left inner groovy 911 surrounds the inner groovy that forms an annular with right inner groovy 921.Be provided with the outer groove 912 in a left side of arc at the outer surface of left semi-ring 91, groove 922 outside the outer surface of right semi-ring 92 is provided with the right side of arc; The outer groove in a left side 912 is the arc groove that waits the longitudinal section with right outer groove 922, and the longitudinal section of the outer groove 922 in the right side together, the longitudinal section of left outer groove 912; Therefore the outer groove 912 in a left side surrounds the outer groove that forms an annular with right outer groove 922.
In the outer groove of this annular, C shape snap ring 93 is set.The internal diameter of this C shape snap ring 93 is equal to or slightly less than (for example 1mm) outer groove (with right outer groove 922 surrounded form by groove outside the left side 912), and innermost diameter caves in.Like this, under the fastening effect of C shape snap ring 93, left semi-ring 91 surrounds with right semi-ring 92 and forms a complete cirque body.Have 2 surface of contact 94 between left side semi-ring 91 and the right semi-ring 92, any surface of contact 94 of breach 931 alignings of C shape snap ring 3 all can.
Actual user mode, as shown in Figure 1: a bellows 12 that attaches on the combustion gas tool, its outside tightly is with the sleeve pipe 11 that flame retardant material is processed.Earlier according to reality need bellows 12 (comprising sleeve pipe 11) be cut to Len req, divest a part of sleeve pipe 11 then in the end, make the end of bellows 12 can be exposed at the outside of sleeve pipe 11.
The erection joint I of elder generation, concrete installation process is following: the inner chamber 42, roundlet annulated column 81 and the great circle annulated column 82 that the end of bellows 12 are passed successively passage I31, body I4; In major path 611, take out connecting tube clip 9; Spur left semi-ring 91 and right semi-ring 92 respectively laterally; Left semi-ring 91 that the breach 931 of C shape snap ring 93 is aimed at and the surface of contact of right semi-ring 92 94 produce and separate, and C shape snap ring 93 also produces deformation thereupon, and whole toric internal diameter becomes big; Thereby easily connecting tube clip 9 is sleeved on the annular protrusion of bellows 12 outer surfaces, this moment, the annular protrusion of connecting tube 12 outer surfaces just in time fell in the inner groovy (surrounded with right inner groovy 921 form by left inner groovy 911) of annular.After the suit action is accomplished, remove external force, under the effect of C shape snap ring 93 restoring forces, left semi-ring 91 is reassembled into a complete cirque body with right semi-ring 92; Thereby connecting tube clip 9 tightly is stuck on the bellows 12.And make connecting tube clip 9 contact with great circle annulated column 82 (promptly this moment, connecting tube clip 9 was positioned at the below of great circle annulated column 82).Because between sleeve pipe 11 and the passage I31 is interference fit, so bellows 12 has been realized and the linking to each other of hexagon head I3.
Follow erection joint II; Concrete installation process is following: the above-mentioned bellows of having installed behind the joint I 12 is continued to pass successively the inner chamber 52 and major path 611 of upper tube body II5, until connecting tube clip 9 and (being the upper surface that connecting tube clip 9 is positioned at inner seal ring 10) till inner seal ring 10 contacts; This moment, bellows 12 just was positioned, and no longer continued descending.At this moment, body I4 is positioned at the inner chamber 52 of upper tube body II5; Rely on internal thread II51 to coincide with outside thread I41 and link to each other, body I4 realizes linking to each other with upper tube body II5.At this moment, great circle annulated column 82 and connecting tube clip 9 all are positioned at the major path 611 of hexagon head II6; And the upper-end surface of connecting tube clip 9 closely contacts with great circle annulated column 82, and the lower end surface of connecting tube clip 9 closely contacts with inner seal ring 10.
At last, only needing to rely on outside thread II71 to link to each other with gas pipe line lower tube body II7 gets final product.
The material that each component adopted is specific as follows: hexagon head I3 and body I4 adopt brass to be made into integration, and upper tube body II5, hexagon head II6 and lower tube body II7 adopt brass to be made into integration.Packing ring 2, trim ring 8 and inner seal ring 10 are NBR or silica gel, and the left semi-ring 91 in the connecting tube clip 9 adopts brass to process with right semi-ring 92, and C shape snap ring 93 adopts spring steel to process.Bellows 12 is 304 stainless steels, and sleeve pipe 11 is a flame retardant plastic.
Test 1, combustion gas or water after embodiment's 1 installation are tested with the bellows ready-packaged joint as follows, making the hydraulic pressure in the bellows 12 is 0.8MPa; Permanent joint II, butt joint I apply the pulling force (purpose is that joint II and joint I are separated) of 230kg, the seepage phenomenon do not occur between joint I and the joint II.
Contrast experiment 1, connecting tube clip 9 among the embodiment 1 is modified to conventional snap ring (informs like background technique.) experimental technique experiment 1 together.The result shows: when butt joint I applied the pulling force of 120kg, the seepage phenomenon will appear in butt joint I and joint II.
Test 2, combustion gas or water after embodiment's 1 installation are tested with the bellows ready-packaged joint as follows, making the hydraulic pressure in the bellows 12 is 2.8MPa; The seepage phenomenon does not appear in this ready-packaged joint.
Contrast experiment 2, connecting tube clip 9 among the embodiment 1 is modified to conventional snap ring (informs like background technique.) experimental technique experiment 2 together.The result shows: when the hydraulic pressure in the bellows 12 is 1.8MPa; The seepage phenomenon will appear in this ready-packaged joint.
At last, it is also to be noted that what more than enumerate only is a specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (7)
1. combustion gas or water are used the bellows ready-packaged joint, comprise joint I and joint II; Joint I comprises the body I (4) that is provided with outside thread I (41), fixedly installs hexagon head I (3) in the upper end of said body I (4), in said hexagon head I (3), is provided with the passage I (31) that communicates with the inner chamber (42) of body I (4); Said joint II comprises hexagon head II (6); The upper end of said hexagon head II (6) fixedly installs the upper tube body II (5) that has internal thread II (51); The lower end of said hexagon head II (6) fixedly installs the lower tube body II (7) that has outside thread II (71); Be provided with passage II (61) in the hexagon head II (6), the two ends of passage II (61) are connected with the inner chamber (52) of upper tube body II (5) and the inner chamber (72) of lower tube body II (7) respectively; Inner chamber (52) and said internal thread II (51) that said body I (4) is positioned at upper tube body II (5) link to each other with outside thread I (41) is identical; Be provided with inner seal ring (10) in the said passage II (61), go up at said inner seal ring (10) and place connecting tube clip (9); It is characterized in that: said connecting tube clip (9) comprises by left semi-ring (91) and right semi-ring (92) and surrounds the cirque body that forms; The internal surface of left side semi-ring (91) is provided with the left inner groovy (911) of arc; The outer surface of left side semi-ring (91) is provided with a left side outer groove (912) of arc; The internal surface of right semi-ring (92) is provided with the right inner groovy (921) of arc, and the outer surface of right semi-ring (92) is provided with the right outer groove (922) of arc; Said left inner groovy (911) and right inner groovy (921) surround the inner groovy that forms an annular; A left side outer groove (912) and right outer groove (922) surround the outer groove that forms an annular, and the C shape snap ring (93) that left semi-ring (91) and right semi-ring (92) are closely linked to each other is set in the groove outside; Said left semi-ring (91) and right semi-ring (92) adopt brass to process, and C shape snap ring (93) adopts spring steel to process.
2. combustion gas according to claim 1 or water are used the bellows ready-packaged joint, it is characterized in that: groove outside the said left side (912) and right outer groove (922) are the arc groove that waits the longitudinal section, and the longitudinal section of the same outer groove in the right side in the longitudinal section of the outer groove in a left side (912) (922).
3. combustion gas according to claim 2 or water are used the bellows ready-packaged joint, it is characterized in that: said left inner groovy (911) and right inner groovy (921) such as are at the arc groove of longitudinal section, and the longitudinal section of left inner groovy (911) is with the longitudinal section of right inner groovy (921).
4. combustion gas according to claim 3 or water are used the bellows ready-packaged joint, it is characterized in that: the breach (931) of said C shape snap ring (93) is aimed at the surface of contact (94) of left semi-ring (91) and right semi-ring (92).
5. combustion gas according to claim 4 or water are used the bellows ready-packaged joint, it is characterized in that: said left semi-ring (91) equates with the thickness of right semi-ring (92).
6. combustion gas according to claim 5 or water are used the bellows ready-packaged joint, it is characterized in that: be with packing ring (2) on the said body I (4), the lower end of body I (4) is provided with trim ring (8).
7. combustion gas according to claim 6 or water are used the bellows ready-packaged joint, it is characterized in that: said hexagon head I (3) is provided with the leak hunting aperture (1) that is connected with passage I (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910101908A CN101634388B (en) | 2009-08-24 | 2009-08-24 | Corrugated pipe quickly-assembled joint for gas/water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910101908A CN101634388B (en) | 2009-08-24 | 2009-08-24 | Corrugated pipe quickly-assembled joint for gas/water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101634388A CN101634388A (en) | 2010-01-27 |
| CN101634388B true CN101634388B (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910101908A Active CN101634388B (en) | 2009-08-24 | 2009-08-24 | Corrugated pipe quickly-assembled joint for gas/water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101634388B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323060A (en) * | 2018-10-31 | 2019-02-12 | 佛山市荣盛龙橡胶密封件有限公司 | Sealing rubber ring is used in a kind of connection of water pipe |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2932009Y (en) * | 2006-05-08 | 2007-08-08 | 李建华 | Connecting pipe |
| CN200943790Y (en) * | 2007-02-08 | 2007-09-05 | 凡思军 | Quickly assembled joint for gas/ water corrugated pipe |
| CN201096245Y (en) * | 2007-09-29 | 2008-08-06 | 吴文庆 | Metal corrugated pipe quick-mounting joint for on-site mounting |
| EP1983244A1 (en) * | 2007-04-17 | 2008-10-22 | Kulm Holding Ag | Coupling arrangement for corrugated metal tube |
-
2009
- 2009-08-24 CN CN200910101908A patent/CN101634388B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2932009Y (en) * | 2006-05-08 | 2007-08-08 | 李建华 | Connecting pipe |
| CN200943790Y (en) * | 2007-02-08 | 2007-09-05 | 凡思军 | Quickly assembled joint for gas/ water corrugated pipe |
| EP1983244A1 (en) * | 2007-04-17 | 2008-10-22 | Kulm Holding Ag | Coupling arrangement for corrugated metal tube |
| CN201096245Y (en) * | 2007-09-29 | 2008-08-06 | 吴文庆 | Metal corrugated pipe quick-mounting joint for on-site mounting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101634388A (en) | 2010-01-27 |
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Application publication date: 20100127 Assignee: Hangzhou Zhejiang MediaTek Technology Co., Ltd. Assignor: Fan Sijun Contract record no.: 2014330000162 Denomination of invention: Corrugated pipe quickly-assembled joint for gas/water Granted publication date: 20121003 License type: Exclusive License Record date: 20140514 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161220 Address after: Hangzhou City, Zhejiang province 311121 Yuhang District Xianlin Street Scarlett Road No. 15 Building 1 Enterprises Patentee after: Hangzhou MediaTek Technology Co., Ltd. Address before: Hangzhou City, Zhejiang province 310023 Xihu District left town Hengjie Industrial Zone No. 5 Patentee before: Fan Sijun |
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| TR01 | Transfer of patent right |