CN107283814A - A kind of flexible pipe tube expansion head - Google Patents
A kind of flexible pipe tube expansion head Download PDFInfo
- Publication number
- CN107283814A CN107283814A CN201710567738.XA CN201710567738A CN107283814A CN 107283814 A CN107283814 A CN 107283814A CN 201710567738 A CN201710567738 A CN 201710567738A CN 107283814 A CN107283814 A CN 107283814A
- Authority
- CN
- China
- Prior art keywords
- tube expansion
- point valve
- flexible pipe
- expansion point
- head
- 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
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 6
- 229940099259 vaseline Drugs 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 229920001903 high density polyethylene Polymers 0.000 abstract description 3
- 230000000916 dilatatory effect Effects 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241001149930 Protura <class> Species 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 229910000617 Mangalloy Inorganic materials 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 206010030110 Oedema mouth Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000008828 contractile function Effects 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
- B29C57/02—Belling or enlarging, e.g. combined with forming a groove
- B29C57/04—Belling or enlarging, e.g. combined with forming a groove using mechanical means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The present invention relates to a kind of building pipe field, and in particular to the mouth of pipe of flexible pipe dilates installation tool.A kind of flexible pipe tube expansion head, including tube expansion point valve component, tube expansion point valve component head are substantially in cylinder, and tube expansion point valve component is divided into tube expansion point valve by axle center；Also include a cylinder locking cap；Described tube expansion point valve front end outer side is provided with groove；Also include elastic annular thing, the cylinder for being wrapped in tube expansion point valve component is external, coordinates with groove, forms tube expansion part.A kind of flexible pipe tube expansion head of the present invention, without the gap between traditional tube expansion point valve after dilating, tube expansion is uniform, and flexible pipe plastic liner is not pulled, and mouth of pipe rupture is not easily caused, and dilates the bright and clean easy sealing of rear flexible inside pipe wall, eliminates the potential safety hazard of Pipe installing.The present invention improves prior art, and for new tubing field, beneficial effect is obvious, with market popularization value.
Description
Technical field
The present invention relates to a kind of building pipe field, and in particular to the mouth of pipe of flexible pipe dilates installation tool.
Background technology
Flexible pipe includes crosslinked polyethylene pipe, aluminium-plastic pipe, PE-RT pipes.The cunning compact form Connection Step of flexible pipe, including to pipe
Material port is dilated, such as the U of notification number CN 202612934《Flexible pipe slides the attachment structure of tight pipe fitting》It is shown, in its explanation
The 12nd section of book is described that " end for making flexible pipe using modes such as machine tools is slightly opened, could be by the end sleeve of flexible pipe
It is connected in adapter ".Conventional mechanical tube expansion instrument similar at present is such as the U of notification number CN 203495055《Hydraulic cam tube
Device》, its tube head assembly, the tube expansion effect for metal copper pipe.When tube expansion head is dilated, the whole cylinder external diameter in head becomes big, will
The tube stay being enclosed on outside head is big, meanwhile, gap becomes big between the component on head.
The cunning that instrument for such prior art of metal copper pipe tube expansion can be used for flexible pipe is close to and connect, but metal
The connected mode of copper pipe is different from the tight connected mode of flexible pipe cunning, and flexible inner tube layer is the gap between plastic layer, head assembly
And edge acute angle can damage plastic pipe inner wall, the presence in gap in addition, circumferential section dilate a bit stretching it is many, some stretching lacks,
Flexible inside pipe wall tube expansion is uneven, and pipeline slides tight installation, there is potential safety hazard.
The content of the invention
The present invention is directed to the defect of above-mentioned existing tube expansion head presence there is provided a kind of special tube expansion head of flexible pipe, in tube expansion point
Valve external diameter is provided with elastic ring set, can at utmost protect the flexible pipe that relatively fragile inwall is plastic layer, and mouth of pipe tube expansion is uniform,
Eliminate Pipe installing hidden danger.
To achieve the above object, the present invention uses following technical scheme：
A kind of flexible pipe tube expansion head, its feature includes tube expansion point valve component, and tube expansion point valve component head is substantially in cylinder, swollen
Pipe point valve component is divided into the tube expansion point valve of four to 12 by axle center, and tube expansion point valve component internal is provided with circular cone cavity；Also wrap
Include a cylinder locking cap provided with threaded connection part, front end and the tube expansion point valve component afterbody flange portion tap of cylinder locking cap
Touch and fix, and tube expansion point valve component passes through the spacing hole of cylinder locking cap；Described tube expansion point valve front end outer side is provided with groove；
Also include elastic annular thing, the cylinder for being wrapped in tube expansion point valve component is external, coordinates with groove, forms tube expansion part；Described
Elastic annular thing is higher by cylinder external diameter in flexible pipe tube expansion head rounding state, external diameter.
Technical solution of the present invention can be with：
Described elastic annular thing uses Wind spring structure, wind spring two ends to be provided with movable lap after rolling.
Described elastic annular thing is rubber ring.
Described tube expansion point valve component is divided into six tube expansions point valve by axle center.
Provided with lubrication vaseline in described conical cavity body.
Have on described tube expansion point valve component afterbody flange section and a ring spring is provided with a spring groove, spring groove.
Described tube expansion point valve forward portion point is the tapered segment with tooth form；Tapered segment rear end is provided with elastic annular
The tube expansion part of thing.
A kind of flexible pipe tube expansion head of the present invention, without the gap between traditional tube expansion point valve after dilating, tube expansion is uniform,
Flexible pipe plastic liner is not pulled, mouth of pipe rupture is not easily caused, and dilates the bright and clean easy sealing of rear flexible inside pipe wall, eliminates pipeline peace
The potential safety hazard of dress.The present invention improves prior art, and for new tubing field, beneficial effect is obvious, with marketing
Value.
Brief description of the drawings
The perspective cross-sectional schematic diagram of tube expansion head on Fig. 1, the tube expansion instrument of embodiment one；
Fig. 2, the tube expansion alliteration open state of embodiment two schematic cross-sectional view；
Fig. 3, the tube expansion alliteration open state of embodiment two schematic perspective view；
Fig. 4, the tube expansion head rounding state of embodiment three schematic perspective view；
Fig. 5, elastic annular thing schematic perspective view.
Embodiment
With reference to preferred embodiment, the present invention will be further described.
As shown in figure 1, a kind of flexible pipe tube expansion head, including tube expansion point valve component 1, the tube expansion point head of valve component 1 is substantially
In cylinder 12, tube expansion point valve component 1 is divided into six tube expansions point valve 10 by axle center, and the inside of tube expansion point valve component 1 is provided with circular cone
Cavity 11；Also include a cylinder locking cap 2 provided with threaded connection part 20, front end 21 and the tube expansion point valve of cylinder locking cap 2
The contact of the afterbody flange section 14 of component 1 is fixed, and tube expansion point valve component 1 passes through the spacing hole 22 of cylinder locking cap 2；Tube expansion point valve
10 front end outer sides are provided with groove 13；Also include elastic annular thing 4, outside the cylinder 12 for being wrapped in tube expansion point valve component 1, with groove
13 coordinate, and form tube expansion part 18；Described elastic annular thing 4 is higher by cylinder in flexible pipe tube expansion head rounding state, external diameter
The external diameter of body 12.
According to expander precision, tube expansion point valve component 1 is divided into four to 12 tube expansions point valve 10 by axle center.Be divided into three with
Under, dilate that rear precision is too low, applicant has found that effect is undesirable, be also easy to produce flexibility in the substantial amounts of test of tube expansion of flexible pipe
The mouth of pipe dilate it is non-round, exist install leakage test example；More than 13, processing and installation cost are too high, and tube expansion point valve
The part of cylinder 12 of component 1 is difficult to keep cylinder.
Provided with lubrication vaseline 3 in circular cone cavity 11, facilitate 9 running resistances of propulsion conehead part of instrument small, it is smooth.Push away
Enter conehead part 9 with circular cone cavity 11 to coordinate, progradation promotes flexible pipe to be opened with tube expansion alliteration, if flexible pipe be placed on it is swollen
The position of tube portion 18, can dilate the mouth of pipe.The threaded connection part 20 of cylinder locking cap 2 and the fixation screw thread 90 of engagement tool are matched somebody with somebody
Close, realize the fixation of flexible pipe tube expansion head.
The effect of the limited location tube expansion size of spacing hole 22 of cylinder locking cap 2.Tube expansion size can also pass through handle for tool
91 angle comes spacing, for example, adjust the extension elongation of stop screw 92, handle for tool 91, which encounters stop screw 92, to be limited
Position.Certainly, spacing optimal scheme is also placed in flexible pipe tube expansion head and realized, the replacing institute of such tube expansion head different size
The tube expansion position brought itself can be determined, without the other structures size of adjustment tool body.
In this example example, elastic annular thing 4 is one, and corresponding tube expansion part 18 is one, and elastic annular thing 4 is rubber
Circle, the flexible contractile function of material rubber, hardness is higher than Shore A 80, and less than the hardness, flexible inside pipe wall is relatively hard,
Deformation is unfavorable to install；Elastomeric material can be EP rubbers, nitrile rubber, neoprene etc., and the material such as TPU, TPE.Bullet
Property ring 4 internal diameter be less than the external diameter of groove 13, groove 13 can be close to.Described elastic annular thing 4 is in flexible pipe tube expansion head
Rounding state, external diameter is higher by the external diameter of cylinder 12, is higher by preferably 0.2 to 2 millimeter of size.
Elastic annular thing 4 in the present embodiment can also use the structure of wind spring 40 as shown in Figure 5, after the two ends of wind spring 40 are rolled
Provided with movable lap 41.Described removable when referring to that tube expansion part 18 is dilated, lap 41 is less, draws in
When, lap 41 recovers, and wind spring 40 is made of flexible stainless sheet steel or manganese steel thin plate, with certain elasticity
Restoring force.Though wind spring 40 has the part of protruding layer 42 using thin plate, out-of-flatness influences little to flexible inside pipe wall.
Have on the tube expansion point afterbody flange section 14 of valve component 1 and a ring spring 5 be provided with a spring groove 15, spring groove,
For recovering rounding state after tube expansion.
Flexible pipe is to select the swollen of the matching of tube expansion part 18 with the classifiable part of instrument, different tubing specifications with tube expansion head
Tube head；Multiple tube expansion parts 18 can also be concentrated on a flexible pipe tube expansion head.
As shown in Figure 2 and Figure 3, a kind of flexible pipe tube expansion head, including tube expansion point valve component 1, the tube expansion point head of valve component 1
Substantially it is in cylinder 12, tube expansion point valve component 1 is divided into six tube expansions point valve 10 by axle center, and the inside of tube expansion point valve component 1 is provided with
Circular cone cavity 11；Also include a cylinder locking cap 2 provided with threaded connection part 20, the front end 21 of cylinder locking cap 2 and tube expansion
The contact of the afterbody flange section 14 of valve component 1 is divided to fix, and tube expansion point valve component 1 passes through the spacing hole 22 of cylinder locking cap 2；Tube expansion
The front end outer side of valve 10 is divided to be provided with groove 13；Also include elastic annular thing 4, outside the cylinder 12 for being wrapped in tube expansion point valve component 1, with
Groove 13 coordinates, and forms tube expansion part 18；Described elastic annular thing 4 is higher by flexible pipe tube expansion head rounding state, external diameter
The external diameter of cylinder 12.
In the present embodiment, tube expansion part 18 has two sections, two specifications of tubing is corresponded to respectively, tube expansion part 18 can be one
It is individual, two or three.Elastic ring 4 also has two in embodiment, and the work of parcel positioning is played to whole tube expansion point valve component 1
With preventing that deformation is severe, wrapped up without ring spring.To prevent tube expansion point valve component 1 from exiting, set in cylinder locking cap 2
There is a spacer 23.As shown in figure 3, after tube expansion part 18 is dilated, elastic annular thing 4 is followed to swell together, and it is in one to be formed
Individual complete circle, eliminates the gap between the tube expansion point valve 10 of prior art, and tube expansion is uniform, does not pull in flexible pipe plastics
Wall, mouth of pipe rupture is not easily caused, and dilates the bright and clean easy sealing of rear flexible inside pipe wall, eliminates the potential safety hazard of Pipe installing.
As shown in figure 4, a kind of flexible pipe tube expansion head, including tube expansion point valve component 1, the tube expansion point head of valve component 1 is substantially
In cylinder 12, tube expansion point valve component 1 is divided into six tube expansions point valve 10 by axle center, and the inside of tube expansion point valve component 1 is provided with circular cone
Cavity 11；Also include a cylinder locking cap 2 provided with threaded connection part, front end 21 and the tube expansion point valve group of cylinder locking cap 2
The contact of the afterbody flange section of part 1 is fixed, and tube expansion point valve component 1 passes through the spacing hole 22 of cylinder locking cap 2；Before tube expansion point valve 10
End outside is provided with groove 13；Also include elastic annular thing 4, outside the cylinder 12 for being wrapped in tube expansion point valve component 1, match somebody with somebody with groove 13
Close, form tube expansion part 18；Described elastic annular thing 4 is higher by cylinder 12 in flexible pipe tube expansion head rounding state, external diameter
External diameter.
This tube expansion point forward part of valve component 1 is the tapered segment 17 with tooth form 16；The rear end of tapered segment 17 is provided with elasticity
The tube expansion part 18 of ring 4.Tapered segment 17 can when flexible pipe reaming progressively to expand and to tube expansion part 18, tooth
Shape 16 can be engaged flexible pipe, be unlikely to withstand pushing away, the technological break-through prior art characteristic, and fast to abundant and resilience is soft
Property pipe is especially effective.
Metal tube such as copper pipe is compared equal to flexible pipe, meeting resilience contracting meeting after flexible pipe tube expansion, and metal tube is special without this
Property.In addition, the opposing metallic pipe of tooth form 16 is without use, and inner wall of metal tube out-of-flatness, relative flexibility pipe, the swollen mouth of tooth form 16 can be caused
Afterwards, it can return.Partially flexible pipe needs aperture small, it is necessary to repeatedly progressively dilate the requirement that can be only achieved using installing, light
Sliding taper can cause flexible pipe expander to slide, it is impossible to promote, there is the part of tooth form 16, flexible pipe is dilated after occlusion to glide,
Meet installation requirement.
The above-mentioned depth of tooth form 16 is no more than 1.5 millimeters；Too deep flexible pipe retraction is slow, and influence is normal to install rhythm.
Knurled portion 29 is additionally provided with the external diameter of cylinder locking cap 2.
In the present embodiment, after tube expansion part 18 is dilated, elastic annular thing 4 is followed to swell together, and forms complete in one
Whole circle, eliminates the gap between the tube expansion point valve 10 of prior art, and tube expansion is uniform, flexible pipe plastic liner is not pulled, no
Mouth of pipe rupture is easily caused, and dilates the bright and clean easy sealing of rear flexible inside pipe wall, the potential safety hazard of Pipe installing is eliminated.This structure is not only
The flexible pipe with general wall thickness is applicable, the flexible pipe compared with thick wall is applied also for, such as S3.2 series is with lower wall thickness.The present invention is improved
Prior art, and for new tubing field, beneficial effect is obvious, with market popularization value.
Claims (8)
1. a kind of flexible pipe tube expansion head, it is characterised in that including tube expansion point valve component (1), tube expansion point valve component (1) head is big
Body is in cylinder (12), and tube expansion point valve component (1) is divided into the tube expansion point valve (10) of four to 12, tube expansion point valve group by axle center
Circular cone cavity (11) is provided with inside part (1)；Also include a cylinder locking cap (2) provided with threaded connection part (20), cylinder is solid
The front end (21) and tube expansion point valve component (1) afterbody flange section (14) for determining cap (2) contact fixation, and tube expansion point valve component (1)
Through the spacing hole (22) of cylinder locking cap (2)；
Described tube expansion point valve (10) front end outer side is provided with groove (13)；Also include elastic annular thing (4), be wrapped in tube expansion point valve
The cylinder (12) of component (1) outside, coordinates with groove (13), is formed tube expansion part (18)；
Described elastic annular thing (4) is in flexible pipe tube expansion head rounding state, and external diameter is higher by cylinder (12) external diameter.
2. a kind of flexible pipe tube expansion head as claimed in claim 1, it is characterised in that：Described elastic annular thing (4) is used
Wind spring (40) structure, wind spring (40) two ends are provided with movable lap (41) after rolling.
3. a kind of flexible pipe tube expansion head as claimed in claim 1, it is characterised in that：Described elastic annular thing (4) is rubber
Cushion rubber.
4. a kind of flexible pipe tube expansion head as claimed in claim 1, it is characterised in that：Described tube expansion point valve component (1) is pressed
Axle center is divided into six tube expansions point valve (10).
5. a kind of flexible pipe tube expansion head as claimed in claim 1, it is characterised in that：It is provided with described circular cone cavity (11)
Lubricate vaseline (3).
6. a kind of flexible pipe tube expansion head as described in claim 1 to 5 is any, it is characterised in that：Described tube expansion point valve group
Have on part (1) afterbody flange section (14) and a ring spring (5) is provided with a spring groove (15), spring groove (15).
7. a kind of flexible pipe tube expansion head as described in claim 1 to 5 is any, it is characterised in that：Described tube expansion point valve group
Part (1) forward part is the tapered segment (17) with tooth form (16)；Tapered segment (17) rear end is provided with the swollen of elastic annular thing (4)
Tube portion (18).
8. a kind of flexible pipe tube expansion head as claimed in claim 6, it is characterised in that：Before described tube expansion point valve component (1)
Part is the tapered segment (17) with tooth form (16)；Tapered segment (17) rear end is provided with the tube expansion part of elastic annular thing (4)
(18)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567738.XA CN107283814B (en) | 2017-07-12 | 2017-07-12 | A kind of effective tube expansion head of flexibility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567738.XA CN107283814B (en) | 2017-07-12 | 2017-07-12 | A kind of effective tube expansion head of flexibility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107283814A true CN107283814A (en) | 2017-10-24 |
| CN107283814B CN107283814B (en) | 2018-08-03 |
Family
ID=60100690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710567738.XA Active CN107283814B (en) | 2017-07-12 | 2017-07-12 | A kind of effective tube expansion head of flexibility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107283814B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895365A (en) * | 2019-03-28 | 2019-06-18 | 台州半城暖通科技有限公司 | A kind of pipeline tube expansion installation tool |
| CN114012826A (en) * | 2021-11-03 | 2022-02-08 | 浙江万得凯流体设备科技股份有限公司 | Combined tool rest for processing PEX pipe fitting |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB756108A (en) * | 1954-07-27 | 1956-08-29 | James Phineas Zallea | Improvements in expansion joint and method of making same |
| CN105583310A (en) * | 2014-10-20 | 2016-05-18 | 北京有色金属研究总院 | Hole-enlarging deforming device and method for metal pipe fitting |
| CN205763344U (en) * | 2016-05-27 | 2016-12-07 | 镇江市恒源汽车零部件有限公司 | A kind of pipe fitting full circle sizing processing mold |
| CN106322008A (en) * | 2016-09-25 | 2017-01-11 | 黄德修 | Pipe fitting |
-
2017
- 2017-07-12 CN CN201710567738.XA patent/CN107283814B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB756108A (en) * | 1954-07-27 | 1956-08-29 | James Phineas Zallea | Improvements in expansion joint and method of making same |
| CN105583310A (en) * | 2014-10-20 | 2016-05-18 | 北京有色金属研究总院 | Hole-enlarging deforming device and method for metal pipe fitting |
| CN205763344U (en) * | 2016-05-27 | 2016-12-07 | 镇江市恒源汽车零部件有限公司 | A kind of pipe fitting full circle sizing processing mold |
| CN106322008A (en) * | 2016-09-25 | 2017-01-11 | 黄德修 | Pipe fitting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895365A (en) * | 2019-03-28 | 2019-06-18 | 台州半城暖通科技有限公司 | A kind of pipeline tube expansion installation tool |
| CN114012826A (en) * | 2021-11-03 | 2022-02-08 | 浙江万得凯流体设备科技股份有限公司 | Combined tool rest for processing PEX pipe fitting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107283814B (en) | 2018-08-03 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180622 Address after: 317600 Yongle lane, Yucheng street, Yuhuan, Zhejiang Province, No. 20 Applicant after: TAIZHOU BANCHENG HVAC TECHNOLOGY Co.,Ltd. Address before: 317600 Dongping Road, new 83, Dongmen, Yuhuan, Taizhou, Zhejiang Applicant before: Huang Dexiu |
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Effective date of registration: 20191203 Address after: 232000 High-tech Industrial Park Building 9, Shannan New District, Xiejiaji District, Huainan City, Anhui Province Patentee after: ANHUI AIFULISHE BUILDING TECHNOLOGY Co.,Ltd. Address before: 317600 Yongle lane, Yucheng street, Yuhuan, Zhejiang Province, No. 20 Patentee before: TAIZHOU BANCHENG HVAC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Expansion head for flexible pipe Effective date of registration: 20211102 Granted publication date: 20180803 Pledgee: Huainan Zhongchuang Technology Industry Financing Guarantee Co.,Ltd. Pledgor: ANHUI AIFULISHE BUILDING TECHNOLOGY Co.,Ltd. Registration number: Y2021980011737 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231026 Granted publication date: 20180803 Pledgee: Huainan Zhongchuang Technology Industry Financing Guarantee Co.,Ltd. Pledgor: ANHUI AIFULISHE BUILDING TECHNOLOGY Co.,Ltd. Registration number: Y2021980011737 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Expansion head for flexible pipes Granted publication date: 20180803 Pledgee: Huainan Square Road Branch of Huishang Bank Co.,Ltd. Pledgor: ANHUI AIFULISHE BUILDING TECHNOLOGY Co.,Ltd. Registration number: Y2024980015374 |
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