CN209370697U - A kind of pipeline rehabilitation tooling - Google Patents
A kind of pipeline rehabilitation tooling Download PDFInfo
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- CN209370697U CN209370697U CN201920015412.0U CN201920015412U CN209370697U CN 209370697 U CN209370697 U CN 209370697U CN 201920015412 U CN201920015412 U CN 201920015412U CN 209370697 U CN209370697 U CN 209370697U
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- air bag
- fixed
- installation set
- mounting cylinder
- supporting element
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Abstract
The utility model relates to a kind of pipeline rehabilitation fields, specially a kind of pipeline rehabilitation tooling, including air bag, two mounting bases for the both ends of fixation balloon along its length, it is fixed on the gas tube for being connected to air bag of mounting base, two groups of supporting mechanisms for being used to support them are separately installed in two mounting bases, the supporting mechanism includes the installation set for being sheathed on mounting base, it is installed on the support component of installation set side wall being symmetrical set, support component includes the supporting element being arranged radially along installation set for being removably connected to installation set, it is installed on idler wheel of the supporting element far from installation set one end, it idler wheel axial restraint and circumferentially rotates and is connected to supporting element, air bag outer sheath is equipped with the repair member for being resilient setting.Air bag is mounted on supporting mechanism, is not contacted directly with inner wall of the pipe, is prevented air bag from wearing, and the service life of air bag is extended.
Description
Technical field
The utility model relates to a kind of pipeline rehabilitation fields, and in particular to a kind of pipeline rehabilitation tooling.
Background technique
Various pipelines are after many years use, due to being not good at etc. burn into operational management, inevitably generate broken
Damage and leakage, bring serious economic loss.In China most cities the reparation of sewer pipe all be using excavate after again
The method of pipe laying, with the progress of urbanization, the repair mode not only low efficiency, and be easy to cause the traffic in related location by
Resistance, brings inconvenience.
Application number is CN201521130088.5, and the applying date is that the utility model on December 30th, 2015 discloses a kind of pipe
Tooling, including 3 air bags, respectively air bag a, air bag b, air bag c are repaired in road, and 3 air bags are connected with each other, air bag a
It is equipped with 3-5 layers of adjusting air bag respectively with the outer rim of air bag b, adjusts air bag and is connect with the outer rim of air bag a and air bag b, air bag a,
It exchanges solar term capsule according to pipe diameter size after air bag b inflation to be inflated, as needed successively from nearest apart from air bag a or air bag b
Adjusting air bag start to inflate, until be bonded closely with pipeline, make to be repaired section of pipeline to be completely closed space, air bag c at one
For elastic inflated air bag body, reparation slurries are squeezed to leak source by constantly inflating.The purpose of the utility model is to provide one kind
Update local pipe without excavating and can realize that the auxiliary device of pipeline rehabilitation, the device can adapt to different tube diameters, to it is long away from
It can be repaired simultaneously from more leak sources.
In the prior art, before reaching area to be repaired, air bag a1, air bag b2, air bag c3 and adjusting air bag 8 are insatiable hunger
And inflated condition, it advances in the duct with dragger.Since long-time is using wearing inside pipeline, some places form point
Sharp protrusion.In air bag travels across, is directly contacted with inner wall of the pipe, encounter the place for having sharp protrusion, it may be to air bag
Surface carries out scraping cunning, and serious conditions can stab and hold air bag, prevent air bag is from being further continued for using air bag service life is short, when needing
Normal more ventilation bag.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of pipeline rehabilitation tooling, support
Mechanism can support air bag so that air bag during traveling, is not contacted with inner wall of the pipe will not wear air bag.Extend air bag
Service life.
To achieve the above object, the utility model provides following technical solution:
A kind of pipeline rehabilitation tooling, two mounting bases at the both ends including air bag, for fixation balloon along its length are consolidated
Due to being separately installed with two groups of support machines for being used to support them on the gas tube for being connected to air bag of mounting base, two mounting bases
Structure, supporting mechanism include the installation set for being sheathed on mounting base, the support component being symmetrical set for being installed on installation set side wall, branch
Support component includes the supporting element being arranged radially along installation set for being removably connected to installation set, is installed on supporting element far from installation set
The idler wheel of one end, idler wheel axial restraint and circumferentially rotates and is connected to supporting element, and air bag outer sheath is equipped with the reparation for being resilient setting
Part.
By using above-mentioned technical proposal, when pipeline rehabilitation site operation, air bag is mounted in mounting base, mounting base peace
Loaded on supporting mechanism.Later, pipeline is dragged by dragger, stopped at piping failure.It is inflated by gas tube to air bag, gas
After capsule expansion, the elastic matrix on the outside of air bag is sheathed on air bag expansion, until stopping when repair member penetrates at piping failure
Inflation.Repair member solidification is waited, after fixed at piping failure, air bag is deflated, and balloon contraction is detached from repair member.Pipeline rehabilitation work
Dress leaves pipeline, and supporting element is disassembled from installation set, reduces whole longitudinal height of pipeline rehabilitation tooling, facilitates work
The fast quick-detach of Cheng personnel, carrying and storage.In this way, completing the repair of pipeline.Pipeline rehabilitation tooling is dragged into dragger
When pipeline, air bag is not contacted with inner wall of the pipe, will not wear air bag, extends the service life of air bag.
The utility model is further arranged to: installation set side is provided with mounting groove, and it is convex that mounting groove is circumferentially evenly equipped with fixation
It rises, supporting element is circumferentially evenly equipped with the fixed groove of L-shaped setting, and fixed lobe is embedded and is slidably connected to fixed groove, fixed
Groove one end is in opening setting.
By using above-mentioned technical proposal, when supporting element to be mounted on mounting groove, supporting element circumferential direction will be opened in
The opening of fixed groove is aligned with fixed lobe, and fixed lobe slides in fixed groove later.It is set since fixed groove is L-shaped
It sets, so, to fixed lobe is skidded off from fixed groove, the movement of Yao Jinhang both direction.For example, fixed groove includes
The vertical groove of vertical direction, along the circumferential recess of supporting element circumferential direction, vertical groove is connected to circumferential recess, vertical groove one end
Opening.When supporting element is installed, opening is aligned with fixed lobe, supporting element first does vertical direction movement towards installation set,
So that fixed lobe slides along the vertical direction in vertical groove, when reaching vertical groove and circumferential recess connectivity part, branch is rotated
Support member, so that fixed lobe slides in circumferential recess.Until stop operating branch when fixed lobe is abutted with circumferential recess cell wall
Support member.
The utility model is further arranged to: the installation groove sidewall is uniformly provided with placing groove, and fixed lobe is included in
The abutting section slided on fixed groove, the stretch section in compressive state being fixed between abutting section and placing groove slot bottom abut
Section is slidably connected to placing groove along placement groove depth direction.
It is given when abutting section is slided in fixed groove in the stretch section of compressive state by using above-mentioned technical proposal
Connecting section towards fixed groove direction elastic force so that the slot bottom for pushing against section and fixed groove pushes against, to the slot bottom of fixed groove
Normal pressure, so that fixed lobe is not easy opposite slide with fixed groove after operator decontrols supporting element.
The utility model is further arranged to: supporting element includes the mounting cylinder for being installed on installation set, embeds and along installation
The length that mounting cylinder is stretched out for adjusting support rod that cylinder is in axial sliding connection the support rod in mounting cylinder, is installed on mounting cylinder
Regulating part.
By using above-mentioned technical proposal, regulating part can adjust the length that support rod stretches out mounting cylinder, and then change branch
The length of support member.In this way, can be according to the diameter of hose, to change the length of supporting element, so that mounting base is apart from hose
The distance of inner wall is moderate.
The utility model is further arranged to: support rod includes the polished rod for sliding axially along mounting cylinder and being connected in mounting cylinder
Section, the thread segment fixed with light bar segment, regulating part are axial restraint and circumferentially rotate the rotating block for being connected to mounting cylinder, thread segment
It wears and is threadedly connected to regulating part.
By using above-mentioned technical proposal, since regulating part is threadedly coupled with thread segment, and the polished rod fixed with thread segment
Section slides axially in mounting cylinder along it.So thread segment does the cunning along mounting cylinder axial direction after operator rotates regulating part
It is dynamic.In this way, changing the length of supporting element by the length for changing thread segment stretching mounting cylinder.
The utility model is further arranged to: light bar segment is circumferentially fixed the slide protrusion being set in distance, mounting cylinder
On be provided with the sliding recess being set in distance, slide protrusion is embedded and is in axial sliding connection along mounting cylinder in sliding recess.
By using above-mentioned technical proposal, since slide protrusion is embedded in sliding recess, the side wall and cunning of slide protrusion
The cell wall of dynamic groove abuts.So slide protrusion can in sliding recess Stable sliding.Since slide protrusion is along mounting cylinder axis
To being slidably connected to sliding recess, so, light bar segment is axially steadily slidably connected to mounting cylinder along mounting cylinder.
The utility model is further arranged to: for installation set in opening setting, installation set is solid respectively at the both ends of opening
Surely there is the installation protrusion being symmetrical set, be equipped with the bolt being threadedly coupled with them in two installation protrusions.
By using above-mentioned technical proposal, after installation set is set in mounting base, bolt is worn and is threadedly connected to two
Installation protrusion makes two installation protrusions close to each other, and reduces the sectional area of installation set by bolt, so that installation set and peace
Fill seat interference fit.
The utility model is further arranged to: the repair member includes the elastic matrix for being sheathed on air bag, is fixed on bullet
The repair sheets in gel state of property matrix surface.
By using above-mentioned technical proposal, after air bag expansion, elastic matrix is with air bag expansion, so that fixed thereon
Repair sheets can be expanded and be penetrated into pipe crack.Elastic matrix is able to maintain that the shape of repair sheets, and in air bag and repairing
Isolation band is formed between glue, so that repair sheets adhesion is on air bag.
The utility model has the advantage that
1, air bag is mounted on supporting mechanism, is not contacted directly with inner wall of the pipe, is prevented air bag from wearing, and making for air bag is extended
Use the service life.
2, supporting element is removably connected to installation set, and installation set is removably connected to mounting base, reduces pipeline rehabilitation tooling
Whole longitudinal height, when storage, take up space small, facilitate the fast quick-detach of engineering staff, carrying and storage；
3, regulating part can adjust the length that support rod stretches out mounting cylinder, and then adapt to different size of pipeline.
Detailed description of the invention
Fig. 1 is the structural perspective of the utility model；
Fig. 2 is the partial sectional view of the utility model, for indicating the connection relationship of support component and installation set；
Fig. 3 is the enlarged drawing at the A of the utility model Fig. 2；
Fig. 4 is the partial perspective view of the utility model mounting cylinder, for indicating the fixed groove of mounting cylinder side wall.
Appended drawing reference: 1, mounting base；2, supporting mechanism；21, installation set；211, installation protrusion；212, bolt；213, it installs
Slot；2131, placing groove；22, support component；3, supporting element；31, mounting cylinder；311, fixed groove；3111, vertical groove；
3112, circumferential recess；312, annular groove；313, sliding recess；32, support rod；321, light bar segment；3211, slide protrusion；322, spiral shell
Line section；33, regulating part；331, clamping protrusion；4, idler wheel；5, fixed lobe；51, section is pushed against；52, stretch section；7, air bag；8, it fills
Tracheae；9, repair member；91, elastic matrix；92, repair sheets.
Specific embodiment
The utility model is described further referring to attached drawing.
As shown in Figure 1, a kind of pipeline rehabilitation tooling, both ends including air bag 7, for fixation balloon 7 along its length
Two mounting bases 1, the gas tube 8 for being connected to air bag 7 for being fixed on mounting base 1, two groups of supports for being used to support two mounting bases 1
Mechanism 2 is sheathed on the repair member 9 for being resilient setting in 7 outside of air bag.Repair member 9 includes the elastic matrix for being sheathed on air bag 7
91, it is fixed on the repair sheets 92 in gel state on 91 surface of elastic matrix.
When pipeline rehabilitation site operation, the mounting base 1 for being fixed on 7 both ends of air bag is installed on supporting mechanism 2.Later, quilt
Dragger is dragged into pipeline, stops at piping failure.It is inflated by gas tube 8 to air bag 7, after air bag 7 expands, is sheathed on air bag
The elastic matrix 91 in 7 outsides is expanded with air bag 7, until the repair sheets 92 being fixed on elastic matrix 91 are expanded and penetrate into pipeline
In crack.Stop inflation when repair sheets 92 penetrate at piping failure completely.Repair sheets 92 are waited to solidify, at piping failure
After fixation, air bag 7 is deflated, and air bag 7, which is shunk, is detached from repair member 9.Dragger makes pipeline rehabilitation tooling in the duct in traveling process,
Air bag 7 is not contacted with inner wall of the pipe, will not wear air bag 7, extends the service life of air bag 7.Repair sheets 92 are that Wuhan hundred glues
Close the sealing leakage glue of e-commerce Co., Ltd production.92 curing time of repair sheets is or so 1 hour.Gas tube 8 is far from air bag
One end is equipped with air pump (not shown), and air pump is rest on the ground.Air pressure valve (not shown) is installed on gas tube 8,
When air pressure valve reaches the atmospheric pressure value of setting, air pressure valve is closed, gas air pump inoperative.When the time reaches it is 1 small when after, unscrew air pressure
Valve makes air bag deflate.Air pump is filled and deflated by by gas tube 8 to air bag as the prior art, and details are not described herein again.
Two groups of supporting mechanisms 2 for being used to support them are separately installed in two mounting bases 1, supporting mechanism 2 includes being arranged
In mounting base 1 installation set 21, be installed on the support component 22 being symmetrical set of 21 side wall of installation set, support component 22 includes
It is removably connected to the supporting element 3 of installation set 21 being arranged radially along installation set 21, is installed on supporting element 3 far from installation set 21 1
The idler wheel 4 at end, 4 axial restraint of idler wheel and circumferentially rotates and is connected to supporting element 3.
Installation set 21 is respectively fixed with two peaces being symmetrical set at the both ends of opening in opening setting, installation set 21
Protrusion 211 is filled, is equipped with the bolt 212 being threadedly coupled with them in two installations protrusions 211.Installation set 21 is set in mounting base
After 1, bolt 212 is worn to and is threadedly connected to two installation protrusions 211, makes raised 211 phases of two installations by bolt 212
It is mutually close, and reduce the sectional area of installation set 21, so that installation set 21 and mounting base 1 are interference fitted.Peace is dismantled from mounting base 1
When encapsulation 21, bolt 212 is screwed out, installation set 21 is restored to reset condition, at this time installation set 21 and 1 clearance fit of mounting base, peace
Encapsulation 21 can be removed smoothly from mounting base 1.
In conjunction with shown in Fig. 2 and Fig. 3, supporting element 3 includes the mounting cylinder 31 for being installed on installation set 21, embeds and along mounting cylinder 31
It is in axial sliding connection the support rod 32 in mounting cylinder 31, is installed on mounting cylinder 31 and stretches out mounting cylinder for adjusting support rod 32
The regulating part 33 of 31 length.Support rod 32 includes the light bar segment 321 and light for sliding axially along mounting cylinder 31 and being connected in mounting cylinder 31
The fixed thread segment 322 of rod segment 321, regulating part 33 are axial restraint and circumferentially rotate the rotating block for being connected to mounting cylinder 31, spiral shell
Line section 322 wears and is threadedly connected to regulating part 33.Mounting cylinder 31 is provided with annular groove 312, regulating part 33 close to 33 one end of regulating part
One end is fixed with clamping protrusion 331, and clamping protrusion 331 is clamped and is rotationally connected with annular groove 312.Clamping protrusion 331 has elasticity.
In this way, 33 axial restraint of regulating part and circumferentially rotating and being connected to mounting cylinder 31.Light bar segment 321 is circumferentially fixed to be had and is set in distance
Slide protrusion 3211, the sliding recess 313 being set in distance is provided on mounting cylinder 31, and slide protrusion 3211 is embedded and along mounting cylinder
31 are in axial sliding connection in sliding recess 313.In this way, light bar segment 321 is connected in mounting cylinder 31 along the axial Stable sliding of mounting cylinder 31.
Since rotating block is threadedly coupled with thread segment 322, and the light bar segment 321 fixed with thread segment 322 is in mounting cylinder 31
In only slide axially along mounting cylinder 31.So thread segment 322 does axial along mounting cylinder 31 after operator rotates regulating part 33
Sliding.In this way, changing the length of supporting element 3 by the length for changing the stretching mounting cylinder 31 of thread segment 322.In this way, can be with
According to the diameter of hose, to change the length of supporting element 3, so that distance of the mounting base 1 apart from hose inner wall is moderate.
In conjunction with shown in Fig. 2 and Fig. 4, outer wall of the mounting cylinder 31 far from 4 one end of idler wheel is circumferential, and uniformly there are two L-shaped settings
Fixed groove 311.Fixed groove 311 includes the vertical groove 3111 being arranged along the vertical direction, is circumferentially arranged along mounting cylinder 31
Circumferential recess 3112, vertical groove 3111 are connected to circumferential recess 3112, and vertical groove 3111 is open at one end.21 side of installation set
It is provided with mounting groove 213, mounting groove 213 is circumferential uniformly distributed there are two fixed lobe 5, and 213 side wall of mounting groove uniformly opens that there are two place
Slot 2131, fixed lobe 5 include the abutting section 51 slided on fixed groove 311, are fixed on abutting section 51 and placing groove 2131
The stretch section 52 in compressive state between slot bottom, connecting section are slidably connected to placing groove along 2131 depth direction of placing groove
2131.Stretch section 52 is spring.
When supporting element 3 is installed, the opening of vertical groove 3111 is aligned with section 51 is pushed against, supporting element 3 is first towards peace
Encapsulation 21 does vertical direction movement, slides along the vertical direction in vertical groove 3111 so that pushing against section 51, vertical recessed when reaching
3112 connectivity part of slot 3111 and circumferential recess, rotatable support 3, so that fixed lobe 5 slides in circumferential recess 3112.Until
When abutting section 51 is abutted with 3112 cell wall of circumferential recess, stop operating supporting element 3.It is sliding in fixed groove 311 when pushing against section 51
When dynamic, elastic force of the connecting section towards 311 direction of fixed groove is given in the stretch section 52 of compressive state, so that pushing against section 51 and fixing
The slot bottom of groove 311 pushes against, to the slot bottom normal pressure of fixed groove 311, so that after operator decontrols supporting element 3, it is fixed
Protrusion 5 is not easy opposite slide with fixed groove 311.When supporting element 3 to be removed, if rotatable support 3 in reverse direction, then to
Lower extraction supporting element 3 may make supporting element 3 and installation set 21 to separate.
Working principle: mounting base 1 and the assembling process of supporting mechanism 2 are as follows, and two installation sets 21 are sheathed on two respectively
In a mounting base 1, bolt 212 is passed through to and is threadedly connected to the both ends of 21 opening of installation set, so that the opening of installation set 21 becomes
It is small, and installation set 21 and mounting base 1 are interference fitted.Construction personnel rotates regulating part 33, and the thread segment of mounting cylinder 31 is stretched out in adjustment
322 length enables pipeline rehabilitation tooling to be smoothly put into hose to be solidified.Supporting element 3 is inserted into mounting groove 213
In, it is rotated further by supporting element 3, so that pushing against section 51 and the abutting of 3112 slot bottom of circumferential recess.In this way, completing assembly working.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of pipeline rehabilitation tooling, two peaces including air bag (7), the both ends along its length for being used for fixation balloon (7)
Dress seat (1), the gas tube (8) for being connected to air bag (7) for being fixed on mounting base (1), it is characterized in that: dividing on two mounting bases (1)
Two groups of supporting mechanisms (2) for being used to support them are not installed, the supporting mechanism (2) includes the peace for being sheathed on mounting base (1)
Encapsulation (21), the support component (22) being symmetrical set for being installed on installation set (21) side wall, support component (22) includes removable
It unloads and is connected to the supporting element (3) of installation set (21) being arranged radially along installation set (21), is installed on supporting element (3) far from installation set
(21) idler wheel (4) of one end, idler wheel (4) axial restraint and circumferentially rotating are connected to supporting element (3), and air bag (7) outer sheath is equipped with
It is resilient the repair member (9) of setting.
2. a kind of pipeline rehabilitation tooling according to claim 1, it is characterized in that: the installation set (21) side is provided with installation
Slot (213), mounting groove (213) are circumferentially evenly equipped with fixed lobe (5), and supporting element (3) is circumferentially evenly equipped with the anchor of L-shaped setting
Slot (311), fixed lobe (5) is embedded and is slidably connected to fixed groove (311), and fixed groove (311) one end is in opening setting.
3. a kind of pipeline rehabilitation tooling according to claim 2, it is characterized in that: the mounting groove (213) side wall is uniformly opened
Have placing groove (2131), fixed lobe (5) includes the abutting section (51) slided on fixed groove (311), is fixed on abutting section
(51) stretch section (52) in compressive state between placing groove (2131) slot bottom, connecting section is along placing groove (2131) depth side
To being slidably connected to placing groove (2131).
4. a kind of pipeline rehabilitation tooling according to claim 1, it is characterized in that: the supporting element (3) includes being installed on
The mounting cylinder (31) of encapsulation (21), it is embedded and along mounting cylinder (31) be in axial sliding connection the support rod (32) in mounting cylinder (31),
The regulating part (33) for stretching out the length of mounting cylinder (31) for adjusting support rod (32) being installed on mounting cylinder (31).
5. a kind of pipeline rehabilitation tooling according to claim 4, it is characterized in that: the support rod (32) includes along mounting cylinder
(31) slide axially the light bar segment (321) for being connected in mounting cylinder (31), the thread segment (322) fixed with light bar segment (321), regulating part
(33) it is axial restraint and circumferentially rotates the rotating block for being connected to mounting cylinder (31), thread segment (322) wears and is threadedly connected to
Regulating part (33).
6. a kind of pipeline rehabilitation tooling according to claim 5, it is characterized in that: the light bar segment (321) is circumferentially fixed to be had
The slide protrusion (3211) being set in distance is provided with the sliding recess (313) being set in distance, slide protrusion on mounting cylinder (31)
(3211) it embeds and is in axial sliding connection along mounting cylinder (31) in sliding recess (313).
7. a kind of pipeline rehabilitation tooling according to claim 1, it is characterized in that: the installation set (21) is arranged in opening,
Installation set (21) is respectively fixed with the installation protrusion (211) being symmetrical set at the both ends of opening, and two installations are raised (211)
On be equipped with the bolt (212) being threadedly coupled with them.
8. a kind of pipeline rehabilitation tooling according to claim 1, it is characterized in that: the repair member (9) includes being sheathed on gas
The elastic matrix (91) of capsule (7), the repair sheets (92) in gel state for being fixed on elastic matrix (91) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920015412.0U CN209370697U (en) | 2019-01-05 | 2019-01-05 | A kind of pipeline rehabilitation tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920015412.0U CN209370697U (en) | 2019-01-05 | 2019-01-05 | A kind of pipeline rehabilitation tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209370697U true CN209370697U (en) | 2019-09-10 |
Family
ID=67829246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920015412.0U Active CN209370697U (en) | 2019-01-05 | 2019-01-05 | A kind of pipeline rehabilitation tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209370697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541999A (en) * | 2019-09-27 | 2019-12-06 | 天津商业大学 | hollow shaft pneumatic pipeline robot |
-
2019
- 2019-01-05 CN CN201920015412.0U patent/CN209370697U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541999A (en) * | 2019-09-27 | 2019-12-06 | 天津商业大学 | hollow shaft pneumatic pipeline robot |
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Address after: 311222 Office Building 601-2, Qiaoke Town, Jiangdong Village, Hezhuang Street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Hanling Group Co.,Ltd. Address before: 311222 Office Building 601-2, Qiaoke Town, Jiangdong Village, Hezhuang Street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG HANLING CONSTRUCTION CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |