CN209304910U - A kind of big radian core pulling pipe fitting mold of production - Google Patents
A kind of big radian core pulling pipe fitting mold of production Download PDFInfo
- Publication number
- CN209304910U CN209304910U CN201822178156.5U CN201822178156U CN209304910U CN 209304910 U CN209304910 U CN 209304910U CN 201822178156 U CN201822178156 U CN 201822178156U CN 209304910 U CN209304910 U CN 209304910U
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- core
- parting
- sliding block
- die holder
- cavity die
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Abstract
The utility model discloses a kind of big radian core pulling pipe fitting molds of production, its key points of the technical solution are that: including upper die holder and lower die holder, upper die holder is connected with upper cavity die, lower die holder is connected with lower cavity die, upper cavity die and lower cavity die can abut, and type core is provided in die cavity between the two, core package includes the first parting core, second parting core and third parting core, lower die holder is connected with the separating mechanism for separating the second parting core with workpiece, separating mechanism includes the rotor plate with lower die holder rotation connection, the connecting rod that second parting core is connect with rotor plate and the promotion hydraulic cylinder for pushing rotor plate mobile, the pivot center of rotor plate is overlapped with the center of circle of the second parting core, connecting rod is fixedly connected with one end of second type core, connecting rod passes through the second sliding block and it slides with sliding block and connects, push cylinder body and the lower die holder of hydraulic cylinder hinged, it pushes hydraulic The piston rod of cylinder and rotor plate are hinged, and the second sliding block slides on rotor plate upper surface.
Description
Technical field
The utility model belongs to pvc pipe production equipment, more specifically, it relates to a kind of big radian core pulling pipe fitting mould of production
Tool.
Background technique
It is produced in production process using injection mold in 90 degree of pvc pipe elbow, the process of reproduction is needed using core pulling mould
Tool is produced, and is needed during production to the novel core pulling of type core.
One kind disclosed in Chinese patent CN204725784U is for producing big radian core pulling pipe fitting mold, technical points
It is: is made of motor, gear, arc rack and locating piece, the wheel axis connection of motor and gear, band moving gear rotates, circle-arc tooth
Item engages connection with gear, and mode in arc rack driven mold rotation, locating piece is connected on mold, control mode to
The position of upper rotation
Though above scheme can realize the core pulling of product, using the cooperation of gear and arc rack, structure is complex,
Later period maintenance is more troublesome.
Therefore it needs to propose the new technical solution of one kind to solve the above problems.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of big radian core pulling pipe fittings of production
Mold realizes that the structure of product core pulling is simpler, and later period maintenance is lighter.
To achieve the above object, the utility model provides following technical solution: a kind of big radian core pulling pipe fitting mould of production
Tool, including upper die holder and lower die holder, the upper die holder are connected with upper cavity die, and the lower die holder is connected with lower cavity die, the fovea superior
Mould and lower cavity die can abut, and type core is provided in die cavity between the two, and the core package includes the first parting core, the second parting
Core and third parting core, the first parting core, the second parting core and third parting core are end to end, the first parting core and
Third parting core is connected separately with the first side core-pulling mechanism and the second side core-pulling mechanism, and first side core-pulling mechanism includes under
First sliding block of die holder sliding connection and the first guide rod being fixedly connected with upper die holder, first guide rod is close to lower die holder
One end be directed away from one end inclination of lower cavity die, first upper end of slide block is offered first to be led with the cooperation of the first guide rod
To slot, first guide rod is placed in sliding, the first parting core in the first guide groove and is fixed on the first sliding block close to recessed
The end face of mould；Second side core-pulling mechanism includes being fixedly connected with the second sliding block of lower die holder sliding connection and with upper die holder
Second guide rod, second guide rod are tilted close to one end that one end of lower die holder is directed away from lower cavity die, and described second is sliding
Block upper end offers the second guide groove with the cooperation of the second guide rod, and second guide rod is placed in sliding in the second guide groove,
The third parting core is fixed on the second sliding block close to the end face of lower cavity die；The lower die holder, which is connected with, makes the second parting core and work
Part separation separating mechanism, the separating mechanism include with lower die holder rotation connection rotor plate, by the second parting core and rotation
The connecting rod of plate connection and the promotion hydraulic cylinder for pushing rotor plate mobile, the pivot center of the rotor plate and the second parting core
The center of circle is overlapped, and the connecting rod is fixedly connected with one end of second type core, and the connecting rod is across the second sliding block and itself and sliding block
Sliding connection, the cylinder body for pushing hydraulic cylinder and lower die holder are hinged, and the piston rod for pushing hydraulic cylinder and rotor plate are hinged,
Second sliding block slides on rotor plate upper surface.
By using above-mentioned technical proposal, the separation of the second parting core and workpiece by pushing hydraulic cylinder to complete, structure compared with
To be simple, to keep the maintenance in later period more convenient.
The utility model is further arranged to: the first parting core is fixedly connected with positioning close to the end face of lower cavity die
Block, the second parting core offer locating slot close to the end face of the first parting core, and the locating piece can be inserted in locating slot.
By using above-mentioned technical proposal, make the first parting wire mandrel and using the cooperation between locating piece and locating slot
The axis of bi-section core can be overlapped, to keep the size of the workpiece processed more accurate.
The utility model is further arranged to: the locating piece side wall offers the first lozenges, first wedge shape
Face is tilted close to the axis direction of one end of lower cavity die towards the second parting core.
By using above-mentioned technical proposal, locating piece is reduced close to the face of the end face of lower cavity die using the first lozenges
Product is easier to locating piece in insertion locating slot.
The utility model is further arranged to: first guide rod and the second position of the guide rod lower end far from lower cavity die
The second lozenges and third lozenges are offered respectively, and second lozenges and third lozenges are in be vertically arranged.
By using above-mentioned technical proposal, using the first lozenges and the second lozenges reduce respectively the first guide rod and
The area of second guide rod lower end surface, so that the two be made to be easier in the first guide groove of insertion or the second guide groove.
The utility model is further arranged to: the upper die holder lower end offer with the first sliding block and the second sliding block cooperation
First recessing groove and the second recessing groove, when the upper cavity die and lower cavity die abutting, first sliding block is placed in the first recessing groove
Interior, second sliding block is placed in the second recessing groove.
By using above-mentioned technical proposal, using the first recessing groove and the second recessing groove to the first sliding block and the second sliding block
Position is defined, and makes it in injection molding without departing from the connection with lower cavity die, to keep mold more steady in use
It is fixed.
The utility model is further arranged to: the rotor plate upper end is fixedly connected with mounting plate, and the mounting plate is located at
Side of second sliding block far from lower cavity die, the mounting plate are fixedly connected with magnetic block close to the end face of the second sliding block.
By using above-mentioned technical proposal, it move the second sliding block will not arbitrarily using magnetic block, to make the second guiding
Bar can be inserted in the second guide groove, to keep the use process of mold more stable.
The utility model is further arranged to: the connecting rod passes through mounting plate, and the mounting plate upper surface is threadedly coupled
There is fastening bolt, the fastening bolt passes through mounting plate and abuts with connecting rod upper end.
By using above-mentioned technical proposal, the relative position between the second parting core and rotor plate is reduced using fastening bolt
Change, thus make separating mechanism use keep stablize.
The utility model is further arranged to: the connecting rod is in rectangle.
By using above-mentioned technical proposal, make its own that rotation will not occur using the connecting rod of rectangle, to make second
The position of parting core will not change, to keep the use of separating mechanism more stable.
In conclusion the utility model has the following beneficial effects:
1, the utility model separates the second parting core with workpiece using promotion hydraulic cylinder, driving the second parting core movement
Mechanism is relatively simple, to keep the maintenance in later period more convenient；
2, keep the cooperation of the first parting core and the second parting core more accurate by the cooperation of locating piece and locating slot, thus
Keep the size of the part of production more accurate；
3, limit the first sliding block and the position of the second sliding block by the way that recessing groove is arranged, thus both in injection molding no
It can be because being detached from by the pressure for melting PVC and with lower cavity die, to keep the size of the workpiece of processing more accurate.
Detailed description of the invention
Fig. 1 is the perspective view of the present embodiment；
Fig. 2 is the schematic diagram that the present embodiment is used to show Lower die base structure；
Fig. 3 is the schematic diagram that the present embodiment is used to show structure of upper die base.
Detailed description of the invention: 1, upper die holder；11, upper cavity die；12, the first recessing groove；13, the second recessing groove；2, lower die holder；21,
Lower cavity die；3, type core；31, the first parting core；311, locating piece；312, the first lozenges；32, the second parting core；321, it positions
Slot；33, third parting core；4, the first side core-pulling mechanism；41, the first sliding block；42, the first guide groove；43, the first guide rod；
431, the second lozenges；5, the second side core-pulling mechanism；51, the second sliding block；52, the second guide groove；53, the second guide rod；531,
Third lozenges；6, separating mechanism；61, rotor plate；62, hydraulic cylinder is pushed；63, connecting rod；64, mounting plate；65, spiral shell is fastened
Bolt；66, magnetic block.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
A kind of big radian core pulling pipe fitting mold of production, as shown in Figure 1, including upper die holder 1 and lower die holder 2,1 lower end of upper die holder
Mounting groove is offered, use has been bolted upper cavity die 11 in mounting groove, and 2 upper end use of lower die holder has been bolted lower cavity die
21, upper cavity die 11 can be shown in Fig. 3 with lower cavity die 21() it abuts, and two die cavitys can be formed between the two, it is respectively provided in two die cavitys
There is type core 3.Type core 3 includes the first parting core 31, the second parting core 32 and third parting core 33, the first 31, second points of parting core
Type core 32 and third parting core 33 can be end to end.Two the first parting cores 31 are connected with first side core-pulling mechanism 4 jointly,
Two third parting cores 33 are connected separately with second side core-pulling mechanism 5, and two the second side core-pulling mechanisms 5 are located at recessed
The two sides of mould 21.First side core-pulling mechanism 4 includes sliding in the first sliding block 41 of the first sliding block 41 and driving of 2 upper surface of lower die holder
Two mobile first guide rods 43,43 upper end of the first guide rod are bolted with 1 use of upper die holder, 43 lower end of the first guide rod
It is directed away from the direction inclination of lower cavity die 21.First sliding block, 41 upper end offers the first guide groove 42, the first guide groove 42 it is upper
It holds towards the direction of lower cavity die 21 and tilts, the first guide rod 43 can be inserted in sliding in the first guide groove 42, the first parting core 31
Make to be bolted to the first sliding block 41 close to the end face of lower cavity die 21.Second side core-pulling mechanism 5 includes sliding on lower die holder 2
Two mobile second guide rods 53 of the second sliding block 51 and the second sliding block 51 of driving of end face, 53 upper end of the second guide rod and upper mold
1 use of seat is bolted, and 53 lower end of the second guide rod is directed away from the direction inclination of lower cavity die 21.Second sliding block, 51 upper end opens up
There is the second guide groove 52, the upper end of the second guide groove 52 is tilted towards the direction of lower cavity die 21, and the second guide rod 53 can be inserted in
Sliding in second guide groove 52, third parting core 33 make to be bolted to the second sliding block 51 close to the end face of lower cavity die 21.Under
Die holder 2 is also connected with two groups of separating mechanisms 6 for separating the second parting core 32 with workpiece, and separating mechanism 6 includes and 2 turns of lower die holder
The promotion liquid of dynamic rotor plate 61, connecting rod 63 and the driving movement of rotor plate 61 that rotor plate 61 is connect with the second parting core 32
Cylinder pressure 62.The pivot center of rotor plate 61 passes through the center of circle of the second parting core 32, and the second sliding block 51 slides on rotor plate 61
End face.One end of connecting rod 63 is connect with the second parting core 32 close to the end face of third parting core 33 using bolt, the other end
Across the second sliding block 51 and the sliding of itself and the second sliding block 51 connects.Push cylinder body and the lower die holder 2 of hydraulic cylinder 62 hinged, piston
The one end of bar with rotor plate 61 far from its hinge axes is hinged.First keep upper die holder 1 and lower die holder 2 mutual using hydraulic cylinder when in use
Mutually separate, the first side core-pulling mechanism 4 and the second side core-pulling mechanism 5 make the first parting core 31 and third parting core 33 and workpiece at this time
Separation, separates the second guide rod 53 with the second sliding block 51, pushes hydraulic cylinder 62 that rotor plate 61 is pushed to rotate later, makes at this time
Second parting core 32 is separated with workpiece, and workpiece can be detached from the connection with lower cavity die 21, point of the second parting core 32 and workpiece at this time
From by push hydraulic cylinder 62 complete, driving the second parting core 32 it is isolated structure it is relatively simple, thus make the maintenance in later period compared with
For convenience.
When in order to abut the first parting core 31 with the second parting core 32, the axis of the two can be overlapped.Such as Fig. 1 and Fig. 2 institute
Show, the first parting core 31 is close to the end face of lower cavity die 21 integrally formed with locating piece 311, and the second parting core 32 is close to the first parting
The end face of core 31 offers the locating slot 321 cooperated with locating piece 311, and locating piece 311 can be inserted in locating slot 321.It utilizes
Cooperation between locating piece 311 and locating slot 321 be overlapped 31 axis of the first parting core and the axis of the second parting core 32 can, from
And keep the size of the workpiece processed more accurate.
In order to be easier to locating piece 311 in insertion locating slot 321, as shown in Fig. 2, 311 4 side walls of locating piece open up
There is the first lozenges 312, the first lozenges 312 inclines close to the axis direction of one end of lower cavity die 21 towards the second parting core 32
Tiltedly.Locating piece 311 is reduced close to the area of the end face of lower cavity die 21 using the first lozenges 312, and locating piece 311 is made to be easier to insert
Enter in locating slot 321.
As shown in Figure 1, due to needing to separate the first guide rod 43 and the first guide groove 42 when using separating mechanism 6,
The second guide rod 53 and the second guide rod 53 are separated, needs to lead first when by upper cavity die 11 and the abutting of lower cavity die 21 later
It is inserted into the first guide groove 42 to bar 43, the second guide rod 53 is inserted into the second guide groove 52, and the process being inserted at this time is more numb
It is tired.Therefore the one end of the first guide rod 43 and 53 lower end of the second guide rod far from lower cavity die 21 offers the second lozenges respectively
431 and third lozenges 531, the first lozenges 312 and the second lozenges 431 are in being vertically arranged.Utilize the first lozenges 312
Reduce the area of 53 lower end surface of the first guide rod 43 and the second guide rod respectively with the second lozenges 431, to make the two more
Easily in the first guide groove 42 of insertion or the second guide groove 52.
As shown in figure 3, since the PVC melted when being molded can apply the first parting core 31 and third parting core 33
Pressure far from lower cavity die 21 makes the first parting core 31 and third parting core 33 be detached from the connection with lower cavity die 21, causes to process
Workpiece scrap.Therefore 1 lower end surface of upper die holder offers respectively steps down with the first of the first sliding block 41 and the cooperation of the second sliding block 51
Slot 12 and two the second recessing grooves 13, the first recessing groove 12 and the second recessing groove 13 are connected to mounting groove, when 11 He of upper cavity die
When lower cavity die 21 abuts, the first sliding block 41 can be placed in the first recessing groove 12, and the second sliding block 51 can be placed in the second recessing groove 13.
The position of first sliding block 41 and the second sliding block 51 is defined using the first recessing groove 12 and the second recessing groove 13, is infusing it
Without departing from the connection with lower cavity die 21 when modeling, to keep mold more stable in use.
As shown in Fig. 2, since separating mechanism 6 can make the second guide groove 52 be detached from the company with the second guide rod 53 at work
It connects, the second sliding block 51 can be moved when rotor plate 61 is mobile at this time, to make the second guiding in the course of work later
Bar 53 can not be inserted into the second guide groove 52.Therefore 61 upper end use of rotor plate has been bolted mounting plate 64, and mounting plate 64
In second one end of sliding block 51 far from lower cavity die 21.Mounting plate 64 is bolted the block that is magnetic close to the end face use of lower cavity die 21
66, magnetic block 66 and the second sliding block 51 are attracted.It move the second sliding block 51 will not arbitrarily using magnetic block 66, to make second to lead
It can be inserted in the second guide groove 52 to bar 53, to keep the use process of mold more stable.
As shown in Fig. 2, since there are frictional force between the second sliding block 51 and connecting rod 63, to be moved in the second sliding block 51
When will lead to connecting rod 63 and move, it is no longer heavy so as to cause the center of circle of the second parting core 32 and the pivot center of rotor plate 61
It closes, influences the use of separating mechanism 6.Therefore connecting rod 63 passes through mounting plate 64 and it slides with mounting plate 64 and connects, mounting plate
64 threaded upper ends are connected with fastening bolt 65, and the screw rod of fastening bolt 65 passes through mounting plate 64 and abuts with 63 upper end of connecting rod.Benefit
The change that the relative position between the second parting core 32 and rotor plate 61 is reduced with fastening bolt 65, to make separating mechanism 6
Stablized using holding.
As shown in Fig. 2, connect since the second parting core 32 only relies on connecting rod 63 with mounting plate 64, at this time type core 3 with turn
Subtle change can occur for the position of movable plate 61, can not be detached from workpiece so as to cause the second parting core 32.Therefore connecting rod 63
In rectangle, make its own that rotation will not occur using the connecting rod 63 of rectangle, so that making the position of the second parting core 32 will not send out
It is raw to change, to keep the use of separating mechanism 6 more stable.
Working principle:
After completing injection molding, upper die holder 1 and lower die holder 2 are separated, at this time 53 envelope of the first guide rod 43 and the second guide rod
It closes and the first sliding block 41 and the second sliding block 51 is pushed to move far from lower cavity die 21, make the first parting core 31 and the second parting core 32 and work
Part separation pushes hydraulic cylinder 62 that rotor plate 61 is pushed to rotate, to make later when the second guide rod 53 is disconnected with sliding block
Third parting core 33 along rotor plate 61 pivot axis, so that third parting core 33 be made to be detached from and the connection of workpiece.At this time
Workpiece and lower cavity die 21 can be detached from.
Specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this field
Technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
Claims (8)
1. a kind of big radian core pulling pipe fitting mold of production, including upper die holder (1) and lower die holder (2), it is characterised in that: the upper mold
Seat (1) is connected with upper cavity die (11), and the lower die holder (2) is connected with lower cavity die (21), the upper cavity die (11) and lower cavity die
(21) it can abut, and be provided with type core (3) in die cavity between the two, the type core (3) includes the first parting core (31), second
Parting core (32) and third parting core (33), the first parting core (31), the second parting core (32) and third parting core (33)
End to end, the first parting core (31) and third parting core (33) are connected separately with the first side core-pulling mechanism (4) and second
Side core-pulling mechanism (5), first side core-pulling mechanism (4) include with lower die holder (2) sliding connection the first sliding block (41) and with
The first guide rod (43) that upper die holder (1) is fixedly connected, one end direction of first guide rod (43) close to lower die holder (2) are remote
One end inclination from lower cavity die (21), the first sliding block (41) upper end is offered leads with the first of the first guide rod (43) cooperation
To slot (42), first guide rod (43) is placed in sliding, the first parting core (31) in the first guide groove (42) and is fixed on
End face of first sliding block (41) close to lower cavity die (21)；Second side core-pulling mechanism (5) includes sliding to connect with lower die holder (2)
The second sliding block (51) and the second guide rod (53) for being fixedly connected with upper die holder (1), second guide rod (53) is under
One end of die holder (2) is directed away from one end inclination of lower cavity die (21), and the second sliding block (51) upper end is offered leads with second
The second guide groove (52) cooperated to bar (53), second guide rod (53) is placed in sliding in the second guide groove (52), described
Third parting core (33) is fixed on the end face of the second sliding block (51) close to lower cavity die (21)；The lower die holder (2), which is connected with, makes
The separating mechanism (6) that bi-section core (32) is separated with workpiece, the separating mechanism (6) include being rotatablely connected with lower die holder (2)
What rotor plate (61), the connecting rod (63) that the second parting core (32) is connect with rotor plate (61) and promotion rotor plate (61) were moved
It pushes hydraulic cylinder (62), the pivot center of the rotor plate (61) is overlapped with the center of circle of the second parting core (32), the connecting rod
(63) it is fixedly connected with one end of the second parting core (32), the connecting rod (63) passes through the second sliding block (51) and it is sliding with sliding block
Move connection, it is described push hydraulic cylinder (62) cylinder body and lower die holder (2) hingedly, it is described push hydraulic cylinder (62) piston rod with turn
Hingedly, second sliding block (51) slides on rotor plate (61) upper surface to movable plate (61).
2. a kind of big radian core pulling pipe fitting mold of production according to claim 1, it is characterised in that: the first parting core
(31) end face close to lower cavity die (21) is fixedly connected with locating piece (311), and the second parting core (32) is close to the first parting
The end face of core (31) offers locating slot (321), and the locating piece (311) can be inserted in locating slot (321).
3. a kind of big radian core pulling pipe fitting mold of production according to claim 2, it is characterised in that: the locating piece
(311) side wall offers the first lozenges (312), one end direction of first lozenges (312) close to lower cavity die (21)
The axis direction of second parting core (32) tilts.
4. a kind of big radian core pulling pipe fitting mold of production according to claim 3, it is characterised in that: first guide rod
(43) and the second guide rod (53) lower end far from the position of lower cavity die (21) offers the second lozenges (431) and third wedge respectively
Shape face (531), second lozenges (431) and third lozenges (531) are in be vertically arranged.
5. a kind of big radian core pulling pipe fitting mold of production according to claim 4, it is characterised in that: the upper die holder (1)
Lower end offers the first recessing groove (12) and the second recessing groove (13) with the first sliding block (41) and the second sliding block (51) cooperation, when
When the upper cavity die (11) and lower cavity die (21) abut, first sliding block (41) is placed in the first recessing groove (12), and described the
Two sliding blocks (51) are placed in the second recessing groove (13).
6. a kind of big radian core pulling pipe fitting mold of production according to claim 5, it is characterised in that: the rotor plate (61)
Upper end is fixedly connected with mounting plate (64), and the mounting plate (64) is located at side of the second sliding block (51) far from lower cavity die (21),
The mounting plate (64) is fixedly connected with magnetic block (66) close to the end face of the second sliding block (51).
7. a kind of big radian core pulling pipe fitting mold of production according to claim 6, it is characterised in that: the connecting rod (63)
Across mounting plate (64), mounting plate (64) upper surface is threaded with fastening bolt (65), and the fastening bolt (65) is worn
Mounting plate (64) is crossed to abut with connecting rod (63) upper end.
8. a kind of big radian core pulling pipe fitting mold of production according to claim 7, it is characterised in that: the connecting rod (63)
In rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822178156.5U CN209304910U (en) | 2018-12-25 | 2018-12-25 | A kind of big radian core pulling pipe fitting mold of production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822178156.5U CN209304910U (en) | 2018-12-25 | 2018-12-25 | A kind of big radian core pulling pipe fitting mold of production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209304910U true CN209304910U (en) | 2019-08-27 |
Family
ID=67678619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822178156.5U Expired - Fee Related CN209304910U (en) | 2018-12-25 | 2018-12-25 | A kind of big radian core pulling pipe fitting mold of production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209304910U (en) |
-
2018
- 2018-12-25 CN CN201822178156.5U patent/CN209304910U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314015 No. 233, Si Gu Qiao section, Jia Luo Road, Xincheng Town, Xiuzhou District, Jiaxing, Zhejiang Patentee after: Zhejiang WeiPai Management Co.,Ltd. Address before: 314015 No. 233, Si Gu Qiao section, Jia Luo Road, Xincheng Town, Xiuzhou District, Jiaxing, Zhejiang Patentee before: ZHEJIANG WEIPAI PIPE INDUSTRY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 Termination date: 20211225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |