CN218170813U - Pile head and mould for producing same - Google Patents
Pile head and mould for producing same Download PDFInfo
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- CN218170813U CN218170813U CN202222372150.8U CN202222372150U CN218170813U CN 218170813 U CN218170813 U CN 218170813U CN 202222372150 U CN202222372150 U CN 202222372150U CN 218170813 U CN218170813 U CN 218170813U
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- 230000002787 reinforcement Effects 0.000 claims abstract description 65
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 13
- 239000007787 solid Substances 0.000 description 10
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011513 prestressed concrete Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000392 somatic effect Effects 0.000 description 1
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Abstract
The utility model discloses a pile head and mould of producing this pile head relates to precast pile technical field, a pile head, including square body portion and circle tip, wherein the inside pre-buried square reinforcement cage that has the square reinforcement cage that extends to the circle tip of square body portion, the circular reinforcement cage that the cover was located the square reinforcement cage outside and was connected with it is buried underground to the circle tip, and the rounding off of circle tip and square body portion junction. The utility model provides a pile head mould, includes the lower die block and the last top mould that can lock each other, and lower die block and last top mould edge are provided with a plurality of groups and are used for locking the retaining member of top mould and lower die block down, and lower die block and last top mould are the shaping respectively in the mould has rectangular channel and the half slot that corresponds each other, and lower die block both ends are provided with head board and the tailboard that is used for fixed square steel reinforcement cage and circular steel reinforcement cage respectively. The utility model provides an effective reinforcing end resistance, and convenient to use, a pile head and the mould of producing this pile head that the reliability is high.
Description
Technical Field
The utility model relates to a precast pile technical field especially relates to a pile head and produce mould of this pile head.
Background
The prestressed concrete square pile is a novel prefabricated column, the outer surface area of the square pile with the same diameter is much larger than that of the traditional pipe pile, and the contact area of a pile body and soil in a soil layer is larger than that of the pipe pile, so that the compression resistance and the pulling resistance bearing capacity of a single pile can be improved; the prestressed concrete square pile can be divided into a solid square pile, a hollow square pile, a novel special-shaped solid square pile and the like. The special-shaped solid square pile further improves the lateral resistance of the precast pile in a variable cross section mode, and effectively improves the compression resistance and the pulling resistance bearing capacity of a single pile; however, in practical use, when piling, the pile body is generally directly piled or pile tips are adopted to assist piling, but the end resistance of the pile body is poor, and particularly when a large compressive bearing capacity is needed, the pile length of the pile body needs to be increased to improve the compressive bearing capacity.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pile head is greater than the round end portion in square pile cross-section through the setting, can effectively improve the effect of pile head end resistance to guarantee the resistance to compression bearing capacity of pile body, effectively save the pile body and increase the cost that the pile length brought.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a pile head and mould of production this pile head, includes square body portion and circle tip, wherein the inside pre-buried square reinforcement cage that has the square reinforcement cage that extends to the circle tip of square body portion, the circular tip is buried underground and is equipped with the cover and locates the circular reinforcement cage outside and be connected with it, round tip and square body portion junction rounding off.
Through adopting above-mentioned technical scheme, through the combination setting of square body portion and circle tip, wherein square body portion can with this body coupling of square pile, and the load area of circle tip is greater than square body portion to can effectively guarantee the end resistance of precast pile, improve the bearing capacity of precast pile, reduce the cost that the increase pile length brought.
The utility model discloses further set up to: and the round reinforcement cage and the square reinforcement cage are welded and fixed through auxiliary ribs.
Through adopting above-mentioned technical scheme, through supplementary muscle welded fastening's circular steel reinforcement cage and square steel reinforcement cage, can effectively improve the structural strength of the pile head of circle tip, circular steel reinforcement cage can further strengthen the bearing capacity of circle tip simultaneously, guarantees the reliability that the pile head used.
The utility model discloses further set up to: longitudinal reinforcements of the square reinforcement cage are prestressed reinforcements, an end plate is arranged at the end face of the round end part, and a plurality of primary and secondary holes which are tightly matched with the longitudinal reinforcements of the square reinforcement cage are arranged on the end plate at intervals; and the circular reinforcement cage is welded and fixed on the outer ring of the end plate.
Through adopting above-mentioned technical scheme, through the setting in end plate and primary and secondary hole, can guarantee the prestressing force stretching operation that square steel reinforcement cage indulges the muscle, can realize fixing and spacing of circular steel reinforcement cage through the end plate simultaneously to ensure that pile head main part is the prestressed pile body, further improve the structural strength of pile head.
The utility model discloses further set up to: the cross section of the round end part is a circumscribed circle of the cross section of the square body part.
By adopting the technical scheme, the cross section of the round end part is set to be the circumscribed circle of the cross section of the square body, so that the resistance of the pile head end can be properly increased, the size of the guide hole does not need to be additionally enlarged, and the construction operation of the pile body is effectively facilitated.
The utility model discloses further set up to: the square body end is provided with coupling assembling, coupling assembling is mechanical attach fitting or welded joint.
By adopting the technical scheme, the connecting assembly is convenient for workers to carry out the connection operation of the pile head and the pile end or the pile top of the prefabricated square pile according to the use requirement, so that the pile head can be installed according to the use requirement; when the pile head is used as a pile end, the end resistance of the prefabricated square pile can be improved, when the pile head is used as a pile top, the installation of accessories on the pile top is facilitated, and particularly, the end plate is convenient to use as an embedded steel plate.
The utility model discloses further set up to: lifting lugs are embedded in the square body part and the round end part.
Through adopting above-mentioned technical scheme, the setting of lug makes things convenient for the staff to carry out the hoist and mount and the transportation operation of pile head, effectively improves the suitability that the device used.
The utility model discloses further set up to: the length of the round end part is more than or equal to 0.2m; the length of the square part is more than or equal to 0.5m.
Through adopting above-mentioned technical scheme, through the setting of above-mentioned length, can guarantee that round end portion and square somatic part have sufficient length to alleviate the stress flow when the pile is driven to improve the performance of pile body.
Another object of the utility model is to provide a pile head mould facilitates the use, and can produce the pile head that accords with the requirement for quality.
A pile head mould is used for producing the pile head and comprises a lower bottom mould and an upper top mould which can be mutually buckled, wherein a plurality of groups of locking parts used for locking the upper top mould and the lower bottom mould are arranged at the edges of the lower bottom mould and the upper top mould, and rectangular grooves and semicircular grooves which correspond to each other are respectively formed in the lower bottom mould and the upper top mould; and after the lower bottom die and the upper top die are closed, the two rectangular grooves form a square body part die cavity in a surrounding manner, the two semicircular grooves form a round end part die cavity in a surrounding manner, and a head plate and a tail plate for fixing the square reinforcement cage and the round reinforcement cage are respectively arranged at two ends of the lower bottom die.
Through adopting above-mentioned technical scheme, when carrying out production, connect square steel reinforcement cage and circular steel reinforcement cage respectively in head board and tailboard department, later pour a certain amount of concrete in the mould of going to the bottom, later will go up on the top mould lock to the mould of going to the bottom to through retaining member locking, later place centrifugal treatment on the centrifugal device with the mould, thereby can form the hollow pile body of above-mentioned pile head.
The utility model discloses further set up to: go up top mould upper portion and run through and seted up the feed inlet, it slides respectively to be provided with the flat panel that flushes with the rectangular channel inner wall and the cambered plate that flushes with the half slot inner wall to go up top mould both ends, the head board slides and sets up in the bottom mould, the tailboard is fixed to be set up in the bottom mould.
Through adopting above-mentioned technical scheme, set up the steel reinforcement cage at die block and last top mould inside back down, pour a certain amount of concrete and will go up the top mould lock to die block down in the die block down, and utilize retaining member locking, later carry out the replenishment of concrete through the feed inlet, and go out the operation of vibrating that carries out the vibrator at the feed inlet, after the completion of vibrating, utilize plane board and cambered plate to carry out level and smooth operation to the concrete of feed inlet department, through this kind of mode, guarantee the closely knit degree of solid pile head preparation.
The utility model discloses further set up to: the upper top die and the lower bottom die are fixedly provided with mounting plates close to the outer side of the end face of one side of the semicircular groove, and one side, far away from the semicircular groove, of the upper top die is provided with a filling opening communicated with the rectangular groove in a penetrating mode.
Through adopting above-mentioned technical scheme, set up the steel reinforcement cage at bottom die block down and go up the inside back of top mould, will go up top mould and the mould lock that goes to the bottom, later from pouring into mouthful poured concrete, pour the completion back, will go up top mould and the vertical fixed setting of mould that goes to the bottom vibrate on vibration platform through the mounting panel to the realization is to the tamping operation of concrete, further guarantees the closely knit degree of solid pile head preparation.
To sum up, the utility model discloses a beneficial technological effect does:
(1) The effect of resistance at the pile head end can be effectively improved by arranging the round end part which is larger than the section of the square pile, so that the compression-resistant bearing capacity of the pile body is ensured, and the cost caused by the increase of the pile length of the pile body is effectively saved;
(2) The cross section of the round end part is set to be a circumscribed circle of the cross section of the square body part, so that workers can conveniently carry out construction operation on the pile body;
(3) The hollow pile head can be manufactured by matching the lower bottom die with the upper top die, so that the production of the pile head by workers is further facilitated;
(4) Carry out the vibrator through the feed inlet and vibrate, perhaps fix the pile head mould on vibration platform through the mounting panel, make things convenient for the staff to carry out the production of solid pile head, effectively guarantee the closely knit degree of solid pile head concrete, improve the reliability that the pile head used.
Drawings
Fig. 1 is a schematic front view of the overall structure of embodiment 1 of the present invention;
fig. 2 is a left schematic view of the overall structure of embodiment 1 of the present invention, showing the internal structure of the pile head;
fig. 3 is a schematic front view of the overall structure of embodiment 2 of the present invention;
fig. 4 is a schematic front view of an end plate according to embodiment 2 of the present invention, showing the structure of the primary and secondary holes on the end plate;
fig. 5 is an exploded view of the whole structure of embodiment 3 of the present invention;
fig. 6 is an explosion schematic diagram of the whole structure of embodiment 4 of the invention;
fig. 7 is an exploded view of the overall structure of embodiment 5 of the present invention.
Reference numerals are as follows: 1. a square body portion; 2. a rounded end; 3. a connecting assembly; 4. a square reinforcement cage; 5. a circular reinforcement cage; 6. auxiliary ribs: 7. lifting lugs; 8. an end plate; 9. a primary hole and a secondary hole; 10. a lower bottom die; 11. a top die is mounted; 12. a locking member; 13. a rectangular groove; 14. a semicircular groove; 15. a cambered surface; 16. a head plate; 17. a tail plate; 18. a feed inlet; 19. a flat plate; 20. a cambered plate; 21. mounting a plate; 22. an infusion port.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying examples.
Example 1:
referring to fig. 1 and 2, the pile head comprises a square body part 1 and a round end part 2, wherein the square body part 1 and the round end part 2 are solid pile bodies or hollow pile bodies; wherein the cross-sectional shape of the round end part 2 is a circumscribed circle of the cross-sectional shape of the square body part 1; the joint of the round end part 2 and the square body part 1 is in smooth transition, and the length of the round end part 2 is more than or equal to 0.2m; the length of the square body part 1 is more than or equal to 0.5m.
The cross section of the round end part 2 is set to be the circumscribed circle of the cross section of the square body part 1, so that the resistance of the pile head end can be properly increased, the size of a guide hole does not need to be additionally enlarged, and the construction operation of the pile body is effectively facilitated; and the round end part 2 and the square body part 1 with certain lengths are set at the same time, so that the stress flow impact during piling can be effectively relieved.
The end part of the square body part 1 is provided with a connecting component 3, and the connecting component 3 is a mechanical connecting joint or a welding joint, wherein the mechanical connecting joint is preferably a screw-lock type connecting joint or a hoop type connecting joint.
The connecting assembly 3 is convenient for workers to connect the pile head with the pile end or the pile top of the prefabricated square pile according to the use requirement, so that the pile head can be installed according to the use requirement; when the pile head uses as the stake end, can improve the end resistance of prefabricated square pile, when the pile head uses as the pile bolck, can improve the resistant type of beating of prefabricated square pile, multiple sight that simultaneously applicable pile head used.
Combine attached figure 1, 1 inside pre-buried square reinforcement cage 4 that has to extend to round end 2 of square body portion, round end 2 is buried underground and is equipped with the cover and locates the circular reinforcement cage 5 in the square reinforcement cage 4 outside and be connected with it, and circular reinforcement cage 5 passes through supplementary muscle welded fastening with square reinforcement cage 4. Lifting lugs 7 are embedded in the square body part 1 and the round end part 2.
Through supplementary muscle welded fastening's circular steel reinforcement cage 5 and square steel reinforcement cage 4, can effectively improve the structural strength of the pile head of round tip 2, circular steel reinforcement cage 5 can further strengthen the bearing capacity of round tip 2 simultaneously, guarantees the reliability that the pile head used
The working principle of the embodiment is as follows: through the combination setting of square body portion 1 and round end portion 2, wherein square body portion 1 can with square pile body coupling, and the load area of round end portion 2 is greater than square body portion 1 to can effectively guarantee the end resistance of precast pile, improve the resistance to compression bearing capacity of precast pile, effectively save the pile body and increase the cost that the pile length brought.
Example 2:
referring to fig. 3 and 4, the pile head is based on the embodiment 1, and the difference between the pile head and the embodiment 1 is characterized in that: longitudinal reinforcements of the square reinforcement cage 4 are prestressed reinforcements, the end face of the round end part 2 is fixedly provided with an end plate 8, a plurality of primary and secondary holes 9 which are tightly matched with the longitudinal reinforcements of the square reinforcement cage 4 in a clamping manner are arranged on the end plate 8 at intervals, and the primary and secondary holes 9 are through holes with 8-shaped structures; the circular reinforcement cage 5 is welded and fixed on the outer ring of the end plate 8.
The working principle of the embodiment is as follows: through the setting of end plate 8 and primary and secondary hole 9, can guarantee the prestressing force tensile operation of square steel reinforcement cage 4 vertical reinforcement, can realize fixing and spacing of circular steel reinforcement cage 5 through end plate 8 simultaneously to ensure that pile head main part is the prestressed pile body, further improve the structural strength of pile head.
Example 3:
referring to fig. 5, a pile head mold for producing the pile head is characterized in that: the combined type die comprises a lower die 10 and an upper die 11 which can be buckled with each other, wherein a plurality of groups of locking pieces 12 for locking the upper die 11 and the lower die 10 are arranged at the edges of the lower die 10 and the upper die 11, and the locking pieces 12 are preferably bolt groups.
A rectangular groove 13 and a semicircular groove 14 which correspond to each other are respectively formed in the lower bottom die 10 and the upper top die 11; the rectangular groove 13 and the semicircular groove 14 are communicated with each other, and the division surface of the rectangular groove 13 and the semicircular groove 14 is a smooth transition cambered surface 15; after the lower die 10 and the upper top die 11 are closed, the two rectangular grooves 13 enclose a die cavity of the square body part 1, and the two semicircular grooves 14 enclose a die cavity of the round end part 2.
Wherein, the two ends of the lower bottom die 10 are respectively provided with a head plate 16 and a tail plate 17 for fixing the square reinforcement cage 4 and the round reinforcement cage 5; the head plate 16 is fixedly arranged on one side of the rectangular groove 13 through bolts, and the shape of the head plate 16 is consistent with that of the die cavity of the square body part 1 and is tightly matched with each side wall of the rectangular groove 13; the tail plate 17 is fixed by bolts at one end of the semicircular groove 14 of the lower bottom die 10, and the shape of the tail plate 17 is consistent with that of the round end part 2 and is tightly abutted against the semicircular groove 14. Through the mode, the non-prestressed reinforcement cage can be fixed, and the operation of workers is facilitated.
In another embodiment, the head plate 16 is slidably disposed inside the lower bottom mold 10 along the length direction of the lower bottom mold 10, the shape of the head plate 16 is adapted to the shape of the mold cavity of the square body 1 of the lower bottom mold 10, and the head plate 16 can be matched with the tail plate 17 fixedly disposed through a tensioning device to form a tensioning operation on the longitudinal prestressed bars inside the square reinforcement cage 4, so as to adapt to the processing operation of the prestressed pile head, wherein the tensioning device is the prior art, and is not described herein for further details.
The working principle of the embodiment is as follows: when in production, the square reinforcement cage 4 and the circular reinforcement cage 5 are respectively connected to the head plate 16 and the tail plate 17, then a certain amount of concrete is poured into the lower bottom die 10, then the upper top die 11 is buckled on the lower bottom die 10 and locked by the locking piece 12, and then the die is placed on a centrifugal device for centrifugal treatment, so that the hollow pile body of the pile head can be formed.
Example 4:
referring to fig. 6, the difference between the pile head mold and the embodiment 3 is that based on the embodiment 3: two feed inlets 18 are respectively formed in the upper portion of the upper top die 11 in a penetrating mode, wherein the two feed inlets 18 are respectively communicated with the rectangular groove 13 and the semicircular groove 14, two ends of the upper top die 11 are respectively provided with a plane plate 19 which is flush with the inner wall of the rectangular groove 13 and an arc surface plate 15 which is flush with the inner wall of the semicircular groove 14 in a sliding mode along the length direction of the upper top die 11, the plane plate 19 and the arc surface plate 15 20 are respectively and correspondingly arranged in the head plate 16 in a sliding mode and arranged in the lower bottom die 10, and the tail plate 17 is fixedly arranged in the lower bottom die 10.
The working principle of the embodiment is as follows: set up the steel reinforcement cage at die block 10 and the inside back of last top mould 11 down, pour into a certain amount of concrete and will go up top mould 11 lock to die block 10 down in die block 10 down, and utilize retaining member 12 locking, later carry out the replenishment of concrete through feed inlet 18, and 18 play the operation of vibrating of carrying out the vibrator at feed inlet, after the completion of vibrating, utilize plane board 19 and 15 cambered surface plates 20 to carry out level and smooth operation to the concrete of 18 departments of feed inlet, through this kind of mode, guarantee the closely knit degree of solid pile head preparation.
Example 5:
referring to fig. 7, the difference between the pile head mold and the embodiment 3 is that based on the embodiment 3: the outer sides of the end faces of the upper top die 11 and the lower bottom die 10 close to one side of the semicircular groove 14 are fixedly provided with mounting plates 21, and one side of the upper top die 11 far away from the semicircular groove 14 in the length direction is provided with a pouring opening 22 communicated with the rectangular groove 13 in a penetrating mode.
The working principle of the embodiment is as follows: set up the steel reinforcement cage at bottom die block 10 down and go up 11 inside backs of top die, will go up top die 11 and 10 locks of bottom die and locking, later from pouring into mouthful 22 pouring concrete, pour into the completion back, will go up top die 11 and the vertical fixed setting of bottom die 10 through mounting panel 21 and vibrate on vibration platform to the realization is to the vibration tamping operation of concrete, further guarantees the closely knit degree of solid pile head preparation.
The above, only be the utility model discloses the embodiment of preferred does not restrict according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.
Claims (10)
1. A pile head, comprising: the steel bar round reinforcement cage comprises a square body portion (1) and a round end portion (2), wherein a square steel bar cage (4) extending to the round end portion (2) is pre-buried in the square body portion (1), a round steel bar cage (5) which is sleeved on the outer side of the square steel bar cage (4) and connected with the square steel bar cage is buried in the round end portion (2), and the round end portion (2) is in smooth transition with the connection portion of the square body portion (1).
2. The pile head of claim 1, wherein: and the round reinforcement cage (5) and the square reinforcement cage (4) are fixed by welding through auxiliary ribs.
3. The pile head of claim 1, wherein: longitudinal reinforcements of the square reinforcement cage (4) are prestressed reinforcements, an end plate (8) is arranged at the end face of the round end part (2), and a plurality of primary and secondary holes (9) which are tightly matched with the longitudinal reinforcements of the square reinforcement cage (4) are arranged on the end plate (8) at intervals; and the circular reinforcement cage (5) is welded and fixed on the outer ring of the end plate (8).
4. A pile head according to claim 1, characterised in that: the cross section of the round end part (2) is a circumscribed circle of the cross section of the square body part (1).
5. A pile head according to claim 1, characterised in that: the square body part (1) end part is provided with a connecting assembly (3), and the connecting assembly (3) is a mechanical connecting joint or a welding joint.
6. The pile head of claim 1, wherein: lifting lugs (7) are embedded in the square body part (1) and the round end part (2).
7. A pile head according to claim 1, characterised in that: the length of the round end part (2) is more than or equal to 0.2m; the length of the square body part (1) is more than or equal to 0.5m.
8. A mould for producing a pile head, for use in producing a pile head according to any of claims 1-7, wherein: the locking device comprises a lower bottom die (10) and an upper top die (11) which can be mutually buckled, wherein a plurality of groups of locking pieces (12) used for locking the upper top die (11) and the lower bottom die (10) are arranged at the edges of the lower bottom die (10) and the upper top die (11), and rectangular grooves (13) and semicircular grooves (14) which correspond to each other are respectively formed in the lower bottom die (10) and the upper top die (11); and after the lower bottom die (10) and the upper top die (11) are closed, the two rectangular grooves (13) enclose a square die cavity (1), the two semicircular grooves (14) enclose a die cavity with a round end part (2), and a head plate (16) and a tail plate (17) for fixing the square reinforcement cage (4) are respectively arranged at two ends of the lower bottom die (10).
9. The pile head mold of claim 8, wherein: the upper part of the upper top die (11) is provided with a feed inlet (18) in a penetrating way, and two ends of the upper top die (11) are respectively provided with a plane plate (19) which is flush with the inner wall of the rectangular groove (13) and an arc surface plate (20) which is flush with the inner wall of the semicircular groove (14) in a sliding way.
10. The mold for producing a pile head according to claim 8, wherein: go up top mould (11) and lower bottom mould (10) and be close to semi-circular groove (14) one side terminal surface outside fixed mounting panel (21) of being provided with, go up top mould (11) and keep away from one side of semi-circular groove (14) and run through and be provided with pouring opening (22) that communicate with rectangular channel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222372150.8U CN218170813U (en) | 2022-09-06 | 2022-09-06 | Pile head and mould for producing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222372150.8U CN218170813U (en) | 2022-09-06 | 2022-09-06 | Pile head and mould for producing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218170813U true CN218170813U (en) | 2022-12-30 |
Family
ID=84623162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222372150.8U Active CN218170813U (en) | 2022-09-06 | 2022-09-06 | Pile head and mould for producing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218170813U (en) |
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2022
- 2022-09-06 CN CN202222372150.8U patent/CN218170813U/en active Active
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Effective date of registration: 20240511 Address after: 063000 Linjin Industrial Park, Hangu Management District, Tangshan City, Hebei Province (No. 3 Factory Building of Kunyue Metal Company) Patentee after: Tangshan Zhongzhu New Building Materials Co.,Ltd. Country or region after: China Address before: Room 1102, Floor 11, R&D Building, Ecological Science Park, No. 1620, Zhongtian Avenue, Zhongxin Tianjin Ecological City, Binhai New Area, Tianjin, 300450 Patentee before: Tianjin Tianzhuang Building Materials Technology Co.,Ltd. Country or region before: China |