CN204036622U - The precast concrete square pile mould of the easy demoulding - Google Patents
The precast concrete square pile mould of the easy demoulding Download PDFInfo
- Publication number
- CN204036622U CN204036622U CN201420186311.7U CN201420186311U CN204036622U CN 204036622 U CN204036622 U CN 204036622U CN 201420186311 U CN201420186311 U CN 201420186311U CN 204036622 U CN204036622 U CN 204036622U
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- moulding plate
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- end template
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 15
- 238000000465 moulding Methods 0.000 claims abstract description 130
- 239000004567 concrete Substances 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000036541 health Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000010923 batch production Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000011513 prestressed concrete Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The precast concrete square pile mould of a kind of easy demoulding that the utility model provides, comprises the end template of horizontal and the side template of vertically-arranged in opposite directions, and the side template of its at least side is moulding plate, and it is framed that the outside of moulding plate is provided with the support be fixedly connected with end template; When producing certain specification square pile, the delivery position of moulding plate bottom and end template is fixed; Moulding plate upper end and support framed between distance can regulate, moulding plate and support framed between be provided with moulding plate positioning device, described moulding plate positioning device can be arranged on the bolt on the framed top of described support, cam or voussoir.The utility model overcomes technology prejudice, in guarantee product quality, reduces costs and pollutes, protects workers ' health several respects all to have obvious effect.
Description
Technical field
The utility model relates to a kind of mould of building element, especially relates to a kind of precast concrete square pile mould.
Background technology
Since 2011 " building industry " 12 " development plan " is issued, building industry is turned to one of important means realizing Green Architectural Development, obtains the active support of the government, and development is also taken root rapidly in China in building industrialization base.Building industrialization is a kind of modernization construction pattern of factorial praluction pre-constructed unit, auxiliary type assembling residential housing, is the inexorable trend of building energy-saving and environmental protection, green building.Because building industrialization has the advantages such as advanced technology, quality controllable, with short production cycle, environmental protection and by attention all the more.The batch production of concrete square pile is prefabricated, the life requirement that can not only ensure member exterior size, mechanical property and adapt with Service Environment, reduce non-renewable raw-material consumption, building engineering construction speed can also be improved, reduce construction cost, reduce the carrying capacity of environment in production of construction materials and construction.
The batch production production line balance of precast concrete square pile, needs special steel die.Concrete density is usually at 2400kg/m
3left and right, steel density is 7850kg/m
3, the deadweight of reinforced concrete product itself is very large.And in batch production production line balance, load that semi-finished product stake is carried at each inter process, the steel die of handling, its quality is especially up to tens tons, especially, when producing prestressed concrete square pile, also need to use stretching machine, the pressure up to hundred tons is applied at the two ends of mould, more require that mold stiffness is large, indeformable, still can ensure product external dimensions after a number of uses, have higher requirement to the bearing capacity and stiffness of mould.Meanwhile, for enhancing productivity, reducing production cost, also requiring that mould assembling is convenient, the demoulding easy, to accelerate mould turnaround speed.But precast concrete square pile mould of the prior art can not meet the requirement of above two aspects simultaneously.
Demoulding difficulty, be the steel precast concrete square pile mould unsolved problem for a long time used in production line balance, it directly brings the harm of two aspects: the first, lifts by crane the demoulding repeatedly, easily make concrete square pile occur crackle, have a strong impact on product quality.The second, weigh the punching block of several tons, and after lifting, the demoulding is fallen ground, and both mold damage self, damaged facility floor again; Meanwhile, punching block fall formed serious flying dust and noise pollution, infringement staff health.
The requirement of two aspects to mould described in background technology part, for precast concrete square pile mould of the prior art, conflicting, cannot take into account.Be limited to " template of mould can only be single structure " this technology prejudice, those skilled in the art is when designing precast concrete square pile mould, for meeting rigidity requirement and the product quality requirement of mould, thick and heavy solid material must be adopted to improve the intensity of mould, inevitably increase the demoulding difficulty of mould like this.The utility model overcomes technology prejudice, with moulding plate with support the side template that these two independences framed and the component of working in coordination replace at least side, the function of two aspects realized by side template in prior art is done partition to distribute, realized by the framed and moulding plate of support respectively.The support that, intensity thick and heavy by material is high is framed realizes the requirement of the bearing capacity and stiffness to mould, and the moulding plate only with moulding function only bears the less pressure of concrete mud transverse direction, material comparatively thin material manufacture can be adopted, thus, be easy to regulate and assembling.
Described moulding plate positioning device can be arranged on described moulding plate and support framed between support device.
Support device can be the bolt being horizontally set on the framed top of described support; Support and be framedly provided with positioning screw hole, the screw rod of bolt is anterior enter moulding plate through described positioning screw hole and support framed.
When adopting bolt as support device, the front end of described bolt can not be connected with moulding plate, and bolt inwardly can only push away the moulding plate of support, and the moulding plate that can not outwards be pulled.Also push-and-pull bolt seat can be set on described moulding plate, the screw front end of bolt is flexibly connected with push-and-pull bolt seat, like this, described bolt just not luminous energy inwardly push away the moulding plate of support, and the moulding plate that can also outwards be pulled, moulding plate is made to leave shaping concrete pile body side, the demoulding of being more convenient for.
For easy to operate, described support device can for be arranged on support framed on cam.The type of cam, can adopt any one of disc cam, cylindrical cam or translating cam, or its combination.
When adopting disc cam, the rotating shaft of cam will be parallel to end template and moulding plate, or perpendicular to end template.When disc cam is along the cross section of mould or along the horizontal plane along rotation, its flange pushes away support or leaves moulding plate.
When adopting cylindrical cam, the rotating shaft of cam will perpendicular to moulding plate during vertical state, and meanwhile, what the outside of described moulding plate will be provided with the protrusion mated with described cylindrical cam shores seat.When cylindrical cam rotates, push away support with its convex surface or loosen moulding plate.
When the cam adopted is the translating cam that can move up and down in the plane perpendicular to moulding plate, that the protrusion simultaneously mated with described translating cam in the arranged outside of described moulding plate shores seat.When translating cam is in the plane perpendicular to moulding plate, when namely moving up and down in the cross-table of mould, the flange of translating cam can push away support or loosen moulding plate.
For simplifying structure, described support device can be arranged on the voussoir outside described moulding plate upper end.During the demoulding, only need by described voussoir from moulding plate and support framed between take out.
The utility model also can arrange outside flanging in described moulding plate upper end, is respectively equipped with corresponding locating hole, forms moulding plate positioning device by the locating hole of described correspondence with the pin penetrated wherein or bolt on described outside flanging is framed with support.
Preferably, the cross section of described moulding plate is " L " shape, and its upstanding portion is moulding plate face, and horizontal bending part is for installing folding face; Described installation folding face and end template are provided with corresponding installing hole, and installation folding face, through the installing hole of described correspondence, is fixedly mounted on end template by bolt.
Further, the acute angles of 84 to 87 degree are preferably formed as between moulding plate face and installation folding face, such shape can make moulding plate face when aforesaid moulding plate positioning device loosens, reply outer dip angle, automatically disengage shaping after the pile body side of concrete square pile, be convenient to the overall demoulding of concrete square pile.
Be: arrange pin in the lower end of moulding plate on end template, arrange the insertion seat matched with described pin by the simplest scheme that moulding plate is arranged on end template, described insertion pin inserts in seat and is positioned on end template moulding plate lower end.Described insertion seat can be installing hole, mounting groove or installation seam.
Articulated mounting can also be set between the lower end of moulding plate and end template, moulding plate is hinged on end template.
Beneficial effect: the utility model overcomes technology prejudice, solves steel precast concrete square pile mould unsolved demoulding difficult problem for a long time.The utility model is with moulding plate and support the side template that these two independences framed and the component of working in coordination replace at least side of existing mold, the function of two aspects realized by side template in prior art is broken and distributes, is realized by the framed and moulding plate of support respectively.The support that, intensity thick and heavy by material is high is framed realizes the requirement of the bearing capacity and stiffness to mould, and material only bears moulding function compared with the moulding plate of thin material manufacture, while meeting the requirement to the bearing capacity and stiffness of mould, meet again the easy demoulding and assemble requirement easily.The utility model, while this problem of solution demoulding difficulty, brings the effect of three aspects: the first, the pendant that falls of mould can be avoided to clash into, prevent die deformation and because falling the concrete square pile crackle hitting and cause, ensure product quality; The second, mould turnaround speed can be accelerated, to enhance productivity, to reduce production cost; 3rd, significantly reduce flying dust and noise pollution, protection workers ' health.
Utility model content
Technical problem: for overcoming the defect of prior art, provides a kind of batch production production line balance that is applicable to, rigidity greatly, not yielding, and the demoulding easily, assemble precast concrete square pile mould easily.
Technical scheme: the precast concrete square pile mould of a kind of easy demoulding that the utility model provides, comprise the end template of horizontal and the side template of vertically-arranged in opposite directions, the side template of its at least side is moulding plate, and it is framed that the outside of described moulding plate is provided with the support be fixedly connected with end template; When producing the concrete square pile of certain specification, the delivery position of described moulding plate bottom and end template is fixed; Described moulding plate upper end and support framed between distance can regulate, moulding plate and support framed between be provided with and regulate the moulding plate positioning device of moulding Board position.
Accompanying drawing illustrates:
Fig. 1 is the sectional view of embodiment 1.
Fig. 2 is the A portion enlarged drawing of the moulding plate positioning device of Fig. 1.
Fig. 3 is the moulding plate positioning device sectional view of embodiment 4.
Fig. 4 is the moulding plate positioning device sectional view of embodiment 5.
Fig. 5 is the moulding plate structure schematic diagram of embodiment 6.
Fig. 6 is the moulding plate positioning device sectional view of embodiment 6.
Fig. 7 is the sectional view after embodiment 1 loads onto pull bar and hanger.
In figure: end template 1, moulding plate 2, support framed 3, adjustable side template 4, strengthen steel plate 5, bolt 50, push-and-pull bolt seat 51, shore seat 60, cylindrical cam 61, pull bar 7, hanger 8, bolt 9, voussoir 10.
Detailed description of the invention:
Below in conjunction with embodiment and Figure of description, the utility model is further detailed.
Embodiment 1:
See Fig. 1, the precast concrete square pile mould of the easy demoulding of the present embodiment, is formed by the transformation of existing adjustable precast concrete square pile mould, comprises end template 1, and the support framed 3 be vertically arranged on end template 1 and adjustable side template 4.Support the fixed bolster plate that framed 3 are exactly existing mold, its shape, structure are all identical with adjustable side template 4, but, it in the present embodiment, only play the effect strengthened mold stiffness and support moulding plate 2, do not contact concrete mud, do not play the moulding effect of general template.
The lower end supporting framed 3 is fixedly welded with end template 1, the lower end of adjustable side template 4 and end template 1 are provided with corresponding installing hole, wherein, installing hole on end template 1 has many groups, when producing the concrete square pile of certain specification, adjustable side template 4 can as required, to be arranged on end template 1 in corresponding one group of installing hole with bolt.
Moulding plate 2 adopts the Q345B steel plate of 3mm thickness to make, and its cross section is " L " shape, and its upstanding portion is moulding plate face, and the bottom surface of horizontal bending is for installing folding face, and described installation folding face is fixedly welded with end template 1.On the lateral surface of moulding plate 2, distance end template 1 is more than the part of more than 50mm, the angle steel being welded with lightweight as reinforcement, to prevent its punching shear.
See Fig. 2, the moulding plate positioning device in the present embodiment is the bolt 50 being horizontally set on framed 3 tops of described support.Support framed 3 and be provided with positioning screw hole, the screw rod of bolt 50 is anterior to be entered moulding plate 2 through described positioning screw hole and supports framed 3, moulding plate 2 is provided with and is connected on by horizontal welding the push-and-pull bolt seat 51 that the angle steel outside it makes, what push-and-pull bolt seat 51 has positioning screw penetrates hole, and the screw front end of bolt 50 penetrates the rear packing ring of push-and-pull bolt seat 51 and pin clamping.During cast, screwed in the length in locating hole by change bolt 50, moulding plate 2 is positioned at pouring position; During the demoulding, bolt 50 is outwards screwed out just moulding plate 2 can be pulled away from shaping after square pile pile body side, concrete square pile is hung out mould.
See Fig. 7, for using when producing the concrete square pile of large gauge, and there is distortion for mould when preventing from applying pressure on mould to produce prestressed concrete square pile, the present embodiment is arranged in end template 1 downside strengthens steel plate 5, between adjustable side template 4 and the upper edge supporting framed 3, arrange pull bar 7; Move for convenience of mould lifting, the present embodiment, in mould both sides, arranges the hanger 8 be connected with end template.
When producing non-prestressed concrete square pile, at the two ends of the present embodiment, end plate can be installed.
When producing prestressed concrete square pile, fixing end plate is not installed at the two ends of the present embodiment, but in mould, arranges baffle plate or the pile top of dimension according to the different size of the square pile that will produce, and arranges stretch board or stretch-draw clamp at the two ends of mould.
Being easy to when adjusting position for making moulding plate form slight swinging deformation, reducing the ejection strength of moulding plate positioning device, on the moulding plate of the present embodiment, an easy bend-band being easy to bend can be set near lower end.Such as, part on the lateral surface of moulding plate 2 within distance bending part 50mm, arrange one along moulding plate longitudinal direction, parallel with end template 1, be highly 20 ~ 40mm, steel plate thickness is processed as the easy bend-band of 2.5mm, this easy bend-band by becoming at the steel plate bending of plane before cross section is " L " shape, by the steel plate milling at this place, can be ground thinning and being formed.Certainly, also partial operation, modified, the easy bend-band described in formation can be carried out with heat treatment mode to moulding plate.
Embodiment 2: the difference of the present embodiment and embodiment 1 is, also the adjustable supports being provided with moulding plate positioning device be transformed in embodiment 1 by adjustable side template 4 in embodiment 1 is framed, also increase in the inboard that this adjustable supports is framed one with plastotype plate 2 shape in embodiment 1, plastotype plate that material is identical, the installation folding face of this moulding plate is provided with the identical installing hole of the installing hole framed with adjustable supports, and this moulding plate and the framed bolt of adjustable supports are arranged on end template 1 in the lump.Like this, adjustable supports is framed, namely former adjustable side template 4 after transformation, in the present embodiment, also framed 3 the same with support, only plays reinforcement mold stiffness and supports the effect of moulding plate, do not contact concrete mud, do not play the moulding effect of general template.When producing the square pile of different size, can make as required this moulding plate framed with adjustable supports together with on end template 1, adjust position.Use the mould of the present embodiment, the moulding plate of the pile body both sides of shaping rear concrete-pile all can outwards depart from, and completes the demoulding, lifting and the demoulding two operations is separated completely, solves prior art Problems existing and harm up hill and dale.
Embodiment 3: the difference of the present embodiment and embodiment 2 is only the change supporting framed structure, the present embodiment does not adopt the adjustable side template of existing mold or fixed bolster plate framed as support, but employing two is isometric with end template 1 respectively, the channel-section steel be arranged in parallel is up and down framed as the support of both sides, every side up and down between channel-section steel compartment of terrain be welded with reinforcement steel plate.The support be made up of channel-section steel framed not only easily manufactured, intensity is high, and owing to leaving space between channel-section steel, is also convenient to operation and the adjustment of mould.
Embodiment 4: see Fig. 3, the difference of the present embodiment and embodiment 1 is in two: on the one hand, the moulding plate positioning device of the present embodiment is that rotating shaft is fixed on the cylindrical cam 61 supporting framed 3 tops, its rotating shaft is perpendicular to the moulding plate 2 during vertical state, and what be provided with the protrusion mated with cylindrical cam 61 outside moulding plate 2 shores seat 60; On the other hand, the installation folding face of the moulding plate 2 of the present embodiment becomes the acute angle of about 86 degree flares with plastotype plate face, such shape can make moulding plate 2 when moulding plate positioning device loosens, and replys outer dip angle, automatically disengage shaping after pile body side, be convenient to the overall demoulding of square pile.During cast, with handle cylindrical cam 61 rotated to its convex surface high-end with shore seat 60 and contact, moulding plate 2 is positioned at pouring position; During the demoulding, rotary handle makes cylindrical cam 61 rotate to high-end the leaving of its convex surface to shore seat 60, then moulding plate 2 is in the reset mode after loosening, and now, concrete square pile can conveniently hang out.
Embodiment 5: see Fig. 4, the difference of the present embodiment and embodiment 1 is, do not adopt the moulding plate positioning device arranged separately, but outside flanging is also set in described moulding plate 2 upper end, the cross section of moulding plate 2 is half I-shaped, described outside flanging and support framed 3 are respectively equipped with corresponding locating hole, and described moulding plate positioning device is the bolt 9 penetrated in the locating hole of described correspondence.
Embodiment 6: the difference of the present embodiment and embodiment 1 is 2 points: one, see Fig. 5, the lower end of the moulding plate 2 of the present embodiment arranges pin, end template arranges the insertion matched with described pin stitch, in insertion seam described in described pin inserts, the lower end of moulding plate 2 is positioned on end template.Two, see Fig. 6, the moulding plate positioning device of the present embodiment is not be arranged on the bolt supporting framed 3 tops, but is arranged on the voussoir 10 outside described moulding plate 2 upper end.During use, as long as voussoir 10 be placed in moulding plate 2 and support between framed 3, can pour into a mould, under the outside promotion of concrete mud, moulding plate 2 stands upright on pouring position.During the demoulding, take out voussoir 10, then moulding plate 2 is in relaxation state, and concrete square pile can hang out in the demoulding.The present embodiment structure is simple, is particularly useful for the transformation of existing mold.As long as offer some insertions seam on the end template of existing mold, load onto moulding plate and and some voussoirs 10 as shown in Figure 6 as shown in Figure 5.
Claims (14)
1. a precast concrete square pile mould for the easy demoulding, comprises the end template of horizontal and the side template of vertically-arranged in opposite directions, it is characterized in that the side template of at least side is moulding plate, and it is framed that the outside of described moulding plate is provided with the support be fixedly connected with end template; When producing the concrete square pile of certain specification, the delivery position of described moulding plate bottom and end template is fixed; Described moulding plate upper end and support framed between distance can regulate, moulding plate and support framed between be provided with and regulate the moulding plate positioning device of moulding Board position.
2. mould according to claim 1, it is characterized in that described moulding plate positioning device be arranged on described moulding plate and support framed between support device.
3. mould according to claim 2, is characterized in that described support device is the bolt being horizontally set on the framed top of described support; Support and be framedly provided with positioning screw hole, the screw rod of bolt is anterior enter moulding plate through described positioning screw hole and support framed.
4. mould according to claim 3, it is characterized in that described moulding plate is provided with push-and-pull bolt seat, the screw front end of bolt is flexibly connected with push-and-pull bolt seat.
5. mould according to claim 2, it is characterized in that described support device be arranged on support framed on cam.
6. mould according to claim 5, is characterized in that described cam is disc cam, and its shaft parallel is in end template and moulding plate or perpendicular to end template.
7. mould according to claim 5, it is characterized in that described cam is the cylindrical cam of rotating shaft perpendicular to moulding plate during vertical state, what be provided with the protrusion mated with described cylindrical cam outside described moulding plate shores seat.
8. mould according to claim 5, is characterized in that described cam is the translating cam that can move up and down in the plane perpendicular to moulding plate, the protrusion that described moulding plate arranged outside is mated with described translating cam shore seat.
9. mould according to claim 2, is characterized in that described support device is arranged on the voussoir outside described moulding plate upper end.
10. mould according to claim 1, it is characterized in that described moulding plate upper end arranges outside flanging, be respectively equipped with corresponding locating hole on described outside flanging is framed with support, form described moulding plate positioning device by the locating hole of described correspondence with the pin penetrated wherein or bolt.
11. moulds according to claim 1, it is characterized in that the cross section of described moulding plate is for " L " shape, its upstanding portion is moulding plate face, horizontal dogleg section is for installing folding face, described installation folding face and end template are provided with corresponding installing hole, installation folding face, through the installing hole of described correspondence, is fixedly mounted on end template by bolt.
12. moulds according to claim 11, is characterized in that described moulding plate face and install the acute angle forming 84 to 87 degree between folding face.
13. moulds according to claim 1, is characterized in that the lower end of described moulding plate arranges pin, and end template arranges the insertion seat matched with described pin, and described insertion pin inserts in seat and is positioned on end template moulding plate lower end.
14. moulds according to claim 1, it is characterized in that arranging articulated mounting between the lower end of described moulding plate and end template, moulding plate is hinged on end template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186311.7U CN204036622U (en) | 2014-04-16 | 2014-04-16 | The precast concrete square pile mould of the easy demoulding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420186311.7U CN204036622U (en) | 2014-04-16 | 2014-04-16 | The precast concrete square pile mould of the easy demoulding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204036622U true CN204036622U (en) | 2014-12-24 |
Family
ID=52237330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420186311.7U Expired - Lifetime CN204036622U (en) | 2014-04-16 | 2014-04-16 | The precast concrete square pile mould of the easy demoulding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204036622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878869A (en) * | 2014-04-16 | 2014-06-25 | 江苏固丰管桩集团有限公司 | Prefabricated concrete square pile mold facilitating mold releasing |
| CN111791348A (en) * | 2020-06-08 | 2020-10-20 | 中国一冶集团有限公司 | Solid square pile mould of concrete |
-
2014
- 2014-04-16 CN CN201420186311.7U patent/CN204036622U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878869A (en) * | 2014-04-16 | 2014-06-25 | 江苏固丰管桩集团有限公司 | Prefabricated concrete square pile mold facilitating mold releasing |
| WO2015158225A1 (en) * | 2014-04-16 | 2015-10-22 | 朱月琴 | Easily released pre-cast concrete square pile mould |
| CN103878869B (en) * | 2014-04-16 | 2016-02-03 | 朱月琴 | The precast concrete square pile mould of the easy demoulding |
| CN111791348A (en) * | 2020-06-08 | 2020-10-20 | 中国一冶集团有限公司 | Solid square pile mould of concrete |
| CN111791348B (en) * | 2020-06-08 | 2021-10-01 | 中国一冶集团有限公司 | Solid square pile mould of concrete |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHU YUEQIN Free format text: FORMER OWNER: JIANGSU GUFENG PIPE PILE GROUP CO., LTD. Effective date: 20150409 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 223800 SUQIAN, JIANGSU PROVINCE TO: 213000 CHANGZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150409 Address after: 213000 Jiangsu Province, Changzhou city Wujin District Huang Li Zhen Xi Lu Cun Wei Tang Village No. 25 Patentee after: Zhu Yueqin Address before: 1 No. 223800 Suqian city of Jiangsu province Xuanyuan Sucheng Road Economic Development Zone Patentee before: Jiangsu Gufeng Pipe Group Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20141224 Effective date of abandoning: 20160203 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |