CN203697212U - Mold core positioning adjustment device - Google Patents
Mold core positioning adjustment device Download PDFInfo
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- CN203697212U CN203697212U CN201320891398.3U CN201320891398U CN203697212U CN 203697212 U CN203697212 U CN 203697212U CN 201320891398 U CN201320891398 U CN 201320891398U CN 203697212 U CN203697212 U CN 203697212U
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- 230000000694 effects Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000007795 chemical reaction product Substances 0.000 abstract description 9
- 238000007493 shaping process Methods 0.000 abstract 1
- 230000004308 accommodation Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a mold core positioning adjustment device. The mold core positioning adjustment device comprises mold cores, a left support seat, a right support seat, a front clamp plate, a rear clamp plate, a front lower clamp strip, a rear lower clamp strip and connection rods, wherein two ends of the front clamp plate and two ends of the rear clamp plate are respectively installed at the upper ends of the left support seat and the right support seat and can slide forward and backward, two ends of the front lower clamp strip and two ends of the rear lower clamp strip are respectively installed at the lower ends of the left support seat and the right support seat and can slide forward and backward, two ends of each connection rod can be respectively installed on the left support seat and the right support seat in dismountable mode, all the mold cores are connected together in series through the connection rods, mold core clamp heads are arranged on the front clamp plate, and the mold core clamp heads are installed on the front clamp plate in dismountable mode. The mold core positioning adjustment device has the advantages of being capable of connecting all the mold cores together in series, adjusting an interval between each two adjacent mold cores well, enabling the mold cores to need no manual alignment distance adjustment performed by using a hammer to strike the mold cores after all the mold cores are installed in a mold frame of a shaping mold, guaranteeing end product quality, preventing traditional alignment distance adjustment performed on the mold cores from deforming the mold cores, and thereby solving the problem of unstable end product quality.
Description
Technical field
The utility model relates to a kind of core rod location adjusting device.
Background technology
Building-block is made with normal concrete materials such as cement, sand, stones, its hollow rate is 25%-50%, it is applicable to build the various construction walls that Seismic Design earthquake intensity is 8 degree and the 8 following areas of degree, comprise building high-rise and large span, also can be for urban operating mechanisms such as enclosure wall, retaining wall, bridge and flower beds, range of application is very extensive.
The existing mould of using for hollow block molding generally comprises framed and packs the core rod in framed into, core rod with framed between there is spacing, this spacing is used for the side of forming hollow building blocks.When this mould dress mould, first each core rod is packed into one by one in mould each framed, because each framed yi word pattern that is is evenly intervally arranged, and workman by each core rod be respectively charged into each cannot ensure when framed each core rod also the corresponding yi word pattern that is be evenly intervally arranged, core rod packs framed rear workman into and need carry out contraposition roll adjustment to each core rod, just can make the spacing between framed madial wall and the core rod lateral wall of each moulding chamber all identical, to ensure that end product quality is identical.But heavier because of the weight of core rod, needing workman to impact core rod with hammer in the time of contraposition roll adjustment can mobile core rod, like this, workman usually because transition firmly deflects core rod, makes end product quality unstable in the time impacting core rod.
In view of this, the inventor furthers investigate above-mentioned defect, is then produced by this case.
Utility model content
The purpose of this utility model is to provide a kind of core rod location adjusting device, need manually impact core rod and makes the distortion of core core, and then cause the unsettled problem of end product quality to solve in prior art the contraposition roll adjustment because of core rod.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of core rod location adjusting device, comprise several core rods, also comprise left support abutment, right support abutment, front plate, rear plate, front lower clamp bar, rear lower clamp bar and connecting rod, between above-mentioned left support abutment and above-mentioned right support abutment, have for each above-mentioned core rod along left and right directions spaced placement space side by side, the end, two ends of above-mentioned front plate respectively with can before and after slide corresponding the stacking of mode be arranged on an above-mentioned left side, the upper-end front of right support abutment, the end, two ends of above-mentioned rear plate is respectively can sliding corresponding the stacking of mode in front and back being arranged on an above-mentioned left side, the upper rear of right support abutment, the end, two ends of above-mentioned front lower clamp bar respectively with can before and after the mode of sliding is corresponding is arranged on an above-mentioned left side, the front portion, lower end of right support abutment, the end, two ends of above-mentioned rear lower clamp bar respectively with can before and after the mode of sliding is corresponding is arranged on an above-mentioned left side, the rear portion, lower end of right support abutment, the two ends of above-mentioned connecting rod are arranged on respectively an above-mentioned left side removably, the end, upper end of right support abutment, and before above-mentioned, between rear plate, and each above-mentioned core rod is serially connected by above-mentioned connecting rod, and above-mentioned connecting rod and each above-mentioned core rod removably connect, above-mentioned front plate is provided with the core rod chuck that can be clamped in outside above-mentioned core rod, above-mentioned core rod chuck is fixedly mounted on above-mentioned front plate removably.
Above-mentioned core rod chuck comprise along left and right directions extend, and activity is stacked in the cross bar on above-mentioned front plate upper surface, and extend along fore-and-aft direction, and activity is stacked in the first montant on above-mentioned front plate upper surface, the second montant and the 3rd montant, above-mentioned the first montant, above-mentioned the second montant and above-mentioned the 3rd montant are connected with above-mentioned cross bar is perpendicular respectively, and above-mentioned the first montant and above-mentioned the second montant end, two ends in above-mentioned cross bar respectively, the middle part place of above-mentioned the 3rd montant in above-mentioned cross bar, spacing between spacing between above-mentioned the first montant and above-mentioned the 3rd montant and above-mentioned the second montant and above-mentioned the 3rd montant all matches with the external diameter on above-mentioned core rod top, on the upper surface of above-mentioned front plate, be installed with the back-up block in above-mentioned core rod chuck front, the setting corresponding with above-mentioned core rod of above-mentioned back-up block, above-mentioned core rod chuck is provided with pressing plate, the setting corresponding with above-mentioned core rod of above-mentioned pressing plate, the first end of above-mentioned pressing plate is stacked on above-mentioned back-up block, the second endlap of above-mentioned pressing plate is put on above-mentioned cross bar, above-mentioned pressing plate locks and connects by soket head cap screw and above-mentioned front plate.
In the front and rear portions of above-mentioned left and right bearing upper end, be concaved with respectively and stack step, on the two ends of above-mentioned front plate and the two ends of above-mentioned rear plate, convex with respectively corresponding folded each above-mentioned piece that stacks stacking on step that is located at, above-mentioned stacking on piece offers along the upper bar shaped adjustment hole of fore-and-aft direction extension, its head limit is installed on above-mentioned upper bar shaped adjustment hole to be stacked on piece above-mentioned admittedly, above-mentioned upper bar shaped adjustment hole is passed in free end end, and stretches into the above-mentioned sealed fixing upper adjustment screw in step upper surface that stacks.
On the lower end of above-mentioned left support abutment and the lower end of above-mentioned right support abutment, be installed with respectively the pole that stacks of extending along fore-and-aft direction, the end, two ends of above-mentioned front lower clamp bar and the end, two ends of above-mentioned rear lower clamp bar be corresponding folded each above-mentioned stacking on pole that be located at respectively, and above-mentioned stacking on pole offers along the length direction that stacks pole and extends the lower bar shaped adjustment hole arranging, on the end, two ends of above-mentioned front lower clamp bar, be installed with its head limit solid on above-mentioned front lower clamp bar, free end end is through the lower front adjusting bolt of above-mentioned lower bar shaped adjustment hole, on the end, two ends of above-mentioned rear lower clamp bar, be installed with its head limit solid on above-mentioned rear lower clamp bar, free end end is through the lower rear adjusting bolt of above-mentioned lower bar shaped adjustment hole.
On the end, upper end of above-mentioned left and right bearing, be concaved with respectively that end, two ends for above-mentioned connecting rod is corresponding is embedded in interior fixing rod end fixed swage, on the upper surface of each above-mentioned core rod, be concaved with respectively for the shaft tight fit of above-mentioned connecting rod and be embedded in interior fixing shaft fixed swage.
Adopt after such scheme, a kind of core rod location adjusting device of the present utility model, when use, first before regulating, spacing between rear plate, before making, the external diameter in the spacing between rear plate and somewhere, core rod top matches, then before regulating, spacing between rear lower clamp bar, before making, spacing between rear lower clamp bar and the external diameter in somewhere, core rod bottom match, again by and the core rod chuck that matches of core rod be placed on front plate and regulate the spacing between each core rod chuck, fixing each core rod chuck after adjusting completes, now each core rod chuck, before, spacing between rear plate and front, spacing between rear lower clamp bar can surround the accommodation space in being fixedly placed in for core rod, finally each core rod is put into each accommodation space one by one, and each core rod is serially connected with connecting rod, now on connecting rod, the spacing between each core rod is all identical, being yi word pattern is evenly intervally arranged, like this to each framed when core rod is installed, only a whole string core rod together need be put into mould, and make corresponding the stretching into of each core rod respectively can make in framed in mould each core rod be contraposition to arrange, be that spacing between the indoor framed madial wall of each forming cavity and core rod lateral wall is all identical, impact core rod with hammer again without workman and carry out contraposition roll adjustment, ensure end product quality, avoid tradition to carry out contraposition roll adjustment to each core rod and caused core rod distortion, and then cause the unsettled problem of end product quality.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of another angle of the utility model.
Detailed description of the invention
In order further to explain the technical solution of the utility model, below by specific embodiment, the utility model is elaborated.
A kind of core rod location adjusting device of the present utility model, as Fig. 1, shown in 2, comprise core rod 1, left support abutment 2, right support abutment 3, front plate 4, rear plate 5, front lower clamp bar 6, rear lower clamp bar 7 and connecting rod 8, this core rod 1 is provided with several, the present embodiment is taking 4 as example, between left support abutment 2 and right support abutment 3, have for each core rod 1 along left and right directions spaced placement space (not shown) side by side, make in each core rod 1 can be positioned over by this placement space, the end, two ends, left and right of this front plate 4 respectively with can before and after corresponding the stacking of mode of sliding be arranged on a left side, right support abutment 2, 3 upper-end front, the end, two ends of rear plate 5 is respectively can sliding corresponding the stacking of mode in front and back being arranged on a left side, right support abutment 2, 3 upper rear, left, right support abutment 2, before 3 upper ends, on rear portion, be concaved with respectively and stack step 21, 31, a left side for front plate 4, on right two ends, extend respectively and be provided with the corresponding folded left side that is located at, right support abutment 2, 3 front portions stack step 21, on 31, stack piece 41, on the two ends, left and right of rear plate 5, convex with respectively the corresponding folded left side that is located at, right support abutment 2, 3 rear portions stack step 21, on 31, stack piece 51, two stack and on piece 41, offer respectively the upper bar shaped adjustment hole 411 and two extending along fore-and-aft direction and stack and on piece 51, offer respectively the upper bar shaped adjustment hole 511 extending along fore-and-aft direction, on two, on bar shaped adjustment hole 411, being separately installed with its head limit is stacking on piece 41 admittedly, free end end is through upper bar shaped adjustment hole 411, and stretch into and stack sealed fixing upper adjustment screw 100 in step upper surface, on two, on bar shaped adjustment hole 511, being separately installed with its head limit is stacking on piece 51 admittedly, free end end is through upper bar shaped adjustment hole 511, and stretch into and stack sealed fixing upper adjustment screw 101 in step upper surface, by upper adjustment screw 100, 101 at upper bar shaped adjustment hole 411, slip on 511 can realize the width adjusting between front plate 4 and rear plate 5.
A left side for described front lower clamp bar 6, end, right two ends respectively with can before and after slide the corresponding left side that is arranged on of mode, right support abutment 2, 3 front portion, lower end, a left side for rear lower clamp bar 7, end, right two ends respectively with can before and after slide the corresponding left side that is arranged on of mode, right support abutment 2, 3 rear portion, lower end, be on the lower end of left support abutment 2 and the lower end of right support abutment 3, be installed with respectively extend along fore-and-aft direction stack pole 22, 32, the end, two ends, left and right of front lower clamp bar 6 respectively corresponding overlaying stacks pole 22 and stacks on the front portion of pole 32, the end, two ends, left and right of rear lower clamp bar 7 respectively corresponding overlaying stacks pole 22 and stacks on the rear portion of pole 32, and stack pole 22 and stack on pole 32 and offer respectively along the length direction that stacks pole and extend the lower bar shaped adjustment hole 221 arranging, 321, on the end, two ends, left and right of front lower clamp bar 6, be installed with its head limit solid on front lower clamp bar 6, free end end is through lower bar shaped adjustment hole 221, 321 lower front adjusting bolt 102, on the end, two ends, left and right of rear lower clamp bar 7, be installed with its head limit solid on rear lower clamp bar 7, free end end is through lower bar shaped adjustment hole 221, 321 lower rear adjusting bolt 103, by adjusting bolt 102 before twice at lower bar shaped adjustment hole 221, front and back in 321 slide and twice after adjusting bolt 103 at lower bar shaped adjustment hole 221, slide and can realize the width adjusting between front lower clamp bar 6 and rear lower clamp bar 7 in front and back in 321, can position the bottom of core rod 1 by front lower clamp bar 6 and rear lower clamp bar 7, in case the below of core rod 1 is offset.
The two ends, left and right of described connecting rod 8 are arranged on respectively a left side removably, right support abutment 2, 3 end, upper end, and in front, rear plate 4, between 5, and each core rod 1 is serially connected by connecting rod 8, and connecting rod 8 removably connects with each core rod 1, left, right support abutment 2, on 3 end, upper end, be concaved with respectively that end, two ends for connecting rod 8 is corresponding is embedded in interior fixing rod end fixed swage 23, 33, on the upper surface of each core rod 1, be concaved with respectively for the shaft tight fit of connecting rod 8 and be embedded in interior fixing shaft fixed swage 11, like this by rod end fixed swage 23, 33 and each shaft fixed swage 11 can make connecting rod 8 that each core rod 1 is serially connected, so that whole string core rod is put into mould by workman.
Described front plate 4 is provided with the core rod chuck 9 that can be clamped in outside core rod 1, core rod chuck 9 is fixedly mounted on front plate 4 removably, this core rod chuck 9 is mountain font, this core rod chuck 9 comprise along left and right directions extend, and activity is stacked in the cross bar on front plate 4 upper surfaces, and extend along fore-and-aft direction, and activity is stacked in the first montant on front plate 4 upper surfaces, the second montant and the 3rd montant, the first montant, the second montant and the 3rd montant are connected with cross bar is perpendicular respectively, and the first montant and the second montant be the end, two ends in cross bar respectively, the middle part place of the 3rd montant in cross bar, spacing between spacing between the first montant and the 3rd montant and the second montant and the 3rd montant all matches with the external diameter on core rod 100 tops, this core rod chuck 9 can carry out clamping to two core rods 1, on the upper surface of this front plate 4, be installed with the back-up block 42 in core rod chuck 9 fronts, this back-up block 42 and the corresponding setting of this core rod 1, core rod chuck 9 is provided with pressing plate 91, this pressing plate 91 and the corresponding setting of this core rod 1, the front end of this pressing plate 91 is stacked on back-up block 42, the second endlap of pressing plate 91 is put on the cross bar of core rod chuck 9, pressing plate 91 locks and connects by soket head cap screw 104 and front plate 4, by positioning core rod chuck 9 pressing plate 91 and coordinating of soket head cap screw 104, in case core rod chuck 9 is moved.
A kind of core rod location adjusting device of the present utility model, before use, according to the core rod chuck 9 of the size Selection adaptation of core rod 1, when use, first before regulating, rear plate 4, spacing between 5, before making, rear plate 4, the external diameter in the spacing between 5 and core rod 1 somewhere, top matches, then before regulating, rear lower clamp bar 6, spacing between 7, before making, rear lower clamp bar 6, the external diameter in the spacing between 7 and core rod 1 somewhere, bottom matches, again by and the core rod chuck 9 that matches of core rod 1 be placed on front plate 4 and regulate the spacing between each core rod chuck 9, make spacing required between spacing between each core rod chuck 9 and each core rod 1 identical, after completing, adjusting by the cooperation of pressing plate 91 and soket head cap screw 104, core rod chuck 9 is locked, the now cavity of each core rod chuck 9, before, rear plate 4, spacing between 5 and front, rear lower clamp bar 6, spacing between 7 can surround the accommodation space in being placed in for core rod 1 adaptation, finally each core rod 1 is put into each accommodation space one by one, and each core rod 1 is serially connected with connecting rod 8, make each core rod 1 be concatenated into one, and be yi word pattern and be evenly intervally arranged, now on connecting rod 8 spacing between each core rod 1 all and in mould between each core rod required spacing identical, like this, if when the each framed domestic demand of mould is installed core rod, only a whole string core rod together need be put into mould, and make corresponding the stretching into of each core rod respectively can make in framed in mould each core rod be contraposition to arrange, be that spacing between the indoor framed madial wall of each forming cavity and core rod lateral wall is all identical, impact core rod with hammer again without workman and carry out contraposition roll adjustment, ensure end product quality, avoid tradition to carry out contraposition roll adjustment to each core rod and caused core rod distortion, and then cause the unsettled problem of end product quality, meanwhile, the adjustable of forward and backward lower clamp bar 6,7 that be in harmonious proportion of forward and backward clamping plate 4,5 makes core rod location adjusting device of the present utility model position adjusting to the core rod of different size, applied widely.
Core rod location adjusting device of the present utility model need be changed the core rod chuck of different size in the time that the core rod of different size is positioned.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present utility model.
Claims (5)
1. a core rod location adjusting device, comprise several core rods, it is characterized in that: also comprise left support abutment, right support abutment, front plate, rear plate, front lower clamp bar, rear lower clamp bar and connecting rod, between above-mentioned left support abutment and above-mentioned right support abutment, have for each above-mentioned core rod along left and right directions spaced placement space side by side, the end, two ends of above-mentioned front plate respectively with can before and after slide corresponding the stacking of mode be arranged on an above-mentioned left side, the upper-end front of right support abutment, the end, two ends of above-mentioned rear plate is respectively can sliding corresponding the stacking of mode in front and back being arranged on an above-mentioned left side, the upper rear of right support abutment, the end, two ends of above-mentioned front lower clamp bar respectively with can before and after the mode of sliding is corresponding is arranged on an above-mentioned left side, the front portion, lower end of right support abutment, the end, two ends of above-mentioned rear lower clamp bar respectively with can before and after the mode of sliding is corresponding is arranged on an above-mentioned left side, the rear portion, lower end of right support abutment, the two ends of above-mentioned connecting rod are arranged on respectively an above-mentioned left side removably, the end, upper end of right support abutment, and before above-mentioned, between rear plate, and each above-mentioned core rod is serially connected by above-mentioned connecting rod, and above-mentioned connecting rod and each above-mentioned core rod removably connect, above-mentioned front plate is provided with the core rod chuck that can be clamped in outside above-mentioned core rod, above-mentioned core rod chuck is fixedly mounted on above-mentioned front plate removably.
2. core rod location adjusting device according to claim 1, it is characterized in that: above-mentioned core rod chuck comprise along left and right directions extend, and activity is stacked in the cross bar on above-mentioned front plate upper surface, and extend along fore-and-aft direction, and activity is stacked in the first montant on above-mentioned front plate upper surface, the second montant and the 3rd montant, above-mentioned the first montant, above-mentioned the second montant and above-mentioned the 3rd montant are connected with above-mentioned cross bar is perpendicular respectively, and above-mentioned the first montant and above-mentioned the second montant end, two ends in above-mentioned cross bar respectively, the middle part place of above-mentioned the 3rd montant in above-mentioned cross bar, spacing between spacing between above-mentioned the first montant and above-mentioned the 3rd montant and above-mentioned the second montant and above-mentioned the 3rd montant all matches with the external diameter on above-mentioned core rod top, on the upper surface of above-mentioned front plate, be installed with the back-up block in above-mentioned core rod chuck front, the setting corresponding with above-mentioned core rod of above-mentioned back-up block, above-mentioned core rod chuck is provided with pressing plate, the setting corresponding with above-mentioned core rod of above-mentioned pressing plate, the first end of above-mentioned pressing plate is stacked on above-mentioned back-up block, the second endlap of above-mentioned pressing plate is put on above-mentioned cross bar, above-mentioned pressing plate locks and connects by soket head cap screw and above-mentioned front plate.
3. core rod location adjusting device according to claim 1, it is characterized in that: an above-mentioned left side, before right support abutment upper end, on rear portion, be concaved with respectively and stack step, on the two ends of above-mentioned front plate and the two ends of above-mentioned rear plate, convex with respectively corresponding folded each above-mentioned piece that stacks stacking on step that is located at, above-mentioned stacking on piece offers along the upper bar shaped adjustment hole of fore-and-aft direction extension, its head limit is installed on above-mentioned upper bar shaped adjustment hole to be stacked on piece above-mentioned admittedly, free end end is through above-mentioned upper bar shaped adjustment hole, and stretch into the above-mentioned sealed fixing upper adjustment screw in step upper surface that stacks.
4. core rod location adjusting device according to claim 1, it is characterized in that: on the lower end of above-mentioned left support abutment and the lower end of above-mentioned right support abutment, be installed with respectively the pole that stacks of extending along fore-and-aft direction, the end, two ends of above-mentioned front lower clamp bar and the end, two ends of above-mentioned rear lower clamp bar be corresponding folded each above-mentioned stacking on pole that be located at respectively, and above-mentioned stacking on pole offers along the length direction that stacks pole and extends the lower bar shaped adjustment hole arranging, on the end, two ends of above-mentioned front lower clamp bar, be installed with its head limit solid on above-mentioned front lower clamp bar, free end end is through the lower front adjusting bolt of above-mentioned lower bar shaped adjustment hole, on the end, two ends of above-mentioned rear lower clamp bar, be installed with its head limit solid on above-mentioned rear lower clamp bar, free end end is through the lower rear adjusting bolt of above-mentioned lower bar shaped adjustment hole.
5. core rod location adjusting device according to claim 1, it is characterized in that: on the end, upper end of above-mentioned left and right bearing, be concaved with respectively that end, two ends for above-mentioned connecting rod is corresponding is embedded in interior fixing rod end fixed swage, on the upper surface of each above-mentioned core rod, be concaved with respectively for the shaft tight fit of above-mentioned connecting rod and be embedded in interior fixing shaft fixed swage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891398.3U CN203697212U (en) | 2013-12-30 | 2013-12-30 | Mold core positioning adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320891398.3U CN203697212U (en) | 2013-12-30 | 2013-12-30 | Mold core positioning adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203697212U true CN203697212U (en) | 2014-07-09 |
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ID=51047706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320891398.3U Expired - Lifetime CN203697212U (en) | 2013-12-30 | 2013-12-30 | Mold core positioning adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203697212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809880A (en) * | 2020-12-18 | 2021-05-18 | 王兰兰 | Cement prefabricated member forming method |
-
2013
- 2013-12-30 CN CN201320891398.3U patent/CN203697212U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809880A (en) * | 2020-12-18 | 2021-05-18 | 王兰兰 | Cement prefabricated member forming method |
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| GR01 | Patent grant | ||
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Granted publication date: 20140709 |