CN107760851A - Cast steel annealing bin difficult for drop-off - Google Patents
Cast steel annealing bin difficult for drop-off Download PDFInfo
- Publication number
- CN107760851A CN107760851A CN201711035478.8A CN201711035478A CN107760851A CN 107760851 A CN107760851 A CN 107760851A CN 201711035478 A CN201711035478 A CN 201711035478A CN 107760851 A CN107760851 A CN 107760851A
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- China
- Prior art keywords
- steel
- base frame
- material containing
- containing base
- drop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910001208 Crucible steel Inorganic materials 0.000 title claims abstract description 21
- 238000000137 annealing Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 65
- 239000010959 steel Substances 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 50
- 210000004907 gland Anatomy 0.000 claims abstract description 13
- 238000002627 tracheal intubation Methods 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- 238000007669 thermal treatment Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention provides a kind of cast steel annealing bin difficult for drop-off, belong to equipment technical field used for metal thermal treatment.It solves the problems such as prior art design is unreasonable.This cast steel annealing bin difficult for drop-off includes the circular material containing base frame that carrying rolls the steel of steel, it is in the connection component being coaxially disposed that top in the middle part of circular material containing base frame, which is provided with several, connection component includes the center connecting pipe of steel, and the center connecting pipe the week side of boss of steel strengthens steel plate etc. to respective provided with some in the rectangle being correspondingly arranged.This cast steel annealing difficult for drop-off is with the advantages of bin：The length of steel is that the setting of 4 to 6 times of the support tubes, circular material containing base frame and gland component of circular material containing base frame outside diameter not only increases the bearing capacity for rolling steel, while prevents the landing for rolling steel of carrying, improves security.
Description
Technical field
The invention belongs to equipment technical field used for metal thermal treatment, is moved back more particularly, to a kind of cast steel difficult for drop-off
Fire bin.
Background technology
Metal heat treatmet is one of important process in machine-building, and compared with other processing technologys, heat treatment is general not
Change the shape of workpiece and overall chemical composition, but by changing the microscopic structure of inside workpiece, or change workpiece surface
Chemical composition, assign or improve workpiece performance.It is characterized in improving the inherent quality of workpiece, and this is generally not meat
What eye can be seen.To make metal works that there is required mechanical property, physical property and chemical property, except reasonable selection material
Outside material and various forming technologies, Technology for Heating Processing is often essential.Steel are as material most widely used in mechanical industry
Material, microstructure of iron and steel is complicated, can be controlled by heat treatment, so the heat treatment of steel is the main of metal heat treatmet
Content, therefore steel are by using being preceding required for through Overheating Treatment, as the carrier that steel are carried in metal heat treatmet, and
Complicated, production cost height be present in the carrier of carrying steel of the prior art, and intolerant to burning, working strength during heat treatment
Low, easy the defects of caving in.
In order to solve the problems, such as that prior art is present, people have carried out long-term exploration, it is proposed that miscellaneous solution
Scheme.For example, Chinese patent literature discloses a kind of bracket and device [application number for the heat treatment of batch reinforcing bar：
201320560018.8], including：The dentation knot for carrying pending batch reinforcing bar is provided with the surface of the bracket
Structure, to prevent the pending batch slip of bar；It is provided with the bracket for fixing the pending batch steel
The fixing band of muscle；The side of the bracket is fixed in one end of the fixing band, and the other end is removably fixed in the bracket
Another opposite side etc..
Above-mentioned scheme improves the subproblem of prior art to a certain extent, and still, the program is also at least present
Following defect：Complicated, steel load and unload the problems such as inconvenient.
The content of the invention
A kind of regarding the issue above, the present invention provides reasonable in design, good circle difficult for drop-off of using effect
Shape steel annealing bin.
To reach above-mentioned purpose, present invention employs following technical proposal：The cast steel difficult for drop-off of the present invention move back
Fire bin, including carrying roll the circular material containing base frame of the steel of steel, it is characterised in that：It is upper in the middle part of circular material containing base frame
It is in the connection component being coaxially disposed that side, which is provided with several, and connection component includes the center connecting pipe of steel, and the center of steel connects
Jointed tubular workpieces the week side of boss is provided with some to each in the rectangle reinforcement steel plate being correspondingly arranged, strengthening steel plate outer end per rectangle and being fixedly arranged on circle
The support tubes in vertically arranged steel on shape material containing base frame are affixed, and the length of support tubes is on the outside of circular material containing base frame
4 to 6 times of diameter, the vertical upper end side per support tubes offer the steel that some cast steel for preventing carrying slide
The first protection jack for being inserted and fixed of gland component, be inserted with the cutting of steel in the first protection jack.The length of steel is
The setting of 4 to 6 times of support tubes of circular material containing base frame outside diameter, circular material containing base frame and gland component not only increases
The bearing capacity of steel is rolled, while prevents the landing for rolling steel of carrying, improve security.
Preferably, gland component includes cover clamp, and the upper surface of cover clamp is provided with hanger, erected on the lower surface of cover clamp
To provided with the quantity intubation consistent with the quantity of support tubes, intubation is provided with quantity, size, shape and the first protection jack phase
Second protection jack of adaptation.It is simple in construction, it is easy to use.
Preferably, often it is intubated upper end outward bending and forms an annular flange plate completely affixed with cover clamp upper surface.
Improve the degree of being connected firmly of intubation.
Preferably, the number of connection component is three, support tubes lower end, middle part and upper end is respectively arranged on, wherein being located at
The lower end of the connection component of support tubes lower end is fixedly arranged on circular material containing base frame.Improve the degree of being connected firmly of support tubes.
Preferably, the upper/lower terminal of the connection component in the middle part of support tubes be respectively provided with a block size, shape it is identical and
In the circular connecting plate for being used to connect the steel of all support tubes being correspondingly arranged, offer on circular connecting plate quantity with
The quantity of support tubes adds identical with the summation of the quantity of the center connecting pipe in the connection component of circular connecting plate connection
And the connection through hole that is adapted on the outside of size, shape and support tubes.Further increase the working strength of support tubes.
Preferably, the rectangle in the connection component being connected with support tubes lower end is strengthened between steel plate and circular material containing base frame
Be installed with least one pair of be distributed in rectangle strengthen steel plate both sides and in the triangular reinforcing plate two being correspondingly arranged.Strengthen to square
Shape strengthens the support of steel plate.
Preferably, it is in that the triangle being correspondingly arranged is strengthened that at least one pair of is installed between support tubes and circular material containing base frame
Plate one.Strengthen the support to support tubes.
Preferably, the one end being connected in support tubes with circular material containing base frame is peripherally and outwardly bent to form one and carried with circular
Expect the completely affixed annular Fixed Division of base frame.By increasing the joint face with circular material containing base frame, so as to improve support tubes
With the degree of being connected firmly of circular material containing base frame.
Preferably, circular material containing base frame includes annular pipe fitting, and being interval with annular pipe fitting some has identical central angle
Fan-shaped loading plate, support tubes are fixedly arranged on fan-shaped loading plate.In the case of working strength is ensured, material is saved, is dropped
Low manufacturing cost.
Compared with prior art, this cast steel annealing difficult for drop-off is with the advantages of bin：The length of steel is
The setting of 4 to 6 times of support tubes of circular material containing base frame outside diameter, circular material containing base frame and gland component not only increases
The bearing capacity of steel is rolled, while prevents the landing for rolling steel of carrying, improve security.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 provides the structural representation top view of the embodiment of the present invention.
Fig. 2 provides the structural representation side view of the gland component in the embodiment of the present invention.
Fig. 3 provides the structural representation when embodiment of the present invention does not install gland component.
In figure, circular material containing base frame 1, center connecting pipe 21, rectangle strengthen steel plate 22, support tubes 3, hanger 4, circle
Connecting plate 5, triangular reinforcing plate 1, triangular reinforcing plate 2 62, first protect jack 71, second to protect jack 72, gland
Plate 81, intubation 82, annular flange plate 83.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, and following examples are to this hair
Bright explanation and the invention is not limited in following examples.
As shown in Figures 1 to 3, this cast steel annealing bin difficult for drop-off, including carrying roll the steel of steel
Circular material containing base frame 1, it is characterised in that：It is in the connection group being coaxially disposed that the top at the circular middle part of material containing base frame 1, which is provided with several,
Part, connection component include the center connecting pipe 21 of steel, and the week side of boss of center connecting pipe 21 of steel is provided with some to being in each
The rectangle being correspondingly arranged strengthens steel plate 22, and it is in vertical to strengthen the outer end of steel plate 22 per rectangle and be fixedly arranged on circular material containing base frame 1
The support tubes 3 of the steel of setting are affixed, and the length of support tubes 3 is 4 to 6 times, every of the circular outside diameter of material containing base frame 1
The vertical upper end side of stay tube part 3 offers the gland component insertion for the steel that some cast steel for preventing carrying slide simultaneously
The first fixed protection jack 71, first protects the cutting that steel is inserted with jack 71, and the length of steel is circular material containing base frame 1
The setting of the support tubes 3 of 4 to 6 times of outside diameter, circular material containing base frame 1 and gland component, which not only increases, rolls steel
Bearing capacity, while prevent the landing for rolling steel of carrying, improve security.
Specifically, gland component here includes cover clamp 81, and the upper surface of cover clamp 81 is provided with hanger 4, cover clamp
Vertically provided with the quantity intubation 82 consistent with the quantity of support tubes 3 on 81 lower surface, intubation 82 provided with quantity, size,
The second protection jack 72 that shape is adapted with the first protection jack 71, it is simple in construction, it is easy to use；Here in often intubation 82
Hold outward bending to form an annular flange plate 83 completely affixed with the upper surface of cover clamp 81, improve the connection jail of intubation 82
Soundness；Here the number of connection component is three, is respectively arranged on the lower end of support tubes 3, middle part and upper end, wherein located at support
The lower end of the connection component of the lower end of pipe fitting 3 is fixedly arranged on circular material containing base frame 1, improves the degree of being connected firmly of support tubes 3；This
In the upper/lower terminal of the connection component located at the middle part of support tubes 3 to be respectively provided with a block size, shape identical and in being correspondingly arranged
The circular connecting plate 5 for being used to connect the steel of all support tubes 3, offer quantity and support tube on circular connecting plate 5
The quantity of part 3 adds the summation identical of the quantity of the center connecting pipe 21 in the connection component being connected with circular connecting plate 5
And the connection through hole 51 that the outside of size, shape and support tubes 3 is adapted, further increase the working strengths of support tubes 3；
Here the rectangle in the connection component being connected with the lower end of support tubes 3 is strengthened fixed between steel plate 22 and circular material containing base frame 1
Have at least one pair of be distributed in rectangle strengthen steel plate 22 both sides and in the triangular reinforcing plate 2 62 being correspondingly arranged, strengthen to square
Shape strengthens the support of steel plate 22.
Further, here it is in what is be correspondingly arranged that at least one pair of is installed between support tubes 3 and circular material containing base frame 1
Triangular reinforcing plate 1, strengthen the support to support tubes 3；Here it is connected in support tubes 3 with circular material containing base frame 1
One end be peripherally and outwardly bent to form the completely affixed annular Fixed Division of one and circular material containing base frame 1, pass through increase with it is circular
The joint face of material containing base frame 1, so as to improve the degree of being connected firmly of support tubes 3 and circular material containing base frame 1；Here circular load
Material base frame 1 includes annular pipe fitting 11, and some fan-shaped loading plates 12 with identical central angle are interval with annular pipe fitting 11, props up
Stay tube part 3 is fixedly arranged on fan-shaped loading plate 12, in the case of working strength is ensured, is saved material, is reduced manufacturing cost.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although circular material containing base frame 1, center connecting pipe 21, rectangle has more been used to strengthen steel plate 22, support herein
Pipe fitting 3, hanger 4, circular connecting plate 5, triangular reinforcing plate 1, triangular reinforcing plate 2 62, first protect jack 71, second
The terms such as jack 72, cover clamp 81, intubation 82, annular flange plate 83 are protected, but are not precluded from the possibility using other terms.
It is used for the purpose of more easily describing and explaining the essence of the present invention using these terms；It is construed as any additional
Limitation all disagreed with spirit of the present invention.
Claims (9)
1. a kind of cast steel annealing bin difficult for drop-off, including carrying roll the circular material containing base frame of the steel of steel
（1）, it is characterised in that：Described circular material containing base frame（1）It is in the connection component being coaxially disposed that the top at middle part, which is provided with several,
Described connection component includes the center connecting pipe of steel（21）, the center connecting pipe of described steel（21）The week side of boss is provided with
It is some to strengthen steel plate in the rectangle being correspondingly arranged to respective（22）, strengthen steel plate per described rectangle（22）Outer end is with being fixedly arranged on circle
Shape material containing base frame（1）On the support tubes in vertically arranged steel（3）Affixed, described support tubes（3）Length be
Described circular material containing base frame（1）4 to 6 times of outside diameter, per described support tubes（3）Vertical upper end side offer
The first protection jack that the gland component for the steel that some cast steel for preventing carrying slide is inserted and fixed（71）, it is described
First protection jack（71）Inside it is inserted with the cutting of steel.
2. cast steel annealing bin difficult for drop-off according to claim 1, it is characterised in that described gland group
Part includes cover clamp（81）, described cover clamp（81）Upper surface be provided with hanger（4）, described cover clamp（81）Lower end
Vertically quantity and support tubes are provided with face（3）The consistent intubation of quantity（82）, described intubation（82）Provided with quantity, greatly
Small, shape and the first protection jack（71）The second protection jack being adapted（72）.
3. cast steel annealing bin difficult for drop-off according to claim 2, it is characterised in that per described intubation
（82）Upper end outward bending forms one and cover clamp（81）The completely affixed annular flange plate in upper surface（83）.
4. cast steel annealing bin difficult for drop-off according to claim 1, it is characterised in that described connection group
The number of part is three, is respectively arranged on support tubes（3）Lower end, middle part and upper end, wherein located at support tubes（3）The company of lower end
The lower end of connected components is fixedly arranged on circular material containing base frame（1）On.
5. cast steel annealing bin difficult for drop-off according to claim 4, it is characterised in that located at support tubes
（3）It is identical and all for connecting in being correspondingly arranged that the upper/lower terminal of the connection component at middle part is respectively provided with a block size, shape
Described support tubes（3）Steel circular connecting plate（5）, described circular connecting plate（5）On offer quantity with branch
Stay tube part（3）Quantity add and circular connecting plate（5）Center connecting pipe in the connection component of connection（21）Quantity
Summation identical and size, shape and support tubes（3）The connection through hole that outside is adapted（51）.
6. cast steel annealing bin difficult for drop-off according to claim 4, it is characterised in that with described support
Pipe fitting（3）Rectangle in the connection component of lower end connection strengthens steel plate（22）With circular material containing base frame（1）Between be installed with least
It is distributed in rectangle for a pair and strengthens steel plate（22）Both sides and in the triangular reinforcing plate two that is correspondingly arranged（62）.
7. cast steel annealing bin difficult for drop-off according to claim 1, it is characterised in that described support tube
Part（3）With circular material containing base frame（1）Between to be installed with least one pair of be in the triangular reinforcing plate one that is correspondingly arranged（61）.
8. cast steel annealing bin difficult for drop-off according to claim 1, it is characterised in that described support tube
Part（3）Upper and circular material containing base frame（1）One end of connection is peripherally and outwardly bent to form one and circular material containing base frame（1）It is completely solid
The annular Fixed Division connect.
9. cast steel annealing bin difficult for drop-off according to claim 1, it is characterised in that described circular load
Expect base frame（1）Including annular pipe fitting（11）, described annular pipe fitting（11）Inside it is interval with some fans with identical central angle
Shape loading plate（12）, described support tubes（3）It is fixedly arranged on fan-shaped loading plate（12）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035478.8A CN107760851A (en) | 2017-10-30 | 2017-10-30 | Cast steel annealing bin difficult for drop-off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035478.8A CN107760851A (en) | 2017-10-30 | 2017-10-30 | Cast steel annealing bin difficult for drop-off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107760851A true CN107760851A (en) | 2018-03-06 |
Family
ID=61271546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711035478.8A Pending CN107760851A (en) | 2017-10-30 | 2017-10-30 | Cast steel annealing bin difficult for drop-off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107760851A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201601022U (en) * | 2010-01-06 | 2010-10-06 | 佛山市的特非晶电气有限公司 | Iron-core annealing bracket of transformer |
| CN202124652U (en) * | 2011-06-20 | 2012-01-25 | 安徽精诚铜业股份有限公司 | Low-cost detachable annealing feed rack for bell-type furnace |
| CN202830107U (en) * | 2012-09-20 | 2013-03-27 | 洛阳鼎辉特钢制品股份有限公司 | Steel wire rod annealing rack applicable to pit furnace |
| CN203602680U (en) * | 2013-12-02 | 2014-05-21 | 河冶科技股份有限公司 | Material rack for well-type annealing furnace for annealing steel wire rod |
| CN104480289A (en) * | 2014-12-01 | 2015-04-01 | 芜湖市民泰铜业有限责任公司 | Adjustable annealing bracket for soft alloy wire rod |
| CN206157205U (en) * | 2016-11-09 | 2017-05-10 | 南京宝日钢丝制品有限公司 | Can superimposed wire rod thermal treatment work or material rest |
| CN207512231U (en) * | 2017-10-30 | 2018-06-19 | 浙江超龙汽车零部件有限公司 | Cast steel annealing rack not easily to fall off |
-
2017
- 2017-10-30 CN CN201711035478.8A patent/CN107760851A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201601022U (en) * | 2010-01-06 | 2010-10-06 | 佛山市的特非晶电气有限公司 | Iron-core annealing bracket of transformer |
| CN202124652U (en) * | 2011-06-20 | 2012-01-25 | 安徽精诚铜业股份有限公司 | Low-cost detachable annealing feed rack for bell-type furnace |
| CN202830107U (en) * | 2012-09-20 | 2013-03-27 | 洛阳鼎辉特钢制品股份有限公司 | Steel wire rod annealing rack applicable to pit furnace |
| CN203602680U (en) * | 2013-12-02 | 2014-05-21 | 河冶科技股份有限公司 | Material rack for well-type annealing furnace for annealing steel wire rod |
| CN104480289A (en) * | 2014-12-01 | 2015-04-01 | 芜湖市民泰铜业有限责任公司 | Adjustable annealing bracket for soft alloy wire rod |
| CN206157205U (en) * | 2016-11-09 | 2017-05-10 | 南京宝日钢丝制品有限公司 | Can superimposed wire rod thermal treatment work or material rest |
| CN207512231U (en) * | 2017-10-30 | 2018-06-19 | 浙江超龙汽车零部件有限公司 | Cast steel annealing rack not easily to fall off |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180306 |