CN104872996A - Drum-shaped dinner table and manufacturing method thereof - Google Patents
Drum-shaped dinner table and manufacturing method thereof Download PDFInfo
- Publication number
- CN104872996A CN104872996A CN201510311143.9A CN201510311143A CN104872996A CN 104872996 A CN104872996 A CN 104872996A CN 201510311143 A CN201510311143 A CN 201510311143A CN 104872996 A CN104872996 A CN 104872996A
- Authority
- CN
- China
- Prior art keywords
- drum
- shaped pedestal
- holder
- cydariform
- steel ball
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 52
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
- 239000002023 wood Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005495 investment casting Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Landscapes
- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The invention belongs to the technical field of dinner tables, and particularly relates to a drum-shaped dinner table combining a drum with a table and a manufacturing method of the dinner table. The drum-shaped dinner table comprises a drum-shaped base and a top plate arranged at the top of the drum-shaped base, the drum-shaped base is hollow inside and is provided with an upper circular opening in the top, the middle of the top plate is correspondingly provided with a threading hole, the threading hole and the upper opening are concentrically arranged, and the diameter of the threading hole is smaller than that of the upper opening, dishes can be placed on the top plate, an electromagnetic oven is placed in the middle of the top plate, and a cable penetrates the threading hole and the upper opening and is connected with a socket in the drum-shaped base, so that the integral appearance of the dinner table is unaffected, a plurality of partitions are arranged in the drum-shaped base and can hold decorative accessories, and the integral appearance of the dinner table is improved. Meanwhile, the manufacturing method is simple, practical and high in operability.
Description
Technical field
The invention belongs to dining table technical field, be specifically related to a kind of cydariform dining table combined with desk by big drum, and the preparation method of cydariform dining table.
Background technology
The lazy Susan that present catering trade uses, is all that rotating circular disk intermediate disc sways, changes the vegetable in face of client by the rotation of disk, if the food on dining table is more, not steady during rotary disk, often occurs the situation with rotating shaft fracture of rocking.In addition, current dining table kind is a lot, but not by dining table that traditional big drum combines with desk.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and aim to provide a kind of flexible rotation light and handy, elegant shape is attractive in appearance, and the cydariform dining table that big drum is combined with desk, and the preparation method of cydariform dining table.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of cydariform dining table, comprise drum-shaped pedestal and the top board being arranged on drum-shaped pedestal top, circular upper shed is dug at drum-shaped pedestal inner hollow and top, the middle part of top board also correspondence has through wires hole, through wires hole is arranged with upper shed is concentric, and the diameter of through wires hole is less than the diameter of upper shed, top board can place plate, also electromagnetism hot pot stove can be put at the middle part of top board, cable is connected with the socket in drum-shaped pedestal with after upper shed through through wires hole, can not affect the attractive in appearance of dining table entirety.Be provided with multilayer insulating panel in drum-shaped pedestal, multilayer insulating panel can place ornament, improve the overall appearance degree of dining table.
Drum-shaped pedestal is arranged on pillar by clamping stopper bearing, the concrete structure of clamping stopper bearing is: comprise thrust block pad, steel ball, back-up ring, fixed disk and holder, holder newel outside suitable for reading has circlip groove, holder shell inner side suitable for reading has limited impression, fixed disk is an annular component, fixed disk is arranged at intervals with multiple limit stop post and steel ball hole, an another side extending to fixed disk is had at least in limit stop post, be locating dowel, fixed disk is placed in holder, locating dowel is inserted in the locating hole below holder, steel ball is placed in steel ball hole, thrust block pad is circumferentially evenly placed on above fixed disk, the extrados flange of thrust block pad is put in limited impression, steel ball is aimed at center, be pressed in above steel ball, the limit stop post groove of two sides aims at limit stop post, back-up ring is stuck in circlip groove, is pressed in above thrust block pad intrados flange.Steel ball, the back-up ring of thrust bearing adopt standard component, fixed disk and holder can pass through hot investment casting, processing capacity is very little, can cut down finished cost, easy to assembly, as long as the locating hole locating dowel of fixed disk being aimed at holder puts in all right, again steel ball is put into steel ball hole, the extrados flange of thrust block pad is inserted the groove of holder, make limit stop post groove aim at limit stop post to put well simultaneously, in circlip groove, buckle back-up ring again, whole assembly work just completes, and can save assembly work amount.
Wherein, holder is placed in bearing block, a cavity is had between holder and bearing block, flexible member is filled with in cavity, this flexible member can be one or more spring, also can be the flexible member that elastic caoutchouc packing ring or other elastomeric materials are made, be filled with flexible member in cavity after, eliminate the space between motor thrust disc and thrust bearing thrust block pad, but still aligning effect can be played.
Wherein, the outer wall of drum-shaped pedestal is evenly equipped with multiple LED, can LED be opened when night, very attractive in appearance.
Wherein, the top of pillar is provided with decorative lamp, improves the aesthetic measure of dining table entirety.
Wherein, multilayer insulating panel equi-spaced apart in the short transverse of drum-shaped pedestal is arranged, improves the aesthetic measure of dining table entirety.
A kind of cydariform dining table preparation method, make according to following step:
1): first selected materials by wood leftover material, thin slice is sawn into, then sanding plane;
2): be bonded to arc batten, circular wood circle and linearity batten with timber work glue according to the radian of model;
3): arc batten is processed into U-shaped dentation arc batten respectively;
4): respectively the circle of different size diameter wood circle is processed into the circular wood circle of U-shaped dentation;
5): the upholstery border processing drum-shaped pedestal two ends with circular wood circle;
6): be assembled in the circle wood circle of upholstery border with many linearity battens, be processed into the bottom surface of drum-shaped pedestal;
7): enclose by arc batten and circle wood the cydariform face being assembled into drum-shaped pedestal, and synthesize overall drum-shaped pedestal with bottom surface;
8): polishing and paint process are carried out to drum-shaped pedestal;
9): top board is fixed on drum-shaped pedestal top, obtains finished product.
The present invention compared with prior art has following beneficial effect: traditional big drum combines with dining table by the present invention, and good looking appearance is generous, has classic breath, and stability of rotation, long service life, and preparation method is simple and practical, workable.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is structural representation of the present invention.
Fig. 2 is internal structure schematic diagram of the present invention.
Fig. 3 is the structural representation of top board in Fig. 1.
Fig. 4 is the internal structure schematic diagram of clamping stopper bearing in Fig. 2.
Fig. 5 is the upward view of thrust bearing holder in Fig. 4.
Fig. 6 is the partial enlarged drawing at A place in Fig. 4.
Fig. 7 is the structural scheme of mechanism of fixed disk in Fig. 4.
Fig. 8 is the sectional view at B-B place in Fig. 7.
Fig. 9 is the structural representation of thrust block pad.
In figure: 1 is drum-shaped pedestal, 2 is top board, and 3 is through wires hole, and 4 is dividing plate, and 5 is pillar, 6 is decorative lamp, and 7 is clamping stopper bearing, and 8 is LED, and 71 is thrust block pad, 72 is steel ball, and 73 is back-up ring, and 74 is fixed disk, and 75 is holder, 76 is osculum, and 77 is locating hole, and 78 is limit stop post, and 79 is steel ball hole, 80 is locating dowel, and 81 is flange, and 82 is limit stop post groove, and 83 is circlip groove, 84 is limited impression, 85 thrust discs, and 86 is bearing block, and 87 is cavity.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation, and accompanying drawing is the schematic diagram simplified, and only basic structure of the present invention is described in a schematic way, therefore it only shows the formation relevant with the present invention.
As shown in figs 1-9, a kind of cydariform dining table, comprise drum-shaped pedestal 1 and the top board 2 being arranged on drum-shaped pedestal 1 top, circular upper shed is dug at drum-shaped pedestal 1 inner hollow and top, the middle part of top board 2 also correspondence has through wires hole 3, through wires hole 3 is arranged with upper shed is concentric, and the diameter of through wires hole 3 is less than the diameter of upper shed, top board 2 can place plate, also electromagnetism hot pot stove can be put at the middle part of top board 2, cable is connected with the socket in drum-shaped pedestal 1 with after upper shed through through wires hole 3, can not affect the attractive in appearance of dining table entirety.Be provided with multilayer insulating panel 4 in drum-shaped pedestal 1, multilayer insulating panel 4 can place ornament, improve the overall appearance degree of dining table.
Drum-shaped pedestal 1 is arranged on pillar 5 by clamping stopper bearing 7, the concrete structure of clamping stopper bearing 7 is: comprise thrust block pad 71, steel ball 72, back-up ring 73, fixed disk 74 and holder 75, holder 75 newel outside suitable for reading has circlip groove 83, holder 75 shell inner side suitable for reading has limited impression 84, fixed disk 74 is annular components, annulus is arranged at intervals with multiple limit stop post 78 and steel ball hole 79, an another side extending to fixed disk 74 is had at least in limit stop post 78, be locating dowel 80, fixed disk 74 is placed in holder 75, locating dowel 80 is inserted in the locating hole 77 below holder 75, steel ball 72 is placed in steel ball hole 79, thrust block pad 71 is circumferentially evenly placed on above fixed disk 74, the extrados flange 81 of thrust block pad 71 is put in limited impression 84, steel ball 72 is aimed at center, be pressed in above steel ball 72, the limit stop post groove 82 of two sides aims at limit stop post 78, back-up ring 73 is stuck in circlip groove 83, is pressed in above thrust block pad 71 intrados flange 81.The steel ball 72 of thrust bearing, back-up ring 73 adopts standard component, bearing is also provided with osculum 76, fixed disk 74 and holder 75 can pass through hot investment casting, processing capacity is very little, can cut down finished cost, easy to assembly, as long as the locating hole 77 locating dowel 80 of fixed disk 74 being aimed at holder 75 puts in all right, again steel ball 72 is put into steel ball hole 79, the extrados flange 81 of thrust block pad 71 is inserted the groove of holder 75, make limit stop post groove 82 aim at limit stop post 78 to put well simultaneously, back-up ring 73 is buckled again in circlip groove 83, whole assembly work just completes, assembly work amount can be saved.
Wherein, holder 75 is placed in bearing block 86, a cavity 87 is had between holder 75 and bearing block 86, flexible member is filled with in cavity 87, this flexible member can be one or more spring, also can be the flexible member that elastic caoutchouc packing ring or other elastomeric materials are made, be filled with flexible member in cavity 87 after, eliminate the space between motor thrust disc 85 and thrust bearing thrust block pad 71, but still aligning effect can be played.
Wherein, the outer wall of drum-shaped pedestal 1 is evenly equipped with multiple LED 8, can LED be opened when night, very attractive in appearance.
Wherein, the top of pillar 5 is provided with decorative lamp 6, improves the aesthetic measure of dining table entirety.
Wherein, multilayer insulating panel 4 equi-spaced apart in the short transverse of drum-shaped pedestal 1 is arranged, improves the aesthetic measure of dining table entirety.
A kind of cydariform dining table preparation method, make according to following step:
1): first selected materials by wood leftover material, thin slice is sawn into, then sanding plane;
2): be bonded to arc batten, circular wood circle and linearity batten with timber work glue according to the radian of model;
3): arc batten is processed into U-shaped dentation arc batten respectively;
4): respectively the circle of different size diameter wood circle is processed into the circular wood circle of U-shaped dentation;
5): the upholstery border processing drum-shaped pedestal two ends with circular wood circle;
6): be assembled in the circle wood circle of upholstery border with many linearity battens, be processed into the bottom surface of drum-shaped pedestal 1;
7): enclose by arc batten and circle wood the cydariform face being assembled into drum-shaped pedestal 1, and synthesize overall drum-shaped pedestal 1 with bottom surface;
8): polishing and paint process are carried out to drum-shaped pedestal 1;
9): top board 2 is fixed on drum-shaped pedestal 1 top, obtains finished product.
The present invention can summarize with other the concrete form without prejudice to spirit of the present invention or principal character.Therefore, no matter from that, above-mentioned embodiment of the present invention all can only be thought explanation of the present invention and can not limit invention, claims indicate scope of the present invention, and scope of the present invention is not pointed out in above-mentioned explanation, therefore, any change in the implication suitable with claims of the present invention and scope, all should think to be included in the scope of claims.
Claims (6)
1. a cydariform dining table, it is characterized in that, comprise drum-shaped pedestal (1) and be arranged on the top board (2) at drum-shaped pedestal (1) top, circular upper shed is dug at described drum-shaped pedestal (1) inner hollow and top, the middle part of described top board (2) also correspondence has through wires hole (3), described through wires hole (3) is arranged with upper shed is concentric, and the diameter of through wires hole (3) is less than the diameter of upper shed, multilayer insulating panel (4) is provided with in described drum-shaped pedestal (1), described drum-shaped pedestal (1) is arranged on pillar (5) by clamping stopper bearing (7), described clamping stopper bearing (7) comprises thrust block pad (71), steel ball (72), back-up ring (73), fixed disk (74) and holder (75), holder (75) newel outside suitable for reading has circlip groove (83), holder (75) shell inner side suitable for reading has limited impression (84), fixed disk (74) is an annular component, annulus is arranged at intervals with multiple limit stop post (78) and steel ball hole (79), an another side extending to fixed disk (74) is had at least in limit stop post (78), be locating dowel (80), fixed disk (74) is placed in holder (75), locating dowel (80) is inserted in the locating hole (77) below holder (75), steel ball (72) is placed in steel ball hole (79), thrust block pad (71) is circumferentially evenly placed on above fixed disk (74), the extrados flange (81) of thrust block pad (71) is put in limited impression (84), steel ball (72) is aimed at center, be pressed in above steel ball (72), the limit stop post groove (82) of two sides aims at limit stop post (78), back-up ring (73) is stuck in circlip groove (83), is pressed in above thrust block pad (71) intrados flange (81).
2. a kind of cydariform dining table according to claim 1, is characterized in that, described holder (75) is placed in bearing block (86), has a cavity (87) between holder (75) and bearing block (86), in cavity (87), be filled with flexible member.
3. a kind of cydariform dining table according to claim 1, is characterized in that, the outer wall of described drum-shaped pedestal (1) is evenly equipped with multiple LED (8).
4. a kind of cydariform dining table according to claim 3, is characterized in that, the top of described pillar (5) is provided with decorative lamp (6).
5. a kind of cydariform dining table according to claim 4, is characterized in that, described multilayer insulating panel (4) equi-spaced apart in the short transverse of drum-shaped pedestal (1) is arranged.
6. a kind of cydariform dining table preparation method according to claim 1, is characterized in that, make according to following step:
1): first selected materials by wood leftover material, thin slice is sawn into, then sanding plane;
2): be bonded to arc batten, circular wood circle and linearity batten with timber work glue according to the radian of model;
3): arc batten is processed into U-shaped dentation arc batten respectively;
4): respectively the circle of different size diameter wood circle is processed into the circular wood circle of U-shaped dentation;
5): the upholstery border processing drum-shaped pedestal two ends with circular wood circle;
6): be assembled in the circle wood circle of upholstery border with many linearity battens, be processed into the bottom surface of drum-shaped pedestal (1);
7): enclose by arc batten and circle wood the cydariform face being assembled into drum-shaped pedestal (1), and synthesize overall drum-shaped pedestal (1) with bottom surface;
8): polishing and paint process are carried out to drum-shaped pedestal (1);
9): top board (2) is fixed on drum-shaped pedestal (1) top, obtains finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311143.9A CN104872996B (en) | 2015-06-09 | 2015-06-09 | A kind of cydariform dining table preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510311143.9A CN104872996B (en) | 2015-06-09 | 2015-06-09 | A kind of cydariform dining table preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104872996A true CN104872996A (en) | 2015-09-02 |
| CN104872996B CN104872996B (en) | 2017-09-29 |
Family
ID=53940887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510311143.9A Active CN104872996B (en) | 2015-06-09 | 2015-06-09 | A kind of cydariform dining table preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104872996B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2090645U (en) * | 1991-04-08 | 1991-12-18 | 封明信 | Movable lift multipurpose dining table |
| EP1574149A1 (en) * | 2004-03-09 | 2005-09-14 | Group de Keyzer BVBA | Table adjustable in height |
| US20070062418A1 (en) * | 2003-08-15 | 2007-03-22 | Hanamint Corporation, Inc. | Umbrella table with inlaid turntable |
| CN102729310A (en) * | 2012-07-11 | 2012-10-17 | 卢柳均 | Manufacture method of drum-shaped stool |
| CN202515147U (en) * | 2012-02-21 | 2012-11-07 | 浙江今飞凯达轮毂股份有限公司 | Hub rotary table |
| CN202746403U (en) * | 2012-08-13 | 2013-02-20 | 金华金力士泵业有限公司 | Thrust bearing |
| CN203058791U (en) * | 2013-01-30 | 2013-07-17 | 何宛霖 | Drum-like table |
| CN204682896U (en) * | 2015-06-09 | 2015-10-07 | 襄汾县徐记锣鼓制作有限公司 | A kind of cydariform dining table |
-
2015
- 2015-06-09 CN CN201510311143.9A patent/CN104872996B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2090645U (en) * | 1991-04-08 | 1991-12-18 | 封明信 | Movable lift multipurpose dining table |
| US20070062418A1 (en) * | 2003-08-15 | 2007-03-22 | Hanamint Corporation, Inc. | Umbrella table with inlaid turntable |
| EP1574149A1 (en) * | 2004-03-09 | 2005-09-14 | Group de Keyzer BVBA | Table adjustable in height |
| CN202515147U (en) * | 2012-02-21 | 2012-11-07 | 浙江今飞凯达轮毂股份有限公司 | Hub rotary table |
| CN102729310A (en) * | 2012-07-11 | 2012-10-17 | 卢柳均 | Manufacture method of drum-shaped stool |
| CN202746403U (en) * | 2012-08-13 | 2013-02-20 | 金华金力士泵业有限公司 | Thrust bearing |
| CN203058791U (en) * | 2013-01-30 | 2013-07-17 | 何宛霖 | Drum-like table |
| CN204682896U (en) * | 2015-06-09 | 2015-10-07 | 襄汾县徐记锣鼓制作有限公司 | A kind of cydariform dining table |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104872996B (en) | 2017-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204682896U (en) | A kind of cydariform dining table | |
| CN203986716U (en) | Electric rotation circle dining table | |
| CN216340591U (en) | Heat preservation and decoration integrated component | |
| CN203416943U (en) | Dining table | |
| CN104872996A (en) | Drum-shaped dinner table and manufacturing method thereof | |
| CN104223773A (en) | Large three-layer lazy susan and processing method thereof | |
| CN204120502U (en) | A kind of large gauge three layers of lazy Susan | |
| CN205963355U (en) | Artificial intelligence turntable | |
| CN201019232Y (en) | Electric voice color light dining-table advertisement turntable | |
| CN203986950U (en) | A kind of dinner table with luminous ornament | |
| CN202179273U (en) | Multilayered-turntable dining table | |
| CN204336189U (en) | Lazy Susan | |
| CN103462354A (en) | Practical rosewood dining table | |
| CN204693303U (en) | Chinese zodiac light fixture | |
| CN102366227A (en) | Novel mahogany dinner table | |
| CN202697318U (en) | Bamboo decorative flower stand | |
| CN219288976U (en) | Flower placing device of turntable dining table | |
| CN209251959U (en) | A kind of household furniture decoration | |
| CN202604091U (en) | Rotary cabinet convenient to use | |
| CN207621749U (en) | A kind of colorful floor lamp of rotary type | |
| CN209983706U (en) | Rosewood table with essence box | |
| CN207849325U (en) | A kind of lotus flower candleholder base seat structure | |
| CN202287124U (en) | Coffee table and chair combination | |
| CN202019998U (en) | Automatic control rotary dining table | |
| CN206197650U (en) | A kind of ceramic combination disk |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201127 Address after: Room 406, no.3020 Huling Road, Linghu Town, Nanxun District, Huzhou City, Zhejiang Province Patentee after: Huzhou lingchuang Technology Co.,Ltd. Address before: 041500 Shanxi city of Linfen province Xiangfen County Nan Xin Dian Xiang Bei Xu Village Patentee before: XIANGFEN XUJI PERCUSSION PRODUCTIONS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210309 Address after: 053000 Qiaotou Town Industrial Zone, Wuyi County, Hengshui City, Hebei Province Patentee after: HEBEI XIANDAI STEEL AND WOOD PRODUCTS CO.,LTD. Address before: Room 406, 3020 Huling Road, Linghu Town, Nanxun District, Huzhou City, Zhejiang Province, 313000 Patentee before: Huzhou lingchuang Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240510 Address after: 053400 North Road, 30 meters east of the intersection of Tianqiao Street and 339 National Road, Xiaoqiaotou Town, Wuyi County, Hengshui City, Hebei Province Patentee after: Hebei Shuntian Intelligent Technology Development Group Co.,Ltd. Country or region after: China Address before: 053000 Qiaotou Town Industrial Zone, Wuyi County, Hengshui City, Hebei Province Patentee before: HEBEI XIANDAI STEEL AND WOOD PRODUCTS CO.,LTD. Country or region before: China |