CN104802247B - Mahogany furniture curved member bending of solid wood process - Google Patents
Mahogany furniture curved member bending of solid wood process Download PDFInfo
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- CN104802247B CN104802247B CN201510258312.7A CN201510258312A CN104802247B CN 104802247 B CN104802247 B CN 104802247B CN 201510258312 A CN201510258312 A CN 201510258312A CN 104802247 B CN104802247 B CN 104802247B
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- solid wood
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- 239000002023 wood Substances 0.000 title claims abstract description 37
- 239000007787 solid Substances 0.000 title claims abstract description 33
- 238000005452 bending Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 31
- 241000158728 Meliaceae Species 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 240000005020 Acaciella glauca Species 0.000 claims abstract description 18
- 235000003499 redwood Nutrition 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 5
- 238000003801 milling Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 238000010025 steaming Methods 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 238000007514 turning Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000003973 paint Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003672 processing method Methods 0.000 abstract description 3
- 239000002932 luster Substances 0.000 abstract description 2
- 239000002253 acid Substances 0.000 description 4
- 210000004556 brain Anatomy 0.000 description 2
- 244000086363 Pterocarpus indicus Species 0.000 description 1
- 235000009984 Pterocarpus indicus Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 244000138993 panchioli Species 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27H—BENDING WOOD OR SIMILAR MATERIAL; COOPERAGE; MAKING WHEELS FROM WOOD OR SIMILAR MATERIAL
- B27H1/00—Bending wood stock, e.g. boards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/025—Controlling the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/001—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/06—Softening or hardening of wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/02—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by compressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The present invention is mahogany furniture curved member bending of solid wood process, is comprised the following steps：（1）Assortment selects to process with square bar；（2）Water is boiled or decatize heat treatment softening；（3）Longitudinal longitudinal compression；（4）Mold bending shapes；（5）Dryness finalization；（6）Display health；（7）Mahogany furniture curved member is made in post-production bending；Advantage：The tradition line saw processing method processed generally used at present can be substituted, shaped form parts are made in the directly bending of redwood class solid wood square bar；The production technology level of mahogany furniture shaped form parts can be lifted, simplifies production craft step；Redwood class timber utilization rate can be improved, strengthens shaped form parts intensity, it is ensured that the texture color and luster effect and paint finishing quality of product surface.
Description
Technical field
The present invention relates to one kind by redwood class solid wood square bar, by the way that assortment selection and square bar are processed, water is boiled or decatize
Heat treatment softening, longitudinal Longitudinal compressing, mold bending shaping, conventional drying are shaped, display the techniques such as health and post-production step
The rapid technique and method for being manufactured directly to mahogany furniture curved member.Present invention mainly solves existing mahogany furniture shaped form
Component is still using tradition line saw system processing, and the reality that can not be produced with solid wood square bar press bent process is asked
Topic.Belong to material and production of articles technical field.
Background technology
In Chinese tradition mahogany furniture product, the need for meeting use function and esthetics taste, it can often see
To there are a various curved members, the chair circle of such as chair class mahogany furniture, backboard, handrail, brain, connection side rod, leg foot are taken
Parts are directed to the utilization of curved member, and mostly linear curve shape component.
The curved member of mahogany furniture is more much more complex than linear members processing technology.Because redwood class timber belongs to
Dark rare hard broadleaf, its density is big, material is hard, texture is staggeredly attractive in appearance, and current conventional solid wood square bar bending process is also
Be not suitable for its press bent into required shaped form parts, thus, it is actual in existing mahogany furniture shaped form parts
In production, chair circle, backboard, handrail in chairs and stoolses, the making for taking the bending parts such as brain, connection side rod, leg foot, still also
Using traditional saw processing method, be generally required for fine woodwork band saw or scroll saw by redwood plate square bar by dispensing, stroke
Curved woollen is sawed into after line, then parts are processed into through milling and net material.This method, timber utilization rate is low, for
The big parts of the flexibility such as chair circle, backboard, handrail, rhaeboscelia, in addition it is also necessary to splice, process more complicated, volume recovery lower；With this
Meanwhile, also because having a large amount of lumber fibres by transversely cutting so that shaped form parts intensity decreases, and curved surface is coarse, difficult
In paint finishing.Thus, it is desirable to study the new process of the direct bending forming of redwood class solid wood square bar, it is general at present to substitute
All over the conventional method of the saw processing curve shape parts processed used.
The content of the invention
Proposed by the present invention is mahogany furniture curved member bending of solid wood process, and its purpose aims to solve the problem that current reality
Conventional solid wood square bar bending process method can not be still used in the production of border, and can only be using the processing method production processed of tradition line saw
The realistic problem of mahogany furniture curved member, it is proposed that processed by assortment selection and square bar, water is boiled or decatize heat treatment is soft
Change, the shaping of longitudinal Longitudinal compressing, mold bending, conventional drying sizing, display the processing steps such as health and post-production and directly make
The technique and method of mahogany furniture curved member are caused, the production technology water of mahogany furniture shaped form parts can be lifted
It is flat, simplify production craft step, improve timber utilization rate, strengthen shaped form parts intensity, it is ensured that the texture color of product surface
Damp effect and paint finishing quality.
The technical solution of the present invention：Mahogany furniture curved member bending of solid wood process, comprises the following steps：
（1）Assortment selects to process with square bar；
（2）Water is boiled or decatize heat treatment softening；
（3）Longitudinal longitudinal compression；
（4）Mold bending shapes；
（5）Dryness finalization；
（6）Display health；
（7）Mahogany furniture curved member is made in post-production bending.
Advantages of the present invention：The present invention is processed by assortment selection and square bar, water is boiled or decatize heat treatment softens, longitudinal direction is suitable
Line compression, mold bending shaping, conventional drying are shaped, display the processing steps such as health and post-production, directly that redwood class is real
Flitch material bends to mahogany furniture shaped form parts.The present invention can substitute the current tradition line saw system generally used and add
Work method, shaped form parts are made by the directly bending of redwood class solid wood square bar；Mahogany furniture shaped form parts can be lifted
Production technology level, simplify production craft step；Redwood class timber utilization rate can be improved, enhancing shaped form parts are strong
Degree, it is ensured that the texture color and luster effect and paint finishing quality of product surface.
Embodiment
Mahogany furniture curved member bending of solid wood process,
（1）Assortment selects to process with square bar：Structure should be selected thin, texture straight, texture interlocks gradient less than 10 °, does not have
Rotten, ring shake, twill, the material of knot defect, such as some of red acid branch wood class, rosewood class and nigrotic acid branch wood class commonly use material
Kind；
Square bar is processed, and according to the cross dimensions of shaped form parts and curved shape requirement, redwood class solid wood board is led to
Thickness is crossed to scrape, ripping, laterally be truncated into meeting specifications section and length dimension and be the square bar woollen of longitudinal straight burr；
（2）Water is boiled or decatize heat treatment softening：By redwood class solid wood square bar water soak at room temperature 24h, timber is improved aqueous
Rate, makes its moisture content reach 12-15%, is then boiled or decatize heat treatment softening using water；Specifically include 1）Water-boiling method softens：Will
Redwood class solid wood square bar is immersed in digester（Tank）In interior water, heating water boils softening, and control water temperature is at 70-80 DEG C, when water is boiled
Between by square bar per thickness 20mm be 20-30min；2）Decatize heat treatment vapour softening：Redwood class solid wood square bar is shelved on digester
（Tank）On interior frame, it is passed through saturated vapor and carries out decatize softening, control vapor (steam) temperature is at 105-115 DEG C, and steaming time presses square bar
It is 30-40min per thickness 20mm；
（3）Longitudinal Longitudinal compressing：By through water boil or decatize sofening treatment after redwood class solid wood square bar, keep 70 DEG C with
Under conditions of upper temperature, it is put into rapidly to Longitudinal compressing device or Longitudinal compressing machine carries out longitudinal compression, makes square bar axially fine
Tie up cell and produce the folding of side wall, initial stage, compression ratio was 10-12%；After release, redwood class solid wood square bar can produce Partial shrinkage and return
The realistic compression ratio of square bar is 4-5% after bullet, compression rebound；
（4）Mold bending shapes：Redwood class solid wood square bar after longitudinal compression, from Longitudinal compressing device or Longitudinal compressing
In machine after release, the shape of requirement should be bent to using manual fixture or Qu Muji mould pressurizing of being fitted immediately；Bend to
During shape, on solid wood square bar length direction, with metal steel strap and facing stop and timber wedge need to be added to position square bar, to ensure square bar
It is close to metal steel strap, prevents Extrude Face on the outside of solid wood square bar, break and lose；Meanwhile, metal steel strap can also make in solid wood square bar
Side compression face is fitted well with mould, prevents solid wood square bar inboard compression face is produced because of longitudinal compression from crumpling damage；
（5）Dryness finalization：After solid wood square bar bends to the shape of requirement, by itself and metal steel strap and mould, sometimes
It can be fixed together without mould and keep case of bending, entirety to be put into dry kiln after unloading from fixture or Qu Muji
Row dryness finalization；During using steam seasoning, to ensure the sizing quality of redwood class solid wood square bar bent member, drying temperature is
40-60 DEG C, drying time is 48-72h, to ensure the moisture content after solid wood square bar bent member dryness finalization as 10% or so；
（6）Display health：Solid wood square bar can take after being handled under keeping case of bending through dryness finalization out of dry kiln
Go out, and still keep with metal steel strap and mould, can be also fixed together sometimes without mould, then indoors normal temperature condition transfer
Put 2-3 days and carry out health processing, make solid wood square bar bent member internal stress balanced and curved shape is stable；
（7）Post-production：Metal steel strap and mould are removed, is added by using turning, milling, shaping mechine cutting and net material
Work, you can manufacture into the shaped form parts of mahogany furniture.
Embodiment 1：
Barry yellow wingceltis solid wood square bar shaped form parts bending process：
1st, selection and square bar are processed：Barry yellow wingceltis（Dalbergia bariensis Pierre）It is under the jurisdiction of pulse family yellow wingceltis
Category, is red acid branch wood class seeds, also known as " spray ", " spending sour branch ", " purple acid branch ".Diffuse porous wood, structure is thin, and texture is relatively straight or hands over
Mistake, air-dry density is 0.98 ~ 1.17g/cm3.Select without solid wood board rotten, without ring shake, without twill, without defects such as knots,
It is processed into specification（Length × width x thickness）For 300mm × 20mm × 20mm longitudinal straight burr square bar test specimen.
2nd, water is boiled or decatize heat treatment softening：By square bar test specimen water soak at room temperature 24h, its moisture content is set to reach 12-
13%, then boiled or decatize heat treatment softening using water.（1）Water-boiling method softens：Square bar test specimen is immersed in digester（Tank）Interior
Water is heated in water and boils softening, water temperature is 70 DEG C, and water boils the time for 20min；（2）Steam method softens：Square bar test specimen is shelved on steaming
Saucepan（Tank）On interior frame, it is passed through saturated vapor and carries out decatize softening, vapor (steam) temperature is at 110 DEG C, and steaming time is 30min.
3rd, longitudinal Longitudinal compressing：By through water boil or decatize sofening treatment after square bar test specimen be put into Longitudinal compressing device rapidly
Longitudinal compression is carried out, initial stage, compression ratio was 10%；After release, square bar test specimen can produce Partial shrinkage resilience, compression rebound rear
The realistic compression ratio of material test specimen is 4.5 ~ 4.6%.
4th, mold bending shapes：Square bar test specimen after longitudinal compression, from Longitudinal compressing device after release, immediately by it
It is put between the two ends block of metal steel strap and adds timber wedge to fix, and is bent to using special Qu Muji mould pressurizings of being fitted
It is required that unidirectional arcuate shape.
5th, conventional drying is shaped：After square bar test specimen bends to the unidirectional arcuate shape of requirement, it is consolidated with metal steel strap
It is scheduled on and keeps case of bending together, is immediately placed in after being unloaded from Qu Muji moulds in drying box and sizing is dried.Dry temperature
Spend for 50 DEG C, drying time is that the moisture content after 60h, dryness finalization is 10.5% or so.
6th, health processing is displayed：Square bar bending specimen takes out after dryness finalization out of drying box, together with metal steel strap one
Rise, then place progress health processing in 3 days under normal temperature condition indoors, square bar bending specimen curved shape can be made stable.Then tear open
Except metal steel strap and mould, processed by using the machine cuts such as turning, milling, planing and net material, you can manufacture into red
The shaped form parts of wooden furniture.
Claims (1)
1. mahogany furniture curved member bending of solid wood process, it is characterized in that this method comprises the following steps：
1）Selection is processed with square bar：Selection is processed into without solid wood board rotten, without ring shake, without twill, without knot defect
Specification is 300mm × 20mm × 20mm longitudinal straight burr square bar test specimen；
2）Water is boiled or decatize heat treatment softening：By square bar test specimen water soak at room temperature 24h, its moisture content is set to reach 12-13%, so
Boiled or decatize heat treatment softening using water afterwards：（1）Water-boiling method softens：Square bar test specimen is immersed in the water in digester and heats water
Softening is boiled, water temperature is 70 DEG C, and water boils the time for 20min；（2）Steam method softens：Square bar test specimen is shelved on to the frame in digester
On, it is passed through saturated vapor and carries out decatize softening, vapor (steam) temperature is at 110 DEG C, and steaming time is 30min；
3）Longitudinal Longitudinal compressing：By through water boil or decatize sofening treatment after square bar test specimen be put into rapidly Longitudinal compressing device carry out
Longitudinal compression, initial stage, compression ratio was 10%；After release, square bar test specimen can produce square bar after Partial shrinkage resilience, compression rebound and try
The realistic compression ratio of part is 4.5 ~ 4.6%；
4）Mold bending shapes：Square bar test specimen after longitudinal compression, from Longitudinal compressing device after release, puts it into immediately
Between the two ends block of metal steel strap and add timber wedge to fix, and requirement is bent to using special Qu Muji mould pressurizings of being fitted
Unidirectional arcuate shape；
5）Conventional drying is shaped：After square bar test specimen bends to the unidirectional arcuate shape of requirement, it is fixed on metal steel strap
Case of bending is kept together, is immediately placed in after being unloaded from Qu Muji moulds in drying box and sizing is dried, and drying temperature is
50 DEG C, drying time is that the moisture content after 60h, dryness finalization is 10.5%；
6）Display health processing：Square bar bending specimen takes out after dryness finalization out of drying box, together with metal steel strap, then
Placed indoors under normal temperature condition 3 days and carry out health processing, made square bar bending specimen curved shape stable, then remove metallic steel
Band and mould, process by using turning machinery, milling machinery, shaping mechine cutting and net material, that is, manufacture into redwood man
The shaped form parts of tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510258312.7A CN104802247B (en) | 2015-05-20 | 2015-05-20 | Mahogany furniture curved member bending of solid wood process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510258312.7A CN104802247B (en) | 2015-05-20 | 2015-05-20 | Mahogany furniture curved member bending of solid wood process |
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| Publication Number | Publication Date |
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| CN104802247A CN104802247A (en) | 2015-07-29 |
| CN104802247B true CN104802247B (en) | 2017-10-20 |
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| CN106378849B (en) * | 2016-09-09 | 2019-06-21 | 南京工业大学 | Method for forming arc-shaped laminated wood member based on wood plasticity |
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| CN101774194A (en) * | 2010-01-18 | 2010-07-14 | 石家庄开发区纪元电气有限公司 | Bending molding process for wooden product solid wood |
| CN104441112B (en) * | 2014-12-10 | 2017-01-04 | 梅州市汇胜木制品有限公司 | A kind of bending of solid wood Apparatus and method for based on timber longitudinal compression |
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Application publication date: 20150729 Assignee: Zhongshan Taixing Furniture Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: 2019320000254 Denomination of invention: Solid wood bending technological method for curve-shaped structural member of redwood furniture Granted publication date: 20171020 License type: Common License Record date: 20190722 |
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Application publication date: 20150729 Assignee: Jiangsu Hanning Smart Home Co., Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000028 Denomination of invention: Solid wood bending technological method for curve-shaped structural member of redwood furniture Granted publication date: 20171020 License type: Common License Record date: 20190812 |
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Effective date of registration: 20200827 Address after: 528476 Guangdong Province, Zhongshan city in the town of Xing Yong Lu (ren mountain area) Patentee after: ZHONGSHAN TAIXING FURNITURE Co.,Ltd. Address before: Nanjing City, Jiangsu province 210037 Longpan Road No. 159 Patentee before: NANJING FORESTRY University |
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Denomination of invention: Solid wood bending process for curved components of mahogany furniture Effective date of registration: 20210824 Granted publication date: 20171020 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: ZHONGSHAN TAIXING FURNITURE Co.,Ltd. Registration number: Y2021980008241 |
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