CN109198792A - Footwear material and its manufacturing method - Google Patents
Footwear material and its manufacturing method Download PDFInfo
- Publication number
- CN109198792A CN109198792A CN201710552044.9A CN201710552044A CN109198792A CN 109198792 A CN109198792 A CN 109198792A CN 201710552044 A CN201710552044 A CN 201710552044A CN 109198792 A CN109198792 A CN 109198792A
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- China
- Prior art keywords
- ontology
- footwear material
- reinforcement
- layer
- manufacturing
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- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0205—Uppers; Boot legs characterised by the material
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/0255—Uppers; Boot legs characterised by the constructive form assembled by gluing or thermo bonding
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
- A43B23/02—Uppers; Boot legs
- A43B23/0245—Uppers; Boot legs characterised by the constructive form
- A43B23/0295—Pieced uppers
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D25/00—Devices for gluing shoe parts
- A43D25/18—Devices for applying adhesives to shoe parts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
A kind of footwear material and its manufacturing method, the footwear material includes an ontology, and at least one reinforcement unit, the ontology include the inner surface that an outer surface and one are in reverse to the outer surface, the reinforcement unit is set to the ontology, the hot melt adhesive layer and a strengthening layer for being set to the inner surface including one, the strengthening layer have the staggered reinforcing fiber of number, the reinforcing fiber is directly sprayed for making around the strengthening layer in the hot melt adhesive layer in irregular.Whereby, the present invention is directly to carry out reinforcement in the region that footwear material is intended to reinforcement, compared to existing reinforcing paster, processing procedure of the invention is simple, does not need that the clout after cutting will not be generated using strippable paper, and it can automate to save the personnel for cutting or pasting reinforcing paster, processing procedure is more environmentally friendly and cost is relatively low, in addition, with the Shoes material structure produced of the present invention is simple and lighter in weight, the shoes of lighter in weight can be made into, trend now is met.
Description
Technical field
The present invention relates to a kind of footwear materials, more particularly to a kind of more environmentally friendly footwear material reinforcement processing procedure.
Background technique
It is first to entrust for a kind of reinforcement of the footwear material made by loop bonding non-woven fabrics (also referred to as Li Xinbu, Li Xinbu)
Reinforcing paster is made by outsourcing factory, and the production of reinforcing paster is to spray a glue-line, then benefit in the wherein side of a substrate
It through several spray orifices with Filamentous spray attachment in the glue-line, and is using the tropisms such as not after being melted high molecular material with a melt blowing machine
Stacking mode, then after being hot pressed into fine and close sheet through spreader bar, Waterborne hot-melt adhesive is coated with idler wheel in the other side of the substrate
And attach upper strippable paper, that is, a reinforcing paster is completed, subsequent Shoes Factory is in use, then according to the position face of vamp pulling force to be reinforced
Product cuts the reinforcing paster, then removes the strippable paper on the reinforcing paster after cutting in a manual manner, and sticks in vamp desire
The position of reinforcement, it is subsequent that hot pressing is carried out to the vamp again, it is tightly engaged into reinforcing paster in vamp.
However, the Instep structure for shoes through above-mentioned reinforcement is more complex, heavier-weight, for being particular about for light-weight shoes now
It is more improper, furthermore, the method and step of aforementioned reinforcement vamp is complicated, processing time is longer, and reinforcing paster cut after have perhaps
Extra material, not only not environmentally and cost is also higher.
Summary of the invention
Simple, lighter in weight reinforcement footwear material that the purpose of the present invention is to provide a kind of structures.
Footwear material of the invention includes an ontology and at least one reinforcement unit.
The ontology includes the inner surface that an outer surface and one are in reverse to the outer surface.
The reinforcement unit is set to the ontology, and the hot melt adhesive layer for being set to the inner surface including one and one are set to
Strengthening layer above the hot melt adhesive layer in irregular around the strengthening layer, and has the staggered reinforcing fibers of number.
Footwear material of the invention is non-smooth side around the strengthening layer.
Footwear material of the invention, the ontology further include a preceding shirt portion, two left and right sides for being connected to the preceding shirt portion and to
The extension that extends afterwards, two waist portions for being connected to the rear side of the extension and extending back, each extension
It is formed with the eyelet of several time interval arrangements, each eyelet is through to the inner surface by the outer surface, the reinforcement unit energy
The preceding shirt portion, the extension are selectively arranged at adjacent to the position and the one of position in waist portion of the eyelet.
It is another object of the present invention to provide one kind can simplify processing procedure, and shortens the manufacture of the footwear material of processing time
Method.
The manufacturing method of footwear material of the invention comprises the steps of (A) and orients at least one on the inner surface of the ontology
A reinforcement region.(B) hot melt adhesive layer is sprayed relative to the reinforcement region of the ontology.(C) relative to the reinforcement of the ontology
Region sprays the strengthening layer, makes the reinforcing fiber of the strengthening layer by spray attachment on the hot melt adhesive layer in the reinforcement region.(D) hot
The ontology, the hot melt adhesive layer and the strengthening layer are pressed, the ontology is attached closely with the strengthening layer by the hot melt adhesive layer and is integrated.
Footwear material of the invention includes: an ontology, including an outer surface and one are in reverse to the interior table of the outer surface
Face；And at least one reinforcement unit, it is set to the ontology.
The reinforcement unit includes an adhesive reinforced layer, is in irregular around the adhesive reinforced layer, and there is number to hand over
Wrong reinforcing fiber.
Footwear material of the invention is non-smooth side around the adhesive reinforced layer.
Footwear material of the invention, the ontology further include a preceding shirt portion, two left and right sides for being connected to the preceding shirt portion and to
The extension that extends afterwards, two waist portions for being connected to the rear side of the extension and extending back, each extension
It is formed with the eyelet of several time interval arrangements, each eyelet is through to the inner surface by the outer surface, the reinforcement unit energy
The preceding shirt portion, the extension are selectively arranged at adjacent to the position and the one of position in waist portion of the eyelet.
The manufacturing method of footwear material of the invention, using a photographic device as tool, step A is to be captured to be somebody's turn to do by the photographic device
After the image of ontology, according to a judgment rule, the reinforcement region is oriented.
The manufacturing method of footwear material of the invention, using a device for melt blowing as tool, step C first should by the device for melt blowing
Strengthening material fusing after, then via several spray orifices by the strengthening material with filiform spray.
The manufacturing method of footwear material of the invention comprises the steps of (A) and orients at least one on the inner surface of the ontology
A reinforcement region；(B) reinforcing fiber and hot melt adhesive are stirred, a stickiness fortifier is become；(C) being somebody's turn to do relative to the ontology
Reinforcement region sprays the stickiness fortifier, strengthens the stickiness fortifier in the reinforcement region to form a stickiness by spray attachment
Layer；(D) the hot pressing ontology and the adhesive reinforced layer attach the ontology closely with the adhesive reinforced layer and are integrated.
The manufacturing method of footwear material of the invention, using a photographic device as tool, step A is to be captured to be somebody's turn to do by the photographic device
After the image of ontology, according to a judgment rule, the reinforcement region is oriented.
The manufacturing method of footwear material of the invention, using a device for melt blowing as tool, step C is to be sticked this by the device for melt blowing
Property fortifier via several spray orifices with filiform spray.
The beneficial effects of the present invention are: do not need production reinforcing paster, but directly in footwear material be intended to reinforcement region into
Row reinforcement, compared to the method for existing reinforcement footwear material, processing procedure of the invention is simple, does not need to generate using strippable paper
Clout after cutting, and can automate to save the personnel for cutting or pasting reinforcing paster, processing procedure is more environmentally friendly and cost is relatively low, this
Outside, with the Shoes material structure produced of the present invention is simple and lighter in weight, the shoes of lighter in weight can be made into, meet becoming now
Gesture.
Detailed description of the invention
Other features of the invention and effect will be clearly presented in the embodiment referring to schema, in which:
Fig. 1 is a schematic top plan view of a first embodiment of footwear material of the present invention；
Fig. 2 is a partial enlarged view of Fig. 1；
Fig. 3 is a schematic cross-sectional view of the line III-III in Fig. 1；
Fig. 4 is a block diagram of a first embodiment of the manufacturing method of footwear material of the present invention；
Fig. 5 is a flow chart of the first embodiment；
Fig. 6 is a shaping schematic view of the first embodiment, illustrates using a photographic device to be tool in a sheet
Several reinforcement regions are oriented on body；
Fig. 7 is another shaping schematic view of the first embodiment, illustrates using a glue-spraying device to be tool in described
Spray hot melt adhesive layer in reinforcement region；
Fig. 8 is another shaping schematic view of the first embodiment, illustrates using a device for melt blowing to be tool in described
Spray attachment strengthening layer on the hot melt adhesive layer in reinforcement region；
Fig. 9 is a schematic top plan view of a second embodiment of footwear material of the present invention；
Figure 10 is a schematic cross-sectional view of the line Ⅹ-Ⅹ in Fig. 9；
Figure 11 is a block diagram of a second embodiment of the manufacturing method of footwear material of the present invention；And
Figure 12 is a flow chart of the second embodiment.
Specific embodiment
Before the present invention is described in detail, it shall be noted that in the following description content, similar component is with identical
Number indicate.
As shown in Figures 1 to 3, a first embodiment of footwear material of the present invention includes an ontology 1 and five reinforcement units
2。
The ontology 1 includes that a preceding shirt portion 11, two is connected to the left and right sides of the preceding shirt portion 11 and what is extended back prolong
Extending portion 12, two 13, one, the waist portion outer surfaces 14 and one for being connected to the rear side of the extension 12 and extending back
A inner surface 15 for being in reverse to the outer surface.Each extension 12 is formed with the eyelet 121 of several time interval arrangements, each
A eyelet 121 is to be through to the inner surface 15 by the outer surface 14.In the present embodiment, the material of the ontology 1 is loop bonding nonwoven
Cloth (also referred to as Li Xinbu, Li Xinbu).
The reinforcement unit 2 is set to the inner surface 15 of the ontology 1, and is located at the preceding shirt portion 11, the extension
12 adjacent to the position and the waist portion 13 of the eyelet 121, each reinforcement unit 2 includes one and is set to the inner surface 15
Hot melt adhesive layer 21 and a strengthening layer 22 for being set to 21 top of the hot melt adhesive layer, 221 in not advising around the strengthening layer 22
Then shape and be non-smooth side, and there are the staggered reinforcing fibers 222 of number.In the present embodiment, each reinforcement unit 2 is strong
The material for changing layer 22 can be polypropylene (PP) and polyethylene terephthalate (PET) one of them.
For existing footwear material, footwear material of the present invention is directly directly to form institute in the region that the ontology 1 is intended to reinforcement
State the hot melt adhesive layer 21 and strengthening layer 22, do not need to paste reinforcing paster, therefore structure is simple and overall weight is lighter, it is subsequent can
The shoes of lighter in weight are made.
As shown in Figure 4, Figure 5, the present invention makes a first embodiment of the manufacturing method of above-mentioned footwear material, is taken the photograph using one
Picture 3, one, the device device for melt blowing 5 of glue-spraying device 4, one and a spreader bar 6 are tool, are comprised the steps of
Step 100: cooperation is refering to Fig. 6, after which captures the image of the ontology 1, according to a judgment rule,
Several reinforcement regions (region that dotted line surrounds in Fig. 5) is oriented on the inner surface 15 of the ontology 1.Aforementioned judgment rule is first
After the profile and area that recognize the ontology 1, according to the reinforcement region of default, position of the reinforcement region with respect to the ontology 1 is determined.
Step 200: refering to Fig. 7, which sprays one relative to the reinforcement region of the ontology 1 respectively for cooperation
A hot melt adhesive layer 21.
Step 300: cooperation is refering to Fig. 8,5 melt polypropylene of device for melt blowing (PP) or polyethylene terephthalate
(PET) etc. after materials, the reinforcement region relative to the ontology 1 sprays Filamentous reinforcing fiber 222, makes the reinforcing fiber
222 by spray attachment on the hot melt adhesive layer 21 in the reinforcement region.
Step 400: 6 hot pressing of the spreader bar ontology 1, the hot melt adhesive layer 21 and the reinforcing fiber 222 make the benefit
Strong fiber 222 forms the strengthening layer 22 by the hot melt adhesive layer 21, and closely attaches and be integrated with the ontology 1.
For processing procedure compared to existing footwear material, the production method of footwear material of the present invention does not need production reinforcing paster, but
Reinforcement directly is carried out in the region that footwear material is intended to reinforcement, compared to the method for existing reinforcement footwear material, present invention eliminates production to mend
The processing procedure of strong patch, therefore processing procedure is simpler, can be shortened the time of production, after not needing to generate using strippable paper and cutting
Clout, and can automate to save the personnel for cutting or pasting reinforcing paster, be a kind of more environmentally friendly and lower-cost processing procedure.
As shown in Figures 9 and 10, a second embodiment of footwear material of the present invention, it is very similar with the first embodiment, it is main
Difference is only that:
Each reinforcement unit 2 only includes an adhesive reinforced layer 23, and 231 in irregular around the adhesive reinforced layer 23
Shape and be non-smooth side, and there are the staggered reinforcing fibers 232 of number, it is to be understood that in the present embodiment, each benefit
The adhesive reinforced layer 23 of strong unit 2 is by the reinforcing fiber 222 of the strengthening layer 22 in the first embodiment and the hot melt adhesive layer
21 mixing are formed.
As shown in Figure 11,12, the present invention makes a second embodiment of the manufacturing method of above-mentioned footwear material, is similar to the shoes
The first embodiment of the manufacturing method of material is tool using the photographic device 3, the device for melt blowing 5 and the spreader bar 6, under including
Column step:
Step 500: after the photographic device 3 captures the image of the ontology 1, according to a judgment rule, in the ontology 1
Several reinforcement regions are oriented on surface 15.
Step 600: stirring reinforcing fiber and hot melt adhesive become a stickiness fortifier.
Step 700: the device for melt blowing 5 is sprayed the stickiness fortifier with filiform via several spray orifices, and relative to this
The reinforcement region of body 1 sprays the stickiness fortifier, make the stickiness fortifier by spray attachment in the reinforcement region to be formed
State the adhesive reinforced layer 23 of reinforcement unit 2.
Step 800: 6 hot pressing of the spreader bar ontology 1 and the adhesive reinforced layer 23 strengthen the ontology 1 and the stickiness
Layer 23 is closely attached and is integrated.
It is summarized as follows after described above, then by advantages of the present invention:
1. footwear material of the present invention is directly directly to form the described hot melt adhesive layer 21 in the region that the ontology 1 is intended to reinforcement and strengthen
Layer 22, or the adhesive reinforced layer 23 is directly formed in the region that the ontology 1 is intended to reinforcement, it does not need to paste reinforcing paster, because
This structure is simple and overall weight is lighter, the subsequent shoes that lighter in weight can be made.
2. the production method of footwear material of the present invention do not need production reinforcing paster, but directly in footwear material be intended to reinforcement region into
Row reinforcement, compared to the method for existing reinforcement footwear material, present invention eliminates the processing procedures of production reinforcement patch, therefore processing procedure is simpler
It is single, it can be shortened the time of production, do not need that the clout after cutting will not be generated using strippable paper, and can automate to save and cut out
The personnel for cutting or pasting reinforcing paster are a kind of more environmentally friendly and lower-cost processing procedures.
In conclusion the present invention provides a kind of simple structure and the lighter reinforcement footwear material of overall weight and a kind of processing procedure
The manufacturing method of the aforementioned reinforcement footwear material of more simple and environmentally-friendly and lower-cost production, so the purpose of the present invention can be reached really.
As described above, only the embodiment of the present invention is when cannot be limited the scope of implementation of the present invention with this, i.e., all
According to simple equivalent changes and modifications made by claims of the present invention and description, all still belong to the scope of the present invention.
Claims (12)
1. a kind of footwear material, includes:
One ontology, including an outer surface and one are in reverse to the inner surface of the outer surface；And
At least one reinforcement unit, is set to the ontology；
It is characterized by:
The reinforcement unit include the hot melt adhesive layer for being set to the inner surface and one be set to it is strong above the hot melt adhesive layer
Change layer, is in irregular around the strengthening layer, and there is the staggered reinforcing fiber of number.
2. footwear material according to claim 1, it is characterised in that: be non-smooth side around the strengthening layer.
3. footwear material according to claim 1, it is characterised in that: the ontology further include a preceding shirt portion, two be connected to this
The left and right sides of preceding shirt portion and the extension to extend back, two be connected to the rear side of the extension and extend back
Waist portion, each extension are formed with the eyelet of several time interval arrangements, each eyelet is through to this by the outer surface
Inner surface, the reinforcement unit can be selectively arranged at the preceding shirt portion, the extension adjacent to the position of the eyelet and described
The one of position in waist portion.
4. a kind of footwear material, includes:
One ontology, including an outer surface and one are in reverse to the inner surface of the outer surface；And
At least one reinforcement unit, is set to the ontology；
It is characterized by:
The reinforcement unit includes an adhesive reinforced layer, is in irregular around the adhesive reinforced layer, and have number staggered
Reinforcing fiber.
5. footwear material according to claim 4, it is characterised in that: be non-smooth side around the adhesive reinforced layer.
6. footwear material according to claim 4, it is characterised in that: the ontology further include a preceding shirt portion, two be connected to this
The left and right sides of preceding shirt portion and the extension to extend back, two be connected to the rear side of the extension and extend back
Waist portion, each extension are formed with the eyelet of several time interval arrangements, each eyelet is through to this by the outer surface
Inner surface, the reinforcement unit can be selectively arranged at the preceding shirt portion, the extension adjacent to the position of the eyelet and described
The one of position in waist portion.
7. a kind of manufacturing method for manufacturing footwear material as claimed in claim 1, it is characterised in that: comprise the steps of
(A) at least one reinforcement region is oriented on the inner surface of the ontology；
(B) hot melt adhesive layer is sprayed relative to the reinforcement region of the ontology；
(C) strengthening layer is sprayed relative to the reinforcement region of the ontology, the reinforcing fiber of the strengthening layer is made to be existed by spray attachment
On the hot melt adhesive layer in the reinforcement region；And
(D) the hot pressing ontology, the hot melt adhesive layer and the strengthening layer paste the ontology closely with the strengthening layer by the hot melt adhesive layer
It is attached to be integrated.
8. the manufacturing method of footwear material according to claim 7, it is characterised in that: using a photographic device as tool, wherein
After step A is the image for capturing the ontology by the photographic device, according to a judgment rule, the reinforcement region is oriented.
9. the manufacturing method of footwear material according to claim 7, it is characterised in that: using a device for melt blowing as tool, wherein
Step C be by the device for melt blowing first by the strengthening material fusing after, then via several spray orifices by the strengthening material with filiform spray.
10. a kind of manufacturing method for manufacturing footwear material as claimed in claim 4, it is characterised in that: comprise the steps of
(A) at least one reinforcement region is oriented on the inner surface of the ontology；
(B) reinforcing fiber and hot melt adhesive are stirred, a stickiness fortifier is become；
(C) the stickiness fortifier is sprayed relative to the reinforcement region of the ontology, makes the stickiness fortifier by spray attachment in the reinforcement
Region is to form an adhesive reinforced layer；And
(D) the hot pressing ontology and the adhesive reinforced layer attach the ontology closely with the adhesive reinforced layer and are integrated.
11. the manufacturing method of footwear material according to claim 10, it is characterised in that: using a photographic device as tool,
In, after step A is the image for capturing the ontology by the photographic device, according to a judgment rule, orient the reinforcement region.
12. the manufacturing method of footwear material according to claim 10, it is characterised in that: using a device for melt blowing as tool,
In, step C is to be sprayed the stickiness fortifier with filiform via several spray orifices by the device for melt blowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710552044.9A CN109198792A (en) | 2017-07-07 | 2017-07-07 | Footwear material and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710552044.9A CN109198792A (en) | 2017-07-07 | 2017-07-07 | Footwear material and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109198792A true CN109198792A (en) | 2019-01-15 |
Family
ID=64990914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710552044.9A Pending CN109198792A (en) | 2017-07-07 | 2017-07-07 | Footwear material and its manufacturing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109198792A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4346346B2 (en) * | 2003-05-09 | 2009-10-21 | サカイオーベックス株式会社 | Manufacturing method of artificial leather |
| CN102345210A (en) * | 2010-07-30 | 2012-02-08 | 财团法人纺织产业综合研究所 | Equipment and method for preparing stereoscopic non-woven fabric structure |
| KR20140141120A (en) * | 2013-05-31 | 2014-12-10 | 정민식 | Method for making the uppers of shoes |
| CN204247474U (en) * | 2014-10-30 | 2015-04-08 | 上海力桥自动化技术有限公司 | A kind of automation PUR high-speed jet dispenser |
| CN104854269A (en) * | 2013-07-18 | 2015-08-19 | 株式会社益成 | Melt-blown fiber web having improved elasticity and cohesion, and manufacturing method therefor |
| CN105773942A (en) * | 2016-04-12 | 2016-07-20 | 阳江市伟艺抛磨材料有限公司 | Industrial scouring pad manufacturing process and equipment |
| CN205456493U (en) * | 2015-12-22 | 2016-08-17 | 总成实业股份有限公司 | Embossed shoe upper |
| WO2017116210A1 (en) * | 2015-12-30 | 2017-07-06 | (주)영원소재 | Method for producing embroidered upper having excellent shape stability and embroidered upper produced by same method |
-
2017
- 2017-07-07 CN CN201710552044.9A patent/CN109198792A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4346346B2 (en) * | 2003-05-09 | 2009-10-21 | サカイオーベックス株式会社 | Manufacturing method of artificial leather |
| CN102345210A (en) * | 2010-07-30 | 2012-02-08 | 财团法人纺织产业综合研究所 | Equipment and method for preparing stereoscopic non-woven fabric structure |
| KR20140141120A (en) * | 2013-05-31 | 2014-12-10 | 정민식 | Method for making the uppers of shoes |
| CN104854269A (en) * | 2013-07-18 | 2015-08-19 | 株式会社益成 | Melt-blown fiber web having improved elasticity and cohesion, and manufacturing method therefor |
| CN204247474U (en) * | 2014-10-30 | 2015-04-08 | 上海力桥自动化技术有限公司 | A kind of automation PUR high-speed jet dispenser |
| CN205456493U (en) * | 2015-12-22 | 2016-08-17 | 总成实业股份有限公司 | Embossed shoe upper |
| WO2017116210A1 (en) * | 2015-12-30 | 2017-07-06 | (주)영원소재 | Method for producing embroidered upper having excellent shape stability and embroidered upper produced by same method |
| CN105773942A (en) * | 2016-04-12 | 2016-07-20 | 阳江市伟艺抛磨材料有限公司 | Industrial scouring pad manufacturing process and equipment |
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Application publication date: 20190115 |