CN110292225A - A kind of plastic shoes and preparation method thereof - Google Patents
A kind of plastic shoes and preparation method thereof Download PDFInfo
- Publication number
- CN110292225A CN110292225A CN201910664172.1A CN201910664172A CN110292225A CN 110292225 A CN110292225 A CN 110292225A CN 201910664172 A CN201910664172 A CN 201910664172A CN 110292225 A CN110292225 A CN 110292225A
- Authority
- CN
- China
- Prior art keywords
- sole
- vamp
- fixing groove
- adhesive tape
- plastic shoes
- 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
- 239000004033 plastic Substances 0.000 title claims abstract description 41
- 229920003023 plastic Polymers 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims description 7
- 239000002390 adhesive tape Substances 0.000 claims abstract description 43
- 238000007731 hot pressing Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000001746 injection moulding Methods 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000003292 glue Substances 0.000 abstract description 7
- 102000003786 Vesicle-associated membrane protein 2 Human genes 0.000 description 15
- 108090000169 Vesicle-associated membrane protein 2 Proteins 0.000 description 15
- 239000000463 material Substances 0.000 description 6
- 230000000704 physical effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 235000005121 Sorbus torminalis Nutrition 0.000 description 2
- 244000152100 Sorbus torminalis Species 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229920002457 flexible plastic Polymers 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B1/00—Footwear characterised by the material
- A43B1/14—Footwear characterised by the material made of plastics
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/10—Low shoes, e.g. comprising only a front strap; Slippers
- A43B3/107—Low shoes, e.g. comprising only a front strap; Slippers characterised by the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14467—Joining articles or parts of a single article
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention belongs to collar domains, disclose a kind of plastic shoes, including sole, vamp, it further include fixed adhesive tape, the lower surface of the sole is equipped with the first fixing groove, multiple fixation holes for running through the first fixing groove are equipped in first fixing groove, the part of the fixed adhesive tape and the fixation hole that partially passes through of vamp are fixedly connected by the method for hot pressing.The problem of plastic shoes can closely connect by fixed adhesive tape and vamp hot pressing and form integral structure, sole is clamped, and effective solution vamp and sole cannot be reliably connected.Production can be realized without using glue, by injection-moulding device in it, to the health of producers, has contribution outstanding to environment.
Description
Technical field
The present invention relates to collar domain, especially a kind of plastic shoes and preparation method thereof.
Background technique
Applicant Zhuhai Chenghua Shoes Industry Co., Ltd. has declared a patent of invention ZL in 2008
200820043725.9, it discloses a kind of foamed plastic shoes of dichroic double-substantial, including first shoe body of foamed plastic and one
Second shoe body of the foamed plastic integrated injection molding all different from the first shoe body color, physical property, wherein using different physical property
Foamed plastic simultaneously integrated injection molding foamed plastic shoes, aesthetic appearance, durable and simple processing, without spray painting, japanning,
Phenomena such as processes such as fitting or placement bring paint, degumming, meets the demand of current consumer Yu the producer.
Its first shoe body and the second shoe body are obtained by injection molding.
The technical issues of above scheme does not solve is: since the first shoe body is different with the physical property of the second shoe body, especially
It is that present consumer needs sole wear-resisting flexible, it is desirable that vamp is soft, so material is different, in injection moulding process often not
It can be reliably stably connected with by way of hot pressing.
And be reliably connected to realize, in the prior art, generally bonded by glue.
Glue has certain environmental hazard and is easy aging.
Technical problems to be solved in this application are: how the steady of sole and vamp are realized in the case where not using glue
It is fixed, reliable, permanent to be fixedly connected.
Summary of the invention
The object of the present invention is to provide a kind of plastic shoes, which can closely be connected by fixed adhesive tape and vamp hot pressing
Composition integral structure is connect, sole is clamped, the problem of effective solution vamp and sole cannot be reliably connected.It is not necessarily to
Using glue, production can be realized by injection-moulding device, to the health of producers, have contribution outstanding to environment.Meanwhile
The invention also discloses the preparation methods of the plastic shoes.
It is further to improve, since fixed adhesive tape is molded injection in last procedure, so by sole and admittedly
The problem of determining that hard fixing piece is arranged between adhesive tape, capable of preventing fixed adhesive tape from spilling into sole, causing excessive color appearance.
Technical solution provided by the invention are as follows: a kind of plastic shoes, including sole, vamp further include fixed adhesive tape, the shoes
The lower surface at bottom is equipped with the first fixing groove, and multiple fixation holes for running through the first fixing groove are equipped in first fixing groove, described
The part of fixed adhesive tape and the fixation hole that partially passes through of vamp are fixedly connected by the method for hot pressing.
It is equipped in above-mentioned plastic shoes, in first fixing groove matched with groove hard with the first fixed groove shape
Matter fixing piece；The hard fixing piece is equipped with hole corresponding with fixation hole；The fixed adhesive tape is fixed in the groove；
The part of the fixed adhesive tape and vamp partially pass through fixation hole, hole is fixedly connected by the method for hot pressing.
In above-mentioned plastic shoes, the edge of sole lower surface is arranged in first fixing groove.
In above-mentioned plastic shoes, first fixing groove is the endless groove arranged along the edge of the lower surface of sole, edge
The semicircular slot or multiple strip slots of the half sole arrangement of the lower surface of sole.
In above-mentioned plastic shoes, when first fixing groove is strip slot, the lower surface of the half sole of the sole
Two sides are equipped with first fixing groove.
In above-mentioned plastic shoes, the lower surface of the sole is surrounded by multiple first fixing grooves.
In above-mentioned plastic shoes, the upper surface of the sole is equipped with the second fixing groove corresponding with the first fixing groove,
The bottom of the vamp extends in second fixing groove.
In above-mentioned plastic shoes, the fixed adhesive tape is equipped with the first tooth connection, and the lower part of the vamp is equipped with second
Tooth connection, first tooth connection are connected by way of hot pressing with the second tooth connection, first tooth connection and the second connection
The link position of tooth is located in mounting hole.
In above-mentioned plastic shoes, the lower surface of the sole is equipped with anti-skid chequer, and the upper surface of the sole is equipped with
Anti-skidding salient point.
In above-mentioned plastic shoes, the fixed adhesive tape and vamp are fixation adhesive tape and shoes made by soft polymer
Face.
In above-mentioned plastic shoes, the fixed adhesive tape and vamp make to obtain using same material.
Meanwhile the present invention also provides the preparation method of above-mentioned plastic shoes, specifically: pre-production sole, vamp, so
Fixed adhesive tape vamp is subjected to hot pressing connects by way of injection molding afterwards.
The present invention is after adopting the above technical scheme, it has the beneficial effect that
For this programme being fixedly connected with fixed adhesive tape, vamp by way of hot pressing by way of hot pressing, group is integral
Change structure, sole is clamped.
In this way, it can achieve following effect:
1, the material of sole and vamp can choose as completely different polymer material, meets sole and vamp is different
Material requirement.
2, sole and vamp can be stably connected with, and since fixed adhesive tape, vamp are connected by hot pressing mode, connection is steady
It is fixed reliable, and the first fixing groove is extended along the bottom edge of sole, forced area is big, does not have to worry that vamp and sole divide
From.
3, this plastic shoes is bonded without glue, to operator, environment environmental protection.
4, hard fixing piece can prevent the excessive color of fixed adhesive tape.
Detailed description of the invention
Fig. 1 is the perspective view of the embodiment of the present invention 1；
Fig. 2 is the bottom view of the embodiment of the present invention 1；
Fig. 3 is the side view of the embodiment of the present invention 1；
Fig. 4 is the top view of the hard fixing piece of the embodiment of the present invention 1；
Fig. 5 is the side view of the hard fixing piece of the embodiment of the present invention 1；
Fig. 6 is the bottom view of the sole of the embodiment of the present invention 1；
Fig. 7 is the top view of the sole of the embodiment of the present invention 1；
Fig. 8 is the side view of the vamp of the embodiment of the present invention 1；
Fig. 9 is the bottom view of the vamp of the embodiment of the present invention 1；
Figure 10 is the top view of the fixation adhesive tape of the embodiment of the present invention 1；
Figure 11 is the side view of the fixation adhesive tape of the embodiment of the present invention 1；
Figure 12 is the bottom view of the sole of the embodiment of the present invention 2；
Figure 13 is the bottom view of the sole of the embodiment of the present invention 2；
Figure 14 is the bottom view of the sole of the embodiment of the present invention 3；
Figure 15 is the bottom view of the sole of the embodiment of the present invention 3.
Specific embodiment
With reference to embodiment, technical solution of the present invention is described in further detail, but do not constituted pair
Any restrictions of the invention.
Embodiment 1:
With reference to Fig. 1-11, a kind of plastic shoes, including sole 1, vamp 2, it further include fixed adhesive tape 3, the following table of the sole 1
Face is equipped with the first fixing groove 4, and the fixation hole 5 through the first fixing groove 4 is equipped in first fixing groove 4, and described first is fixed
Be equipped in slot 4 with the matched hard fixing piece 6 with groove 7 of 4 shape of the first fixing groove, the hard fixing piece 6 be equipped with
The corresponding hole 8 of fixation hole 5, the fixed adhesive tape 3 are arranged in the groove 7；The fixed adhesive tape 3 and vamp 2 pass through heat
The mode of pressure passes through hole 8 and fixation hole 5 is attached.
It should be noted that hard fixing piece 6 is in the present embodiment, it is not essential however to, even if there is no hard fixing piece,
Sole can also be clamped by fixed adhesive tape 3 and vamp 2.It has the disadvantage that and is easy between fixed adhesive tape 3 and sole 1
It is caught in stone, during injection, fixed adhesive tape 3 can overflow color to the lower surface of sole.
In practical applications, preparation process is as follows:
Step 1: passing through 1 mold sole formed 1 of sole；
Step 2: molding vamp 2 and hard fixing piece 6；
Step 3, hard fixing piece 6 is installed in the first fixing groove 4 of sole 1, vamp 2 and sole 1 is fitted in one
Play the bottom face fixation hole 5 so that sole 1；
Step 4: by injection molding machine, into the hard fixing piece 6 of sole 1, rubber stuff outgoing, sizing material are entered in fixation hole 5 simultaneously
With 2 hot pressing connects of vamp.
In the present embodiment, the selectable material of hard fixing piece 6 has very much, substantial majority of rigid plastics
For this programme, such as Hard PVC, polyphenylene sulfide, phenoplasts, hard polyaminoester plastics, epoxy plastics etc..
In the present embodiment, vamp 2 and the fixed preferred flexible plastic of adhesive tape 3, such as flexibel polyurethane plastics, polyethylene, TPE
Deng any flexible plastic for being suitable for manufacturing soft vamp 2 can be used as the selection of the present embodiment.
In the present embodiment, sole 1 is typically chosen in foamed shoe sole, such as rubber foam soles, polyurethane foam sole, when
Right the present embodiment also can choose other any soles, such as rubber soles.
In use, fixed adhesive tape 3 and vamp 2 form integral structure by way of hot pressing, when walking vamp 2 by
To power can be transmitted to fixed adhesive tape 3, fixed adhesive tape 3 transmits the force to vamp 2.
Under the conditions of existing for the hard fixing piece 6, the power that vamp is subject to can also be passed through fixed adhesive tape by hard fixing piece 6
3 are uniformly transferred to hard fixing piece 6, then are uniformly transferred to sole by hard fixing piece 6, make entire sole uniform force.
Total can be connected without glue, and connective stability is good.
In general, the quantity of the fixation hole 5 in first fixing groove 4 is The more the better, and preferably 2 or more certainly,
More preferably 4 or more.
In the present embodiment, the first fixing groove 4 is the endless groove arranged along the edge of the lower surface of sole 1, using ring-type
The power of slot, vamp 2 can be transmitted to the half sole and heel of sole 1, stability maintenance it is further preferred that.
Preferably, the upper surface of the sole 1 is equipped with second fixing groove 9 corresponding with the first fixing groove 4, the vamp
2 bottom extends in second fixing groove 9, and the fixed adhesive tape 3 is equipped with the first tooth connection 10, under the vamp 2
Portion is equipped with the second tooth connection 11, and first tooth connection 10 is connected by way of hot pressing with the second tooth connection 11, and described first
The link position of tooth connection 10 and the second tooth connection 11 is located in fixation hole 5.
I.e. in process of production, 2 pre-production of vamp obtains, preforming second tooth connection 11 in 2 bottom of vamp, fixed adhesive tape
3 and first tooth connection 10 in step 4 ejection formation obtain.
Preferably, the lower surface of the sole 1 is equipped with anti-skid chequer 12, and the upper surface of the sole 1 is equipped with anti-skidding convex
Point 13.
Embodiment 2
It with reference to Figure 12, is substantially the same with embodiment 1, different places is, in the present embodiment, the first fixing groove 4 is not
It is endless groove again, but is located at the semicircular slot at the edge of the lower surface of the half sole of sole 1.
The shape of corresponding hard fixing piece is also semicircular, and corresponding fixed adhesive tape is also semicircular.
This set is advantageous in that vamp is not necessarily to extend to the position of heel of a shoe, and vamp only covers half sole or is only positioned at
The position of half sole.
In general, this structure is slippers.
But another implementation as the present embodiment, with reference to the first fixing groove of Figure 13 4 not just for positioned at shoes
The semicircular slot at the edge of the lower surface of the half sole at bottom 1, the first fixing groove 4 further include the lower surface of the heel positioned at sole 1
The semicircular slot at edge.Actually this is another deformation of embodiment 1, passes through the vamp for the plastic shoes that this form obtains
2 half sole and the heel of vamp 2 are separation.
Embodiment 3
It is substantially the same with embodiment 1, different places is, in the present embodiment, the first fixing groove 4 is neither ring-type
Slot, nor semicircular slot, the first fixing groove 4 be it is multiple, be distributed in the edge of the lower surface of sole 1.
In the present embodiment, it is divided into two kinds of optional implementations:
With reference to Figure 14, one is for slippers or women's shoes, in this case, in the two sides of the bottom surface of the half sole of sole 1
One or two first fixing groove 4, such as slippers especially Ms's slippers are respectively set, vamp 2 just only has several tether panels, institute
First fixing groove 4 is respectively set with the bottom surface both side in the half sole of sole 1, if it is man's slippers, then suggests
Two the first fixing grooves 4 are respectively set in the two sides of the bottom surface of the half sole of sole 1.
With reference to Figure 15, another is that common vamp, and the half sole and heel of sole 1 will be connected, such case
Under, the first fixing groove 4 should be multiple edge arrangements along the bottom surface of sole 1.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of plastic shoes, including sole (1), vamp (2), which is characterized in that it further include fixed adhesive tape (3), the sole (1)
Lower surface be equipped with the first fixing groove (4), multiple fixations for running through the first fixing groove (4) are equipped in first fixing groove (4)
Hole (5), the part of the fixed adhesive tape (3) and the fixation hole (5) that partially passes through of vamp (2) are fixed by the method for hot pressing
Connection.
2. plastic shoes according to claim 1, which is characterized in that be equipped in first fixing groove (4) and fixed with first
The hard fixing piece (6) of the matched band groove (7) of slot (4) shape；The hard fixing piece (6) is equipped with right with fixation hole (5)
The hole (8) answered；The fixed adhesive tape (3) is fixed in the groove (7)；The part of the fixed adhesive tape (3) and vamp (2)
Partially pass through fixation hole (5), hole (8) is fixedly connected by the method for hot pressing.
3. plastic shoes according to claim 1, which is characterized in that first fixing groove (4) is arranged in sole (1) following table
The edge in face.
4. plastic shoes according to claim 1, which is characterized in that first fixing groove (4) is the following table along sole (1)
The semicircular slot or multiple strip slots that endless groove, the half sole along the lower surface of sole (1) of the edge arrangement in face are arranged.
5. plastic shoes according to claim 4, which is characterized in that described when first fixing groove (4) is strip slot
The two sides of the lower surface of the half sole of sole (1) are equipped with first fixing groove (4).
6. plastic shoes according to claim 5, which is characterized in that being surrounded by for the lower surface of the sole (1) is multiple
First fixing groove (4).
7. -6 any plastic shoes according to claim 1, which is characterized in that the upper surface of the sole (1) is equipped with and the
Corresponding second fixing groove (9) of one fixing groove (4), the bottom of the vamp (2) extend in second fixing groove (9).
8. plastic shoes according to claim 7, which is characterized in that the fixed adhesive tape (3) is equipped with the first tooth connection
(10), the lower part of the vamp (2) is equipped with the second tooth connection (11), and first tooth connection (10) and the second tooth connection (11) are logical
The mode for crossing hot pressing connects, and the link position of first tooth connection (10) and the second tooth connection (11) is located in fixation hole (5).
9. -6 any plastic shoes according to claim 1, which is characterized in that the lower surface of the sole (1) is equipped with anti-
The upper surface of sliding line (12), the sole (1) is equipped with anti-skidding salient point (13), and the fixed adhesive tape (3) and vamp (2) are soft
Fixation adhesive tape (3) and vamp (2) made by polymer.
10. a kind of preparation method of the plastic shoes as described in claim 1-9 is any, which is characterized in that the method specifically:
Then fixed adhesive tape vamp is carried out hot pressing connects by way of injection molding by pre-production sole, vamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910664172.1A CN110292225A (en) | 2019-07-23 | 2019-07-23 | A kind of plastic shoes and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910664172.1A CN110292225A (en) | 2019-07-23 | 2019-07-23 | A kind of plastic shoes and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110292225A true CN110292225A (en) | 2019-10-01 |
Family
ID=68031602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910664172.1A Pending CN110292225A (en) | 2019-07-23 | 2019-07-23 | A kind of plastic shoes and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110292225A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI731762B (en) * | 2020-07-29 | 2021-06-21 | 卓巧婷 | Lightweight shoe manufacturing process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459935Y (en) * | 2001-02-16 | 2001-11-21 | 吴建钰 | Reinforcing structure for combining of shoe lining bottom and sole |
| CN204378046U (en) * | 2015-01-28 | 2015-06-10 | 泉州三川机械有限公司 | A kind of novel slippers |
| CN204930526U (en) * | 2015-08-11 | 2016-01-06 | 吴川市宏通塑料鞋业有限公司 | Plastic cement composite slipper |
| US20160242506A1 (en) * | 2013-09-27 | 2016-08-25 | Nam Guk KIM | Gluing-free shoe and method for manufacturing same |
| CN109700117A (en) * | 2018-12-07 | 2019-05-03 | 东莞达音创研实业有限公司 | A kind of manufacturing method and its mold, vamp and sole of shoes |
| CN210169169U (en) * | 2019-07-23 | 2020-03-24 | 清远三杰塑胶科技有限公司 | Plastic shoes |
-
2019
- 2019-07-23 CN CN201910664172.1A patent/CN110292225A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459935Y (en) * | 2001-02-16 | 2001-11-21 | 吴建钰 | Reinforcing structure for combining of shoe lining bottom and sole |
| US20160242506A1 (en) * | 2013-09-27 | 2016-08-25 | Nam Guk KIM | Gluing-free shoe and method for manufacturing same |
| CN204378046U (en) * | 2015-01-28 | 2015-06-10 | 泉州三川机械有限公司 | A kind of novel slippers |
| CN204930526U (en) * | 2015-08-11 | 2016-01-06 | 吴川市宏通塑料鞋业有限公司 | Plastic cement composite slipper |
| CN109700117A (en) * | 2018-12-07 | 2019-05-03 | 东莞达音创研实业有限公司 | A kind of manufacturing method and its mold, vamp and sole of shoes |
| CN210169169U (en) * | 2019-07-23 | 2020-03-24 | 清远三杰塑胶科技有限公司 | Plastic shoes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI731762B (en) * | 2020-07-29 | 2021-06-21 | 卓巧婷 | Lightweight shoe manufacturing process |
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