CN103815615A - Production method of shoe materials, middle sole plate manufactured in the method, and manufacturing device - Google Patents
Production method of shoe materials, middle sole plate manufactured in the method, and manufacturing device Download PDFInfo
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- CN103815615A CN103815615A CN201410070983.6A CN201410070983A CN103815615A CN 103815615 A CN103815615 A CN 103815615A CN 201410070983 A CN201410070983 A CN 201410070983A CN 103815615 A CN103815615 A CN 103815615A
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Abstract
The invention provides a production method of shoe materials, a middle sole plate manufactured in the method, and a manufacturing device. The production method comprises the following steps in sequence: forming films, baking, rolling and printing, atomizing, trimming edges and collecting, wherein raw materials in the film forming step comprise the following components by weight content: 15%-20% of leather materials, 10%-15% of wood fiber, 10%-15% of cotton fiber, 5%-10% of linen fiber, 3%-5% of amylum, 1%-2% of rosin, 0.5%-0.8% of aluminum sulfate, and the balance of water; after the films are formed, film strips pass through a baking device to be baked; the baked film strips pass through a rolling and printing device so that ink is printed on the film strips to form patterns; after rolling and printing, a shoe material surface of which the film strips are provided with ink is atomized, and the atomized film strips are cut into shoe material plate blocks and collected. The production method of the show materials is simple in technology, high in automation degree, good in toughness of manufactured shoe materials, and good the stability of the ink on the surface of the show materials.
Description
Technical field
The present invention relates to footwear material manufacture technology field, relate in particular to middle base plate and manufacturing installation that production method, the method for footwear material make.
Background technology
Footwear material is if middle base plate is in manufacturing process, and traditional method generally includes film forming, wetly cuts, colds pressing, hot pressing, roll-in and the step such as cut.Raw material are formed film band by film forming, and film band has certain humidity; Film band continuous wet entirety is cut into some footwear material plates by wet being cut to, be cut into after some plates, by colding pressing, step is extruded wet plate, so that the moisture in wet plate piece is extruded, strengthen conjugation and intensity simultaneously, after colding pressing, need plate to insert and in hot-press equipment, carry out hot pressing, moisture is further removed and to be strengthened the combination reaction of stock yard, after hot pressing, again plate is inserted and in rolling equipment, carry out roll marks and press polish, making surface stamp pattern by roll marks strengthens surface gloss simultaneously, finally cuts.The method flow process is loaded down with trivial details, and the equipment needing is many, and cost is high, and the amount of labour is large.In addition, the footwear material raw material that film forming adopts at present more often adopts wood pulp, fibre pulp and cotton fine composition, and the middle base plate toughness making is poor, easily fracture.In addition, the uniformity of ink after roll marks, adhesiveness are poor.
Summary of the invention
In view of the above, the present invention is necessary to provide the one can simple flow, enhances productivity and the production method of the footwear material that the adhesiveness of the toughness of footwear material, ink is all improved.
A production method for footwear material, in turn includes the following steps:
Film forming: film forming step Raw is made up of the component of following weight content: cladding: 15%-20%; Wood fibre: 10%-15%; Cotton fibre: 10%-15%; Bast fibre: 5%-10%; Starch: 3%-5%; Rosin: 1%-2%; Aluminum sulfate: 0.5%-0.8%; Surplus is water; When making, first, respectively by Hybrid Heating after cladding, the molten slurry of wood fibre, then starch is boiled to stick with paste and insert, then bast fibre, cotton fibre are pulverized respectively to slurrying and inserted mixing, finally will after rosin fusing, insert and insert simultaneously reacting aluminum sulfate; After reaction, material is leaked and make film band;
Baking: film band is toasted through apparatus for baking;
Roll marks: the film band after baking with printing-ink on film band, forms pattern through roll marks device;
Atomization: will there is the footwear material surface atomizing of ink after film band roll marks;
Cutting edge: the film band after atomization is cut into footwear material plate.
In addition, be necessary the middle base plate that provides a kind of aforementioned production method to make.
Be necessary to provide a kind of for above-mentioned footwear material production method and the high manufacturing installation of automaticity.
For a manufacturing installation for footwear material production method, comprise atomising device and film band automatic shearing and gathering-device after roll-in,
Wherein, atomising device comprises bracing frame, sparge pipe, collector pipe and water tank, described sparge pipe is arranged on bracing frame, on sparge pipe, offer some spray holes of arranging, in order to the footwear material spraying to after roll-in, sparge pipe below is hung with described collector pipe to collect the water droplet dropping from sparge pipe, and one end of collector pipe is higher than the other end so that by the water liquid derivation of collecting, described water tank can be moved and be arranged on one end that collector pipe is low, connects to hold the water liquid dropping from collector pipe;
Film band automatic shearing and gathering-device, comprise frame and rack-mounted connecting gear, cutting mechanism, connecting gear comprises conveyer belt, in order to transmit film band, cutting mechanism comprises shear roller, shear roller is arranged on conveyer belt top, so that the film band on conveyer belt is sheared and is formed plate, in the making of footwear material, film band automatic shearing and gathering-device also comprise sweep mechanism, haulage gear, clamping device and label partition, sweep mechanism comprises inductive head, be arranged on conveyer belt top in order to the plate counting to flowing through after shearing, haulage gear is transmitted in the plate of conveyer belt end to rewinding place of frame in order to traction after shearing, clamping device comprises relative grip block, be arranged on rewinding place both sides, in order to the folded plate clamping that drops on rewinding place is arranged to alignment, label partition is arranged on a side of rewinding place, in order to inserting label after stacked predetermined quantity plate to separate.
Compared to prior art, the production method of footwear material of the present invention only comprises the processing step of film forming, baking, roll marks, atomization and cutting edge, production technology is simple, without usedly in conventional procedures wet cutting, cold pressing, the equipment such as hot pressing, greatly reduce production cost, improve production efficiency, simultaneously, in the raw material of making footwear material, cladding, bast fibre are inserted, can strengthen toughness and the intensity of footwear material, and on the make can strengthen the absorbability of ink by atomization, improve the uniformity, the adhesiveness of ink, strengthen the smoothness of film belt surface simultaneously.By adopting described atomising device, film band automatic shearing and gathering-device, make automaticity high, greatly improve production efficiency, reduce labour intensity.
Accompanying drawing explanation
Fig. 1 is the flow chart that the invention provides the production method of footwear material;
Fig. 2 is the structural representation of the atomising device after roll-in during footwear material of the present invention is made;
Fig. 3 is the structural representation of film band automatic shearing and gathering-device during footwear material of the present invention is made.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually, describes below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Refer to Fig. 1, the production method of footwear material of the present invention, comprises film forming, baking, roll marks, atomization, cutting edge the step of collecting successively, wherein,
Step 1, film forming: film forming step Raw is made up of the component of following weight content: cladding: 15%-20%; Wood fibre: 10%-15%; Cotton fibre: 10%-15%; Bast fibre: 5%-10%; Starch: 3%-5%; Rosin: 1%-2%; Aluminum sulfate: 0.5%-0.8%; Surplus is water; When making, heating after cladding, the molten slurry of wood fibre is mixed; Starch is boiled to paste; Bast fibre, cotton fibre are pulverized respectively to slurrying; The mixing of materials of above-mentioned acquisition is inserted to pond with slurry, will after rosin fusing, insert pond with slurry and insert aluminum sulfate; Material reaction in aluminum sulfate and pond with slurry, leaks reacted material to make film band through material net;
Instantiation 1, raw material is made up of the component of following weight content, cladding: 20%; Wood fibre: 10%; Cotton fibre: 15%; Bast fibre: 10%; Starch: 3%; Rosin: 1%; Aluminum sulfate: 0.5%; Surplus is water;
Instantiation 2, raw material is made up of the component of following weight content, cladding: 15%; Wood fibre: 15%; Cotton fibre: 10%; Bast fibre: 5%; Starch: 5%; Rosin: 2%; Aluminum sulfate: 0.8%; Surplus is water;
Instantiation 3, raw material is made up of the component of following weight content, cladding: 15%; Wood fibre: 10%; Cotton fibre: 10%; Bast fibre: 5%; Starch: 3%; Rosin: 1%; Aluminum sulfate: 0.5%; Surplus is water;
Instantiation 4, raw material is made up of the component of following weight content, cladding: 20%; Wood fibre: 15%; Cotton fibre: 15%; Bast fibre: 10%; Starch: 5%; Rosin: 2%; Aluminum sulfate: 0.8%; Surplus is water;
Instantiation 5, raw material is made up of the component of following weight content, cladding: 17%; Wood fibre: 13%; Cotton fibre: 12%; Bast fibre: 8%; Starch: 4%; Rosin: 1.5%; Aluminum sulfate: 0.6%; Surplus is water;
Comparative examples: raw material is made up of the component of following weight content, wood fibre: 10%; Cotton fibre: 12%; Starch: 4%; Rosin: 1%; Aluminum sulfate: 0.5%; Surplus is water;
The film band that two kinds of raw materials are made is as follows in the physical property contrast of making middle base plate:
As can be seen from the above table, by adding cladding, bast fibre, toughness and the interlaminar strength of footwear material are all greatly improved.
Step 2, baking: film band is toasted through apparatus for baking.
Step 3, roll marks: the film band after baking through roll marks device with by the press polish of film band and on film band printing-ink, form pattern.
Step 4, atomization: will there is the surface atomizing of ink after film band roll marks; This process, using water as brightener, can not destroyed film belt surface structure, makes moisture distribution even, can improve the absorbability that can strengthen ink, improves the uniformity, the adhesiveness of ink.
In the present invention, atomising device refers to Fig. 2, and atomising device comprises bracing frame 100, sparge pipe 200, collector pipe 300 and water tank 400.
Described collector pipe 300 cross sections take the shape of the letter U, and have water leg 301.The below that collector pipe 300 is arranged on sparge pipe 200 to be to collect the water droplet dropping from sparge pipe 200, and one end of collector pipe 300 higher than the other end so that the water liquid being collected in water leg 301 flow to low one end from high one end, and flow out from low one end.In the present embodiment, collector pipe 300 be suspended on sparge pipe 200 by lifting rope 32 and be positioned at sparge pipe 200 under, preferably, collector pipe 300 selects thick bamboo tube to make, and the concrete grammar of making can be rived thick bamboo tube into two and the ring dividing plate of half thick bamboo tube inside is wherein removed and formed semi arch thick bamboo tube.Described water tank 400 can be moved and be arranged on one end that collector pipe 300 is lower, connects to hold the water liquid dropping from collector pipe 300.
When film band after using described atomising device to roll marks carries out atomization, atomising device is arranged on to the below of film band (figure is mark not), spray holes 201 is towards the bottom surface of film band (being printed on the one side of ink), film band is the output of film band after press-roller device 500 pressure rollers, open atomising device, open water valve 202, so water liquid flows in sparge pipe 200 and be vaporific ejection from spray holes 201 under the effect of hydraulic pressure, so, film band is carried out to atomization, thereby strengthen film band bottom surface humidity, heat that can balanced roll-in caudacoria band, strengthen the absorption of film band to ink, firm ink.
In addition, described two support bars 102 can connect into integratedly one with described sparge pipe 200 and be " several " shape water pipe, thereby water valve 202 can be arranged on the support bar 102 of water one end.
In addition, in order to prevent that water smoke from filling the air, atomising device further comprises two baffle plates, and bracing frame 100 is arranged between two baffle plates, can prevent that water smoke from filling the air by stopping of two baffle plates, water smoke is assembled and fallen apart to the bottom surface of film band, has strengthened the atomization to film band.
Step 5, cutting edge is also collected: the film band after atomization is cut into footwear material plate and collects.
In the present invention, film band automatic shearing and gathering-device as shown in Figure 3, comprise frame 10 and are arranged on connecting gear 20, cutting mechanism 30, sweep mechanism 40, haulage gear 50, the clamping device 60 and label partition 70 in frame 10.
Connecting gear 20 comprises conveyer belt 21, and conveyer belt 21 is arranged in delivery chute leading portion 121, with the footwear material plate transmission by film band or after shearing.
Clamping device 60 will be in order to will be layered in the plate clamping of rewinding place 13, and edge of plate aligns, smooth.Clamping device 60 comprises guide rod 61, grip block 62 and actuator (not shown), top and two ends that guide rod 61 is arranged on rewinding place 13 are that two supporting walls 11 support, grip block 62 is two, be slidably disposed on respectively the two ends of guide rod 61, and drive and can slide along guide rod 61 by actuator respectively, in the time of relative sliding, realize the clamping to rewinding place plate.
In addition, in the making of footwear material, film band automatic shearing and gathering-device also comprise control centre's (not shown), control centre is electrically connected described connecting gear 20, cutting mechanism 30, sweep mechanism 40, haulage gear 50, clamping device 60 and label partition 70, in the time that startup label partition 70 moves, by sweep mechanism 40 to the footwear material scan plate of flowing through after shearing after, and by data feedback to control centre, control centre starts label partition 70 according to the quantity of stacked plate, label is inserted in 70 actions of label partition, thereby can exactly plate stacked entirety be separated into some substratum heaps.Control centre also sends the open and close of instruction control connecting gear 20, cutting mechanism 30, haulage gear 50 or clamping device 60 as required.
When in the making of footwear material, film band automatic shearing and gathering-device are sheared with collection to a film band 80, film band 80 transmits by conveyer belt 21 in delivery chute 12, film band 80 flows out the plate 81 that cuts into preset shape after cutting mechanism 30, plate 81 in the transmission of conveyer belt 21 downstream to delivery chute leading portion 121 ends, and one end of plate 81 stretches to haulage gear 50, for the traction drive roll 51 of haulage gear 50 clamps and draws mobile with some driven pulleys 52, plate 81 is through sweep mechanism 40, sweep mechanism 40 image data are sent to control centre simultaneously, plate 81 drops also stacked in rewinding place 13, after the quantity of default plate 81 of flowing through, control centre sends instruction and starts label partition 70, label is inserted in 70 actions of label partition, so, plate 81 is ceaselessly stacked, plate stacked entirety is separated into some substratum heaps by label partition 70.And in this process, control centre sends instruction clamping device 60 is moved, to stacked plate, 81 clampings arrange, and reach after preset thickness at stacked plate 81, and staff can move rewinding place 13 by plate stacked entirety 81.
Be appreciated that in the bottom of rewinding place 13 conveyer belt can be set, after the plate of stacked predetermined thickness, by starting conveyer belt, by overall plate output.
In addition, transmit smoothly with the plate of one section of junction of plane for the ease of one section of the gradient that is sent to delivery chute leading portion 121 after shearing, a help roll 90 is set in this junction, coordinate driving-belt 21 by help roll 90, can prevent plate accumulation.
The footwear material making is cut, obtain base plate in footwear material.
To sum up, the production method of footwear material of the present invention only comprises the processing step of film forming, baking, roll marks, atomization and cutting edge, production technology is simple, without usedly in conventional procedures wet cutting, cold pressing, the equipment such as hot pressing, greatly reduce production cost, improve production efficiency, simultaneously, in the raw material of making footwear material, cladding, bast fibre are inserted, can strengthen toughness and the intensity of footwear material, and on the make can strengthen the absorbability of ink by atomization, improve the uniformity, the adhesiveness of ink, strengthen the smoothness of film belt surface simultaneously.Described atomising device is simple in structure, film band automatic shearing and gathering-device are by arranging sweep mechanism, haulage gear, clamping device and label partition and control centre, in the time starting the action of label partition, sweep mechanism is to the plate counting of flowing through after shearing, and by data feedback to control centre, control centre starts label partition according to the quantity of stacked plate, label is inserted in the action of label partition, thereby can exactly plate stacked entirety be separated into some substratum heaps, automaticity is high, greatly improve production efficiency, reduce labour intensity.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a production method for footwear material, is characterized in that: in turn include the following steps:
Film forming: film forming step Raw is made up of the component of following weight content: cladding: 15%-20%; Wood fibre: 10%-15%; Cotton fibre: 10%-15%; Bast fibre: 5%-10%; Starch: 3%-5%; Rosin: 1%-2%; Aluminum sulfate: 0.5%-0.8%; Surplus is water; When making, first, respectively by Hybrid Heating after cladding, the molten slurry of wood fibre, then starch is boiled to stick with paste and insert, then bast fibre, cotton fibre are pulverized respectively to slurrying and inserted mixing, finally will after rosin fusing, insert and insert simultaneously reacting aluminum sulfate; After reaction, material is leaked and make film band;
Baking: film band is toasted through apparatus for baking;
Roll marks: the film band after baking with printing-ink on film band, forms pattern through roll marks device;
Atomization: will there is the footwear material surface atomizing of ink after film band roll marks;
Cutting edge is also collected: the film band after atomization is cut into footwear material plate and collects.
2. a base plate in, is characterized in that: the production method by footwear material claimed in claim 1 is made.
3. the manufacturing installation for footwear material production method claimed in claim 1, comprise film formation device, apparatus for baking and roll marks device, it is characterized in that: also comprise atomising device and film band automatic shearing and gathering-device, wherein, atomising device comprises bracing frame (100), sparge pipe (200), collector pipe (300) and water tank (400), described sparge pipe (200) is arranged on bracing frame (100), on sparge pipe (200), offer some spray holes (201) of arranging, in order to the film band spraying to after roll-in, sparge pipe (200) below is hung with described collector pipe (300) to collect the water droplet dropping from sparge pipe (200), and one end of collector pipe (300) is higher than the other end so that by the water liquid derivation of collecting, described water tank (400) can be moved and be arranged on the low one end of collector pipe (300), connect to hold the water liquid dropping from collector pipe (300),
Film band automatic shearing and gathering-device comprise frame (10) and are arranged on the connecting gear (20) in frame (10), cutting mechanism (30), sweep mechanism (40), haulage gear (50), clamping device (60) and label partition (70), connecting gear (20) comprises conveyer belt (21), in order to transmit strip, cutting mechanism (30) comprises shear roller (31), shear roller (31) is arranged on conveyer belt (21) top, so that the strip on conveyer belt (21) is sheared and is formed plate, sweep mechanism (40) comprises inductive head (41), it is arranged on conveyer belt (41) top in order to the scan plate of flowing through after shearing, haulage gear (50) is transmitted in the plate of conveyer belt (21) end to rewinding place (13) of frame (10) in order to traction after shearing, clamping device (60) comprises relative grip block (62), be arranged on rewinding place (13) both sides, the plate clamping that drops on rewinding place (13) in order to folding arranges alignment, label partition (70) is arranged on a side of rewinding place (13), in order to inserting label after stacked predetermined quantity plate to separate.
4. the manufacturing installation in footwear material production method according to claim 3, is characterized in that: described collector pipe (300) by some lifting ropes (302) be suspended on sparge pipe (200) upper and be positioned at sparge pipe (200) under.
5. the manufacturing installation in footwear material production method according to claim 3, is characterized in that: described atomising device comprises two baffle plates, and support frame as described above (10) is arranged between two baffle plates.
6. the manufacturing installation in footwear material production method according to claim 3, it is characterized in that: described frame (10) comprises two supporting walls (11) that be arranged in parallel, be formed on delivery chute (12) and described rewinding place (13) that is connected to delivery chute (12) end between two supporting walls (11), rewinding place (13) bottom surface is low compared with delivery chute (12) basal surface position.
7. the manufacturing installation in footwear material production method according to claim 6, it is characterized in that: described delivery chute (12) comprises delivery chute leading portion (121) and delivery chute back segment (122), delivery chute leading portion (121) is into the two-stage structure that obtuse angle connects, wherein one section is formed on horizontal plane, another section is the gradient and extends, described delivery chute back segment (122) is formed on horizontal plane, is connected with a section of the horizontal plane of delivery chute leading portion (121).
8. the manufacturing installation in footwear material production method according to claim 7, is characterized in that: described conveyer belt (21) is arranged in delivery chute leading portion (121).
9. the manufacturing installation in footwear material production method according to claim 7, is characterized in that: described delivery chute back segment (122) top is provided with a crossbeam (42), and described inductive head (41) is arranged on described crossbeam (42).
10. the manufacturing installation in footwear material production method according to claim 7, it is characterized in that: described haulage gear (50) comprises traction drive roll (51) and some driven pulleys (52), traction drive roll (51) two ends be arranged on relative supporting walls (11) upper and wherein one end be connected with driving arrangement, driven pulley (52) is arranged on the top of traction drive roll (51) and coordinates traction drive roll (51), drives driven pulley (52) to rotate under the rotation of traction drive roll (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410070983.6A CN103815615B (en) | 2014-02-28 | 2014-02-28 | The middle base plate that the production method of footwear material, the method are obtained and manufacturing installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410070983.6A CN103815615B (en) | 2014-02-28 | 2014-02-28 | The middle base plate that the production method of footwear material, the method are obtained and manufacturing installation |
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| CN103815615A true CN103815615A (en) | 2014-05-28 |
| CN103815615B CN103815615B (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410070983.6A Expired - Fee Related CN103815615B (en) | 2014-02-28 | 2014-02-28 | The middle base plate that the production method of footwear material, the method are obtained and manufacturing installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108523313A (en) * | 2018-06-04 | 2018-09-14 | 佛山科学技术学院 | A kind of heel of high-heel shoe automatically grinding device |
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| KR940004155B1 (en) * | 1991-06-19 | 1994-05-16 | 송철수 | Molding method of socks |
| KR20000014001A (en) * | 1998-08-07 | 2000-03-06 | 장양리 | Manufacturing method of shoe cushion having sterilizing and deodorizing function |
| JP3234826B2 (en) * | 1999-11-08 | 2001-12-04 | 正賢 紀 | Manufacturing method of foam shoes |
| CN1517484A (en) * | 2003-01-13 | 2004-08-04 | 徐银松 | Synthetic leather prepared from non-woven fabric and slurry and its production method |
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| CN201660767U (en) * | 2010-02-25 | 2010-12-01 | 福建鑫华股份有限公司 | Non-woven fiber plate production line |
| CN102529120A (en) * | 2012-01-12 | 2012-07-04 | 周文寿 | Method for manufacturing hub |
| CN203440693U (en) * | 2013-08-16 | 2014-02-19 | 安徽安利合成革股份有限公司 | Simple water-washing and rolling-drying equipment for wet-method polyurethane synthetic leather |
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2014
- 2014-02-28 CN CN201410070983.6A patent/CN103815615B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR940004155B1 (en) * | 1991-06-19 | 1994-05-16 | 송철수 | Molding method of socks |
| KR20000014001A (en) * | 1998-08-07 | 2000-03-06 | 장양리 | Manufacturing method of shoe cushion having sterilizing and deodorizing function |
| JP3234826B2 (en) * | 1999-11-08 | 2001-12-04 | 正賢 紀 | Manufacturing method of foam shoes |
| CN1517484A (en) * | 2003-01-13 | 2004-08-04 | 徐银松 | Synthetic leather prepared from non-woven fabric and slurry and its production method |
| CN1872531A (en) * | 2006-01-27 | 2006-12-06 | 珠海经济特区珠瑞橡胶化学工业有限公司 | Rubber foaming shoe bottom, rubber foaming plates and pieces, and fabricating method of molding with cloth being added |
| CN201660767U (en) * | 2010-02-25 | 2010-12-01 | 福建鑫华股份有限公司 | Non-woven fiber plate production line |
| CN102529120A (en) * | 2012-01-12 | 2012-07-04 | 周文寿 | Method for manufacturing hub |
| CN203440693U (en) * | 2013-08-16 | 2014-02-19 | 安徽安利合成革股份有限公司 | Simple water-washing and rolling-drying equipment for wet-method polyurethane synthetic leather |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108523313A (en) * | 2018-06-04 | 2018-09-14 | 佛山科学技术学院 | A kind of heel of high-heel shoe automatically grinding device |
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|---|---|
| CN103815615B (en) | 2015-09-09 |
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