CN102871296A - Sewing and injection type upper and sole molding technique - Google Patents
Sewing and injection type upper and sole molding technique Download PDFInfo
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- CN102871296A CN102871296A CN2012104250628A CN201210425062A CN102871296A CN 102871296 A CN102871296 A CN 102871296A CN 2012104250628 A CN2012104250628 A CN 2012104250628A CN 201210425062 A CN201210425062 A CN 201210425062A CN 102871296 A CN102871296 A CN 102871296A
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- shoe
- adhesive
- sole
- sewing
- footwear
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- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The invention discloses a sewing and injection type upper and sole molding technique. According to the technique, firstly, an upper and a middle sole are bonded by adhesive and then sewed by sewing threads; secondly, an upper rubber strip is bonded at a sole connection part, the rubber strip and the upper are sewed by sewing threads, then the rubber strip and the middle sole are sewed by sewing threads, and finally, mould pressing and injection molding are carried out. Because the upper and the middle sole are bonded and a sewing procedure is added, the sole is connected with the rubber strip through the sewing threads and the adhesive, and then injection molding or mold pressing is carried out, the upper and the rubber of the outer sole are mixedly molded, the sewing threads play a role in reinforcing like ''reinforced ribs'', and the bonding strength of the upper is largely increased. The bonding strengths of a product using a regular injection molding technique are as follows: left foot is 3.708N/cm and right foot is 2.194N/cm, but the bonding strengths of the product after being used the technique provided by the invention are as follows: left foot is 4.451N/cm and right foot is 8.399N/cm, which are 4.0N/cm higher than the standard values.
Description
Technical field
The invention belongs to shoe-making process, the linear slit that relates in particular to a kind of injection-type footwear injects moulding process.
Background technology
Traditional injection leather shoes technique is put into rubber in the moulding press die cavity after being upper of a shoe fluffing, brush coating, by series of process conditions such as temperature, pressure, makes the vulcanization of rubber, moulding, and vamp is bonded in Jiao Dishang.This technique is widely used in military products, foreign trade, the civilian goods, is one of large technique of four in traditional shoe-making process.Bonding main dependence adhesive at the bottom of this technique upper and the glue bonding has certain limitation.Along with improving constantly of living standards of the people, the variation of material is tending towards variation, because the defective of material itself, bonding often have certain difficulty.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency provides a kind of linear slit to inject moulding process at the bottom of the type upper of a shoe, this technique will be on the original basis, suture is sewed at the end in upper of a shoe and the footwear again, adhesive tape is connected by suture, adhesive with helping pin, again by injection or compression molding, reach the mixed-forming of upper of a shoe and outer bottom sizing, suture wherein plays the effect that " reinforcing bar " reinforced, and can greatly improve the side bonding strength at the end.
Purpose of the present invention is achieved through the following technical solutions:
A kind of linear slit injects moulding process at the bottom of the type upper of a shoe, at first that the end in upper of a shoe and the footwear, is bonding by adhesive, with suture the end in upper of a shoe and the footwear, sewed up again, again at the sticking side in junction, the end of side primer bar, again adhesive tape and upper of a shoe are passed through suturing with thread management, mold pressing injection moulding is carried out at last by suturing with thread management in the end in adhesive tape and the footwear.
Above-mentioned linear slit injects moulding process at the bottom of the type upper of a shoe, and the end is sewed up by 1-3 road suture in upper of a shoe and the footwear.
Above-mentioned linear slit injects moulding process at the bottom of the type upper of a shoe, and used adhesive is the vulcanization type adhesive, and used suture is the impregnation cotton thread.
Adopt technique scheme, the present invention has following advantage: sew up operation by adding one after the end in upper of a shoe and the footwear is bonding again, to help pin to connect by suture, adhesive with adhesive tape again, again by injection or compression molding, reach the mixed-forming of upper of a shoe and outer bottom sizing, suture wherein plays the effect that " reinforcing bar " reinforced, and can greatly improve the side bonding strength at the end.Normal its bonding strength of product of annotating compression technology is: left foot 3.708 N/cm, and right crus of diaphragm 2.194 N/cm, and take the product of this kind technique, bonding strength is: left foot 4.451 N/cm, right crus of diaphragm 8.399 N/cm are higher than standard value 4.0 N/cm.
The specific embodiment
Embodiment 1: a kind of linear slit injects moulding process at the bottom of the type upper of a shoe, at first that the end in upper of a shoe and the footwear, is bonding by adhesive, with suture upper of a shoe is sewed up suture with the end in the footwear again, again at the sticking side in junction, the end of side primer bar, again adhesive tape and upper of a shoe are passed through suturing with thread management, mold pressing injection moulding is carried out at last by suturing with thread management in the end in adhesive tape and the footwear, adhesive is the vulcanization type adhesive, and used suture is the impregnation cotton thread.
Embodiment 2: a kind of linear slit injects moulding process at the bottom of the type upper of a shoe, at first that the end in upper of a shoe and the footwear, is bonding by adhesive, with suture the twice suture is sewed up at the end in upper of a shoe and the footwear again, again at the sticking side in junction, the end of side primer bar, again adhesive tape and upper of a shoe are passed through suturing with thread management, mold pressing injection moulding is carried out at last by suturing with thread management in the end in adhesive tape and the footwear, adhesive is the vulcanization type adhesive, and used suture is the impregnation cotton thread.
Embodiment 3: a kind of linear slit injects moulding process at the bottom of the type upper of a shoe, at first that the end in upper of a shoe and the footwear, is bonding by adhesive, with suture three road sutures are sewed up at the end in upper of a shoe and the footwear again, again at the sticking side in junction, the end of side primer bar, again adhesive tape and upper of a shoe are passed through suturing with thread management, mold pressing injection moulding is carried out at last by suturing with thread management in the end in adhesive tape and the footwear, adhesive is the vulcanization type adhesive, and used suture is the impregnation cotton thread.
Claims (3)
1. a linear slit injects moulding process at the bottom of the type upper of a shoe, it is characterized in that: at first that the end in upper of a shoe and the footwear is bonding by adhesive, with suture the end in upper of a shoe and the footwear, sewed up again, again at the sticking side in junction, the end of side primer bar, again adhesive tape and upper of a shoe are passed through suturing with thread management, mold pressing injection moulding is carried out at last by suturing with thread management in the end in adhesive tape and the footwear.
2. linear slit according to claim 1 injects moulding process at the bottom of the type upper of a shoe, it is characterized in that: the end, sewed up by 1-3 road suture in upper of a shoe and the footwear.
3. linear slit according to claim 1 and 2 injects moulding process at the bottom of the type upper of a shoe, and it is characterized in that: used adhesive is the vulcanization type adhesive, and used suture is the impregnation cotton thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104250628A CN102871296A (en) | 2012-10-31 | 2012-10-31 | Sewing and injection type upper and sole molding technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104250628A CN102871296A (en) | 2012-10-31 | 2012-10-31 | Sewing and injection type upper and sole molding technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102871296A true CN102871296A (en) | 2013-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104250628A Pending CN102871296A (en) | 2012-10-31 | 2012-10-31 | Sewing and injection type upper and sole molding technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102871296A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103653537A (en) * | 2013-11-26 | 2014-03-26 | 际华三五一五皮革皮鞋有限公司 | Assembled insole special for injection cemented shoe |
| CN105479787A (en) * | 2015-11-23 | 2016-04-13 | 际华三五一五皮革皮鞋有限公司 | New process capable of increasing bonding strengths of uppers and soles of injected or mould-pressed shoes |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2256356A (en) * | 1991-06-04 | 1992-12-09 | Select Crafts Ltd | Joining shoe components with adhesive |
| CN2296648Y (en) * | 1997-04-18 | 1998-11-11 | 庄德标 | Jointing structure for shoe sole and shoe upper |
| CN201073030Y (en) * | 2007-08-05 | 2008-06-18 | 李华伟 | Novel durable fabric shoe |
| CN201197404Y (en) * | 2008-04-29 | 2009-02-25 | 连云港韩吉实业有限公司 | Shoes |
-
2012
- 2012-10-31 CN CN2012104250628A patent/CN102871296A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2256356A (en) * | 1991-06-04 | 1992-12-09 | Select Crafts Ltd | Joining shoe components with adhesive |
| CN2296648Y (en) * | 1997-04-18 | 1998-11-11 | 庄德标 | Jointing structure for shoe sole and shoe upper |
| CN201073030Y (en) * | 2007-08-05 | 2008-06-18 | 李华伟 | Novel durable fabric shoe |
| CN201197404Y (en) * | 2008-04-29 | 2009-02-25 | 连云港韩吉实业有限公司 | Shoes |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103653537A (en) * | 2013-11-26 | 2014-03-26 | 际华三五一五皮革皮鞋有限公司 | Assembled insole special for injection cemented shoe |
| CN105479787A (en) * | 2015-11-23 | 2016-04-13 | 际华三五一五皮革皮鞋有限公司 | New process capable of increasing bonding strengths of uppers and soles of injected or mould-pressed shoes |
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| PB01 | Publication | ||
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Application publication date: 20130116 |