Sheep shoe upper leather manufacturing process

A production process and technology for shoe upper leather, which is applied in the field of sheep shoe upper leather production technology, can solve problems such as the gap between product performance and quality grade, and achieve the effects of improving fullness, flat and fine grain, and reducing part difference.
CN104789714AInactive Publication Date: 2015-07-22ZHEJIANG JINXIN LEATHER
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG JINXIN LEATHER
Publication Date
2015-07-22
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a sheep shoe upper leather manufacturing process which particularly and sequentially comprises the steps of soaking, fleshing, lime wrapping, depilating, liming, deliming, softening, souring, tanning, blue pelt lot grouping, wringing, shaving, retanning and dyeing, secondary wringing, vacuuming, hanging and airing, vibration softening, stretching, toggling, deburring, leather fluffing and finishing. The process provided by the invention is properly selected, since the retanning and dyeing procedure plays an important role in manufacturing sheep leather, through improvement of the procedures, leather quality is improved obviously, the growth lines and the back-ridged lines of rawhide are completely opened, grain sides are flat and fine, and the yield of leather is increased; the location difference of a leather body is reduced, the fullness of the entire leather is improved, the leather body can be moistened, the production cost is lowered, and the leather is enabled to be natural and environment-friendly.
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Description

Technical field:

[0001] The invention relates to a production process of sheep shoe upper leather. Background technique:

[0002] my country is the world's largest producer, exporter and consumer of footwear, and ranks first in the world in terms of quantity. Big difference. The quality grade of footwear products is a comprehensive reflection of product design, durability, wearing comfort, safety performance and ecological environmental protection performance.

[0003] Upper leather is the raw material for making shoes. On the surface of shoes, there are many raw materials for upper leather, including genuine leather upper leather, PU upper leather, PVC upper leather and so on. Genuine upper leather generally includes cowhide, sheepskin, pigskin, horsehide, snakeskin and so on. The leather shoes processed with high-grade sheep leather with real leather feeling, soft texture, comfortable wearing and good hygienic performance are more and more favored by consumers. Inventi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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