• <abbr id="ck0wi"><source id="ck0wi"></source></abbr>
    <li id="ck0wi"></li>
  • <li id="ck0wi"><dl id="ck0wi"></dl></li><button id="ck0wi"><input id="ck0wi"></input></button>
  • <abbr id="ck0wi"></abbr>
  • <li id="ck0wi"><dl id="ck0wi"></dl></li>
  • Home >

    Forming Method For Leather Upper

    2008/8/13 14:57:00 41815

    Leather upper molding method is first made of a mold that contains the actual shape of leather upper, and the mold is heated to 100-140 degrees. Then a single leather upper is placed on the mold and pressed and closed, and then stripped and removed. The essence of the leather upper is that the leather upper is rapidly heated, rapidly stretched, deformed and pressed, and then molded at high temperature. When the mold is released, the leather upper has been changed into a leather upper with high quality and fastness. The leather upper can maintain the stability of the shaping quality in the subsequent shoemaking process.


    • Related reading

    Technology Olympics, Old Sports Shoes Make Artificial Lawn.

    Leather knowledge
    |
    2008/8/13 14:56:00
    41817

    Expert Weapon And Shoe Inspection Method

    Leather knowledge
    |
    2008/8/5 12:49:00
    41789

    Classification And Receipt Of Leather Garments

    Leather knowledge
    |
    2008/6/13 11:42:00
    41936

    Common Knowledge Of Leather Color Preparation

    Leather knowledge
    |
    2008/6/13 11:14:00
    42130

    Leather Clothing Selection, Authenticity, Maintenance, Washing

    Leather knowledge
    |
    2008/6/12 11:07:00
    41932
    Read the next article

    A Good Method Of Making Leather Coloring Agent From Waste Plastics

    A method for making leather coloring agent by using waste plastics is: first, cleaning up waste materials; secondly, dissolving; third, filtering; fourth, mixing ingredients, first preparing the color paste, matching the toner and the solvent to a certain proportion, then preparing the color film paste, preparing the PS resin, the solvent and the color paste in a certain proportion, fifth finishing grinding, sixth synthesizing, and seventh refining. The process is simple, the method is easy, the

    主站蜘蛛池模板: 四虎影视永久在线精品免费| 日本午夜小视频| 少妇高潮惨叫久久久久久 | 国产一区二区三区露脸| 亚洲欧美一区二区三区日产| freesexvideo性欧美医生护士| 精品国产v无码大片在线看| 成人免费ā片在线观看| 成人欧美一区二区三区1314| 国产精品va在线观看无码| 免费无码一区二区三区| 亚洲欧美综合另类| 97久久精品人人做人人爽| 永久免费无码网站在线观看 | 丰满少妇高潮惨叫久久久| 91亚洲精品视频| 欧美日韩亚洲电影| 天天色天天色天天色| 国产精品毛片一区二区| 免费看**一片毛片| 中文字幕的电影免费网站| 国产福利在线导航| 欧美日韩国产伦理| 国产精品99久久久| 办公室开档情趣内衣做爽视频| 一本大道香蕉在线影院| 玖玖爱zh综合伊人久久| 尤物视频193.com| 伊人久久大香线蕉观看| 一级特黄录像免费播放肥| 福利一区在线观看| 性xxxxfreexxxxx喷水欧美| 免费人成网站在线观看欧美| 91酒店疯狂输出女神范范| 欧美三级在线播放| 国产精品免费电影| 久久精品女人毛片国产| 老师小sao货水好多真紧h视频| 日本一本一区二区| 国产精品免费大片| 久久国产精品二国产精品|