正在加载图片...
二. Bottle Manufacture 1. Blowing the Bottle or Jar ⚫ Process: "blow-and-blow”; "press-and-blow" ⚫ two molds: blank mold forms the neck and the initial shape blow mold produce the final shape ⚫ A blank mold comes in a number of sections: finish section cavity section (made in two halves to allow parison removal) a guide or funnel for inserting the gob a seal for the gob opening once the gob is settled in the mold blowing tubes through the gob and neck openings二. Bottle Manufacture 1. Blowing the Bottle or Jar ⚫ Process: "blow-and-blow”; "press-and-blow" ⚫ two molds: blank mold forms the neck and the initial shape blow mold produce the final shape ⚫ A blank mold comes in a number of sections: finish section cavity section (made in two halves to allow parison removal) a guide or funnel for inserting the gob a seal for the gob opening once the gob is settled in the mold blowing tubes through the gob and neck openings
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有