发明名称 |
Method of making heat-resistant transparent container |
摘要 |
This invention relates to a method of making a heat-resistant transparent container which comprises: a primary stretching and heat-setting process wherein an amorphous polyethylene terephthalate sheet is heated, primarily stretched and then primarily heat-set, and a secondary stretching and heat-setting process wherein the sheet treated in the primary stretching and heat-setting process is molded with heating in a mold of a thermoforming machine while secondary stretching is performed followed by secondary heat-setting in the same mold.
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申请公布号 |
US2008042318(A1) |
申请公布日期 |
2008.02.21 |
申请号 |
US20070811894 |
申请日期 |
2007.06.12 |
申请人 |
TAKAOKA SHIGERU;SHIBANO HIROSHI;KAWATA JUN |
发明人 |
TAKAOKA SHIGERU;SHIBANO HIROSHI;KAWATA JUN |
分类号 |
B29C55/02 |
主分类号 |
B29C55/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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