发明名称 |
CONTINUOUS MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF THERMOPLASTIC POLYESTER RESIN FOAM |
摘要 |
A thermoplastic polyester resin is fed into a twin extruder, wherein a resin is heated for melting, thereby removing moisture in the resin by evacuating and sucking from a vent port thereof, injecting a foaming agent into the resin to which is pushed out as a foaming sheet and, after that, forming the foaming sheet which is divided into a forming body and a trimming loss, whereby the trimming loss is crushed to obtain crushed materials which are provided so as to put the materials into the twin extruder as collection materials and recycle them. |
申请公布号 |
CA2166170(C) |
申请公布日期 |
2002.07.09 |
申请号 |
CA19952166170 |
申请日期 |
1995.12.27 |
申请人 |
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发明人 |
ISHIWATARI, SUSUMU;TSUBONE, MASAHIRO;HIRAI, TAKAAKI;SHINDO, MASAHIRO;YOSHIOKA, KIYOSHI;TSUJIWAKI, NOBUYUKI |
分类号 |
B29B17/00;B29B17/04;B29C44/50;B29C47/10;B29C47/76 |
主分类号 |
B29B17/00 |
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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