发明名称 |
PRODUCTION OF TUBULAR FILM OF SYTHETIC RESIN |
摘要 |
PURPOSE:The gas round the outer surface of a molten tube of extruded synthetic resin is removed by sucking and a cooling gas is blown from a ring, thus enabling the high-speed production of tubular films and the contraction of cooling zone. |
申请公布号 |
JPS5429370(A) |
申请公布日期 |
1979.03.05 |
申请号 |
JP19770094955 |
申请日期 |
1977.08.10 |
申请人 |
TOKUYAMA SODA KK |
发明人 |
YOSHIMURA TERUO;NAKAMURA MASARU;WACHI HIROSHI;SUGIMURA SHIGEKI |
分类号 |
B29C49/00;B29C47/88;B29C55/00;B29C55/28 |
主分类号 |
B29C49/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|