Title:
【発明の名称】合成樹脂製波形管のフランジ形成方法
Document Type and Number:
Japanese Patent JP2884178
Kind Code:
B2
Inventors:
TATSUMI YOSHIAKI
TANAKA MASASHI
TANAKA MASASHI
Application Number:
JP8712990A
Publication Date:
April 19, 1999
Filing Date:
March 31, 1990
Export Citation:
Assignee:
TAKIRON KK
International Classes:
B29C39/26; B29C39/10; B29C45/00; B29C45/14; B29C45/26; B29C57/00; B29L23/00; B29L23/18; (IPC1-7): B29C45/14; B29C39/10; B29C39/26; B29C45/00; B29C45/26; B29C57/00
Domestic Patent References:
| JP62256628A | ||||
| JP62116119A | ||||
| JP61293821A | ||||
| JP57128527A | ||||
| JP58148159A |