Title:
形状面が調節される金型ブロックを備える成形装置
Document Type and Number:
Japanese Patent JP4625329
Kind Code:
B2
Abstract:
A pipe molding apparatus includes a plurality of mold blocks (9) which move along a molding path to form double wall plastic pipe having an outer pipe wall with corrugations which set outside diameter of the pipe and an inner wall around a bore through the pipe. The mold blocks (9) have profiled faces which determine shape of the pipe. The profiled faces are reconfigureable in profile between first depth of the corrugations and diameter of the bore through the pipe without varying external diameter and while maintaining essentially constant wall thickness of the pipe.
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Inventors:
Rupke, Manfred, A..
Rupke, Stefan, A.
Rupke, Stefan, A.
Application Number:
JP2004552299A
Publication Date:
February 02, 2011
Filing Date:
November 12, 2003
Export Citation:
Assignee:
Rupke, Manfred A., A.
Rupke, Stefan, A.
Rupke, Stefan, A.
International Classes:
B29C33/30; B29C33/36; B29C48/09; B29C48/13; B29C48/30; B29C48/355; B29C48/90; B29C48/92; B29C49/00; B29C49/48; B29L23/18
Domestic Patent References:
| JP2000351144A | ||||
| JP2125715A |
Foreign References:
| DE20009030U | ||||
| US3784346 |
Attorney, Agent or Firm:
Okabe
Masao Okabe
Nobuaki Kato
Kazuo
Shinichi Usui
Takao Ochi
Teruhisa Motomiya
Seiichiro Takahashi
Koji Yoshizawa
Takao Matsui
Kiyohiko Susumu
Masao Okabe
Nobuaki Kato
Kazuo
Shinichi Usui
Takao Ochi
Teruhisa Motomiya
Seiichiro Takahashi
Koji Yoshizawa
Takao Matsui
Kiyohiko Susumu