Extrusion die for manufacturing tube with small hollow portions, mandrel used for said extrusion die, and multi-hollowed tube manu-factured by using said extrusion die
A Standard patent application filed on 22 October 2002 credited to Shimizu, Fumio ; Hiramoto, Kimihisa ; Yamasaki, Hideyo

Details

Application number :

2002347628  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Extrusion die for manufacturing tube with small hollow portions, mandrel used for said extrusion die, and multi-hollowed tube manu-factured by using said extrusion die  

Inventor :

Shimizu, Fumio ; Hiramoto, Kimihisa ; Yamasaki, Hideyo  

Agent name :

 

Address for service :

 

Filing date :

22 October 2002  

Associated companies :

 

Applicant name :

SHOWA DENKO K.k.  

Applicant address :

13-9, Shiba Daimon 1-chome, Minato-ku, Tokyo 105-8518  

Old name :

 

Original Source :

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