The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 19, 1998
Filed:
Sep. 25, 1995
Applicant:
Inventors:
Kaoru Shimizu, Osaka, JP;
Kazuhiko Kodama, Kyoto, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264513 ; 264572 ;
Abstract
A method of manufacturing a functional hollow structural member having a structural member having a hollow part, and functional means disposed on the inside surface of the hollow part, comprising the steps of injecting a molding material into a molding die, injecting a gas and a functional substance into the molding material to form a hollow part in the molding material, forming functional means inside of the hollow part, and forming a structural member by solidifying the molding material. As the functional means, a layer having a magnetic function, conductive function, or antibacterial function is used.