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:
Dec. 24, 2002
Filed:
Mar. 13, 2000
Applicant:
Inventors:
Norihiko Toyoda, Tokyo, JP;
Masamitsu Okamura, Tokyo, JP;
Hiroshi Takayama, Tokyo, JP;
Toshiaki Kunugi, Tokyo, JP;
Masakatsu Kawasaki, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04C 2/54 ;
U.S. Cl.
CPC ...
E04C 2/54 ;
Abstract
A sandwich panel is manufactured-by providing: a first step (a), (b) of attaching another end portion of an insert whose one end portion is made sharp to an inner side of a facing member in which a hole is cut in advance; a second step (c) of pressing the insert into the core member such that the one end portion of the insert force-cuts a core member ; and a third step (d) of attaching another facing member to a side of the core member opposing the insert-inserting side thereof.