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:
Sep. 11, 2001
Filed:
Aug. 11, 1998
Junichiroh Hirohashi, Tokyo, JP;
Masamitsu Takahashi, Tokyo, JP;
Tadashi Nagai, Tokyo, JP;
Masakazu Noda, Tokyo, JP;
Hiroshi Tanabe, Tokyo, JP;
Yasuhiro Mita, Tokyo, JP;
Humihiko Katoh, Tokyo, JP;
Calsonic Kansei Corporation, Tokyo, JP;
Abstract
In the corrugated metal sheet,in which the crest portions,and the trough portions,are formed in plural alternatively along the corrugation direction,, the rack portions,, the rising trough portions,, and the rising crest portions,are provided in plural. The rack portions,are arranged between the crest portions,and the trough portions,and extended along the folding direction,and the corrugation direction,to couple adjacent crest portions,and trough portions,. The rising trough portions,are folded from the boundaries between the crest portions and the rack portions,such that part of the crest portions,being divided by two cuttings separated in the folding direction,are protruded partially in the same direction as the trough portions,. The rising crest portions,are folded from the boundaries between the trough portions and the rack portions,such that part of the trough portions,being divided by two cuttings separated in the folding direction,are protruded partially in the same direction as the crest portions,.