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. 15, 1992
Filed:
Aug. 30, 1991
Hajime Gotoh, Nagoya, JP;
Toshihiro Hattori, Nagoya, JP;
Tadasi Yokochi, Nagoya, JP;
Setsuo Kashiyama, Nagoya, JP;
Yukihiro Sumikawa, Nagoya, JP;
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Abstract
A honeycomb core comprising honeycomb ribbons individually obtained by laminating a plurality of sheets of paper comprising short fibers oriented in a specific direction with an orientation degree of 50% or more, wherein the term 'orientation degree' means the proportion of the number of fibers oriented at an angle in the range of .+-.5.degree. with the specific direction to the total number of fibers which is expressed in percentage. The honeycomb core of the present invention is lighter in weight than conventional honeycomb cores and has a high strength properties in a specific direction.