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:
Feb. 23, 2021
Filed:
Mar. 20, 2018
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Tadao Samejima, Tokyo, JP;
Ryuichi Ishikawa, Tokyo, JP;
Hiroshi Iwata, Tokyo, JP;
Yukihiro Mizutori, Tokyo, JP;
Masatoshi Kamata, Tokyo, JP;
Yasushi Watanabe, Tokyo, JP;
Hajime Okutsu, Tokyo, JP;
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Abstract
One mode of the invention relates to a producing a device for chopped fiber bundles having a chopper unit including a cutting blade for cutting long fiber bundles, a guide for restricting the travel direction of the fiber bundles to be supplied to the cutting means, and a structure, provided between the chopper unit and the guide, that widens the fiber bundles. The invention also relates to method for producing chopped fiber bundles by widening fiber bundles while restricting the travel direction of the long fiber bundles to be supplied to chopper unit by a guide, and obtaining chopped fiber bundles by cutting the fiber bundles with the chopper unit.