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. 31, 2019
Filed:
Dec. 20, 2016
Sumitomo Chemical Company, Limited, Tokyo, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Abstract
The separator production method in accordance with an embodiment of the present invention includes a coated article taking up step of taking up a separator original sheet by winding the separator original sheet on an outer peripheral surface of a core while oscillating the core in the rotation axis direction; a coated article winding off step of winding off the separator original sheet, which has been taken up in the coated article taking up step, from the core; and a transferring step of transferring the separator original sheet, which has been wound off in the coated article winding off step, such that a state of being distorted in a wavelike manner in the transverse direction is maintained.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile