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:
Mar. 22, 2022
Filed:
Oct. 04, 2018
Retroreflective sheet having particles disposed between retroreflective elements and back face layer
Nippon Carbide Industries Co., Inc., Tokyo, JP;
Toshiaki Shiomi, Toyama, JP;
Chenyang Jiang, Toyama, JP;
NIPPON CARBIDE INDUSTRIES CO., INC., Tokyo, JP;
Abstract
A retroreflective sheet includes: a retroreflective layer () including a plurality of retroreflective elements () on one surface; a back face layer () provided to face the surface of the retroreflective layer () on the side of the retroreflective elements () and including a bonding portion () bonded to the retroreflective elements (); and a plurality of particles () disposed between the retroreflective elements () and the back face layer (). The bonding portion () is continuously formed to surround a plurality of capsule portions () in plan view. Voids () are formed between the retroreflective elements () and the back face layer () in the plurality of capsule portions ().