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:
Jan. 14, 2020
Filed:
Sep. 29, 2017
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Yoshikatsu Suito, Nagoya, JP;
Chie Nakashima, Nagoya, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Abstract
An adhesive tape cartridge can include an adhesive tape roll that winds a double-faced adhesive tape. The double-faced adhesive tape includes a base material layer, a first adhesive layer, a second adhesive layer, a third adhesive layer, and a separation material layer. The first adhesive layer is disposed on one side of the base material layer and includes an adhesive with a first pigment added. The second adhesive layer is disposed on the one side of the first adhesive layer and includes an adhesive with a second pigment added. The third adhesive layer is disposed on the other side of the base material layer. The separation material layer is disposed on the other side of the third adhesive layer. A volume ratio of the first pigment in the first adhesive layer is greater than a volume ratio of the second pigment in the second adhesive layer.