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. 22, 2022
Filed:
Jun. 10, 2019
Sika Hamatite Co., Ltd., Hiratsuka, JP;
Megumi Abe, Kanagawa, JP;
Yuichi Matsuki, Kanagawa, JP;
Abstract
A method for manufacturing a multilayer member that provides excellent adhesiveness without using a primer. An embodiment of the present invention provides a method for manufacturing a multilayer member including a first member containing a crystalline thermoplastic resin, an adhesion layer, and a second member in this order, the method including a surface treatment step of performing dry treatment on a surface of the first member containing a crystalline thermoplastic resin, satisfying the following condition A, an adhesive application step of forming an adhesive layer in a surface subjected to the dry treatment of the first member by applying an adhesive to the surface subjected to the dry treatment of the first member without interposing a primer composition, and an adhering step of making the second member adhere onto the adhesive layer.