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:
Sep. 13, 2022
Filed:
Jun. 03, 2020
Army Academy of Armored Forces, Beijing, CN;
Guozheng Ma, Beijing, CN;
Haidou Wang, Beijing, CN;
Pengfei He, Beijing, CN;
Xianyong Zhu, Hangzhou, CN;
Ming Liu, Beijing, CN;
Ling Tang, Jinping Town, CN;
Shuyu Ding, Jianyang, CN;
Hengheng Xi, Yaohe Town, CN;
Li Zhou, Luzhou, CN;
Tao Liu, Nanchang, CN;
ARMY ACADEMY OF ARMORED FORCES, Beijing, CN;
Abstract
Disclosed are a testing device and a testing method for adhesive strength of an inner hole coating. A pull rod of the testing device for the adhesive strength of the inner hole coating may apply an axial tension to the inner hole coating via a guide ring and an assisting assembly, and may also apply radial pressure to the inner hole coating via a tapered surface and the assisting assembly. And the press rod may apply a radial tension to the inner hole coating via the pull hook and the assisting assembly. The testing method for the adhesive strength of the inner hole coating adopts the above-mentioned testing device for adhesive strength of an inner hole coating, a tensile adhesive strength test and a shear adhesive strength test may be performed on a same device.