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:
May. 05, 2026
Filed:
Mar. 26, 2025
Fulian Precision Electronics (Tianjin) Co., Ltd., Tianjin, CN;
Fulian Precision Electronics (Tianjin) Co., LTD., Tianjin, CN;
Abstract
A sealing workpiece applied to a piece of vacuum testing equipment is provided, including a first cover, including a mounting portion and a joint portion integrally formed with the mounting portion, the mounting portion is mounted to the vacuum testing equipment, the mounting portion includes a first opening closing to the vacuum testing equipment, and communicated with an external connection hole of the vacuum testing equipment, the joint portion includes a second opening communicated with the first opening; a second cover, the first cover is connected to the second cover through the joint portion; when the first cover and the second cover are connected, the first cover and the second cover engage to form a third opening communicating with the first opening, the third opening is away from the vacuum testing equipment, a diameter of the third opening is less than a diameter of the first opening.