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:
Jun. 14, 2022
Filed:
Oct. 21, 2019
Lg Chem, Ltd., Seoul, KR;
Jae Hyoung Son, Daejeon, KR;
Chang Bum Ahn, Daejeon, KR;
Abstract
A degassing device includes a piercing unit including a piercing body configured to be disposed on a first surface of the secondary battery to seal one side of the first surface of the secondary battery, and a piercing member configured to pierce the sealed one side of the first surface of the secondary battery to form an opening hole; and a gas discharge unit including a gas discharge body configured to be disposed on a second surface of the secondary battery to seal one side of the second surface of the secondary battery, and a gas discharge member configured to discharge the gas within the secondary battery to the outside through the opening hole, wherein the piercing member is configured to form the opening hole passing from the one side of the first surface to the one side of the second surface of the secondary battery.