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. 21, 2014
Filed:
Apr. 25, 2007
Shu an, Suzhou, CN;
Shu An, Suzhou, CN;
Abstract
A gas pressure-resistant metal pop-top cover comprised of two parts, a lid () and a pull-ring, the pull-ring being riveted to the lid (), there being a concave countersink that begins at the circumferential edge of the lid () and extends toward its center, and at the center of the concave countersink there being a round convex platform (), wherein the angle of inclination A of the countersink is 15-60°, and the arc-shaped segments Band Bof the bottom part of the convex platform and the corner portion of the rise segment C rotate around the center of the lid () and are subjected to cold hardening treatment through forging and pressing. Through a new design, the conflict between material-saving and maintaining pressure resistance in a pop-top cover has been solved, with the result that greater resistance to high pressure is provided as the notch diameter and thickness of materials in the pop-top cover are decreased.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile