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:
Oct. 22, 2024
Filed:
Sep. 04, 2020
Keylex Corporation, Hiroshima, JP;
Hiroyuki Okamura, Hiroshima, JP;
Ken Shimada, Hiroshima, JP;
KEYLEX CORPORATION, Hiroshima, JP;
Abstract
After holding a metal pipeusing a clamping die, a primary formed portioncorresponding to the preforming surface portionis formed on the metal pipeby pressing an end portion of the metal pipewith a pressing diein a direction of a cylinder center line C. A final formed portionis formed on the metal pipeby moving an outer forming dieto press an outer circumferential surface of the metal pipewith the outer forming dieafter aligning a rib portionwith the primary formed portion, while moving an inner forming dieto press an inner circumferential surface of the metal pipewith the inner forming dieafter aligning a recessed groove portionwith the primary formed portion