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:
Mar. 11, 2025
Filed:
Jun. 29, 2023
Maruyama Mfg. Co., Inc., Tokyo, JP;
Nobuo Tojo, Tokyo, JP;
MARUYAMA MFG. CO., INC., CHIYODA-KU, TOKYO, JP;
Abstract
A seal structure includes an annular female adapter, at least one annular packing, and an annular male adapter. The male adapter and the female adapter sandwich the at least one packing. The at least one packing includes a packing convex portion adjacent to the female adapter and a packing concave portion adjacent to the male adapter. The male adapter includes an adapter convex portion that contacts the packing concave portion. The female adapter includes an adapter concave portion that contacts the packing convex portion. In a state sandwiched between the male adapter and the female adapter, the at least one packing includes an inner diameter that is smaller than a diameter of the reciprocating member. The female adapter includes an inner diameter that is smaller than the diameter of the reciprocating member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile