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:
Dec. 31, 2019
Filed:
Sep. 14, 2016
Eagle Industry Co., Ltd., Minato-ku, Tokyo, JP;
EAGLE INDUSTRY CO., LTD., Tokyo, JP;
Abstract
A metal bellows of great durability capable of preventing breakage at both end portions of the metal bellows is provided. The metal bellows is annular-shaped and has, axially repeatedly, a structure in which, from an axial end portion, a belly, a valley, a belly, a peak, and a belly are integrally formed in series sequentially in this order. The end portionhas a first connection bellyconnected to a fitting member, and a connection valleyand a second connection bellyextending sequentially from the first connection bellyaxially inward. The axial width bof the connection valleyin a free state is set larger than the axial width of valleys, . . . or peaks, . . . in a portion other than the end portion