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:
Jul. 09, 2024
Filed:
Jan. 23, 2020
Ntn Corporation, Osaka, JP;
Shigeaki Fukushima, Iwata, JP;
Natsuko Nagai, Iwata, JP;
NTN CORPORATION, Osaka, JP;
Abstract
A manufacturing method of a bearing device for a vehicle wheel () includes: a pressure adjusting step of enclosing, in a work chamber (Rw), the bearing device for a vehicle wheel () to which a sealing member () on an outer side is fitted in the work chamber (Rw), and adjusting a pressure in the work chamber (Rw) to a predetermined atmospheric pressure (Pt) according to an environment of a use area of the bearing device for a vehicle wheel (); and a sealing step of fitting a cover () that seals an inner side opening () of an outer ring () or an inner side sealing member () that seals between the outer ring () and a hub ring () or an inner ring () to the inner side opening () in the work chamber (Rw) in which a pressure has been adjusted.