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:
Feb. 12, 1985
Filed:
Oct. 16, 1981
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Abstract
A plating apparatus for plating an annular diaphragm member which includes a first lower member including a first vertical passage formed therein having an opening, an outlet port in fluid communication with the first vertical passage, and a surface formed around the upper opening for mounting the annular member thereon, a second, upper member detachably mounted on the first member so as to form a casing, the second member including a second vertical passage formed therein having a lower opening opposed to the upper opening, and an inlet port in fluid communication with the second vertical passage, the lower opening having a larger radius than that of the upper opening, a positive electrode positioned above an upper inner peripheral portion of the annular member, a mechanism for supplying plating fluid under pressure to the inlet port, a control mechanism for controlling current distribution from the positive electrode to the upper inner peripheral portion of the annular member and a negative electrode electrically connected to the annular member wherein plating fluid is supplied to the inlet port under pressure and is discharged from the outlet port.