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:
Jan. 27, 1981
Filed:
Feb. 09, 1978
Shoji Shimada, Kamakura, JP;
Yasunobu Matsushima, Kawasaki, JP;
Yokichi Sato, Kodaira, JP;
Kuniharu Matsumoto, Yokohama, JP;
Kazuyuki Akeyoshi, Yamato, JP;
Takayuki Tobita, Yokohama, JP;
Asahi Glass Company Limited, Tokyo, JP;
Nihon Parkerizing Co., Ltd., Tokyo, JP;
Abstract
One side surface of a strip of metal is contacted with a surface of a molten metal bath which is locally raised under ultrasonic vibration whereby a continuous coating is attained on one side only. A tool for imparting the ultrasonic vibration to a bath is immersed near the bath surface and the ultrasonic vibrator connected to the tool is contained in hollow holding means dipped in the bath. In accordance with the apparatus of the present invention, the worn tool can be exchanged for a short time and the molten metallic coating on one side only of the strip of metal can be attained for a long time.