Patents by Inventor Noriaki Hanafusa

Noriaki Hanafusa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method of manufacturing small-sized pressure vessel of sheet metal
    Patent number: 4304038
    Abstract: Small-sized pressure vessels made of sheet metal which are suitable for the storage and carriage of pressurized liquid, pressurized gas and the like are provided herein, and also the method of manufacturing these pressure vessels which comprises in combination a process in which two cup-shaped pieces made of sheet metal are fitted, or a jointing ring made of metal or synthetic resin is fitted to the open end of one of both cup-shaped pieces along its inner or outer circumferential surface, and hot-melting type adhesives are applied to the jointing surface of each cup-shaped piece to which the jointing ring is attached and the jointing ring itself or the open end of the other cup-shaped piece. Also both cup-shaped pieces may be butted or fitted in their open ends in which, for example, one cup-shaped piece which has the jointing ring fitted thereto and the other cup-shaped piece are heated to 120.degree. C.-250.degree. C. to melt the adhesives and are then cooled to solidify the adhesives.
    Type: Grant
    Filed: July 11, 1979
    Date of Patent: December 8, 1981
    Assignee: Nippon Aluminium Mfg. Co., Ltd.
    Inventors: Yoshinori Yabu, Toshiaki Nishisaka, Shuichiro Katoh, Mitsushi Futamura, Masaki Nomura, Shiro Matsumoto, Noriaki Hanafusa