Patents by Inventor Shuichi Murooka

Shuichi Murooka 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 for brazing aluminum materials
    Patent number: 5244144
    Abstract: A method is provided to braze aluminum materials to each other, the method comprising a step of producing a fluoride gas-containing atmosphere within a brazing oven. The method further comprises a step of brazing the aluminum materials, by heating said materials within said atmosphere melts. The fluoride gas-containing atmosphere is produced in the soldering oven: by introducing an inert gas and the fluoride gas through different passages; by introducing into the oven a mixture of the inert gas and the fluoride gas; or by heating a fluoride in a receptacle which is placed in the oven so as to gasify the fluoride within the oven.
    Type: Grant
    Filed: November 12, 1992
    Date of Patent: September 14, 1993
    Assignee: Showa Aluminum Kabushiki Kaisha
    Inventors: Yasuhiro Osame, Satoko Arai, Shoichi Sato, Shuichi Murooka