Patents by Inventor Ikuo Oyobe

Ikuo Oyobe 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 restoration and re-utilization of discharged gas and arrangement employed therefor
    Patent number: 4406845
    Abstract: A method for restoration and re-utilization of discharged gas for use in a vulcanization employing inert gas in part of the vulcanization of elastomer products, which includes the steps of restoring a mixture of used inert gas discharged from a vulcanizing unit and vulcanizing medium for steam separation thereof, subjecting the elastomer product mounted in a metal mold to a preshaping by supplying the inert gas obtained by the steam separation to the vulcanizing unit prior to starting of the vulcanization, and subjecting the inert gas obtained by the steam separation to supplementary pressurization by inert gas obtained from an inert gas generating unit when the inert gas is to be supplied to the vulcanizing unit, and also an arrangement for carrying out the above method in an efficient manner.
    Type: Grant
    Filed: October 16, 1981
    Date of Patent: September 27, 1983
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Tohatirou Sakon, Ikuo Oyobe