Patents by Inventor Hideo Oumi

Hideo Oumi 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 a conveyor belt and an apparatus therefor
    Patent number: 3941637
    Abstract: This invention involves manufacturing a conveyor belt by applying tension on a group of steel cords used as the belt tensile member, wrapping the tensioned steel cords with the rubber sheet to make a core body, sticking a based duck or a breaker and a covering rubber sheet in turn on said core body to build a belt, vulcanizing the belt and winding the resultant belt, in which the application of the tension to the group of steel cords is carried out by a plurality of pulleys on which hang a plurality of like weights respectively, and a winder.
    Type: Grant
    Filed: November 9, 1972
    Date of Patent: March 2, 1976
    Assignee: Mitsubishi Belting Limited
    Inventors: Takashi Masuda, Shigeyuki Sozaki, Masakatsu Ando, Hideo Oumi