Patents by Inventor Mitushi Mio

Mitushi Mio 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).

  • Flexible pattern to be used for casting molds
    Patent number: 4150713
    Abstract: A flexible pattern for forming casting molds can be withdrawn from the mold, without need of partitioning and reassembling, and includes a pattern member made by coupling a plurality of outer plates, having a configuration corresponding to a desired predesigned casting, by means of joint members, which are freely removable, and an airtight bag installed in the inner periphery of the pattern member. The pattern member and the airtight bag are united in a single body.
    Type: Grant
    Filed: March 21, 1977
    Date of Patent: April 24, 1979
    Assignee: Awaji Sangyo Kabushikikaishi
    Inventor: Mitushi Mio
  • Method for forming a casting mold and a flexible pattern to be used therefor
    Patent number: 4027717
    Abstract: A method for forming casting molds, comprising forming a flexible pattern composed of rigid plates and a flexible cloth, the rigid plates being adhered to the flexible cloth with intervals between plates, and the flexible pattern being made an air-tight construction, pouring a fluid into the flexible pattern or supplying the fluid under pressure to form any desired shape thereof, discharging the fluid from the flexible pattern after a sand mold has been cured, and then withdrawing the flexible pattern from the sand mold.
    Type: Grant
    Filed: September 17, 1975
    Date of Patent: June 7, 1977
    Inventor: Mitushi Mio