Patents by Inventor Kazutaka Uehara

Kazutaka Uehara 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).

  • Patent number: 5354192
    Abstract: An indirect extrusion press wherein a cleaning ring can be clamped with certainty by clamp members. The indirect extrusion press has a die stem, a container, a cleaning ring removably fitted at an end portion of the die stem for cleaning the inner face of the container, a loose die removably mounted at the end of the die stem, and a handling apparatus including first and second pairs of clamp members for clamping therebetween and handling the cleaning ring and the loose die, respectively. The cleaning ring has a circumferential groove formed on an outer periphery thereof. Each of the first pair of clamp members for clamping the cleaning ring therebetween has a projection formed thereon for engaging the circumferential groove of the cleaning ring.
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: October 11, 1994
    Assignee: Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Munenori Soejima, Kazutaka Uehara