Patents Assigned to K.T. Corporation
  • Patent number: 5709700
    Abstract: The present invention relates to a hole making device which comprises a hole maintenance member having a rod portion, a needle member having a sharp tip and a recess for accommodating the rod portion of the hole maintenance member, a piercing mechanism for sticking the needle member accommodating the rod portion of the hole maintenance member through an object in which a hole is to be made, an extraction mechanism for receiving the needle member penetrating the object, and extracting the needle member through the object toward a direction to which the sharp tip of the needle member points so as to leave the hole maintenance member in the object, and an interlock mechanism for interlocking the piercing mechanism and the extraction mechanism.
    Type: Grant
    Filed: April 11, 1996
    Date of Patent: January 20, 1998
    Assignees: Kato Spring Works Co., Ltd, K & T Corporation
    Inventor: Masaho Hirota
  • Patent number: 3940898
    Abstract: A double-pane window containing a dry atmosphere is produced by placing two panes of transparent material in a spaced-apart relationship; a sealing means is placed about the periphery of the adjacent faces of the panes of transparent material to enclose a sealed area which is then evacuated and filled with a dry gas. The window is then mounted in a suitable frame to maintain the panes of transparent material in a suitable spaced apart relationship.
    Type: Grant
    Filed: August 20, 1973
    Date of Patent: March 2, 1976
    Assignee: K.T. Corporation
    Inventor: Albert N. Kaufman