Patents Assigned to K.K. Chibakou Shoji
  • Patent number: 4872463
    Abstract: The primary objective of the invention is to facilitate the application of a condom without entraining air into it, by making use of the arrangements and instrumentalities shown in the accompanying drawing as a preferred embodiment of the present invention and not as limitative thereto. In the preferred embodiment, the pocket at the tip of the condom from which air is forced out as by twisting is held in a slit cut in the center of a rectangular strip applied on the condom from one side of its base along the length to the tip and then back along to the other side of the base, and which is provided with pull tabs extended laterally from the center of said strip where the slit is out.Both ends of the strip are rolled in together with the base hem ring of the condom to form a tucked-up disk. To apply the condom to the penis, it is only required to pull the pull tabs backward along the penis to unroll the condom sheath over it while keeping the center of said tucked-up disk in close contact with the glans.
    Type: Grant
    Filed: July 13, 1987
    Date of Patent: October 10, 1989
    Assignee: K.K. Chibakou Shoji
    Inventor: Taiji Nishizono