Patents by Inventor Atsuko Miyamoto

Atsuko Miyamoto 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: 8365588
    Abstract: To provide a piston ring tension measurement apparatus which can stably measure a piston ring for suitable tension, the piston ring tension measurement apparatus of the present invention comprises: a table 1 which supports a measured piston ring 5; a first band 3 which is to be wound around an outer circumferential part of the measured piston ring 5 and which is fastened at its two end sides by fasteners 4 and 6; a second band 8 which is to be wound around an outer circumferential part of the measured piston ring 5 where the first band 3 is not wound; a fastener 11 for fastening one end side of the second band 8; a tension imparting means 14, 15, and 16 for making the second band 8 move in a direction squeezing the measured piston ring 5; and a load cell 10 which measures a tension which is imparted to the second band 8.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: February 5, 2013
    Assignee: TPR Co, Ltd.
    Inventor: Atsuko Miyamoto
  • Publication number: 20120006121
    Abstract: To provide a piston ring tension measurement apparatus which can stably measure a piston ring for suitable tension, the piston ring tension measurement apparatus of the present invention comprises: a table 1 which supports a measured piston ring 5; a first band 3 which is to be wound around an outer circumferential part of the measured piston ring 5 and which is fastened at its two end sides by fasteners 4 and 6; a second band 8 which is to be wound around an outer circumferential part of the measured piston ring 5 where the first band 3 is not wound; a fastener 11 for fastening one end side of the second band 8; a tension imparting means 14, 15, and 16 for making the second band 8 move in a direction squeezing the measured piston ring 5; and a load cell 10 which measures a tension which is imparted to the second band 8.
    Type: Application
    Filed: July 6, 2011
    Publication date: January 12, 2012
    Applicant: TEIKOKU PISTON RING CO., LTD.
    Inventor: Atsuko Miyamoto