Patents by Inventor Masayuki Kokubu

Masayuki Kokubu 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: 8695671
    Abstract: A prepreg lamination head and a prepreg automatic lamination apparatus with the same is provided. By using them, the curling-up of the cut terminal portion of the prepreg sheet can be prevented. The prepreg lamination head includes: a first roller, a second roller, and a forward-placed paper liner peeling device. The forward-placed paper liner peeling device includes a third roller, which is provided between and above the first and second rollers. The paper liner attached on the first side of the prepreg sheet is peeled off right after passing the first roller. The peeled paper liner is hanged over the third roller between the first and second rollers. The third roller guides the peeled paper liner to the second roller. The prepreg sheet is pressed on the laminated body with the second roller through the paper liner.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: April 15, 2014
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Daiki Arakawa, Jun Eto, Koji Yamada, Masayuki Kokubu
  • Publication number: 20120298309
    Abstract: A prepreg lamination head which laminates a prepreg sheet (8) toward a fiber direction (T2) in a direction intersecting a length direction (T1) of a prepreg laminated body is disposed at each of both outsides oldie subject laminated body (W) in the width direction. The prepreg lamination head includes: a pair of guide rollers which guides a prepreg sheet (8) so as to be superimposed on the subject laminated body (W); and a lamination shoe (31) which is disposed between the pair of guide rollers so as to freely advance and retract in the fiber direction (T2) and stick the prepreg sheet (8) guided between the pair of guide rollers on the subject laminated body (W) by pressing the prepreg sheet from one surface thereof. Then, the lamination shoe (31) is divided in the width direction of the prepreg sheet (8).
    Type: Application
    Filed: February 25, 2011
    Publication date: November 29, 2012
    Inventors: Daiki Arakawa, Koji Yamada, Jun Eto, Masayuki Kokubu
  • Publication number: 20120227907
    Abstract: A prepreg lamination head and a prepreg automatic lamination apparatus with the same is provided. By using them, the curling-up of the cut terminal portion of the prepreg sheet can be prevented. The prepreg lamination head includes: a first roller, a second roller, and a forward-placed paper liner peeling device. The forward-placed paper liner peeling device includes a third roller, which is provided between and above the first and second rollers. The paper liner attached on the first side of the prepreg sheet is peeled off right after passing the first roller. The peeled paper liner is hanged over the third roller between the first and second rollers. The third roller guides the peeled paper liner to the second roller. The prepreg sheet is pressed on the laminated body with the second roller through the paper liner.
    Type: Application
    Filed: February 24, 2011
    Publication date: September 13, 2012
    Applicant: Mitsubishi Heavy Industries, Ltd
    Inventors: Daiki Arakawa, Jun Eto, Koji Yamada, Masayuki Kokubu