Patents Assigned to Kabushiki Kaisha Kunitec
  • Tubular product and manufacturing method and manufacturing device thereof
    Patent number: 8020422
    Abstract: A tubular product comprises a side section having outer surfaces disposed along a parallelogram and a bottom section formed on one end of the side section. The outer surfaces of the side section are pressure formed by a roller. The tubular product preferably is manufactured from a tubular material by a process comprising the use of a device having a roller that is configured to engage with a side section of the tubular material. The device also comprises a mandrel configured to position the tubular material so that the roller can apply pressure against at least a portion of the outer surfaces of the side section and can extend the side section of the tubular material to form the product.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: September 20, 2011
    Assignee: Kabushiki Kaisha Kunitec
    Inventors: Yukitaka Kunimoto, Toshiya Saito
  • TUBULAR PRODUCT AND MANUFACTURING METHOD AND MANUFACTURING DEVICE THEREOF
    Publication number: 20080226935
    Abstract: A tubular product comprises a side section having outer surfaces disposed along a parallelogram and a bottom section formed on one end of the side section. The outer surfaces of the side section are pressure formed by a roller. The tubular product preferably is manufactured from a tubular material by a process comprising the use of a device having a roller that is configured to engage with a side section of the tubular material. The device also comprises a mandrel configured to position the tubular material so that the roller can apply pressure against at least a portion of the outer surfaces of the side section and can extend the side section of the tubular material to form the product.
    Type: Application
    Filed: March 7, 2008
    Publication date: September 18, 2008
    Applicant: KABUSHIKI KAISHA KUNITEC
    Inventors: Yukitaka Kunimoto, Toshiya Saito