Patents Assigned to Lion Kabushiki Kaisha
  • Patent number: 4321816
    Abstract: A thin-walled metal tube includes a tubular nipple section, a shoulder section joined to the nipple section, a tubular barrel section and a border section connecting the shoulder and barrel sections, the barrel section being defined by a wall having a thickness in the range of between about 20 microns and about 70 microns. The border section includes a region which changes in thickness, the wall thickness of the border section being greater than the thickness of the wall defining the barrel section and the thickness changing region having a cross-section having either an arcuate or a tapered region.
    Type: Grant
    Filed: August 6, 1979
    Date of Patent: March 30, 1982
    Assignees: Kyodo Insatsu Kabushiki Kaisha, Lion Kabushiki Kaisha
    Inventors: Yoshihiko Nakahara, Norihiro Tsujii, Kenichi Nakanishi, Yuji Sakai, Masanori Saigo