Patents Examined by Lorene E Meade
  • Patent number: 10850354
    Abstract: A laser welding control method according to the present disclosure includes: a first step of causing a first steel plate having a protrusion and a second steel plate to overlap so that a tip of the protrusion provided on the first steel plate makes contact with the second steel plate; and a second step of irradiating the protrusion with laser light in an irradiation pattern having a size larger than a size of the protrusion in plan view after the first step. At least one of a surface of the first steel plate that faces the second steel plate and a surface of the second steel plate that faces the first steel plate is plated.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: December 1, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Junji Fujiwara, Atsuhiro Kawamoto, Tatsuyuki Nakagawa, Noriyuki Matsuoka