Patents Assigned to Fukui Byora Co.
  • Stud bolt for metal panels
    Patent number: 4430034
    Abstract: The present invention provides it possible to finish studding the bolt in one process without drilling on the caulked panels in the processing of studding small bolts on thin steel plates such as steels for automotive body, for example, and also provides, at the same time, the structure of the bolt whereby the physical requisite desired after caulking are extremely stabilized and advanced.
    Type: Grant
    Filed: July 7, 1981
    Date of Patent: February 7, 1984
    Assignee: Fukui Byora Co.
    Inventor: Tatsuhichi Fujikawa