Patents Examined by Alfred G. Perham
  • Concrete reinforcing bar extension construction and method
    Patent number: 4024688
    Abstract: This specification discloses a method and construction for joining the ends of concrete reinforcing bars which permits the development of both tension and compression in the bars. A joining member compressively engages adaptor members integrally joined to the ends of the bars and reacts any forces tending to separate the bars, and further permits transmittal of compressive forces therebetween.
    Type: Grant
    Filed: March 5, 1976
    Date of Patent: May 24, 1977
    Inventor: Anthony J. Calini