Patents Assigned to deha Baubedarf GmbH & Co. KG
  • Apparatus for introducing transport anchors into a mold for concrete parts
    Patent number: 4708612
    Abstract: Transport anchors to be introduced into moulds for concrete parts are held at disposal in a magazine. An ejection device transversally displaceable with respect to the longitudinal axis of the lowest transport anchor in the magazine brings the transport anchor to a gripping member which grips the head of the transport anchor. By means of a displaceable carriage carrying the gripping member, the transport anchor seized by the gripping member is introduced into the mould by its free end.
    Type: Grant
    Filed: December 2, 1985
    Date of Patent: November 24, 1987
    Assignee: Deha Baubedarf GmbH & Co. KG
    Inventor: Harald Pape
  • Screw-in fastener for a tubular anchor embedded in a concrete element
    Patent number: 4615554
    Abstract: A screw-in fastener for an anchor embedded in a precast concrete element includes a coupling member, to which a transport anchor is applied, a threaded pin insertable into the anchor positioned within the concrete element, and a supporting plate, from which the pin outwardly extends. The supporting plate has a circular end face supported against the upper surface of the concrete element.
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: October 7, 1986
    Assignee: Deha Baubedarf GmbH & Co. KG
    Inventors: Henning Schilla, Ernst Hatz, Eckart Zipf
  • Connection of a cast-in-place reinforced concrete slab to a prefabricated column
    Patent number: 4612747
    Abstract: A concrete slab is connected to a column passing therethrough. Embedded in the slab are insert parts each having a first recess. The slab also carries a ridge-like reinforcement which includes bars that project through the first recesses and into second recesses carried by the column. The recesses correspond to the cross-sectional shape of the bars and tightly engage same.
    Type: Grant
    Filed: May 10, 1985
    Date of Patent: September 23, 1986
    Assignee: Deha Baubedarf GmbH & Co. KG
    Inventors: Wolfhart Andra, Wilhelm Zellner, Willi Kunzl, Horst Falkner, Bernhard Gohler, Hans-Peter Andra
  • Method of laying and joining pipes and a lifting device for performing the method
    Patent number: 4439067
    Abstract: A method for joining of pipes, especially large concrete pipes, heretofore been a comparatively cumbersome procedure necessitating the use of special tools by means of which a pressure has been exerted on the back end of the pipe to push it towards the last of the previously laid pipes.
    Type: Grant
    Filed: November 5, 1981
    Date of Patent: March 27, 1984
    Assignee: deha Baubedarf GmbH & Co. KG
    Inventors: Thorleif Bakk, Henry Bakk