Patents Assigned to Nordisk Kartro Aktiebolag
  • Patent number: 4058048
    Abstract: A clinchnail having an elongated shank with a head at one end and a tip portion at the other end thereof, wherein the shank is of essentially constant cross-sectional configuration throughout its length and the tip portion has a cross-sectional configuration differing from that of the shank, said tip portion being laterally offset from said shank with respect to the longitudinal axis of the shank.
    Type: Grant
    Filed: October 1, 1975
    Date of Patent: November 15, 1977
    Assignee: Nordisk Kartro Aktiebolag
    Inventor: Borje Erling Ingvar Sundberg
  • Patent number: 4037512
    Abstract: An expanding wire nail for fastening baseboards and the like to concrete walls has two aligned shank segments integrally joined by a ligament of cruciform cross-section forming a weakened zone between oblique wedge faces on the adjacent ends of the shank segments. The ligament and the wedge faces are formed by plastic deformation of the shank from opposite sides in a forming die assembly. The forming die assembly has opposed forming punches driven in phase opposition, each forming punch being driven in unison with one of two aligned tip cutting punches.
    Type: Grant
    Filed: October 24, 1974
    Date of Patent: July 26, 1977
    Assignee: Nordisk Kartro Aktiebolag
    Inventor: B. E. Ingvar Sundberg
  • Patent number: 4007834
    Abstract: A fastener package, for use in a fastener applicator apparatus and comprising a disc shaped carrier and a plurality of fasteners, each having an elongated shank and a head. The shanks of the fasteners pass through the carrier and the under surface of their heads rest on the carrier. The disc shaped carrier is circular and carries the fasteners evenly spaced on a circular line along the peripheral portion of the circular carrier. Also disclosed is an inherently stiff support and guide body which is useful as a magazine in the fastener applicator apparatus and which has teeth or grooves for a step-wise turning thereof in order to advance the fasteners, one at a time, to an application position in the fastener applicator apparatus.
    Type: Grant
    Filed: April 2, 1974
    Date of Patent: February 15, 1977
    Assignee: Nordisk Kartro Aktiebolag
    Inventor: Egil Borgersen
  • Patent number: 3987698
    Abstract: A nail has a series of embossments formed as wedge-like ramps arranged in a helical path between the head and tip of the nail, each embossment having a smaller end directed toward the nail tip, the cross-section of the shank being substantially constant.
    Type: Grant
    Filed: April 10, 1975
    Date of Patent: October 26, 1976
    Assignee: Nordisk Kartro Aktiebolag
    Inventor: Karl Lars Gunnar Rabe
  • Patent number: 3958482
    Abstract: A machine for cutting material, such as wood comprising knives angularly adjustable around an axis and adapted to cut the wooden material angularly in cooperation with suitable anvils, each knife being journalled on a journal column which is angularly adjustable around said axis jointly with the respective anvil.
    Type: Grant
    Filed: April 15, 1975
    Date of Patent: May 25, 1976
    Assignee: Nordisk Kartro Aktiebolag
    Inventor: Knut Hjalmar Claesson
  • Patent number: D288776
    Type: Grant
    Filed: July 19, 1984
    Date of Patent: March 17, 1987
    Assignee: Nordisk Kartro Aktiebolag
    Inventor: Borje E. I. Sundberg
  • Patent number: D289258
    Type: Grant
    Filed: July 19, 1984
    Date of Patent: April 14, 1987
    Assignee: Nordisk Kartro Aktiebolag
    Inventor: Borje E. I. Sundberg