Patents Assigned to J.A. Henckels Zwillingswerk Aktiengesellschaft
  • Knife with ferrule as sintered part
    Patent number: 5131152
    Abstract: A knife consisting of blade, ferrule and shank, in which shank and blade are welded to opposite flat surfaces of the ferrule and consist of steel, and, in order to obtain a considerably simplified manufacture with the same utilitarian value, a sinter-steel ferrule is provided in connection with which the material of shank and ferrule have approximately the same hardness, which hardness is less than that of the material of the blade.
    Type: Grant
    Filed: April 19, 1991
    Date of Patent: July 21, 1992
    Assignee: J. A. Henckels Zwillingswerk Aktiengesellschaft
    Inventors: Jurgen E. Wordtmann, Horst Grafe
  • Cutting tools having a plastic handle
    Patent number: 4955139
    Abstract: A cutting tool, particularly a knife, is formed of a blade and handle, the blade having a tang which extends into the handle. The handle is configured with an insertion shaft having sidewalls and a height greater than its width as measured in cross section. The insertion shaft receives the tang. Portions of the sidewalls are cut out to form elongated recesses giving the shaft the shape of a cross as viewed in cross section. Lugs are formed at ends of the recesses facing the blade for secure engagement with the tang.
    Type: Grant
    Filed: April 25, 1988
    Date of Patent: September 11, 1990
    Assignee: J. A. Henckels Zwillingswerk Aktiengesellschaft
    Inventors: Wilfried Clotten, Rainer Feige
  • Scissors
    Patent number: 3979826
    Abstract: A scissors with gripper eyes of elliptical periphery disposed on the scissor handles, as well as to a method for the manufacture of such a scissors. Both of the gripper eyes are formed in the shape of hollow cylinder-inclined section-rings, which are disposed inverted with respect to each other.
    Type: Grant
    Filed: February 25, 1976
    Date of Patent: September 14, 1976
    Assignee: J.A. Henckels Zwillingswerk Aktiengesellschaft
    Inventor: Ulf Koch
  • Scissors, particularly household- or tailor-scissors
    Patent number: 3974563
    Abstract: A scissors, particularly a household- or tailor- scissors, including eyes made of synthetic material or the like arranged on handles thereof, including forks formed on the handles, the forks each defining an outwardly directed fork opening, and eye rings insertable in the forks, respectively, in the fork openings, respectively, on the handles.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: August 17, 1976
    Assignee: J.A. Henckels Zwillingswerk Aktiengesellschaft
    Inventor: Ulf Koch
  • Manicure kit
    Patent number: D258391
    Type: Grant
    Filed: June 13, 1979
    Date of Patent: February 24, 1981
    Assignee: J. A. Henckels-Zwillingswerk Aktiengesellschaft
    Inventor: Lutz Bohn
  • Scissors
    Patent number: D262937
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: February 9, 1982
    Assignee: J. A. Henckels-Zwillingswerk Aktiengesellschaft
    Inventor: Heinz-Max Huthmann