Patents Assigned to Hykon-Patent Aktiebolag
  • Valve with roller
    Patent number: 4019529
    Abstract: This invention relates to a valve having a valve member in the form of a roller supported by a roller support such that the roller when moved to closed position is forced against a valve seat and such that inlet pressure in said valve aids in maintaining said roller in a tight closed position, said valve preferably comprising a tubular valve housing having an axial inlet and a peripheral outlet.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: April 26, 1977
    Assignee: Hykon-Patent Aktiebolag
    Inventors: Per Torsten Faxen, Frans Harry Karlsson
  • Flushing and refilling apparatuses
    Patent number: 4011605
    Abstract: A flushing and refilling apparatus for use in a flushing cistern includes flushing and refilling valves, an overflow member and a common support having quick release coupling means for easy mounting and dismounting of said apparatus and said overflow member as a unit of assembled parts.
    Type: Grant
    Filed: December 12, 1974
    Date of Patent: March 15, 1977
    Assignee: Hykon-Patent Aktiebolag
    Inventors: Frans Harry Karlsson, Per Torsten Faxen
  • Flushing and refilling apparatus
    Patent number: 3969774
    Abstract: A flushing and refilling apparatus for use in a flushing cistern includes flushing and refilling valves, an overflow member and a common support having quick release coupling means for easy mounting and dismounting of said apparatus and said overflow member as a unit of assembled parts.
    Type: Grant
    Filed: December 12, 1974
    Date of Patent: July 20, 1976
    Assignee: Hykon-Patent Aktiebolag
    Inventor: Frans Harry Karlsson
  • Flushing cistern
    Patent number: 3934276
    Abstract: This invention provides an improved valve closing means for a refilling valve in flushing cisterns equipped with an overflow and refilling and flushing valves adapted to be opened by a lift stem, said valve closing means being mounted in said overflow and movable to an upper position for opening said valves by means of said lift stem and to a lower position for abrupt closure of the refilling valve by water flowing into the overflow when the cistern is refilled.
    Type: Grant
    Filed: May 21, 1973
    Date of Patent: January 27, 1976
    Assignee: Hykon-Patent Aktiebolag
    Inventors: Frans Harry Karlsson, Per Torsten Faxen