Patents Assigned to F C Frost Limited
  • Patent number: 5988440
    Abstract: Liquid soap dispenser for sensing the presence of a user's hands in the vicinity of a nozzle (6), and dispensing soap through the nozzle (6) in response to the detection of the user's hands. The dispenser includes a cylinder (10) and a plunger (21) within the cylinder (10), a magnetic core (12) coupled to the cylinder (10) or the plunger (21), and a solenoid (14) which is activated in response to the detection of a user's hands to cause relative movement of the plunger (21) within the cylinder (10) to dispense the soap. Preferably a plurality of dispensers are connected to a single reservoir of liquid soap.
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: November 23, 1999
    Assignee: F C Frost Limited
    Inventors: Peter Saunders, William Start, Frederick Charles Frost
  • Patent number: 5599421
    Abstract: A disposal unit for sanitary towels comprises a housing (100) which supports a bag (1) for receiving the used towels. A door (4) is mounted to the housing, in use the door being opened for access to the bag. The unit includes a heat sealing device (8) operable when the door is in the closed position to seal hermetically the mouth of the bag. The door may be pivotally mounted at its lower edge to the housing in which case the means for supporting the bag are arranged to support the bag with the mouth of the bag located towards the top of the door. A control circuit may activate the heat sealing device for a predetermined period of time and also activate a solenoid which locks the door closed.
    Type: Grant
    Filed: August 10, 1994
    Date of Patent: February 4, 1997
    Assignee: F C Frost Limited
    Inventors: Frederick C. Frost, Edward T. Williams, Peter Saunders