Patents Assigned to Cook International, Inc.
  • Patent number: 4544086
    Abstract: An automatic and adjustable valving mechanism in which a spray of pressurized fluid from an aerosol can, is released in intermittent sprays occurring in cycles of adjustable length. The valving mechanism consists of a body having an actuating bar mounted on drive rods which can be latched in an elevated position by a latch plate. Contact between the actuating bar and the nozzle of a pressure source, such as an aerosol can, releases pressurized fluid from the aerosol can into a first internal chamber of the valving mechanism. The pressurized fluid acts upon a diaphragm to force hydraulic fluid from the first chamber into a second chamber, which raises a piston which, in turn, raises the rods supporting the actuating bar, to terminate the discharge of the pressurized fluid from the aerosol can.
    Type: Grant
    Filed: April 15, 1983
    Date of Patent: October 1, 1985
    Assignee: Cook International, Inc.
    Inventors: James J. Hill, Al Marven
  • Patent number: 4501409
    Abstract: A tilt valve for an aerosol can is constructed so that it can be actuated only by transverse tilting forces. An output valve stem assembly is sealed to a valve housing whose inlet communicates with the interior of the aerosol can. A tilt element is biased against the bottom of the output valve assembly so as to seal the interior of the valve housing. A barrel-shaped spring is used to bias the tilt element so that the resistance of the output stem to tilting, and the stroke required for actuation, are reduced. The input stem and the bottom of the tilt element provide a secondary valve which is closed upon the output stem being subject to downward axial forces. Therefore, only transverse forces provided by an automatic actuating device can be used to actuate the tilt valve assembly.
    Type: Grant
    Filed: November 18, 1982
    Date of Patent: February 26, 1985
    Assignee: Cook International, Inc.
    Inventors: James J. Hill, Al Marven
  • Patent number: 4469255
    Abstract: An automatic and adjustable valving mechanism is disclosed in which a spray of pressurized fluid from a pressurized source having a pressure release gate, such as an aerosol can, is released in intermittent sprays occurring in cycles of adjustable length. The valving mechanism consists of a body having an actuating bar mounted on drive rods which can be latched in an elevated position by a latch plate. Contact between the actuating bar and the nozzle of a pressure source, such as an aerosol can, releases pressurized fluid from the aerosol can into a first internal chamber of the valving mechanism. The pressurized fluid acts upon a diaphragm to force hydraulic fluid from a first chamber into a second chamber, which has the effect of raising a piston which, in turn, raises the rods supporting the actuating bar, so that the discharge of the pressurize fluid from the nozzle of the aerosol can is terminated.
    Type: Grant
    Filed: November 19, 1982
    Date of Patent: September 4, 1984
    Assignee: Cook International, Inc.
    Inventors: James J. Hill, Al Marven
  • Patent number: D278419
    Type: Grant
    Filed: April 20, 1983
    Date of Patent: April 16, 1985
    Assignee: Cook International, Inc.
    Inventor: James J. Hill