Patents Examined by Hadd Lane
  • Patent number: 4072253
    Abstract: A rotary feeder is disclosed for feeding abrasive materials at high temperatures up to about 2300.degree. F. Each of the rotor and stator have preformed refractory inserts removably retained in position without separate fasteners being used. The inserts are preferably preformed with a camber to facilitate spring-like retention thereof.
    Type: Grant
    Filed: January 26, 1976
    Date of Patent: February 7, 1978
    Assignee: Ecolaire Incorporated
    Inventor: Thomas Walters, Jr.
  • Patent number: 4065030
    Abstract: An apparatus for metering particles containing lignocellulose employs a measuring and control unit. This unit compensates volumetric fluctuations in the bulk density of particles in a metering tank moving at constant speed, through the use of radioactive detection.
    Type: Grant
    Filed: May 20, 1976
    Date of Patent: December 27, 1977
    Assignee: Bison-werke Bahre & Greten GmbH & Co. KG
    Inventor: Berndt Greten
  • Patent number: 4062220
    Abstract: A system for accurately mixing two or more liquids and for dispensing the mixture. The system is generally adapted for use in paint spraying operations. The flow of one of the components is accurately measured by means of a flow meter and the measured value provides a signal to control a valve which, in turn, controls the flow of the other liquid. Periodically the volume of the first mentioned liquid is measured for a given time period so as to make necessary adjustments in the flow meter-valve interconnection. An improved arrangement is provided for purging a mixing manifold immediately prior to the completion of the dispensing cycle so that none of the mixture will be wasted. The control arrangement includes improved air operated two and three-way valves.
    Type: Grant
    Filed: July 9, 1976
    Date of Patent: December 13, 1977
    Assignee: Dominion Tool & Die Co., Inc.
    Inventors: Frank Taube, Lawrence Lawson
  • Patent number: 4062472
    Abstract: A system for accurately mixing two or more liquids and for dispensing the mixture. The system is generally adapted for use in paint spraying operations. The flow of one of the components is accurately measured by means of a flow meter and the measured value provides a signal to control a valve which, in turn, controls the flow of the other liquid. Periodically the volume of the first mentioned liquid is measured for a given time period so as to make necessary adjustments in the flow meter-valve interconnection. An improved arrangement is provided for purging a mixing manifold immediately prior to the completion of the dispensing cycle so that none of the mixture will be wasted. The control arrangement includes improved air operated two and three-way valves.
    Type: Grant
    Filed: July 9, 1976
    Date of Patent: December 13, 1977
    Assignee: Dominion Tool & Die Co., Inc.
    Inventor: Frank Taube
  • Patent number: 4062480
    Abstract: A valve arrangement constructed so that it will draw back a limited amount of fluid from the outlet of the fluid dispenser when the valve is changed from the flow to the no-flow condition.
    Type: Grant
    Filed: March 15, 1975
    Date of Patent: December 13, 1977
    Inventor: Curt Arnold Bjorklund
  • Patent number: 4061255
    Abstract: The following specification teaches a drip controlling spout with a downwardly oriented opening. The rim of the upper leading edge projects below the rim of the under or trailing edge, so that liquid flowing through the spout will fall off the upper projecting rim avoiding drips down the neck of the spout.
    Type: Grant
    Filed: September 23, 1976
    Date of Patent: December 6, 1977
    Inventor: Thomas R. Davies
  • Patent number: 4059929
    Abstract: A system for supplying an abrasive-containing liquid to a lapping or polishing machine includes a supply of abrasive slurry concentrate containing abrasive grain which is suspended in a liquid, a supply of diluent liquid which is essentially free from solids, and a mixing chamber positioned relatively close to a desired work surface. The slurry concentrate and diluent are separately conveyed under pressure to the mixing chamber to develop a diluted slurry concentrate which is sufficiently diluted to permit settling out of the abrasive grain. The diluted slurry is then supplied to the work surface.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: November 29, 1977
    Assignee: Chemical-Ways Corporation
    Inventor: David C. Bishop
  • Patent number: 4060184
    Abstract: This disclosure pertains to a container having a self closing inexpensive valve located in the lowermost extremities thereof. The valve comprises a pair of resilient sheets having a portion of their surfaces biased in touching engagement by the manner in which the sheets are formed and mounted, and by the pressure exerted on opposed surfaces supplied by the liquid within the container. An elongated rod hingably secured to the container forces the valve-like surfaces into an open position permitting the liquid within the container to be dispensed, utilizing gravity therefor. Removal of the rod from between the valve faces permits the valve to close terminating the liquid discharge.
    Type: Grant
    Filed: May 4, 1976
    Date of Patent: November 29, 1977
    Inventor: Thomas O'Neil, Sr.
  • Patent number: 4058921
    Abstract: A handheld firearm such as a standard revolver is adapted to dispense a debilitating chemical substance through the butt end. Accordingly, modification in the hollow shank of a revolver between the paired wooden grips has mounted therein a small cannister of a debilitating chemical, such as Chemical Mace or teargas, under pressure. The cannister includes a valve and a nozzle at the open end which points through an aperture in the butt end of the shank and is reciprocally movable towards and away from the aperture in the shank. The grip is modified with an aperture which is recessed from the normal handling surface of the weapon. The recessed aperture is positioned under preferably the second or third finger and may be actuated by the digit moving inwardly to depress a reciprocating spring-loaded button in the indentation. Upon depression of the button, the cannister is moved towards the butt end to operate the nozzle causing the chemical to be discharged.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: November 22, 1977
    Inventor: Neil E. Mason
  • Patent number: 4059205
    Abstract: A rotary valve which is particularly useful in handling foodstuff or materials which will not tolerate cross-batch contamination, said valve including a housing having an inlet and an outlet which may be connected to a pneumatic conveying duct or the like, and having an access open end, a detachable closure mounted on said housing for closing said opening and, a drive shaft journalled in said housing having a free end disposed between said inlet and outlet, adjacent said closure, a rotor mounted on the free end of said shaft having an annular surface engageable with said housing, said annular surface having at least one recess communicable with said inlet and outlet by rotating the drive shaft for conveying material from said inlet to said outlet, a first axial seal disposed between said housing and said rotor, and a second axial seal disposed between said rotor and said closure, in substantial longitudinal alignment with said first axial seal.
    Type: Grant
    Filed: April 16, 1976
    Date of Patent: November 22, 1977
    Assignee: The Young Industries, Inc.
    Inventor: Robert D. Heyl
  • Patent number: 4058238
    Abstract: The present invention provides an arrangement for successively delivering measured quantities of selected fluid material from a container where the fluid material can include liquids or free flowing granular materials and the device includes a cap member adapted for connection to the container for the fluid where the cap member has at least one cooperative opening means therein: first chamber means carried by the cap means to be disposed within the container defined by spaced sidewalls extending laterally from the bottom of the cap means in generally parallel relation and endwall means extending between the sidewalls and around a portion of the periphery of the sidewalls where the endwall and sidewall means are adapted to provide a first opening from the chamber communicating with the container and a second opening communicating with the opening of the cap means to provide for admission of fluid to the chamber and emission of fluid from the chamber, first moveable closure means to selectively cover the first
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: November 15, 1977
    Inventor: Ronald E. Eckman
  • Patent number: 4057175
    Abstract: A serving container for liquids or pourable materials contained in cardboard packages comprising a base portion and a sleeve inserted into the base portion and fitted over the package. The sleeve is provided with a lid having tubes of differing diameters extending into the interior of the container for pouring from the container and for venting the container. The sleeve has dimensions smaller than the package for exerting exterior local pressure on the package.
    Type: Grant
    Filed: March 11, 1976
    Date of Patent: November 8, 1977
    Inventor: Hans Kessler
  • Patent number: 4057177
    Abstract: A valved squeeze bottle for viscous products has a valve comprising two plastic parts cooperatively forming a chamber into which the viscous product can be squeezed by squeezing the squeeze bottle, to elastically separate the parts which together form a sleeve valve opened by the separation of the parts and which recloses when the bottle squeeze pressure is released so the parts return, one of the parts forming a check valve permitting entrance of air into the bottle. The squeeze bottle and the valve parts are made of elastically deformable plastic which after being deformed, springs back to its original shape.
    Type: Grant
    Filed: January 18, 1977
    Date of Patent: November 8, 1977
    Inventor: Robert H. Laauwe
  • Patent number: 4057173
    Abstract: An electrical control system for an automatic metering valve delivering a preset quantity of water and having a housing for the valve, a rotary impeller disposed within the housing and rotatable at a velocity in accordance with the rate of delivery of the water, and an automatic shut-off mechanism for turning-off the valve when the preset quantity of water has been delivered.
    Type: Grant
    Filed: April 6, 1976
    Date of Patent: November 8, 1977
    Inventor: Aharon Tal
  • Patent number: 4055278
    Abstract: A dispensing shower head is disclosed comprising an enclosure adapted to be connected to a water supply, the enclosure having a container therein carrying a cartridge which may be rotated to present different bath preparations to a stream of water passing through a flow path in the enclosure and out of a shower head opening in one end of the enclosure.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: October 25, 1977
    Assignee: Lawrence Peska, Associates, Inc.
    Inventor: Joseph A. Seymour
  • Patent number: 4055276
    Abstract: A container for the storage, shipping and dispensing of hydrogen isotopes such as hydrogen, deuterium, tritium, or mixtures of the same which has compactness, which is safe against fracture or accident, and which is reusable. The container consists of an outer housing with suitable inlet and outlet openings and electrical feed elements, the housing containing an activated sorber material in the form, for example, of titanium sponge or an activated zirconium aluminate cartridge. The gas to be stored is introduced into the chamber under conditions of heat and vacuum and will be retained in the sorber material. Subsequently, it may be released by heating the unit to drive off the stored gas at desired rates.
    Type: Grant
    Filed: January 16, 1975
    Date of Patent: October 25, 1977
    Assignee: KMS Fusion, Inc.
    Inventor: David E. Solomon
  • Patent number: 4051984
    Abstract: The invention relates to a closure which can be fitted to a container and which has an opening to enable the contents of a container to be poured therefrom, the closure comprising an end wall portion, a peripheral wall portion extending from one side of the end wall portion, a wall spaced from the peripheral wall portion and extending from the end wall portion, a drain communicating between the wall portion, means for attaching the cover to a container, a pouring opening in the peripheral wall portion, an aperture in said spaced wall aligned with the pouring opening and having a cross-sectional area less than that of the pouring opening, and a manually movable closure member which can be moved between a position in which it closes the aperture and a position in which the aperture is open.
    Type: Grant
    Filed: October 14, 1976
    Date of Patent: October 4, 1977
    Assignee: Marigold Enterprises Ltd.
    Inventor: Hoi Ho
  • Patent number: 4051982
    Abstract: A unit for transferring a charge of air under pressure from a reservoir or accumulator to a container of dispensable or flowable material of granular or like nature. The unit is in the form of a hollow body having at one end a flange for connection to the reservoir, at its other end an inlet for receiving air under pressure, at one side a flange for connection to the container and an interior piston-valve operative first to enable charging of the reservoir with a large volume of air under pressure and second to release the reservoir air rapidly into the container.
    Type: Grant
    Filed: September 29, 1976
    Date of Patent: October 4, 1977
    Assignee: Martin Engineering Company
    Inventor: Harold M. Stetson
  • Patent number: 4044920
    Abstract: Apparatus is provided for precisely measuring the weight of even large amounts of feed stored in bulk feed storage bins. This apparatus includes a number of electrical load cells supported upon a foundation. The weight of the bulk feed bins and any feed contained therein is, in turn, supported upon the load cells by bin support legs. If desired, an interconnecting platform can be provided to support a number of feed bins and their legs upon several cells. In response to weight-induced deformation of a load cell element, electrical signals are transmitted to electrical processing circuitry. This circuitry can provide a display of the weight of feed remaining in the bin, the number of feedings remaining in the bin at a given weight increment of feed, the presence or absence of a minimal amount of feed within the bin, and other data.
    Type: Grant
    Filed: February 2, 1976
    Date of Patent: August 30, 1977
    Assignee: Chore-Time Equipment, Inc.
    Inventor: Ray E. Swartzendruber
  • Patent number: 4044921
    Abstract: An improved sand bag filling apparatus comprising a hopper having rotatable longitudinal members with radially extending arm members that fluff the sand in the hopper as the longitudinal members are rotated. A powered conveyor belt receives sand from the hopper and moves the sand to a conveyor discharge end whereat is disposed a bag chute. The bag chute has a pivotable nozzle that cooperates with a switch to actuate the conveyor belt when the dispensing nozzle is pivoted in a sand delivery direction.
    Type: Grant
    Filed: April 12, 1976
    Date of Patent: August 30, 1977
    Inventor: Warren R. Caverly