Abstract: A fire fighting trainer for use in training fire fighters about a ceiling rollover fire. This trainer includes a chamber with a ceiling and includes a burner head subassembly and includes a burner control subassembly. The burner head subassembly has a fuel gas inlet pipe and an adjacent combustion air inlet pipe to produce an air/gas mixture which creates a flame at the ceiling. The burner control subassembly selectively increases the fuel gas flow to make the produced flame have a ceiling rollover effect.
March 25, 1994
Date of Patent:
May 21, 1996
Symtron Systems, Inc.
Steven Luftig, James Ernst, Patrick Connelly, Steven Williamson
Abstract: The invention relates to a ball pitching machine having a ball feed means for feeding balls to a feeding point where they will be acted upon by rotating drive wheels, a plurality of at least two drive wheels having planes and axes of rotation, said axes of rotation being perpendicular to said planes, said wheels being disposed about said feeding point so as to simultaneously act on a fed ball imparting to the fed ball spin and a forward velocity and trajectory, outwardly away from the feeding point in a direction initially perpendicular to the axes of rotation and in the plane of the wheels. The rotating means is constructed for rotating each drive wheel independent of other drive wheels at a plurality of preselected rotational speeds thereby effecting a type of pitched ball having a predetermined trajectory. A tilting means is provided for altering the trajectory, upwardly or downwardly, in a vertical plane, coplaner with the plane of the drive wheels.
Abstract: A flashing product (10) being an elongated flashing strip (20) made of resilient material having a member or members (21) attached to one marginal edge portion (22) of the flashing strip and extending in the direction of elongation thereof. The member or members (21) each being a metal strip having slits or slots (23, 24) formed therein extending from opposite edges of the metal strip (21) in a direction across the direction of elongation so that the metal strip or strips may be non-resiliently stretched in the direction of elongation and when so stretched is capable of maintaining the marginal edge portion of the resilient material correspondingly stretched.
Abstract: A fire fighting trainer for use in training fire fighters to extinguish jet crash fuel fires and the like, the trainer includes a supply pipe and control valve, a distribution pipe with holes, an open tank with a diffuser being a mixture of water and gravel within which the distribution pipe is disposed, so that liquid propane jets out from the holes, then passes as vapor bubbles to the diffuser surface, then collects as propane vapor on the surface, and a gas pilot flame device for lighting the propane vapor to form flames on the diffuser surface. The simulated flames look very similar to jet crash liquid fuel flames.
January 22, 1993
Date of Patent:
May 2, 1995
Symtron Systems, Inc.
William Rogers, James J. Ernst, Steven Williamson, Dominick J. Musto
Abstract: A heat exchanger inner spiral ribbed tube and method of manufacture therefor for use in making a refrigerator condenser or a refrigerator evaporator. The tube has an annular wall having an inner surface. The inner surface has a plurality of inner spiral ribs, each having a spiral angle. The spiral angle is between 0 degrees and 90 degrees; and is 45 degrees in the described embodiment. The tube making method includes the steps of swaging a plain plate between a plain roller and a grooved roller to make a ribbed plate; then seam welding the plate at the longitudinal adjacent edges thereof to make the inner spiral ribbed tube.
Abstract: A deer repellent device and method for warding off a deer from a shrub or plant. The device is an assembly of a deer repellent formulation and a support medium for the formulation. The support medium is a length of rope or a volume of clay granules, the rope, as treated, can be strung around shrubs or along plants. The clay medium, as treated, can be placed under and around a shrub or plant.
Abstract: A seal device for providing a weather seal between an elongated member such as a pipe, and a surface, such as a roof of a building, through which the pipe extends. The seal device has an apertured base member of resilient material with one end in contact with the roof and the opposite end with an aperture through which the pipe extends. The base member has a sleeve of resilient material integral and projecting from one surface thereof and includes the aperture on the opposite end of the sleeve. A rib formed integral with the sleeve and base member projecting outwardly from the external surface thereof. The rib extends generally down the length of the sleeve and across the base member whereby in use the wall of the sleeve and base member may be slit adjacent to and for the full length of the rib to permit opening of the sleeve and base member to allow fitting around the pipe. The rib has clamp means for holding it closed.
Abstract: This invention relates to methods for transmitting and receiving high resolution television pictures which utilizes the present channel bandwidths and is compatible with present day receivers. Four fields are utilized to produce two interlaced frames. The camera is adjusted so that each scene is converted into four fields of two frames and a signal is sent to inform the receiver to interlace the two frames. Compatibility is obtained since in a 525 line receiver two of the fields are displayed on top of the other two fields.
Abstract: A toilet apparatus for use in conserving water is provided. The toilet apparatus includes a toilet tank for water, a conventional fluid supply valve, a low volume discharge valve, and a high volume discharge valve. A first embodiment has a housing having a portion extending through the bottom wall of the toilet tank. A high volume discharge valve is connected to the housing near its bottom end for nearly 100 percent fluid discharge. A low volume discharge valve is connected to the housing near its to end for about 40 percent volume fluid discharge. A handle subassembly having a handle and bent rod and chain for each discharge valve is included. Second, third and fourth embodiments include a toilet tank having an interior partition separating a first compartment from a second compartment. The partition has a gate opening with a gate door.
Abstract: A nail clipper 10 having a front chamber 16 and a rear chamber 17 for holding nail clippings is provided. The nail clipper includes a container 12 and a resilient plate 13 connected together at one end of the clipper by a rivet 15. The container 12 has an upturned cutting edge 18, and the plate 13 has a downturned cutting edge 19 at the other end of the clipper. A lever 24 has a heel portion and a bent end 25 with a shaft portion 26. A post 27 is mounted on the container and extends through the plate 13 and has groove 28 which receives the shaft portion for operating the plate 13 and causing the cutting edge 18, 19 to coact. The front chamber 16 has a front opening 37 between the cutting edges, when open, for removing clippings from the front chamber 16. The rear chamber 17 has a rear opening 38, when open, for removing clippings from the rear chamber 17.
Abstract: A filter device having a cleanable filter element for use in an oil burner system is provided. The filter device has a housing having a chamber with inlet and outlet passages and has a filter element made of stainless steel cleanable wire woven mesh. The filter element has nylon end caps and divides the chamber into an outer annular inlet space and an inner central outlet space. The filter element end cap configuration allows the filter to be used in many different housings since the end cap has a number of specific, calculated, mating surfaces to receive each housing contact surface. A helical compression spring disposed within the filter element applies radial outward forces on the sides of the mesh cylinder to prevent collapsing of the filter element due to differential pressure caused by dirt accumulation.
Abstract: The disclosed invention is an apparatus and process for the distillation of liquids. The apparatus is comprised of a plurality of vertically stacked parallel disks which are rotated in a horizontal plane. The liquid to be distilled is introduced into the center of the disk stack and migrates by centrifugal force as a thin film across the top surface of each disk. During migration, the more volatile portion evaporates from the top surface and condenses on the bottom surface of a top, neighboring disk. The apparatus is multiple-effect in that the heat evolved from condensation is transferred through the thin, heat-conducting disks to provide the heat necessary for vaporization.
Abstract: A histological tissue freezing process is provided. The process includes an aerosol can with an adjustable flow rate spray unit for spraying a chemical, monochlorodifluoromethane, onto a portion of a histological tissue specimen before sectioning thereof. The use of monochlorodifluoromethane has the dual advantage reducing ozone depletion and producing a colder spray. The spray means has a horizontal hinged spray bar with a passage with a spray outlet and has a horizontal hinged actuator plate with a trigger for slightly turning the actuator plate unit and spray bar. A tube has a passage connecting to the spray bar passage. The tube has an upper end coupled to the spray bar and an intermediate end extending through a can upper wall and a lower end disposed inside the can. The tube lower end has an adjustable orifice opening. The tube also has a latching unit, a compression spring, and seal ring.
Abstract: A golf training apparatus which is adjustable to suit the height and arm length and body tilt angle and shoulder angle of a specific golfer is provided. The apparatus has a shoulder guide and hand guide unit and a pendulum type visual unit for setting the timing of a golf swing. The shoulder guide and hand guide unit has seven different adjustable subassemblies. The apparatus is adjusted and is set for each different golfer to assure that the golf swing of a sepcific golfer is always repeated in the exact same way. The body tilt angle and swing axis of the golfer is the same at each practice session, when set for the specific golfer.
Abstract: A disc container assembly is provided for storing and filing a compact digital audio disc, or the like. The assembly includes container, and an identifier connected thereto. The container has a rear wall with an inner cylindrical recess for holding the disc. The container has top and bottom walls and left and right side walls. The container has a front door, which has top and bottom flanges that respectively overlap the top and bottom walls. The top wall has a pair of cutouts and the top flange has a pair of holes respectively overlapping the cutouts. The identifier has a longitudinal portion, which has indicia identifying the disc, and has a pair of tapered inserts with pointed ends with beveled edges for insertion in and receival by the respective openings.
Abstract: A deer repellent formulation for warding off a deer from a plant is provided. The deer repellent formulation includes, a volume of water; 12 fluid ounces of thiram in a water solution of 42% by volume of thiram, per gallon of the water; 2 whole chicken eggs per gallon of water; 2 ounces by volume of liquid hot sauce per gallon of water; green color dye in a sufficient quantity per gallon of the water to provide a plant-like green color of the formulation; and a liquid adhesive in sufficient quantity per gallon of the water to provide a desired stickiness on plants of the formulation.
Abstract: A finned heat exchange tube is made from a refractory metal such as titanium, titanium alloy, stainless steel, and iron-nickel alloy containing more than 10% nickel, by rolling into the outer surface of a tube of said metal integral fins having a low fin height of less than 0.045 inch (preferably less than 0.033 inch in titanium and less than 0.045 inch for stainless and the iron-nickel alloys), a high fin density of at least 26 fins per inch of tube length (preferably from 27 to 30 fins per inch), and a high fin surface area per unit length of tube which is at least 2.4 times greater than the comparable surface area of the tube prior to finning. The thickness of the tube wall underneath the finned area preferably is made less than the height of the fins.