Patents Represented by Attorney John C. Cooper, III
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Patent number: 4744285Abstract: An automatic, hydraulically actuated, sequencing valve for use with a pair of hydraulic acutators (e.g. double acting hydraulic cylinders) includes a valve body having a cylindrical bore therein. Cam members at either end of the bore are engaged by pins on the ends of a cylindrical spool, thereby rotating the spool 30.degree. each time it engages one of the cam members. A third cam member incorporated into the spool alternately locks open one of a pair of check valves as said spool is pressure shifted between the two bore cam members. The third cam member operates a locking system which permits only one of the two hydraulic cylinders to operate at a time and in sequence.Type: GrantFiled: March 10, 1987Date of Patent: May 17, 1988Assignee: Applied Power Inc.Inventor: Glen T. Presley
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Patent number: 4737390Abstract: Non-slip properties are imparted to molded plastic articles by adhering a layer of latex or a latex-impregnated sheet material onto the surface of the molded article. Preferably, the latex layer is applied prior to thermoset curing of the molded article and is adhered to the thermoset article during the curing process. The plastic may be reinforced, and the latex is preferably an acrylic latex impregnated into a sheet material such as cloth or paper.Type: GrantFiled: December 12, 1985Date of Patent: April 12, 1988Assignee: Freeman Chemical CorporationInventors: Patricia A. Fricano, Howard P. Cordts
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Patent number: 4735502Abstract: A rotatable cuvette array made of PETG plastic for mixing two substances has a circular lower section with a number of circumferentially spaced cuvettes each having inner and outer compartments, both of which have upwardly diverging walls, and a ramp separating the two compartments. The edges and corners of the cuvettes are rounded to provide additional strength through increased thickness at those points. The upper section of the cuvette array is a disc having alternating opaque and transparent portions providing optic pathways through only the outer compartments of each cuvette. The upper section also includes a number of holes which provide access to each inner and outer compartment of each cuvette for filling. The upper and lower sections are separable to permit cleaning and subsequent reattachment so that each cuvette array is reusable.Type: GrantFiled: November 21, 1986Date of Patent: April 5, 1988Assignee: Medatron, Inc.Inventor: F. Kim Kaufmann
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Patent number: 4730405Abstract: A display stand for belt buckles or other articles includes an upright stand having one or more vertical display surfaces. A vertical slot is provided in the display which is adapted to receive the buckle clip of a belt buckle or a projection on any other type of article to be displayed. The display also includes a plurality of holes which extend from the display surface at an angle so that they pass through the slot. A plurality of elongate pins are provided to be inserted through the holes and the slot. An article is displayed by inserting its clip or projection into the slot and inserting a pin in the hole to secure the buckle or other article to the stand.Type: GrantFiled: January 20, 1983Date of Patent: March 15, 1988Inventor: Daniel G. Baughman
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Patent number: 4730435Abstract: An apparatus for aseptically filling and sealing preformed bags includes a carousel table supporting a number of bags along its periphery, each bag having a nozzle initially sealed by a diaphragm. As the carousel table brings an individual bag under a sterile docking unit, that unit lowers over the bag and showers the nozzle and diaphragm with HEPA filtered air to remove particulate matter and bioburden. A flash heat sterilizer sterilizes the diaphragm and the top of the nozzle and at least partially melts the diaphragm. A heat sterilized fill pipe descends, piercing the diaphragm and filling the bag. When filling is completed, the fill pipe partially withdraws, the lower portion of the pipe remaining inserted in the nozzle. A heat sealer then seals the nozzle below the tip of the pipe. The pipe completely withdraws, the sterile docking unit moves clear of the bag, and the carousel table rotates, thus moving an empty bag into position for filling.Type: GrantFiled: April 7, 1986Date of Patent: March 15, 1988Assignee: Aqua-Chem, Inc.Inventors: Richard A. Riddle, Natale J. Cerami, Deborah L. Jackman
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Patent number: 4729364Abstract: A grill, such as an outdoor charcoal or gas grill includes a conventional bottom portion having a heat generating source and a rack for supporting a food product above the heat generator. The grill includes a cover which serves to enclose an air space above the rack to permit roasting or baking of food products supported on the rack. The cover also includes an opening and a transparent panel is provided for the opening, preferably by an elongate hinge. The hinge is located at the bottom of the panel and the cover also includes an opening mechanism, whereby the upper portion of the panel may be displaced from the cover to create an opening in the vicinity of the top of the cover. The opening of the panel permits grilling or broiling of the food product, and the user of the grill, by observation of the cooking process occurring in the grill through the transparent panel can open and close the panel by desired amounts and at appropriate times to control cooking operations.Type: GrantFiled: May 15, 1987Date of Patent: March 8, 1988Assignee: Preway Industries Inc.Inventor: Donald E. Dailey
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Patent number: 4722421Abstract: A support platform includes a notch for engaging an upright member, such as a tree or utility pole, and further includes a flexible steel band that encircles the upright member and supports the platform. The band is positioned at an angle extending upwardly and rearwardly from the platform and further supported at either side of the platform with adjustment means to lengthen or shorten the band to accommodate the periphery of the upright member.Type: GrantFiled: January 8, 1987Date of Patent: February 2, 1988Assignee: Total Shooting Systems, Inc.Inventor: Thomas F. Hilbert
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Patent number: 4716843Abstract: A system for utilizing a fuel having a high ash content, water content in excess of 50% and large particles of combustibles is shown which includes a holding tank for the fuel. Fuel is circulated in the holding tank to maintain the consistency of the fuel and a metered portion is removed, strained and fed to a combustion device. The combustion device is a fire tube boiler for generating steam and includes a furnace tube insulated with refractory material extending for its entire length. The system mixes a preselected amount of atomized fuel with combustion air and natural gas. Special ash and particulate accumulation means are provided in the boiler. The boiler also has a water spraying system in its combustion chamber to reduce combustion temperature and increases water content of the combustion mixture based on the temperature of the combustion gases at the end of the furnace tube. Finally, when the boiler is shut off, the entire system, including a bypass system, may be purged by air or water.Type: GrantFiled: November 3, 1986Date of Patent: January 5, 1988Assignee: Aqua-Chem, Inc.Inventors: Philip R. Coerper, Jr., Mark G. Parish
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Patent number: 4713195Abstract: A threshold scale inhibitor for aqueous solutions containing calcium and magnesium scale forming ions comprises a mixture of three components: a maleic acid or anhydride homopolymer, an organophosphonate and a sulfonated styrene-maleic acid copolymer. Synergism results from the use of such inhibitor. The inhibitor is useful for inhibiting scale formation with seawater distillation apparatus, reverse osmosis apparatus, electrodialysis apparatus, boilers, heat exchange systems, etc. and is employed in small amounts, such as 0.1 ppm to 200 ppm.Type: GrantFiled: January 30, 1986Date of Patent: December 15, 1987Assignee: Aqua-Chem Inc.Inventor: Burnett M. Schneider
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Patent number: 4706845Abstract: A unit combining a diaper dispenser and disposal drawer is shown. The unit consists of two sections, an upper dispensing section and a lower disposal section, which provide a single unit for new and soiled diapers, as well as other supplies used in changing a baby. The upper dispensing section has a number of dividers which define vertical shafts. Diapers are placed in these shafts and are removable at the bottom thereof through adjustable slots. The slots of the upper dispensing section are adjustable by using a removable shelf. The vertical shafts are also adjustable in cross-sectional size to accomodate different sized diapers. A slidable front panel permits easy access to one or more of the vertical shafts for reloading. The bottom disposal section comprises a cabinet generally rectangular in shape with a pivoting, top-opening door. This disposal section may contain a separate bin, such as a plastic bag or bucket which is easily removed to dispose of soiled diapers and other waste.Type: GrantFiled: June 23, 1986Date of Patent: November 17, 1987Inventors: David M. Schnurer, Ellen R. Schnurer
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Patent number: 4695005Abstract: A winder for making coreless rolls of pliable sheet material, such as plastic, cloth or paper, includes a cut-off section for severing a continuous strip of feed material to the desired length and a conveyor system downstream thereof. A portion of the conveyor is pivotable between a first and second position to feed spaced-apart winding rod assemblies. The rod assemblies each include a pair of elongate, spaced-apart rods and a mechanism for rotating the pair of rods to wrap the feed material into a coreless roll. The rod assemblies also include a system for collapsing one of the two rods toward the other when the winding of the roll is completed and it is desired to dispense the coreless roll. A finger mechanism is also provided for properly orienting the pair of rods to receive the leading end of the pliable material. By employing multiple winding assemblies and the pivotable conveyor system, the speed of the winder can be substantially increased.Type: GrantFiled: May 13, 1985Date of Patent: September 22, 1987Assignee: Custom Machinery Design, Inc.Inventor: Peter J. Gietman, Jr.
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Patent number: 4667890Abstract: A winder for winding pliable material into coreless rolls includes a conveyor for bringing the material into proximity with a turret. The turret includes a plurality of spindles upon which the material is to be wound. Transfer of the material to the spindle is accomplished by a cluster of rollers which surround an individual spindle at the time of transfer. Ropes or belts pass around the rollers to assist in guiding the pliable material. An air blast also assists in the transfer. At least one of the rollers is pivotable from a first position to a second position. An empty spindle is brought into the transfer position during turret indexing. The system of the present invention also includes a collapsible spindle to facilitate removal of the finished roll. The diameter of the spindle is decreased as a push-off palm removes the roll from the spindle and is increased during retraction of the palm to prepare the spindle for attachment of the leading edge of the next roll.Type: GrantFiled: July 15, 1985Date of Patent: May 26, 1987Assignee: Custom Machinery Design, Inc.Inventor: Peter J. Gietman, Jr.
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Patent number: 4664239Abstract: A hydraulic master-slave system for clutch actuation includes a clutch sensor system to continuously detect and measure clutch position and wear. One alternate preferred embodiment comprises a resistive strip and wiper assembly coupled to an electrical control circuit to control vehicle functions dependent upon clutch position and wear. A second alternate preferred embodiment employs an optical fence and optical interrupter designed to generate quadrature output to the electrical control circuit.Type: GrantFiled: August 8, 1985Date of Patent: May 12, 1987Assignee: Applied Power Inc.Inventors: Randall A. Symes, Richard J. Zablocki
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Patent number: 4659305Abstract: A flue gas recirculation system for fire tube boilers includes a duct connected to the boiler gas discharge stack and to a fan. Another duct couples the fan to a specially designed burner in the boiler. Recirculated flue gas is injected downstream of the fuel/air mixture in the burner and cools the flame leading to substantially reduce the NO.sub.x content in the boiler stack emissions. The burner includes conventional damper and air diffuser systems and a plurality of openings near the inner end of the burner housing, through which the boiler fuel is admitted and mixed with the air. A plurality of slots are formed at the outlet end of the burner, the slots being coupled to an annular chamber surrounding the burner. The duct from the recirculation fan is coupled to such annular chamber. Recirculation of between about fifteen to twenty percent of the flue gas in the above-described device can result in NO.sub.Type: GrantFiled: December 30, 1985Date of Patent: April 21, 1987Assignee: Aqua-Chem, Inc.Inventors: Peter K. Nelson, Elroy M. Rulseh
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Patent number: 4656979Abstract: An in the tank fuel line heating system for heating the fuel as it is removed from the tank includes a fuel outlet conduit communicating with the port in the tank and extending downwardly into the tank to a point substantially near the bottom of the tank. A coolant circulating conduit is located adjacent the fuel outlet conduit and serves to transfer heat from the engine heated coolant to the fuel in the fuel outlet conduit. A fuel return conduit is provided adjacent the fuel outlet conduit and serves to transfer heat from the unused fuel returning to the tank to the fuel exiting the tank in the fuel outlet conduit. The coolant circulating conduit is provided with an extension that extends along the bottom of the tank and prevents ice build-up in the area.Type: GrantFiled: September 9, 1985Date of Patent: April 14, 1987Inventor: Milan C. Hogenson
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Patent number: 4651654Abstract: An incinerator for burning waste material includes an outer steel housing having a refractory liner that defines a combustion chamber. A series of channels are secured to the inner surface of the housing and provide vertical air flow passages. The lower ends of the passages are open to the atmosphere, while the upper ends are connected to a plenum and air is drawn through the passages by a blower to thereby preheat the air and cool the outer housing. A portion of the preheated air is directed to the stack for secondary combustion purposes, while a second portion of the preheated air is returned through vertical passages in the end of the housing to a pair of lower plenums and then introduced into the lower end of the combustion chamber for primary combustion purposes. The incinerator also has an improved feed assembly for feeding waste material to the combustion chamber, which includes a hopper, a triple hydraulic cylinder and a ram movable within the hopper.Type: GrantFiled: October 24, 1984Date of Patent: March 24, 1987Assignee: Aqua-Chem, Inc.Inventors: Kjell I. Erlandsson, Mark A. DiFonzo, Peter Howald
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Patent number: 4644838Abstract: A method and apparatus for cutting articles such as potatoes into helical strips wherein the potato is held against rotation and aligned by a plurality of fingers and moved longitudinally against a rapidly rotating cutting head. The cutting head may include a hollow central cutting tube mounted at its axis of rotation. A feed mechanism is provided to feed potatoes to the holder for cutting and automatic sensing and sequencing control system controls the loading and feeding of potatoes. A plurality of holding and cutting mechanisms can be simultaneously fed and operated by the control system.Type: GrantFiled: September 18, 1984Date of Patent: February 24, 1987Assignee: Rogers Walla-Walla, Inc.Inventors: Dennis J. Samson, George R. Alcorn
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Patent number: 4642084Abstract: A machine for making plastic bags, such as trash or garbage bags, includes a rotary sealing drum of variable diameter, the drum including one or more sealing bars for cross-sealing a flattened plastic film tube passing through the machine. A blanket tensioning system surrounds the drum and is adjustable to compensate for different drum diameters. The sealed film passes over a chill roll after leaving the drum-blanket assembly and is drawn over folding boards by pull rolls. The sealed and folded film is then perforated by a fly knife and is preferably also cut on the sides to produce a connected series of bags which may easily be separated from one another to make the bags suitable for easy dispensing packages. A variator assembly may also be provided to insure a proper skirt length between the cut-perforation and the bag seal.Type: GrantFiled: November 1, 1985Date of Patent: February 10, 1987Assignee: Custom Machinery Design, Inc.Inventor: Peter J. Gietman, Jr.
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Patent number: 4624095Abstract: A folder for sheets of pliable material, including bags, includes sets of conveying ropes and rollers to move the sheet from in-feed to discharge. One or more folding stations are provided, each of which includes a pneumatically-operated anvil with air holes which serves to create a fold in the material and change its direction of movement through the conveyor system. The final size of the product is determined by the number of folding steps employed. Control of the location of the fold, and hence the quality of the product is accomplished by control of the conveyor speed. An interrupt section is provided so that individual sheets of pliable material can be removed from perforated strips, e.g., in this production of garbage bags. Folded product is discharged into a pair of receiving trays, from which the product can be loaded into boxes or other packaging.Type: GrantFiled: May 22, 1985Date of Patent: November 25, 1986Assignee: Custom Machinery Design, Inc.Inventor: Peter J. Gietman, Jr.
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Patent number: D294264Type: GrantFiled: August 29, 1985Date of Patent: February 16, 1988Assignee: Harley-Davidson, Inc.Inventors: William G. Davidson, Louis N. Netz