Patents Represented by Attorney Harry W. Hargis, III
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Patent number: 4212584Abstract: An inclined conveyor for lowering uniformly spaced, cylindrical articles comprises a pair of inclined rails, paired pivotal rockers and fingers disposed along the inclined rails, and a pair of drawbars for sequentially pivoting the inclined pairs of rockers and fingers. The paired pivotal rockers and fingers are so cooperably disposed as to define a series of article receiving pockets accommodating controlled gravitational movement of the articles along the rails, as the rockers and fingers are sequentially pivoted by the drawbars.Type: GrantFiled: October 25, 1978Date of Patent: July 15, 1980Assignee: American Can CompanyInventor: Donald O. Johnson
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Patent number: 4211326Abstract: A blister package of the push-through type comprises a thermoformed blister portion made of a laminate sealed to a foil sheet. One of the laminae, prior to thermoforming, has been fluid compression rolled from a sheet to about one third of its original thickness affording a degree of orientation enhancing its moisture barrier properties, clarity, and strength in the thermoformed state.Type: GrantFiled: October 10, 1978Date of Patent: July 8, 1980Assignee: American Can CompanyInventors: Carl C. Hein, Harold K. Silver, Joseph J. Spitz, Donald W. Seidler
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Patent number: 4173823Abstract: In the fabrication of a resistance heater for a carton for packaging a pizza, an aluminum metallized sheet is adhered to a paperboard panel, a generally U-shaped strip of arc-sprayed zinc is applied to three edge portions of the upwardly facing electrically conductive metal layer of the metallized sheet, the interconnecting portion of the U-shaped strip and the immediately underlying metal layer are severed, and the metal layer is severed along a line extending adjacent the same interconnecting portion to the side thereof enclosed by the U-shaped strip, so that each of the severed sections of the interconnecting portion serves as a terminal for a corresponding leg portion of the U-shaped strip comprising the electrodes for the intermediate region of the metallized sheet.Type: GrantFiled: June 23, 1978Date of Patent: November 13, 1979Assignee: American Can CompanyInventors: Thomas L. Anderson, Glenn A. Rasmussen, Gerald J. Van Handel
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Patent number: 4172915Abstract: A hermetically sealed pouch encloses both a porous mass of material of relatively low heat conductivity and a charge of a gas having a coefficient of thermal conductivity lower than that of air and thoroughly permeating the porous mass of material. The pouch is constructed of confronting sheets of multi-ply laminate material sealed along free edge portions thereof, and comprising an inwardly facing sealing layer of 15 pounds per ream low density polyethylene, a layer of 0.5 pounds per ream vinyl primer, a layer of 0.35 mil aluminum foil, a layer of 9 pounds per ream white low density polyethylene, and an outwardly facing layer of polymeric material selected from the group consisting of polyester and oriented polypropylene.Type: GrantFiled: July 31, 1978Date of Patent: October 30, 1979Assignee: American Can CompanyInventors: Nicholas Sheptak, James E. Dewine
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Patent number: 4170325Abstract: A dispensing carton for relatively flat, rectangular articles comprises elongate side walls of generally rectangular disposition closed by end walls. Dimensions of the side walls are such that the articles in stacked array assume an angular disposition in the carton. An endmost article is presented at and partially protrudes through a dispensing slot provided in a side wall of the carton. Removal of the article through the slot permits the succeeding adjacent article to drop and tilt into position partially protruding through the slot.Type: GrantFiled: June 20, 1978Date of Patent: October 9, 1979Assignee: American Can CompanyInventors: Thomas D. Pawlowski, George L. Meyers
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Patent number: 4152236Abstract: Zinc or iron sacrificial anodes, or the cathodic current from a DC current source applied through a platinum electrode, provide stainless steel protection from pitting corrosion particularly in the interior of long narrow stainless steel tubes exposed to hot concentrated chloride brine. The invention is characterized by the placing of an anode in a brine solution near one end and electrically connected to a stainless steel tube, thereby protecting the interior of the stainless steel tube along its entire length from pitting corrosion by the brine.Type: GrantFiled: August 5, 1977Date of Patent: May 1, 1979Assignee: American Can CompanyInventors: Ronald E. Beese, Niranjan M. Parikh
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Patent number: 4150519Abstract: In plastic pouch forming structure, a pair of vacuum ports such as, for example, cups are provided in each of a pair of opposed vacuum boxes that are horizontally movable toward and away from one another. Each vacuum cup comprises an insert having a first half-face portion that is substantially flush with the vacuum cup's sealing surface, and a second half face portion that is recessed as respects the first face portion. The dividing line between the face portions is essentially a vertically extending edge of the first face portion offset laterally as respects the diameter of the cup.Type: GrantFiled: May 10, 1978Date of Patent: April 24, 1979Assignee: American Can CompanyInventor: Walter I. Akkala
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Patent number: 4146169Abstract: A folding paperboard carton including self-positioning, self-locking bottom wall panel structure, and mutually confronting, first side wall panels connected by mutually confronting hinged second side wall panels. The bottom wall panel structure a first bottom wall panel hinged to one of the confronting first side wall panels, and a second bottom wall hinged to the other of the confronting first side wall panels. The first bottom wall panel includes tab means affixed thereto, in the folded mode of the carton, by a line of weakness, and adhered to at least one of the side wall panels excluding the side wall panel to which the second bottom wall panel is hinged.Type: GrantFiled: May 1, 1978Date of Patent: March 27, 1979Assignee: American Can CompanyInventors: George L. Meyers, Donald R. Kuehl
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Patent number: 4140451Abstract: An injection molding apparatus for forming a molded sealing ring along a peripheral region of a disk-shaped closure insert for a container. Each cavity of a plural cavity injection mold is formed to receive a disk-shaped insert to which a sealing ring is to be molded. Detection means is provided to sense the number of inserts missing from the mold, and a spring loaded pin is operative automatically to close the corresponding gate for each cavity from which an insert is missing. The detection means is operable to signal a molding compound supply means to inject into the mold only that volume of compound required for a cavity or cavities in which an insert or inserts are present.Type: GrantFiled: June 6, 1977Date of Patent: February 20, 1979Assignee: American Can CompanyInventors: Frank J. Herdzina, Jr., John J. Lasch
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Patent number: 4133429Abstract: A reclosable blister card package comprises a plastic blister having a flanged portion and a raised product holding portion. A paperboard card is folded over at least a pair of opposed blister flanged portions in provision of sliding movements of the blister on the card. A portion of the card extending transversely of the direction of sliding movements is folded over to present an edge thereof in engagement with a correspondingly extending portion of the flanged portion of the blister. A crease is provided in the card parallel to and adjacent the edge of the folded portion to accommodate pivotation of the edge out of engagement with the flanged portion and consequent release of the card from the blister in provision of access to a product held therein.Type: GrantFiled: May 10, 1978Date of Patent: January 9, 1979Assignee: American Can CompanyInventor: Morris W. Kuchenbecker
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Patent number: 4134004Abstract: A paperboard carton for packaging a pizza is provided with a substantially rigid, pizza-supporting electrical-resistance heater insert comprising a corrugated paperboard panel having laminated thereto a sheet of vacuum-metallized glassine. Arc-sprayed zinc bus bars extend over opposed edges of the metallized sheet and serve as electrodes for conducting electricity through the sheet as the resistor element. Electrical energy is supplied to the electrodes by a removable terminal clip that extends through an opening provided in a side wall of the carton and both electrically and mechanically engages suitably presented electrode terminals. An insulating sheet of coated paper extends over the metallized surface, the electrodes, and the bus bars, and serves as the immediate support surface for the pizza.Type: GrantFiled: July 18, 1977Date of Patent: January 9, 1979Assignee: American Can CompanyInventors: Thomas L. Anderson, Glenn A. Rasmussen, Gerald J. VanHandel
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Patent number: 4111721Abstract: Continuous strip cast aluminum alloy of relatively high manganese content which is size-reduced suitably thin for conversion into cans and like fabrications is given an anti-galling character for such severe metal working conditions as drawing and ironing in can making and in equivalently difficult operations by heat treatment of the strip product prior to its final cold reduction pass at temperatures in the 900.degree. F. + range for at least about 4 hours.Type: GrantFiled: June 14, 1976Date of Patent: September 5, 1978Assignee: American Can CompanyInventors: Edward Willard Hitchler, Albert Joseph Klein
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Patent number: 4105154Abstract: A folding paperboard carton including an interior divider is formed from a single-piece blank. The divider is attached to a flap or wall panel of the carton blank, and after the carton is glued in a folded mode, unfolding the carton to its set up mode releases the divider from its attachment to the flap or wall panel to form a divided carton.Type: GrantFiled: April 5, 1977Date of Patent: August 8, 1978Assignee: American Can CompanyInventors: George L. Meyers, Donald R. Kuehl
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Patent number: 4096893Abstract: A system for the reconstitution of a food and beverage concentrate comprising combined knife and nozzle means selectively movable between a retracted position and an extended position, in which latter position the combined knife and nozzle means pierces the removable lid of a container of concentrate and is operative automatically to inject a predetermined amount of heated water into the container to reconstitute the concentrate. Upon movement to retracted position means is automatically operative to rinse the combined knife and nozzle means.Type: GrantFiled: October 4, 1976Date of Patent: June 27, 1978Assignee: American Can CompanyInventors: John K. Harvey, Jr., Morris T. Watson, Constantine F. Economy, Robert J. LeFevre
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Patent number: 4096937Abstract: An article transport system employs a rail assembly and a holder rotatably mounted on a conveyor. The assembly is comprised of a series of interconnected, axially-aligned, generally cylindrical members, which are relatively free to move independently of one another. Relative movement of the holder and rail assembly causes, through frictional engagement therebetween, the uniform rotation of an article mounted on the holder; the system has particular utility for transporting decorated can shells through ultraviolet curing ovens.Type: GrantFiled: January 31, 1977Date of Patent: June 27, 1978Assignee: American Can CompanyInventor: Sydney Johnstone Wallace
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Patent number: 4019337Abstract: Refrigeration apparatus comprising a compressor, a condenser, an evaporator, a suction line connecting the evaporator to the intake of the compressor, and first and second capillary tubes for feeding refrigerant to the evaporator. Refrigerant flow control means is associated with said first capillary tube, a portion of the flow control means being disposed in heat exchange with the evaporator outlet. The flow control means includes a diverter conduit for a portion of the liquid refrigerant fed to the evaporator by said second capillary tube and affording heat exchange of said portion with refrigerant flowing from the condenser to the evaporator through said first capillary tube.Type: GrantFiled: April 8, 1976Date of Patent: April 26, 1977Inventor: Elmer W. Zearfoss, Jr.
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Patent number: 3955374Abstract: Refrigeration apparatus comprising a refrigerant compressor, a condenser, an evaporator, a suction line connecting said evaporator to the intake of the compressor, and a capillary tube restrictor effective to feed refrigerant from the condenser to the evaporator. Refrigerant flow control means is interposed the capillary tube and the evaporator, with a portion of the flow control means disposed in heat exchange relation with the evaporator outlet. The flow control means further includes a diverter conduit for a portion of the liquid refrigerant being fed to the evaporator and affording heat exchange of said portion with refrigerant flowing from the condenser to the evaporator.Type: GrantFiled: October 23, 1974Date of Patent: May 11, 1976Inventor: Elmer W. Zearfoss, Jr.