Patents Assigned to Formax, Inc.
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Patent number: 8276491Abstract: An automated sequenced food article tray loading method and apparatus for a high speed slicing machine where food articles can be loaded sequentially into designated and separated lanes of a lift tray and automatically sequentially assume a preload condition. Food article separation is maintained on the lift tray after the food articles are loaded by a plurality of support plates and one or more dividers. A food article sweep mechanism receives the food articles on the lift tray in their separated positions and transfers the food articles into the food article feed mechanism while maintaining the separated positions. The food article sweep mechanism is a substantially open structure without enclosing walls.Type: GrantFiled: October 21, 2008Date of Patent: October 2, 2012Assignee: Formax, Inc.Inventors: Glenn Sandberg, David Hansen
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Patent number: 8250955Abstract: An automated sequenced food article tray loading method and apparatus for a slicing machine where food articles can be loaded sequentially into designated and separated lanes of a lift tray and automatically sequentially assume a preload condition. Food article separation is maintained on the lift tray after the food articles are loaded. A food article sweep mechanism receives the food articles on the lift tray in their separated positions and transfers the food articles into the food article feed mechanism while maintaining the separated positions. The food article sweep mechanism is a substantially open structure without enclosing walls.Type: GrantFiled: October 21, 2008Date of Patent: August 28, 2012Assignee: Formax, Inc.Inventors: Glenn Sandberg, Scott A. Lindee, David Hansen, Salvatore Lamartino
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Patent number: 8011914Abstract: A patty-forming machine includes a food supply system where the drive mechanism for feed screws use integrated and compact motor and gearbox assemblies. The feed screws have heavy wall thickness flights and the feed screw shafts are journaled through modular bearing assemblies. A conveyor that forms the bottom of the hopper uses a sealed drum motor housed in the drive roller to drive the conveyor. A food supply system includes independent sensing means for indicating whenever the moldable food material accumulated at one end of the hopper exceeds a given level.Type: GrantFiled: January 23, 2008Date of Patent: September 6, 2011Assignee: Formax, Inc.Inventors: Paul Taylor, Glenn Sandberg, Scott A. Lindee
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Patent number: 7993126Abstract: Apparatus and methods of modify a reciprocating mold plate patty-forming machine such that a mold plate for a smaller machine can be fit into a larger forming machine. A tooling set for the modification includes a dedicated drawbar configured to mount the smaller mold plate and modified wider spacers to closely meet the smaller mold plate within the forming machine. An adapter system selectively mounts either a first mold plate having a first set of keyholes or a second mold plate having a second set of keyholes, different than the first set of keyholes to a single reciprocating mold plate patty-forming machine. The adapter system can include first and second sets of adapters and a drawbar having provision for connection at opposite ends to driving rods of the drive system.Type: GrantFiled: January 17, 2008Date of Patent: August 9, 2011Assignee: Formax, IncInventors: Glenn Sandberg, Paul Taylor
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Patent number: 7874246Abstract: A food product alignment device for a conveyor includes a plurality of upright pins that act in pin pairs to align respective food products that approach the pin pairs on a moving conveyor. Particularly for round food products or food product stacks, a misaligned round food product will slightly pivot on the moving conveyor when contacting a first pin to be evenly positioned between the two pins of the respective pin pair. The pins are retractable to a position beneath the conveyor after the food products are aligned to allow the aligned food products to continue proceeding on the conveyor.Type: GrantFiled: June 15, 2006Date of Patent: January 25, 2011Assignee: Formax, Inc.Inventors: Glen F. Pryor, Scott A. Lindee
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Patent number: 7862330Abstract: A food patty molding machine has a reciprocating mold plate. A moldable food product is pumped through a fill passage into cavities of the mold plate when the mold plate is in its fill position. A fill plate, interposed in the fill passage immediately adjacent the mold plate, has a multiplicity of fill orifices distributed in a predetermined pattern throughout an area aligned with the mold cavity when the mold plate is in its fill position. The fill orifices define paths through the fill plate, wherein the paths each have an inlet portion that is perpendicular to a fill side face of the mold plate that is connected to an outlet portion that is obliquely angled to a fill side face of the mold plate. A seal-off stripper plate is interposed in the fill passage immediately adjacent the face of the fill plate opposite the mold plate. The stripper plate is movable along a path transverse to the mold plate path between a fill location and a discharge location.Type: GrantFiled: April 20, 2006Date of Patent: January 4, 2011Assignee: Formax, Inc.Inventors: David Hansen, Scott A. Lindee
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Patent number: 7788885Abstract: A method is provided for loading stacked food product into packages. Open top containers are arranged in rows and movable into a loading station. A shuttle conveyor has a retractable and extendable conveying surface, the conveying surface having an end region extendable to a position arranged above the containers of a row of the containers. A guiding and pushing apparatus is arranged above the row and includes guides that are lowered to capture a row of stacked food products on the conveying surface, and plungers within the guides that lower and press a top of the stacks. When the conveying surface is retracted from beneath the guides and the row of containers, the guides are lowered further, adjacent to the containers, and the plungers are lowered with respect to the guides to push the stacks into the containers.Type: GrantFiled: February 12, 2008Date of Patent: September 7, 2010Assignee: Formax, Inc.Inventors: Glenn Sandberg, Scott A. Lindee, James Wrona, James E. Pasek
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Patent number: 7775790Abstract: A food molding mechanism for a patty-forming machine that uses a servomotor to drive a crank arrangement. The crank arrangement drives a mold plate. The mechanism uses a reducer with a replaceable output shaft. The reducer engages a servomotor utilizing a double enveloping worm gear providing gear enmeshment across an arc portion of the servomotor main gear. A servomotor driven knockout apparatus comprises a cam and lever arrangement. Oil reservoirs for the knock-out cams are substantially sealed in the mold cover.Type: GrantFiled: January 23, 2008Date of Patent: August 17, 2010Assignee: Formax, Inc.Inventors: Scott A. Lindee, Paul Taylor, Glenn Sandberg
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Patent number: 7677880Abstract: A system includes a high speed reciprocating mold plate patty-forming machine and a downstream patty presser. The high speed patty forming machine provides patties at a high production speed onto an output conveyor portion. The patty presser includes an upper conveyor having an upper endless belt. The upper conveyor is located above the output conveyor, wherein facing belt surfaces of the upper and lower endless belts define a path between the upper and lower conveyors. The upper conveyor has a tilted section such that a first clearance at an input to the path is equal to or greater than a thickness of the patties and a second clearance at an outlet of the inlet length is less than a thickness of the patties at the input of the path. A shuttle conveyor is arranged at the output of the path and delivers patties to an indexing packaging machine.Type: GrantFiled: January 19, 2008Date of Patent: March 16, 2010Assignee: Formax, Inc.Inventors: Chris Moore, Paul Taylor
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Patent number: 7623249Abstract: A system, suitable for high-speed operation, by which raw product (45), such as a slab of meat, can be accurately processed, such as by slicing into segments of desired weight, comprises a product profiling apparatus (15). The product profiling apparatus (15) measures the profile of the physical process. The product profiling apparatus (15) includes line lasers (75, 85) for directing a line of light across the upper and lower surfaces of the product (45) and visual image cameras (80, 90) directed toward the profile surface to capture, at fixed increments, the product profile. The product may also be weighed and the product density determined from the overall profile measurements. A controller (150) receives this data, and instructs the physical process accordingly.Type: GrantFiled: November 7, 2008Date of Patent: November 24, 2009Assignee: Formax, Inc.Inventors: Glenn Sandberg, Scott A. Lindee, Salvatore Lamartino, Robert Bania
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Patent number: 7603936Abstract: A mechanism and method is provided for controllably loading multiple food loaves into the slicing station of a continuous slicing machine. The parallel loaves that are engaged by a common loaf feed drive or side-by-side, independent loaf feed drives are engaged by the loaf feed drive or drives simultaneously such that the interface or seam between a preceding loaf and a trailing loaf in different loaf feed paths are located substantially at the same location during slicing of two side-by-side loaf streams. A clamp device is provided that clamps multiple food loaves when loaded to move along the parallel food loaf paths together, wherein the clamp device can be released once the multiple food loaves are simultaneously engaged by the loaf feed drive.Type: GrantFiled: July 1, 2005Date of Patent: October 20, 2009Assignee: Formax, Inc.Inventors: Glen F. Pryor, Glenn Sandberg
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Patent number: 7591644Abstract: A mold plate for use in a reciprocating mold plate patty-forming apparatus includes a flat body having a plurality of cavities for forming patties. The flat body has a fill side face and an opposite face. A grid pattern of grooves is formed on the second face extending longitudinally and laterally on the second face. The pattern extends a lateral distance that is about equivalent to an overall patty cavity field width. Longitudinal and lateral slots that penetrate though a thickness of the mold plate and flow connect fill side pressure and meat with the pattern of grooves on the second face to balance the pressure on the opposite faces of the flat body.Type: GrantFiled: September 13, 2007Date of Patent: September 22, 2009Assignee: Formax, Inc.Inventors: Glenn Sandberg, Scott A. Lindee
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Patent number: 7533513Abstract: An apparatus is provided for filling food product drafts into packages. A supply of open top containers are arranged in rows and carried by an elongated web of film and are movable by the web into a fill station. A shuttle conveyor has a retractable and extendable conveying surface, the conveying surface arranged above the fill station and having an end region extendable to a position arranged to deposit food product drafts into the containers of the first row by circulation of the conveying surface. The conveying surface is retractable, or extendable, to reposition the end to a position arranged to deposit food product drafts carried on the conveying surface into the containers of the second row and each subsequent row. A tamping apparatus is carried by the conveyor to retract or extend with the conveying surface end.Type: GrantFiled: June 26, 2006Date of Patent: May 19, 2009Assignee: Formax, Inc.Inventors: Scott A. Lindee, Glenn Sandberg, James E. Pasek
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Patent number: 7455517Abstract: A food patty molding machine has a reciprocating mold plate. A moldable food product is pumped through a fill passage into a cavity of the mold plate when the mold plate is in its fill position. A fill plate, interposed in the fill passage immediately adjacent the mold plate, has a multiplicity of fill apertures distributed in a predetermined pattern throughout an area aligned with the mold cavity when the mold plate is in its fill position. A fill block is fixed to the fill plate and includes a plurality of inverted L-shaped passages corresponding one-for-one with the fill apertures. The mold plate includes a longitudinal slot to accommodate relative longitudinal movement between the mold plate and the stationary fill block. The mold plate includes a transverse slot open into the longitudinal slot that defines the molding cavity. Loose ground meat can be filled in a horizontal direction into the cavity to provide a customary appearance to the packaged ground meat.Type: GrantFiled: April 20, 2007Date of Patent: November 25, 2008Assignee: Formax, Inc.Inventors: Ronald F. LaBruno, Douglas Conerton, Neil Hayden
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Patent number: 7422425Abstract: A knockout drive system for a food patty molding machine includes an electric motor; a rotary-to-linear motion converting apparatus operatively connected to the electric motor; and at least one knockout member operatively connected between the rotary-to-linear motion converting apparatus and the knockout plungers, to reciprocate the knockout plungers. The mold plate and knockout plungers are not mechanically linked to be driven together but are independently driven. The electric motor of the knockout drive system is a servo driven motor wherein the speed, acceleration, deceleration and dwell periods of the knockout plungers can be precisely controlled to be synchronized with the mold plate movements and positions, and for the type of food product, the output rate and the shape of the patties.Type: GrantFiled: September 16, 2004Date of Patent: September 9, 2008Assignee: Formax, Inc.Inventors: David Hansen, Timothy W. Ring
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Patent number: 7416753Abstract: A breather air and food product fines pumping system for a reciprocating mold plate food product forming machine pumps air and fines to a collection area. A pumping surface is provided by a rearward facing surface of the mold plate. A pumping chamber is arranged between the pumping surface and a food product fines collection area. The rearward facing surface of the mold plate defines a movable limit of the pumping chamber. A valve element of a first valve is arranged between the pumping chamber and the collection area to create suction in the pumping chamber when the rearward facing surface of the mold plate is moving forward, and to allow the pumping chamber to pump air and fines into the collection area when the rearward facing surface of the mold plate is moving rearward. Breather holes in a breather plate are in communication with a breather passage that is in communication with the pumping chamber and with outside air through further valve arrangements.Type: GrantFiled: September 16, 2004Date of Patent: August 26, 2008Assignee: Formax, Inc.Inventors: Scott A. Lindee, David Hansen, David Hancock
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Patent number: 7411137Abstract: A sealing arrangement is provided for a product weigh scale for a food processing apparatus the weigh scale including a support for supporting a product, a member that carries the support, and a weight sensor that senses vertical load on the member. The sealing arrangement includes a seal surrounding the member beneath the support, the seal having a first sealing surface configured to be sealed against a cabinet, and a second sealing surface. The seal is movable between an inactive position wherein the second sealing surface is out of contact with the support and a sealing position wherein the second sealing surface seals against the support. The seal includes a stationary part having the first sealing surface and a sliding part having the second sealing surface. A plurality of springs urge the sliding part toward the sealing position and a source of pressurized fluid is injected between the sliding part and the stationary part to urge the sliding part toward the inactive position.Type: GrantFiled: June 15, 2006Date of Patent: August 12, 2008Assignee: Formax, Inc.Inventors: Glenn Sandberg, David Hansen
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Patent number: 7404481Abstract: A stacking conveyor for receiving slices cut from a food loaf or slab includes a frame, an endless belt conveying surface, a carrier, a plurality of pins, and a motive mechanism. The endless belt conveying surface is supported by the frame. The carrier is arranged beneath the top surface of the endless belt conveying surface. The plurality of pins protrude upward from the carrier, each of the pins having a sharp top end. The motive mechanism is configured for raising the carrier to elevate the top ends of the pins above the top surface of the endless belt conveying surface to receive and impale a first slice of a stack. The pins are then retracted beneath the conveying surface.Type: GrantFiled: June 8, 2006Date of Patent: July 29, 2008Assignee: Formax, Inc.Inventors: Glenn Sandberg, Glen F. Pryor
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Patent number: 7335013Abstract: A drive system reciprocates a mold plate between a cavity fill position and a patty discharge position, and can also reciprocate knock out plungers to discharge molded food patties from cavities in the mold plate at the patty discharge position. This drive system includes a first electric motor; a first rotary-to-linear motion converting apparatus operatively connected to the first electric motor; at least one drive member operatively connected between the first rotary-to-linear motion converting apparatus and the mold plate to reciprocate the mold plate. The drive system can also include a second electric motor; a second rotary-to-linear motion converting apparatus operatively connected to the second electric motor; and at least one knock out member operatively connected between the second rotary-to-linear motion converting apparatus and the knock out plungers, to reciprocate the knock out plungers.Type: GrantFiled: September 16, 2004Date of Patent: February 26, 2008Assignee: Formax, Inc.Inventors: David Hansen, Glenn Sandberg, Scott A. Lindee, Timothy W. Ring
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Patent number: 7328542Abstract: An apparatus is provided for loading stacked food product into packages. Open top containers are arranged in rows and movable into a loading station. A shuttle conveyor has a retractable and extendable conveying surface, the conveying surface having an end region extendable to a position arranged above the containers of a row of the containers. A guiding and pushing apparatus is arranged above the row and includes guides that are lowered to capture a row of stacked food products on the conveying surface, and plungers within the guides that lower and press a top of the stacks. When the conveying surface is retracted from beneath the guides and the row of containers, the guides are lowered further, adjacent to the containers, and the plungers are lowered with respect to the guides to push the stacks into the containers.Type: GrantFiled: January 6, 2006Date of Patent: February 12, 2008Assignee: Formax, Inc.Inventors: Glenn Sandberg, Scott A. Lindee, James Wrona, James E. Pasek