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Class 177/114 - Correlated feed and discharge


Subclass of Class 177 - Weighing scales
Definition: Apparatus wherein discharging from the weigh chamber is
No. of patents: 45
Last issue date: 05/06/2008


1    
NumberTitleIssue Date
7368670Method for automatically feeding a combination weigher
The invention is a method of automatically feeding and transporting food products from an in-feed device to a combination weigher, which automatically selects from a number of portions of known weight the optimum combination of portions to create a batch of fixed we...
05/06/2008
7312408Granular material weighing hoppers containing pinch values or flipping-type hoppers
Each of a plurality of scale units 10 that constitute a combination weigher is provided with a cut gate 11 attached to a lower portion of a powdery- or granular-material hopper 12, a feeding hopper 13 for temporarily retaining a powdery o...
12/25/2007
7241955Method and apparatus for weighing divided portions
An apparatus and method for automatically weighing portions of semi-solid matter using a weigh station having a rotating receptacle which receives the portion so that an accurate weight indication of the portion can be taken, and propels the portion from the weigh s...
07/10/2007
7075019Measuring and dispensing system for solid dry flowable materials
An apparatus for measuring and dispensing solid dry flowable materials, comprising a supply container (10), a reserve hopper (18), a means for connecting said supply container (10) to said reserve hopper (18), a means for weighing said re...
07/11/2006
7075018Mixing fibrous constituents
A method and device for mixing and weighing fibrous material in a weighing cycle includes removing the fibrous material from fiber bales and transporting the fiber material with a feed device into a weighing container. The weighing container is proceeded by a pre-fi...
07/11/2006
6121556Granular material weighing system
A granular material weighing system intended primarily for weighing gunpowder, but which is not limited to this application. A volumetric powder measure is used to simultaneously dispense a previously weighed batch of granular material into its final cont...
09/19/2000
5767453Combined metering apparatus
This invention provides a combined metering apparatus in which the convey efficiency of a target metering object from an upper-stage hopper to a lower-stage hopper is improved. For this purpose, the direction in which a bottom plate 33 of a pool hopper 25...
06/16/1998
5639995Apparatus and method for controlling a vibratory feeder in a weighing machine
Apparatus and methods are shown for controlling a weighing machine in which product is fed into one end a vibratable pan of a vibratory feeder and is discharged from the other end, for example into a weigh bucket. In a first embodiment, the amplitude of v...
06/17/1997
5435189Device, method and use of the method for determining a production flow
A new device and method for measuring large production flows of e.g., one to fifty tons per hour with products such as mill products having unfavorable flow behavior. The production flow is directed intermittently into an upright weighing container for a ...
07/25/1995
5353847Food dispenser, dispenser container and method
A portioning dispenser for bulk food items is disclosed which receives bulk food items in a storage bin, portions food items from the storage bin, and dispenses measured portions of food items for further processing. The dispenser can include a rotary dru...
10/11/1994
5282498Prod dispenser, dispenser container and method
A portioning dispenser for bulk food items is disclosed which receives bulk food items in a storage bin, portions food items from the storage bin, and dispenses measured portions of food items for further processing. The dispenser can include a rotary dru...
02/01/1994
5191918Food dispenser and method
A portioning dispenser for bulk food items is disclosed which receives bulk food items in a storage bin, portions food items from the storage bin, and dispenses measured portions of food items for further processing. The dispenser can include a rotary dru...
03/09/1993
5121638Method and device for recording the flow rate of a stream of bulk material
The invention proposes a novel weighing method and a device for exactly determining the weight of a continuous stream of bulk material. The stream is conveyed without interruption into a tubular weighing machine (1). A blocking slide valve (4) is cyclical...
06/16/1992
5050770Method and apparatus for delivering particulate material
A method and apparatus are disclosed for delivering particulate material while minimizing the release of dust. The apparatus comprises a vertical conduit, and movable flap adapted to close the lower end of the conduit and a counterwieght or linear actuato...
09/24/1991
4957176Process and apparatus for determining the consumption of a raw material in a processing machine
A process for accurately determining the consumption of a raw material in a processing machine or machines, especially plastic processing machines, in which the raw material is stored in a central storage container, comprises weighing or gravimetrically d...
09/18/1990
4947946Hopper gate opening and closing device for an automatic weighing apparatus
A double-gated pool hopper is disposed above a pair of single-gated weigh hoppers such that articles in the pool hopper can be selectably discharged into either of the weigh hoppers by opening and closing the corresponding one of the two gates of the pool...
08/14/1990
4880142Powder weighing mixer and method thereof
A powder measuring device and powder measuring mixer in which powder is supplied from a supply hopper to a measuring hopper with its flow rate controlled by a flow regulator associated with the hopper. The weight of the measuring hopper is monitored. A co...
11/14/1989
4874049Automatic weighing method and apparatus
A method and apparatus for accumulating a load having a desired weight, and then transferring the load to a reversible conveyor. The reversible conveyor extends between a pair of unloading stations, and is capable of delivering the load to either one of t...
10/17/1989
4809795Support frame-free hopper-type weighing device for extruders
An arrangement for continuous feeding of an extruder of plastics, in which a casing receives a weighing container and has an upper part and a lower part. A weighing bar is located in the upper part of the casing. The lower part is closed and has a hopper ...
03/07/1989
4751974Apparatus for feeding sprouting beans or the like in fixed quantities
An apparatus for feeding sprouting beans or the like which are raked-up by a conveying belt arranged standing slantwise from a lower resevoir for the sprouting beans, with a plurality of needlelike projections planted thereon, and fed into a weighing buck...
06/21/1988
4681176Product handling and weighing apparatus
A product handling and weighing apparatus having a rotary paddle wheel with vanes forming product pockets therebetween to hold the product and transfer the product through a weighing bucket....
07/21/1987
4679641Apparatus for feeding sprouting beans or the like in fixed quantities
An apparatus for feeding sprouting beans or the like which are raked-up by a conveying belt arranged standingly slantwise from a lower reservoir for the sprouting beans, with a plurality of needlelike projections planted thereon, and fed into a weighing b...
07/14/1987
4669634Apparatus and process for the metering of predetermined quantities of at least one product
An apparatus and process for the metering of predetermined quantities of at least one product to be delivered to at least one mobile receiver by means of a distribution station which comprises means effecting the discharge of a product from a container, a...
06/02/1987
4638875Blending system weighing unit
A fiber blending system includes a number of feeders which dump fibers onto a conveyor. Each feeder includes a weigh pan into which fibers are fed. The weigh pan is pivotally mounted to the feeder and counterbalanced. Also connected to the weigh pan is a ...
01/27/1987
4627504Method for taking tare weights in automatic combination weighing machines
An improved method of taking tare weights is provided for automatic weighing machines. Periodically, the sequence of weighing cycles is interrupted in order that a tare cycle may be executed. During the tare cycle, all the weighing buckets of the weighing...
12/09/1986
4579252Loss-in-weight gravimetric feeder
A loss-in-weight gravimetric feeding system is disclosed which includes a prefeeder for receiving and discharging material and at least first and second feeders for receiving material from the prefeeder and discharging the received material to a common co...
04/01/1986
4559981Controlled chute device
A controlled chute device, including a ramp chute having an entrance gate at the upstream and an exit gate at the downstream, for letting groups of product fed from the entrance gate slip down along it by gravity and discharging them from the exit gate, w...
12/24/1985
4552235Cyclically weighing bulk solid material
A method for cyclically weighing flowable bulk solid material as part of a dispensing process which includes the steps of supplying the material from a continuously operating controllable delivery feed arrangement to a weigh-pan; generating a signal indic...
11/12/1985
4513830Method and arrangement for determination of values relating to the mass of a flow of material
A method and apparatus for continuous weighing of a fluid material is described, wherein the material is continuously fed to a weighing container and discharged therefrom, the weighing of the material during filling and the estimated weight thereof during...
04/30/1985
4484645Combination weighing machine with article feed controlled by average weight of articles in non-selected weighing machines
An automatically controlled combination weighing machine, which is generally used for packing a plurality of articles in each bag or the like so that each bag contains a predetermined weight of articles, the machine possesses a plurality of weighing units...
11/27/1984
4448272Method and apparatus for feeding, weighing and releasing fiber
Method and apparatus for feeding, weighing and releasing a predetermined quantity of fiber in reoccurring cycles for use in a fiber blending operation or the like whereby the quantity of fiber released in each cycle is maintained at an essentially constan...
05/15/1984
4446938Combination weighing machine
A combination weighing machine, which is generally used for packing a plurality of articles in individual bags or the like so that the total weight of each bag becomes nearly equal to a predetermined target weight, including a plurality of weighing balanc...
05/08/1984
4401174Weigh scale machine having solid-state controller
A weigh scale machine for automatically filling bags/containers including an infeed chute, a weigh bucket, a scale mechanism, and a discharge hopper. Initially, the flow gate located between the infeed chute and the weigh bucket is open and product is per...
08/30/1983
4398614Combinatorial weighing system with discharge control
A combinatorial weighing system designed for weighing out a desired number or weight of articles, wherein groups of articles are respectively weighed by a plurality of weighing machines, combinatorial addition is performed on all or a fixed number of poss...
08/16/1983
4393950Tare weighing apparatus and method therefor
Disclosed is a system and method for the high-speed, cyclic batch weighing of a flowable material in which variations in initial scale weight are automatically compensated for. Measuring cycle time is minimized by overlapping the time required to achieve ...
07/19/1983
4366872Weighing controlling flow rate with taring between weighings
A weighpan is controlled by a microprocessor to tare itself between successive weighings and the microprocessor resets the weight at which supply to the weighpan is regulated in accordance with a shortfall or excess delivered on previous weighings....
01/04/1983
4322803Method of and device for forming raw rubber charges
The method of forming accurate charges of rubber composed of different sorts of rubber includes the steps of preparing for each sort a series of bales stored in a ready to feed condition on separate storing conveyors, successively discharging the required...
03/30/1982
4216886Immersible pneumatic weighing doser for molten metals
The immersible pneumatic weighing doser for molten metals comprises a measuring vessel communicating with a compressed gas source, and a weighing controller. The weighing controller is provided with a lever cantilevering said measuring vessel, and a stres...
08/12/1980
4172535Control apparatus for a pneumatically-operated hopper feeder
The operation of a vacuum-conveying hopper feeder is controlled using pneumatic logic circuitry including a leak sensor relay providing improved control accuracy and with a sensor orifice which becomes occluded by a spring-loaded plunger when the feeder b...
10/30/1979
4134466Weigh jet assemblies
A pneumatic conveyor tube weigh jet assembly comprising a pivotally suspended holding chamber, a load cell for determining the weight of material in the holding chamber and flexible connections which allow for the weigh jet assembly to be permanently conn...
01/16/1979
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