Class 100/906 - Reciprocating

Subclass of Class 100 - Presses
Definition: Subject matter using a reciprocating ram to form pellets.
No. of patents: 24
Last issue date: 10/21/2008

Number	Title	Issue Date
7437992	Die assembly for a compactor A compactor for compacting material includes a trough adapted to hold the material for compaction. A feed channel is coupled to the trough. A shearing die assembly having a first aperture aligned with the feed channel is adapted to receive material and a second aper...	10/21/2008
7421946	Two stage oil filter press A two stage oil filter press having a housing with a precompression chamber and a main compression chamber together with a vertically reciprocating precompression ram and a horizontally reciprocating main compression ram powered by individual fluid cylinders. A feed...	09/09/2008
7377214	Apparatus and method for temporarily compressing loose, multiply bent, pieces of scrap sheet metal into compacted wafers The bulk volume of large numbers of loose, separated, multiply bent, irregularly shaped scrap sheet metal is temporarily reduced, for transportation and storage of the metal for recycling purposes, by compressing the metal into temporary, compacted wafers formed of ...	05/27/2008
7374414	Rotary press Rotary press with a rotor, rotatingly drivable around a vertical axis of rotation, which has a die plate with die bores and upper and lower punches guided in guidings, radial cams for the upper and lower punches, at least one compression station with upper and lower...	05/20/2008
7360483	Device for the guidance of lower rams A device for the guidance of lower rams across the lower-ram head in a rotor-type rotary press in the area of a filling device wherein a charging cam is disposed between an ejector cam which precedes as viewed in the direction of production and a proportioning cam a...	04/22/2008
7226008	Briquette of ferrous metal working scrap, method of making the same, mashing crusher of grinding chips and briquette making apparatus using the same A briquette meeting required strength that is formed in an energy-saving manner from ferrous metal working scrap, such as grinding chips, and a method of making the briquette are provided. In a briquette formed by applying a pressing pressure to a ferrous metal work...	06/05/2007
7093538	Wooden debris compressor A wooden debris compressor includes a storing tank, and a poking device under the storing tank provided with plural poking rods fixed spaced apart in a definite angle. Then alternate back-and-forth rotation of the poking rods controls the volume of wooden debris fal...	08/22/2006
7011017	Compactor A compactor is provided wherein cuttings delivered to a compaction chamber 33 by a screw conveyor 22 are compacted into a solid product W by operating a hydraulic cylinder 28, and subsequently a gate member 51 disposed at one end of the c...	03/14/2006
7011018	Material compaction apparatus The material compactor generally includes a feed apparatus and a final compaction apparatus. The final compaction apparatus generally includes a compaction chamber having confronting compression plates and an adjustably taperable portion. The area of the inner cavit...	03/14/2006
6941860	Method of briquetting metal chips and briquetting press A method and a briquetting press for briquetting metal chips, wherein stable briquettes/pressed component are produced. The actual length (Lact) of the pressed component is obtained by applying pressure (Pmax/Preq) using at least one...	09/13/2005
6874411	Recycle of grinding sludge A method of and an apparatus for compressing the grinding sludge, which is effective to compress the grinding sludge to provide an intended rigid briquette even though the grinding sludge contains ground chips of hardened iron and/or steel materials and an oil-based...	04/05/2005
6349638	Dual die chip compactor A briquetting machine for compacting metal chips into briquettes with a movable die that provides plural die cavities. After metal chips are loaded into a loading chamber from a hopper, a chip compacting ram pushes the chips at a high speed and low pressu...	02/26/2002
6089147	Process for pressing materials A process is disclosed for pressing a material selected from materials of vegetable and animal origin. The process includes the steps of mechanically compressing the material of vegetable or animal origin while simultaneously vibrating the material at an ...	07/18/2000
5664492	Apparatus for compacting metal shavings A metal shavings and chips compactor for extruding oil from metal chips and shavings and compacting the metal into easily transportable pellets. A compactor cylinder contains a piston and has an opening through which an auger feeds metal chips and shaving...	09/09/1997
5542348	Process for compacting metal shavings A metal shavings and chips compactor for extruding oil from metal chips and shavings and compacting the metal into easily transportable pellets. A compactor cylinder contains a piston and has an opening through which an auger feeds metal chips and shaving...	08/06/1996
5148740	Rotary pelletizing machine with matrix disc having copper and lower plungers A rotary pelletizing machine comprises a rotatable matrix disc, a plurality of upper plungers and lower plungers guided in the matrix disc, and an element for holding the lower plungers from falling out during a dismounting of the matrix disc, the holding...	09/22/1992
4947743	Apparatus for feeding a mass of particulate or fibrous material Apparatus for compacting and advancing a mass of particulate or fibrous material to a discharge end of a conduit combines an auger with a reciprocating annular piston. The improvement of the invention is in driving the piston by way of a flywheel equipped...	08/14/1990
4755332	Method of and apparatus for pelletizing radioactive waste powder A method of and apparatus for pelletizing a radioactive waste powder is disclosed. The apparatus includes a pelletizing section, and a pelletizing die which has one end facing a powder receiving cavity formed in the pelletizing section and the other end e...	07/05/1988
4619194	Apparatus for dewatering fibrous materials In the dewatering press of this invention, a ram, movable in a horizontal plane by hydraulic means, compresses a slurry in a compression chamber which includes as one wall a stop gate assembly movable in a vertical plane and as another wall a self-cleanin...	10/28/1986
4119025	Method and apparatus for conveying particulate material A method and apparatus for conveying particulate material of the type wherein it is desired that the material be simultaneously pre-compacted from a generally loose state to a more or less solid "plug" state. A screw conveyor is arranged to deliver loose ...	10/10/1978
4078591	Apparatus for chopping forest and bog stumps and snags in field Apparatus for use in economically profitable chopping of forest and bog stumps and of snags into transportable form in field conditions during all seasons. Chopping is effected by applying pressure which breaks the wood material charge that has been broug...	03/14/1978
4047872	Device on pressing piston A device for compressing a wax-type material comprising a piston disposed within a chamber wherein channels are provided along the lateral surface of the piston for venting gases during the compressing operation....	09/13/1977
3980014	Briquetting machine A relatively thin briquetting chamber having a filter screen along at least one wall thereof, openable ends, a piston movable through said chamber from one end to the other to squeeze liquid from solid particles collected on the screen in said chamber and...	09/14/1976
3946660	Process for utilising straw A process for economically utilising straw in which the straw is compressed into briquettes having a density of at least 500 kg/m3, preferably at least 1000 kg/cm3, for subsequent use in a thermal, chemical or microbiological plant....	03/30/1976

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Class 100/906 - Reciprocating