Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7267293 | High efficiency bowl mill A high efficiency bowl mill (100) is provided by the present invention. Included in the high efficiency bowl mill (100) is a plow (185) that is downstream of a grinding roll (180) on a grinding surface (145). The plow (185) ... | 09/11/2007 |
| 7104403 | Static two stage air classifier A two-stage static air classifier has a feed duct through which particles of a granular mixture fall. A classifying louver plate having fins forming upwardly inclined classifying channels is fitted into a side opening in the feed duct. Particles of a set size are dr... | 09/12/2006 |
| 7021577 | Multi-roller crusher The invention relates to a multi-roller crusher for the comminuting of mineral mill-feed, whereby the crushing roll are provided with crushing teeth, extending in the circumferential and longitudinal axial directions. Viewed in plan, the crushing teeth are arranged ... | 04/04/2006 |
| 7018437 | Separator A separator for a wet vacuum cleaner has a bottom and a sidewall connected to the bottom. The sidewall has lamellas delimiting slots, wherein through the slots an air/gas flow enters an interior of the separator, delimited by the bottom and the sidewall, wherein the... | 03/28/2006 |
| 6942103 | Static two stage air classifier A two-stage static air classifier has a feed duct through which particles of a granular mixture fall. A classifying louver plate having fins forming upwardly inclined classifying channels is fitted into a side opening in the feed duct. Particles of a set size are dr... | 09/13/2005 |
| 6935510 | Air separator The invention relates to an air separator for sifting material suspended in a flow of gas having course material and fine material by using a sifting wheel which rotates in a sifting chamber and which has blades fixed on the external periphery thereof. The blade cha... | 08/30/2005 |
| 6902126 | Hybrid turbine classifier A hybrid turbine classifier for a coal pulverizer includes a cone disposed within the separator body of the pulverizer. The cone extends downwardly from a base to a frustum which forms an opening for depositing coal particles on the grinding table of the pulverizer.... | 06/07/2005 |
| 6443376 | Apparatus for pulverizing and drying particulate matter The invention relates a pulverizer equipped with a free air purging mechanical seal/classifier design that provides free air purging of the seal gap between the mechanical seal assembly and the classifier. The invention also provides a coarse particle ext... | 09/03/2002 |
| 6179233 | Wet crushing process and crusher for implementing such process A grinder for use in wet grinding having a roller or wheel rolling on a circular track and elastically pressed thereon. The materials to be ground are subjected to several layer on bed grinding operations to enable the rational utilization of this type of... | 01/30/2001 |
| 5918823 | High-pressure roller press for pressure comminution of granular product A product bed comminution high-pressure roller press wherein the problem of great recirculations of product material or, respectively, high product circulation rates caused, for example, because of reduced roller press pressures is solved employing little... | 07/06/1999 |
| 5836527 | Apparatus for comminuting solid waste materials A solid waste comminuting apparatus (10) for reducing solid waste material (12). The apparatus (10) has rolls (42, 44) for severing material that is fed into the entrance (32). After the material is severed, it is carried by an airstream to a fan (112). T... | 11/17/1998 |
| 5673860 | Method and apparatus for comminuting moist mineral material The invention relates to the comminution of moist mineral material in the comminution zone of a material comminuting machine followed by breaking up of agglomerates which have formed and subsequent wet classification of the broken-up material. A good disa... | 10/07/1997 |
| 5505389 | Closed circuit grinding system A recirculating grinding plant with a crushing high-pressure roller press and sifter which has low energy consumption and which operates without a separate drive disagglomerator for disagglomerating the roll press scabs. The raw material together with the... | 04/09/1996 |
| 5505390 | Two stage hammer mill with particle separator A two stage hammer mill which reduces recycled glass and its associated contaminants to small glass particles in the 100-800 grit size range and waste. The glass grinder is of light weight, modular construction, such that it may be taken apart, relocated,... | 04/09/1996 |
| 5375776 | Method and apparatus for the comminution of material for grinding The invention relates to the comminution of material for grinding, particularly for the production of cement, wherein the material for grinding is comminuted in a mill and the comminution product is classified in a classification zone into fines and overs... | 12/27/1994 |
| 5257831 | Rag tearing machines for the textile industry The rag tearing machine embodies an inlet station 1 in which the materials to be processed for a first time 23 and recycled waste 19 are poured, separately, onto the circulating belt 2. Several rag tearing stations (4a, 4b) are each followed by fan groups... | 11/02/1993 |
| 5244121 | Dispensing container for multi-component curable compositions having a roller pair for mixing the components A system for supplying a durable reactive mixture to components in which the two-components are stored in a single chamber of a container in a form in which one of the reactive components is in the form of globules distributive in the other reactive compo... | 09/14/1993 |
| 5215262 | Method and apparatus for comminuting bulk materials A process and device for crushing bulk materials. The material to be crushed is fed from above to a first accelerating device which accelerates it into a first crusher, the fine particles in the crushed material produced by the first crusher being carried... | 06/01/1993 |
| 5054697 | Removable mill throat and wear ring for pulverizer A coal pulverizer, that supplies a coal-in-air mixture to combustion means for a power plant and comprises grinding means consisting of wheels revolving in a power driven trough from which pulverized coal is centrifugally thrust into a stream of forced ai... | 10/08/1991 |
| 4988044 | Steel can shredding/delabeling system and method A steel can shredding/delabeling system processes post-consumer steel cans, taken from a solid weight stream, into a densified product suitable for detinning. The steel cans are transported and fed into a surge hopper that feeds cans into a shredder. The ... | 01/29/1991 |
| 4728044 | Apparatus for the comminution and grinding of brittle grinding stock, particularly of damp initial material For reducing the specific energy outlay in the grinding-drying of damp initial material, a circulating grinding system including a comminution machine, particularly an impact hammer, which is followed, via a sifter, by a high-pressure roll press operated ... | 03/01/1988 |
| 4586658 | Impact grinding method and apparatus For impact grinding a free-flowing feed material to a finished product of a narrow grain size range, particularly in the cereal and feeding stuff grinding industry, the feed material is fed to an impact or hammer mill (1) having a sieve jacket (33), where... | 05/06/1986 |
| 4523721 | Bowl mill with primary classifier assembly A vane wheel arrangement (30) particularly suited for use in a bowl mill (10) of the type that is employed for purposes of effecting therewithin the pulverization of materials such as coal. The subject vane wheel arrangement (30) which is positioned withi... | 06/18/1985 |
| 4522343 | Micronized grinding apparatus Apparatus for grinding coal to micron fineness having a grinding chamber with a grinding surface supported by a circumferential wall in the grinding chamber, a plurality of grinding rolls orbiting in the grinding chamber for grinding the coal, air supply ... | 06/11/1985 |
| 4482372 | Fluid fertilizer composition A fluid fertilizer composition based essentially on potassium chloride and an ammonium phosphate prepared by a process which comprises comminuting a solid substance containing potassium chloride and ammonium phosphate by grinding in the presence of a satu... | 11/13/1984 |
