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 |
| 7681816 | Wood crusher A wood crusher having a crushing apparatus includes a crushing rotor for crushing target wood to be crushed, a second screen detachably mounted on the outer peripheral side of the crushing apparatus and a screen support member disposed on the outer peripheral side o... | 03/23/2010 |
| 7360725 | Material crusher Crusher has a housing with a cylindrical crushing chamber defined by a tubular wall. Opposed side plates are secured to respective ends of the wall. A drive shaft rotates impact tools within the chamber. An intake aperture and a discharge aperture are in communicati... | 04/22/2008 |
| 7226355 | Mechanism and method for automatically transversely positioning the pinch-point of a concave A device and method is disclosed for allowing a combine operator, from the operator's station, to automatically transversely position a pinch-point of a concave relative to a rotor of a combine in accordance with the clearance spacing set between the concave and the... | 06/05/2007 |
| 7222805 | Shredder with cage relief A materials processing system adapted for the reduction of metallic materials including a material feed portion configured to convey materials to a mill portion comprising a motor driven rotor in close running fit with a cage mounted grate through which reduced mate... | 05/29/2007 |
| 6877610 | Screen assembly A screen assembly 22 includes a conveyor 26 pivotably mounted beneath a screen 24 for segregation of fractions of material, for example from a mobile crusher 10. Hydraulic cylinders (not shown) are used to selectively move telescopic arms... | 04/12/2005 |
| 6367723 | Size reduction machine having an adjustable impeller and screen holder Size reduction machines including a screen holder that positions and secures a screen associated with the size reduction machine in place and also including an adjustable impeller for setting and changing a desired known gap between the size reduction mac... | 04/09/2002 |
| 5895000 | Glass crushing machine and glass crushing system using the same A glass crushing machine and glass crushing system comprise a cylinder crushing chamber 2; a powder and particle collecting chamber 4 formed to be cylindrical and disposed downward of the crushing chamber 2; a funnel-like crushed substance collecting port... | 04/20/1999 |
| 5687921 | Reducing apparatus The invention relates to a device for shredding plastic objects (2)!, provided with a spiral-shaped housing (3)! in which a carrier member (4)! is rotatably mounted. The housing (3)! has an opening (8)! arranged in its upper surface (5)! for f... | 11/18/1997 |
| 5611495 | Rotary shredding apparatus with anti-jam means A shredding apparatus for converting waste material, like vehicle tires, into a shredded size by driving a pair of shafts having cooperating shredding discs on the shafts, mounting the pair of shredding shafts in an open top cage to receive waste material... | 03/18/1997 |
| 5472147 | Comminuting machine with comminution grates The comminuting machine includes a housing provided with a rotary impact mechanism. A conveyor conveys infed material to the rotary impact mechanism which cooperates with an impact plate in disintegrating the infed material. A first comminuting grate foll... | 12/05/1995 |
| 5405094 | Multi-staged size reduction machine A size reduction machine for use in process industries to continuously and precisely reduce the size of particles, while controlling fines, has a rotatable spindle and a motor operably connected to the spindle for effecting rotation of the spindle. The sp... | 04/11/1995 |
| 5282579 | Apparatus for adjusting the gap of a size reduction machine An extensible spacer device for setting a gap between an impeller and a screen of a size reduction machine comprises a first collar having an axially extending bore, an internal thread on an inside surface of the bore and a circumferential shroud extendin... | 02/01/1994 |
| 5199653 | Discharge assembly for chipper/shredder A discharge assembly controls the discharge of shredded and macerated materials from a chipper/shredder device. A discharge screen of the discharge assembly has a pair of fasteners on opposing ends of the discharge screen for removably mounting the screen... | 04/06/1993 |
| 5199666 | Rotary shredding apparatus with oscillating grate Shredding apparatus for reducing material by use of cutter discs mounted on each of a pair of spaced shafts which place the cutter discs in an interleaved operating position over a perforated grate which has active surfaces swept by the cutter discs, and ... | 04/06/1993 |
| 4836457 | Screen for comminuting machines A comminuting machine for comminuting waste, recycleable material, ores, stones, coal and the like, comprises a rotor carrying comminuting tools and mounted for rotation about a horizontal axis in a housing. The housing has an inlet and at least one outle... | 06/06/1989 |
| 4819881 | Refiner for processing a fiber stock suspension for paper fabrication The refiner for processing a fiber stock suspension for paper fabrication comprises at least one substantially planar grinding disc equipped with a conventional set of grinding tools. This substantially planar grinding disc coacts with a perforated plate.... | 04/11/1989 |
| 4759507 | Size reduction machine having an external gap adjustment A series of screens for use with a size reduction machine have a tapered apertured wall formed into a frusto-conial shape, with an open wide end and a narrow closed end. All screens of a particular series have a cylindrical section, the same interior dept... | 07/26/1988 |
| 4629134 | Roll crusher A roll crusher for discarded storage batteries or other types of bulky scrap has two rotors provided with axially spaced-apart annuli of teeth which cooperate with rows of teeth provided on a grate normally adjacent to the undersides of the rotors. The gr... | 12/16/1986 |
| 4487371 | Comminution apparatus A novel comminution apparatus and method for comminuting a granular feed into a product having a predetermined particle size. The comminution apparatus includes a high-speed cutter member operating inside a screen enclosure having adjustable openings in t... | 12/11/1984 |
| 4458763 | Soil stabilizer machine with recycler screen The present invention relates to a soil stabilizer machine with a recycler screen. The soil stabilizer machine includes a horizontal rotor having a plurality of teeth along a periphery thereof. In operation, the machine moves along the ground and the roto... | 07/10/1984 |
| 4383652 | Shredbar apparatus A shredbar is used with a forage harvester cutterhead mainly for cracking kernels of corn. The problem of premature wear of the shredbar is avoided by providing a shredbar apparatus with a reversible surface for abrading crop material. The shredbar appara... | 05/17/1983 |
| 4141113 | Press for separating meat and bones A press for putting under pressure therein animal meat with bones in order to bring the meat into a paste-like condition and thus to have it flow out of the space within the press, comprises a slide valve adapted to open and close a large opening in the f... | 02/27/1979 |
| 4133489 | Shredders, notably for processing heterogeneous materials A rotary comminuting apparatus adjustable to reduce either hard or soft materials includes a segmented perforated semi-cylindrical grate partially surrounding the lower portion of the rotor. The grate segments are pivotally supported on a common axle para... | 01/09/1979 |
| 4009836 | Material reducing machine A material reducing machine has a housing and a reversible rotor which revolves in the housing. On each side of the rotor the housing carries wear plates which pivot such that their lower ends will move inwardly, thus enabling the wear plate to serve as a... | 03/01/1977 |
| 4002302 | Reducing machine having a positively displaced grate The cage of a reducing machine is positioned within the machine housing below the rotor. One end of the cage is pivoted with respect to the machine housing, while the other end is suspended from chains which pass over sprockets so that when the sprockets ... | 01/11/1977 |
| 3973890 | Adjustable die face pelletizer The cutter used with a cylindrically shaped die plate means on a thermoplastic extruder is rotatable about the axis of the die plate and has a plurality of radially projecting blades that extend longitudinally and sweep across the downstream face of the d... | 08/10/1976 |
