Abstract: Some embodiments of an exemplary manual or electric grain mills may include a mill body; a mill mechanism disposed within the mill body, the mill mechanism including a mill shaft and a shaft coupling; a hand crank having a hand crank driveshaft configured to be selectively coupled to the shaft coupling to drive the mill mechanism when the hand crank is manually operated; and a motor assembly. The motor assembly may include a motor housing, a motor disposed within the motor housing, and a motor driveshaft operatively coupled to the motor, the motor driveshaft being configured to be selectively couple to the shaft coupling and drive the mill mechanism when the motor is powered.

Abstract: A grinding device, in particular a vertical mill for grinding a grinding material, the grinding device including at least two grinding elements that are movable relative to one another, wherein the two grinding elements together form at least one grinding portion in which the grinding material is grindable by the two grinding elements; and at least one contact pressure device including at least one hydraulic cylinder including a cylinder operating chamber and at least one gas spring including a spring operating chamber, wherein the cylinder operating chamber and the spring operating chamber are flow connected with one another, wherein a contact force is impartible upon at least one of the grinding elements by the at least one contact pressure device and the grinding elements are pressable onto one another by the contact force.

Abstract: The invention describes powders for use in the production of spatial structures, i.e. molded bodies, using layer build-up methods, as well as methods for their efficient production. The powders have the special feature that they have good flow behavior, for one thing, and at the same time, have such a composition that the molded body that can be produced with the powder, using rapid prototyping, has significantly improved mechanical and/or thermal properties. According to a particularly advantageous embodiment, the powder has a first component that is present in the form of essentially spherical powder particles, which is formed by a matrix material, and at least one further component in the form of stiffening and/or reinforcing fibers, which are preferably embedded in the matrix material.

Abstract: A paper shredder includes a housing, cutters positioned in the housing, and a feeder base adapted to support a stack of paper. The feeder base includes a feeder slot. The feeder base is integrally-formed as one piece having a front portion, a rear portion, and a sidewall along first and second sides and spanning the feeder slot.

Abstract: A size reduction device and method for solid particles, which are conveyed as a suspension in a liquid flow. The device includes a housing, at least two counter-rotatable size reduction components disposed in the housing, each including a plurality of cutting elements, disposed on a common rotatable shaft with a longitudinal axis. The flow direction of the suspension is at right angles to the longitudinal axes of the shafts of the size reduction components. Two mutually opposite guide rails with a longitudinal axis parallel to the shafts are assigned to components. Each guide rail includes a base plate, on which ribs with channels are constituted parallel to the flow direction on the side of the base plate towards the component.

Abstract: A food preparation appliance has a base, a blade member rotatable in a direction of rotation, and a container with a closed bottom, an open top and a tubular sidewall together defining an interior space of the container. The top of the container is configured for releasable connection with the base, with the blade member disposed within the interior space of the container. The sidewall has a rib projecting inward of the interior space of the container and extending lengthwise along at least a portion of the sidewall from the top of the container toward the bottom of the container. The rib has, in the direction of rotation of the blade member, a peak defined as the shortest transverse dimension measured from the center of the container to the sidewall at a respective height along the portion of the sidewall having the rib, the rib being asymmetric in transverse cross-section.

Abstract: The invention relates to a tool for crushing coke in drums with of high-pressure water jets, which has a housing 2 with a feed system 4 for high-pressure water, and a housing wall 3 with outwardly directed boring and cutting nozzles 5a, 5b, out of the openings 7 of which high-pressure water jets 28 exit, as well as flow channels 4g, 4h, which connect the feed system 4 with the boring and cutting nozzles 5a, 5b. So that the opening of the boring and cutting nozzles is permanently protected and kept free of deposits of coke or the like, the opening of the boring or cutting nozzle is respectively closable by a one- or multi-part flap, which is adjustable between a closed position and an open position.

Abstract: A method for continuous production of a thermally insulating mixture comprising silica particles and opacifier particles, in which a premixed stream comprising a carrier gas, silica particles and opacifier particles is introduced into a fine impact mill, ground and mixed therein, after which the solid is separated from the gas stream, wherein the fine impact mill is an air-stream mill comprising grinding tracks arranged one above the other on a rotatable shaft.

Abstract: The subject of the invention is a drive for an ultra-high-energy pulsatory-rotary mill that can be applied in the laboratory-class equipment. The objective of the invention is the use of the drive for an ultra-high-energy pulsatory-rotary mill which allows to accomplish the three-dimensional milling process in three axes with simultaneous control of amount of the supplied mechanical energy in real time. The rotary-planetary drive comprises an alternating-current motor (1) constituting the rotary motion drive and powered through an inverter (2) connected with the rotary mechanical energy counter (3), and an alternating-current motor (4) driving actuator (5) constituting the pulsatory motion drive and powered by inverter (6) connected with the pulsatory mechanical energy counter (7). Signals from mechanical energy counters (7) and (3) are conveyed to the digital recorder (8).

Abstract: A system and method for processing a supply of post-consumer scrap linear low density or low density polyethylene film into near-virgin quality blown film product. The method includes tearing the supply of film in a shredder, wherein the surface area of the film is exposed, including delaminating the film. The torn supply of film is washed in a water bath including a surfactant. The film is agitated in the bath containing the surfactant wherein contaminants on the film are removed from the film. The washed film is ground into smaller pieces and additional washing of the ground film in a rotating friction washer and a sink float tank occurs wherein additional contaminants are removed from the film. The ground film is then dried and compacted without addition of water into granulated objects of near-virgin quality blown film product.

Abstract: The present application relates to an apparatus for processing a food stuff. The apparatus has a housing (2), and a cutting tool (5) rotatably mounted in the housing (2) having a cutting edge (35) and a trailing edge (31). The cutting tool (5) is arranged to pass once per revolution through a processing region (43) in the housing in which a food stuff is receivable, and to pass through a recovery region (45). The recovery region is defined in the housing between the trailing edge passing from the processing region and the cutting edge passing into the processing region as the cutting tool rotates, and the cutting tool is free to rotate in the processing region without contacting the food stuff. Therefore, the cutting tool (5) acts on a food stuff as the cutting tool rotates through the processing region, and recovers the rotational speed lost due to acting on a food stuff in the processing region as the cutting tool (5) rotates through the recovery region.

Abstract: A plant (1) and method for recovering plastic materials of post-consumption materials, such as vehicle bumpers and tanks, in the plant, downstream of the volumetric reduction grinder (2), there is provided an intermediate grinder (6) and the washing vat (9) and the centrifuge (12) additionally being arranged upstream of the windmill/granulator (14), while in the method, an intermediate grinding step is arranged upstream of the grinding/granulation step and a subsequent washing step and separation in the vat of the parts of foreign materials through the difference of specific weight, including ferrous, non-ferrous materials and alloys thereof, of the material made of intermediate size, before the grinding/granulation step through windmill/granulator, wherein the washing and centrifugation water is subjected to a continuous purification cycle.

Abstract: A blade segment of a disc refiner for refining fibrous material has an inner circumference and an outer circumference as well as a first side edge and a second side edge which connect the inner circumference and the outer circumference. The side edges are curved, with one convex and the other concave. The segment has a refining surface with blade bars and grooves which define a pumping direction. The side edges of the blade segment curve in the vicinity of the inner circumference in the pumping direction, and in the vicinity of the outer circumference in a non-pumping direction.

Abstract: The present disclosure is also directed towards systems and methods for grinding a spice or grain material wherein a mill is comprised of a turn knob, a mill body, and a grind assembly and the turn knob is rotatably and slideably coupled to the mill body and sliding the turn knob relative to the mill body adjusts a grind setting of the mill and rotating the turn knob relative to the mill body grinds or mills the spice or grain material.

Abstract: A jar retainer mechanism for a blending appliance includes an articulating arm pivotally coupled to a housing of the blending appliance. The articulating arm is operable between engaged and disengaged positions and includes a latch member disposed on a first end of the articulating arm. The latch member is configured to engage an engagement tab disposed on a blender jar when the articulating arm is in the engaged position and the blender jar is received laterally in a jar receiving portion. A push member is disposed on a second end of the articulating arm and is configured to displace the blender jar when the articulating arm is moved towards the disengaged position.

Abstract: Processing waste materials to recover valuable metals, such as copper, from the materials. Waste materials are further refined to concentrate the metallic material after the waste materials are initially processed. Processes include employing air separation and screening. Processes also include employing a dynamic sensor and a vacuum pressure separator to separate metals from other materials. A central processing facility may process metal concentrate from multiple concentration facilities.

Abstract: An improved portable essence extractor and liquid container combination is provided in which an essence extractor having a muddling assembly that is removably connected to, and in continuous fluid communication with, a liquid dispensing container. The essence extractor and muddling assembly comprises a handle and a muddling mechanism. The muddling assembly is designed to act as a lid or be incorporated into the lid of the container providing a leak proof and compact container. The muddling assembly further has a separating mechanism limiting the intrusion of pulp or solids into the user's drink. The muddling assembly further provides for extension or retraction with a mechanical linearly adjustment mechanism. The muddling assembly therein forms the lid or is integrated with a lid of the container.

Abstract: A paper shredder, according to one embodiment, includes a paper support unit including a first paper support unit having a first length, a second paper support unit which is parallel with the first paper support unit and has a second length shorter than the first length, and a paper input slot between the first paper support unit and the second paper support unit; a roller having a portion that is exposed to the upper side of the second paper support unit through an opening formed in the second paper support unit; a cutter which is disposed under the paper input slot and shreds inserted paper; and a cover disposed on the paper support unit.

Abstract: An herb grinding device having a first, second, third, and fourth section is disclosed. The first section includes a T-shaped slot on an outside surface, and a plurality of teeth extending from a top surface within a first cavity. The second section is removably coupled to the first section and includes a second section floor, a plurality of holes in the second section floor, a plurality of teeth extending from the second section floor within a second cavity. The third section is removably coupled to the second section opposite the first cylindrical section and includes a channel extending therethrough. The fourth section is removably coupled to the third section opposite the second cylindrical section and includes a collection cavity. Each of the first, second, third, and fourth cylindrical sections include a plurality of grips having alternating grip protrusions and grip recesses positioned axially along an outer perimeter of each section.

Abstract: Apparatus for mulching organic matter such as brush and trees are disclosed. The apparatus have cutting teeth that include cladding for increasing the wear-resistance of the teeth. Cutting heads and vehicles that incorporate such teeth are also disclosed.