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Patent No. 5377411

Hair Cutting Appliance

A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.

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Class 241/247 - Horizontal axis


Subclass of Class 241 - Solid material comminution or disintegration
Definition: Devices in which the axis of rotation of the propeller or
No. of patents: 73
Last issue date: 01/08/2008


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NumberTitleIssue Date
7316501Apparatus and method for mixing dissimilar fluids
An apparatus and method for fluid mixing comprising a housing having an internal chamber and a rotatable unit disposed in the chamber. Sufficient clearance is provided between the rotatable unit and the housing to create space for the mixing of the two or more dissi...
01/08/2008
7314538Process and device for discharging lignocellulose raw materials from a digester and conveying the raw material to a refiner
A process for refining lignocellulose raw materials, especially wood chips, saw dust, annual plants or wood waste, includes dewatering the lignocellulose raw materials discharged from a digester, extracting condensate produced during dewatering, and refining the dew...
01/01/2008
7270469Apparatus and method for adding pigmentation to concrete mix
A pigmentation dispenser utilizes a hopper having two rotors therein, a first rotor above a second rotor. The second rotor moves the pigmentation material through an outlet opening and deposits it on a conveyor containing a concrete mix. The concrete mix and pigment...
09/18/2007
7258294Compacting apparatus
A machining waste metal recycling machine has an in-feed hopper. The hopper uses paired augers to move the waste metal through the hopper to a cutting and transporting auger. The hopper augers are powered independently from each other, and may be individually revers...
08/21/2007
7169258Process and a fluffer device for treatment of a fiber stock suspension
A device treats a fiber stock suspension with at least one additive, the fiber stock suspension being used for production of at least one of paper and cardboard. The fiber stock suspension includes a suspension medium and a fiber material. The fiber material has fib...
01/30/2007
7128286Double disk refiner, stock inducer therefor and method of refining low consistency stock
A double disk refiner and inducer for the same that mixes fiber in low consistency (6% or less by weight) stock and urges it towards both pairs of refiner disks of the double disk refiner. In a preferred embodiment, the inducer comprises an impeller that has at leas...
10/31/2006
7044410Round undulating blade and blade module for shredder
The present invention relates to a round undulating blade for shredder, where a sheet metal is integrally formed into a round undulating blade to serve as the blades for constructing a blade module. The blade includes: a periphery; an undulating blade flank includin...
05/16/2006
7044289Screw conveyor for the transport of flowable substances and/or lumps of material
A screw conveyor for the transport of flowable substances and/or lumps of material comprises a rotatable first screw (1) provided with helical windings (2) arranged in a housing (3) with an inlet opening and an outlet opening. The housing (3
05/16/2006
6958128Dynamic mixer screw tip
The present invention includes a screw tip for an extruder screw for effecting mixing in an extruder. The screw tip has a substantially conical outside surface and at least one discontinuous fin. The at least one fin protrudes from the outside surface of the screw t...
10/25/2005
6945487Feeding apparatus for cellulosic material
An apparatus for pressure tight discharge of refiner material, such as cellulosic material by using a screw which feeds the material between a screw shaft and screw housing whereby a pressure tight material plug is formed at an outlet of the screw housing. The screw...
09/20/2005
6939438Apparatus for loading fibers in a fiber suspension with calcium carbonate
An apparatus for loading fibers in a fiber suspension with calcium carbonate has a housing with an inlet and an accept outlet. A rotatable distribution member is positioned within the housing. A rotor and stator assembly is positioned within the housing radially out...
09/06/2005
6598816Chip detangler
A chip detangler is provided for a machine having a discharge trough for collecting fluid containing metal chips. An auger disposed along a longitudinal axis of the trough advances the fluid and chips downstream through an exit area. The detangler prefera...
07/29/2003
6299084Feeding device for fibrous material
Feeding elements are disclosed for use in connection with refiners for lignocellulosic fibrous material including a stationary refiner, a rotary refiner mounted for rotation in juxtaposition with the stationary refiner thereby forming a refining gap there...
10/09/2001
6206309Method and device for treatment of fibrous material
Methods and apparatus are disclosed for refining lignocellulosic material between a pair of relatively rotary refining elements forming an annular outer refining zone and a central feed zone. The method includes feeding the lignocellulosic material to the...
03/27/2001
6149083Machine and method for separating composite materials
A combination of screening structure for a composite usually food material made up, for example, of a relatively soft flesh component to be recovered and of relatively hard components usually disposed of as waste, and of dual material conveying and discha...
11/21/2000
5820041Food cutting apparatus
A suspension arrangement for rotatable feed worms of food cutting apparatus and knives mounted thereon for rotation thereby. The feed worms are provided with coaxially extending bearing pins which are mounted for resiliently biased movement in a coaxial r...
10/13/1998
5797547Methods and apparatus for delaminating sedimentary mica
A superior grade of flake mica product may be produced by applying shear forces to sedimentary mica to delaminate it into flakes. Shear forces are applied by rotating a plurality of arcuate blades within a confined cylindrical chamber containing the mica,...
08/25/1998
5626300Disc refiner with conical ribbon feeder
A feeder assembly for lignocellulosic chip refiner has a conical core having a major diameter end and a minor diameter end. A helically coiled ribbon is supported by and extends longitudinally in spaced relation with the core. The ribbon is defined by tur...
05/06/1997
5558283Coffee grinder device with feed worm and reversed grinding burr positioning
A coffee grinding apparatus for grinding coffee beans and distributing said beans into a basket for subsequent brewing of coffee having a pair of grinding disks where one of the disks is fixed to the housing and has an annular configuration with a central...
09/24/1996
5553792Variable analytical sampling mill and method
A sampling mill for grinding discrete materials to obtain a representative sample is provided by this invention. The mill is particularly useful for grinding various foodstuffs such as corn, peanuts, animal foods and the like. The material to be sampled i...
09/10/1996
5526991Apparatus for plasticizing thermoplastic synthetic plastics material
An apparatus for plasticizing thermoplastic synthetic plastics material, in particular scrap material, comprises a plasticizing screw (18) bearingly supported within a housing (21), to which screw the synthetic plastics material to be plasticized is suppl...
06/18/1996
5465915Apparatus for dividing a flow of fibrous material into at least two equally metered flows
Apparatus for controlling the flow of fibrous material is disclosed including a substantially horizontal feeder press, a rapidly rotatable spreader screw disposed in a vertical housing, with the outlet end of the feeder press connected to the vertical hou...
11/14/1995
5462238Apparatus and method for shredding insulation
The shredding apparatus comprises a shredder housing with an inlet having a flow regulator that feeds insulation into the housing at a selected rate. A blade assembly is positioned within the housing adjacent the inlet. The blade assembly rotates about an...
10/31/1995
5433389Method and apparatus for reclaiming foundry sand
A method and apparatus for reclaiming foundry sand wherein the speed of the rotor and/or the drum and, thus, the resulting striking, shearing and friction forces are adapted or matched to the changing surface hardness of the quartz grains to be processed ...
07/18/1995
5383608Twin conical refiner with dual ribbon feeders
Apparatus and method for the mechanical refining of high consistency lignocellulosic feed material in a frustroconical refining zone, by facilitating the backflow of steam generated in the refining zone through the upstream feed zone which, despite the ba...
01/24/1995
5289978Apparatus for continuous container label removal
This apparatus is a continuous processing device designed to remove labels and similar contaminants from granulated material prior to its reclamation into a manufactured product. The apparatus is particularly suited to the removal of adhesive backed produ...
03/01/1994
5040736Device for refining cellulose-containing material
Apparatus for refining lignocellulose containing material is disclosed, including a refiner housing including a pair of refiner discs relatively rotatable about a pair of rotatable shafts. Each refiner disc includes a refiner element mounted thereon in a ...
08/20/1991
5037034Mica delaminator
A mica plate delaminator has a delaminating cylindrical chamber with a flat disk mounted on a drive shaft at a 65 degree angle to the shaft. A screw feeder feeds material from a hopper into the delaminating chamber and the disc is rotated at 600-1200 rpm ...
08/06/1991
5011088Control method for a chip refiner
A method for controlling a chip refiner meters chips into a chip refiner with the help of a metering device, and feeder which is adapted to the chip refiner for feeding chips between refiner disks. Water is added to the chips prior to feeding them between...
04/30/1991
5011090Method for controlling a chip refiner
A method for controlling a chip refiner meters chips into the chip refiner with the help of a metering device and feeder which is adapted to the chip refiner for feeding chips between refiner disks. Water is added to the chips prior to feeding them betwee...
04/30/1991
4986480Method and apparatus for feeding a conical refiner
Mechanical cellulosic fibrous material pulp (mechanical pulp to produce paper products) having lower freeness, and enhanced light scattering properties, tensile and tear strengths, for a given energy input, is produced by force feeding a refiner. Using a ...
01/22/1991
4976471Mill
The disclosure relates to an apparatus for granulating excess material in the production of plastic article by means of knives (41) disposed at one end of a feeder screw (20) and cooperating with a number of preferably fixed counter knives (41) and a grid...
12/11/1990
4936515Coffee bean delivery and grinding system
A coffee bean delivery and grinding system for producing a charge of ground coffee comprising a bin and hopper for storing coffee beans, an auger being at least partially disposed in the bottom of the hopper, and a grinder having grinding wheels driven by...
06/26/1990
4908101Method and apparatus for mixing chemicals into fiber pulp
In a method and an apparatus for mixing chemicals into a fibre pulp, the pulp passes in a space between a fixed casing and a rotating device through three treatment sections. In the first treatment section a transport screw is arranged for transporting th...
03/13/1990
4881690Waste comminuting apparatus
An apparatus for comminuting grass clippings and other waste material comprising an elongate cylindrical barrel, an extrusion screw mounted for rotation within said barrel, an inlet opening at one end of the barrel through which material to be comminuted ...
11/21/1989
4872617Canted, spring-loaded feed screw support
A feed screw housing support includes a support pedestal (46), a spring loaded tie rod assembly (76), and a bearing assembly including pedestal bearing blocks (62) cooperating with mating bearing blocks (66) connected directly or indirectly to the housing...
10/10/1989
4836460Screw mill
A screw mill, for example, used for producing fine powder grains of calcium carbonate used as a bulking agent for paper. According to the screw mill of the present invention, the combination of the continuous screw and discontinuous vanes makes it possibl...
06/06/1989
4821966Grinding machine
A grinding machine comprised of adjustable grinding mechanism for grinding material into preselected sized grounds. The grinding mechanism includes a stationary grinding burr and a grinding burr affixed to an axially adjustable rotor assembly. The rotor a...
04/18/1989
4767065Material pulverizing apparatus
A pulverizing apparatus including a stator and a rotor, the rotor including a plurality of concentric rows of stairstep-like movable teeth which intermesh with a plurality of concentric rows of similar stairstep-like fixed teeth on the stator. Each tooth ...
08/30/1988
4749135Peanut grinding apparatus
A motor-driven nut-grinding apparatus is constructed to effectively operate at much lower than conventional speeds and has a front-mounted, unitary casting part providing a back mounting plate wall, a feed chute, a forwardly extending feed and grinding hu...
06/07/1988
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