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Class 100/337 - Helix-type press


Subclass of Class 100 - Presses
Definition: Apparatus wherein the means for subjecting the material
No. of patents: 14
Last issue date: 03/18/2008


NumberTitleIssue Date
7344033Solid-liquid separator
To provide a solid-liquid separator in which a treatment object such as sludge can be transported without clogging, liquid can be efficiently separated from the treatment object, and a maintenance operation can be easily conducted. Movable plates 12 and fixed...
03/18/2008
5826500Apparatus for treating oil-bearing material
An apparatus and method for treating oil-bearing material which includes an extruder having an elongated enclosure with an inlet end. The extruder also includes a worm assembly for working and advancing the material through the enclosure from the inlet en...
10/27/1998
5685218Method for treating oil-bearing material
An apparatus and method for treating oil-bearing material which includes an extruder having an elongated enclosure with an inlet end. The extruder also includes a worm assembly for working and advancing the material through the enclosure from the inlet en...
11/11/1997
5165471Heat exchanger fluid removal system
This invention pertains to apparatus for removing heating or cooling fluid from a rotary heat exchange device comprising a hollow shell defining a shell chamber with an inner surface and an outer surface. The shell has first and second ends and a generall...
11/24/1992
5151026Apparatus for removing liquids from solids
An apparatus for extracting a liquid from a workable mass of material includes a first screw section for transporting the material, a second screw section which applies a force on the material in a direction generally opposite that of the transport direct...
09/29/1992
4901635Apparatus and method for the continuous extrusion and partial deliquefaction of oleaginous materials
An extruder for treating high-oil-content material such as certain oilseeds, is used to prepare the material for later solvent extraction of oil from the material. The extruder has an elongate barrel and a rotating wormshaft therein which advances the mat...
02/20/1990
4762647Ion exchange resin volume reduction
A process is described for reducing the volume of spent ion exchange resins containing radioactive contaminants, and a filter aid having groups reactive with the functional groups of the resins. Spent ion exchange resin and the filter aid are dewatered, t...
08/09/1988
4700622Apparatus for compressing and solidifying fibrous materials of plants
An apparatus for compressing and heating a material to be treated, i.e., fibrous materials of plants such as true grasses or the like, changing the quality of the material, and solidifying the same. The material to be treated is delivered by a rotatable s...
10/20/1987
4446094Apparatus and method for extracting fluid from an extruded material
An apparatus and method for extracting water from rubber is provided. The rubber is screw conveyed in a twin screw extruder and alternately compressed between the forward side of the screw conveying threads, the inner extruder chamber wall and the wedge-s...
05/01/1984
4401023Worm press
A worm press, especially for pressing vegetable matter, e.g. in the pressing of oil from oil-bearing seeds and fruits, comprises a worm having a plurality of worm sections and a housing within which the worm rotates and which is formed with rings defining...
08/30/1983
4229946Plant for collecting and briquetting domestic waste
In the plant for collecting and briquetting domestic waste the housing has loading and discharge openings and coaxially accommodates therein a chamber for forming domestic waste into briquettes and a conveyer screw for compacting the domestic waste, opera...
10/28/1980
4024168Method of extracting oils from fruits such as seeds nuts and beans
Fruits, such as nuts and the like, are loaded at an inlet end into an elongated housing having a passage provided with a rotatable screw. At the end adjacent the inlet the screw serves to crush and thoroughly comminute the fruit so that the oil therefrom ...
05/17/1977
4014790Apparatus for recycling filtration media
A filtration system discharging dry sludge material comprising filter aid material and contaminants removed from the liquid which have all been subjected to heat and mechanical action. These materials are conveyed from the discharge of the filtration syst...
03/29/1977
3973922Artificial logs and log-making method and apparatus
Artificial logs are made by forcing a mixture of wood chips and a binder such as wax or paraffin through a tube by means of a feed screw. A section of the tube beyond the feed screw includes a short first portion of constant diameter which by itself has a...
08/10/1976
 
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