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8146750 |
Rotary fan press
A system for extracting liquid from a mass comprising a portable platform having an upper surface, a system mass input, a polymer feeding and blending system on the upper surface, a liquid...
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8066924 |
Method of manufacturing an alloyed film and apparatus for the method
A method and apparatus for carrying out the method are for forming a sheet or film of thermoplastic polymer alloy by extruding an intimate blend of incompatible polymer materials, such as...
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8029259 |
Array of nozzles for extruding multiple cellulose fibers
An array of nozzles is disclosed for forming multiple cellulose fibers. Each nozzle has a longitudinal central axis and includes a tube with a cross-section having a diameter through which an...
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8029260 |
Apparatus for extruding cellulose fibers
An apparatus is disclosed for extruding cellulose fibers. The apparatus includes a first member, a second member and a third member all secured together. Multiple nozzles extend outward from the...
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8017010 |
Device for filtering a liquefied synthetic material
A device for filtering a liquid synthetic material. The device has a housing, a feed channel, a discharge channel, and backflow channels. The feed duct is subdivided into split-feed channels (2A,...
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8017002 |
Device for filtering a fluid, particularly for plastic processing plants
The invention relates to an arrangement and a device for filtering a fluid, particularly for plastic processing plants, wherein the pressure drop, or the flow rate reduction, created by the...
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7976706 |
Melt filter
A melt filter, for the purification of plastic melts, particularly dispensed from extruders, comprises a housing (1) with a melt channel (10), connecting a melt inlet (7) to a melt outlet (9), with...
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7975854 |
Rotary fan press
A system (10) for extracting liquid from a mass comprising a portable platform (12) having an upper surface (14), a system mass input (16), a polymer feeding and blending system (18) on the upper...
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7661941 |
Machine with vibratable section
A machine for treating or processing a conveyable material, particularly a free-flowing or pasty material or a bulk material comprises at least one passage section having at least one passage...
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7594807 |
Twin-screw extruder
In a twin-screw extruder including a barrel, which has two screws disposed in parallel in its inside and an opening at one edge, and an extrusion molding die disposed to the opening side of the...
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7419592 |
Device for filtering a fluid especially for plastic-processing installations
The invention relates to a device for filtering a fluid, especially a liquefied plastic, said device comprising a housing, a supply channel, a discharge channel and optionally backwash channels. At...
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7267234 |
Backflushable filter device for molten material and distribution unit for a filter device of this type
A backflushable filtering apparatus for a molten material, particularly for a plastic melt, comprises a housing (1) in which a sieving arrangement (17) is provided which includes at least two...
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7147774 |
Sliding plate filter with segmented sealing ring
A filtration apparatus for use in polymer processing includes a housing having an internal bore for directing polymer flow and a channel oriented transversely to the bore. A slide plate for...
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7108500 |
Process and apparatus for recycling of PET-material
Within a process for recycling of PET-material and/or objects of PET, the PET-material to be processed is heated and dried in the course of a pre-treatment step and simultaneously is crystallized...
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6852260 |
Process for preparing cleansing bars having well-defined platelet striations therein
A process for preparing a cleansing bar having well-defined platelet striations therein which comprises extruding a cleansing bar composition having platelets therein to form a cleansing bar using...
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6843915 |
Cleaning device for sieve discs
A device for cleaning melt filters which are intended for filtering melts, particularly plastic material melts in extruders, and which include at least one moveable sieve disc with one or more...
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6790025 |
Extrusion molding apparatus
An extrusion molding apparatus capable of improving the extrusion rate of the ceramic material without a major reconstruction of a drive system is disclosed. The extrusion molding apparatus...
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6776946 |
Method and apparatus for rubber extruding
Increase or decrease in rubber extruding rate can be freely adjusted while keeping a sectional shape of a rubber extruded intermediate constant. A discharge port of a rubber flow path of a die...
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6716016 |
Self-sealing compact spinneret for a melt spinning process
The invention relates to a spinneret for spinning thermoplastics. Said spinneret comprises a central polymer inlet channel, a filter assembly (2), consisting of one or more filter plates of various...
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6663378 |
Apparatus for correcting bow in a honeycomb extrudate
Apparatus and a method for extruding a honeycomb, providing correction in bowing of the extruded honeycomb structure, employs a deflector device having a base plate including an aperture aligned in...
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6641728 |
Device for filtering a liquid, particularly for filtering a polymer plastic melt
A device for filtering a liquid, in particular for filtering a polymer plastic melt, has a housing which includes an inlet channel, a connecting channel situated in a shaft and a discharge channel,...
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6582598 |
Wave filter for rotary filter
Rotary filters, known within the polymer melt filtration industry, are improved by the provision of wave shaped filter support plates within the filter chambers of a rotatable disc of a filter....
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6537454 |
Device for influencing the flow-through of plastic material which is heated such that it can flow through a housing
A device for controlling the flow of plastics material, heated until flowable, through a housing, in particular a filtering device or a direction-control device for the plastics material, comprises...
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6533934 |
Filter-replacement cassette
A filter-replacement cassette for an extruder. A housing (1) has at least one bore. The bores (2 & 3) extend above and below and at a right angle to the horizontally flowing plastic. A cartridge (4...
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6500336 |
Polymer melt filtering device with changing filter packets
A polymer melt filtering device comprising a housing with an inflow (3) and an outflow (4) for the polymer melt, in addition to a slider (5) which can be sealingly displaced therebetween,...
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6474967 |
Breaker plate assembly for producing bicomponent fibers in a meltblown apparatus
A die head assembly for producing meltblown bicomponent fibers in a meltblown apparatus includes a die tip detachably mounted to an underside of a support member. The die tip has a row of channels...
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6461133 |
Breaker plate assembly for producing bicomponent fibers in a meltblown apparatus
A die head assembly for producing bicomponent meltblown fibers includes a die tip detachably mountable to a support member. The support member conveys first and second polymers separately to the...
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6422852 |
Filter device for extruders and injection moulding machines
A filter device for extruders and injection moulding machines designed to process thermoplastics, comprising filter elements that are fitted in at least two separate ducts of a housing between at...
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6392007 |
Multi-pixel liquid streams, especially fiber-forming polymeric streams, and methods and apparatus for forming same
At least two different liquid streams are sub-divided into a dense plurality of individually separated parallel pixels oriented in respective misregistered arrays. Therefore, an individual pixel of...
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RE37681 |
Filter member and screen changer for use in resin extruder
A filter member includes a breaker plate having an increased filtering area without any deterioration in screen back-up capability. This filter member is adapted to filter off impurities of resin...
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6375450 |
Extrusion apparatus for ceramic honeycomb articles
An improvement in a process of making honeycomb articles, which process utilizes a co-rotating, intermeshing twin screw extrusion apparatus to mix, screen, and extrude a batch of ceramic materials...
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6342156 |
Multi-segment continuous filtration system
A multi-segment filter system is provided for continuous filtration of high viscosity materials, such as polymer melts. In particular, each segment comprises a filter screen positioned between a...
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6325217 |
Backflush attachment for a filtering device
A backflush attachment for a filtering device, in particular for a plastics melt filter, the backflush attachment comprising a housing having guide channels following an entry bore, as well as...
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6325922 |
Filter device for cleaning plastics melts
A filter device for filtering plastic melts includes a filter wheel having cavities which are covered by screening elements. A pressure sensor is provided in a melt inflow line upstream of the...
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6309570 |
Vacuum extrusion system for production of cement-based articles
A system for making extruded cement-based articles. The process can include forming a cement-based feed mixture including water, aggregate and binder and directing the feed mixture to a vacuum...
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6270703 |
Polymer filteration apparatus and method of use
The present invention includes a filtration apparatus for an injection molding machine where the injection molding machine includes a screw housed within a bore for generating molten polymer. A tip...
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6261079 |
Screen exchanging device
At a distal end of a slide bar 4 which is axially slidably inserted in a through hole 1a of a housing 1 is formed a cylindrical filter chamber 7. The filter chamber 7 has a communicating hole 6...
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6241503 |
Spin pack for spinning multiple component fiber yarns
A composite yarn formed of at least two different individual polymeric fibers may be spun by directing at least two streams of different polymer melts (e.g., polymer melts of different colors...
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6238558 |
Filter changer with bimodal sealing means
A slide plate filter changer having an upstream seal ring bearing on the filter carrier in the operative position to prevent fluid leakage into the filter carrier channel. The seal ring is...
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6221266 |
Variable capacity continuous extended area filter
A molten polymer filtration assembly includes at least three independently controllable and removable filter housings which extend from a common inlet passage to a common outlet passage, thereby...
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6206558 |
Extrusion system
An extrusion system is provided with a screen changer between in-line screw sections. An in-line seal diverts high pressure, high temperature foamable material toward the screen changer. The seal...
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6196820 |
Device for filtering plastics in injection molding machines
A process and a corresponding device for filtering plastics in an injection molding machine having a plasticizing unit and a mold cavity. A slide having a receptacle for a filter element is...
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6168411 |
Polymer filtration method and apparatus
The present invention includes a filtration apparatus for an injection molding machine where the injection molding machine includes a screw housed within a bore for generating molten polymer. A tip...
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6153093 |
Filter screen pack for extrusion die
The filter intercepts dirt emanating from a molten-polymer extruder. The filter is clamped between perforated support plates, and a rotor sweeps the holes in the upstream plate. The rotor defines a...
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6117338 |
Continuous polymer melt filtration
Apparatus for continuously filtering molten polymer comprising: an arbor seated in a fixed support, the arbor having inlet and outlet ports for respectively receiving contaminated and discharging...
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6039908 |
Method for honeycomb extrusion using a corrected flow gradient
Apparatus and a method for extruding a honeycomb, providing reductions in curvature or bowing of the extruded honeycomb structure, employs a bow deflector positioned upstream of the extrusion die,...
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6033609 |
Device and method to prevent spinneret hole contamination
A spin pot for spinning synthetic polymer fibers has a polymer filter, a spinneret downstream of the polymer filter, and an electroformed perforated screen positioned between the polymer filter and...
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6010625 |
Screen changer with controlled gap
A continuous flow filter changer for a fluid having a filter carrier assembly for intermittent sliding transition displacements in a filter channel to align adjacent filters thereon successively...
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5958255 |
Method and apparatus for filtering a polymeric melt
A filtering method and apparatus for continuously filtering a polymeric melt, which includes a plurality of filter chambers which are arranged in a melt flow path parallel to one another. Also, an...
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5928523 |
Method and apparatus for continuously filtering a polymeric melt utilizing an intermediate filter of reduced surface area during filter cleaning or replacement
A filtering method and apparatus for continuously filtering a polymeric melt, which includes a plurality of filter chambers which are arranged in a melt flow path parallel to one another. Also, an...
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