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7568902 |
Bitumen bale capsule, capsule dispenser, and bale strip former for viscous bitumen products
The present invention is directed to a bitumen bale capsule, capsule dispenser and bale strip former for viscous bitumen products comprising a bitumen bale capsule; a capsule dispenser (L) in order...
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7524447 |
Method for manufacturing formable thermoplastic laminates
One method for making a laminate material comprising a first surface layer comprising resorcinol arylate polyester chain members and a second surface layer suitable for bonding to a substrate,...
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7494331 |
Method and apparatus for forming resin film
The apparatus is for forming a resin film from a resin for a middle portion to form a resin film main body of the resin film and a resin for edge portions to form both side edge portions in a...
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7384254 |
Coextrusion adapter
A coextrusion adapter for an extrusion installation with extruders and a tool for producing a composite coextrusion structure of thermoplastic material. The coextrusion adapter has a central...
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7357890 |
Apparatus and method for extruding a multilayered structure
An apparatus and method for extruding a multilayered article employs a shearing rod connected to the end of an extruder screw. The shearing rod is rotated along with the extruder screw and shears...
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7311505 |
Apparatus for manufacturing rubber strip
An apparatus for manufacturing a strip of rubber compounds comprises four extruders ( 2 a , 2 b , 2 c , 2 d ) and a single extruder head ( 3 ). The extruder head ( 3 ) comprises an extruder die...
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7309223 |
Extrusion head device
An extrusion head device in which fixed and movable head parts as a plurality of separate parts can be easily combined using compact fastening means. Fastening cylinder rods provided for the fixed...
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7281917 |
Extrusion/reaction injection molding system
A method of manufacturing an extruded part having an exterior shell and a core foam material. The method includes extruding the exterior shell from an extrusion die, and reaction injection molding...
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7186102 |
Apparatus and method for low-density cellular wood plastic composites
A low-pressure CO 2 tank or an air compressor with a refrigerated air dryer is attached either at or after the vent zone of a standard twin-screw extruder. During or after extrusion, the gas is...
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7172403 |
Apparatus for preparing a gypsum wallboard core
A gypsum wallboard core, and methods and apparatus for making the same are disclosed. Methods of making a gypsum wallboard core include extruding a gypsum slurry containing water, gypsum, slip...
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7156635 |
Multi-layer food product system and process
A system produces a multi-layer product by forming as many different ingredients as is required for the final product in steps that can be separate from each other and then combining these...
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7147449 |
Device for the production of an extruded profile
A food product comprising a sugar wafer preferably cone-shaped having a filling of a substantially water-free fat-based confectionery material and a process for preparing it which comprises filling...
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7090479 |
Apparatus and method for manufacturing resin molded product
The manufacturing apparatus of a resin molded product has a feed block that sets a layer configuration of the resin molded product obtained by molding a plurality of molten resins. The feed block...
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7005180 |
Optically isotrophic polycarbonate films and a method for the production thereof
Injection-molding materials comprised of polycarbonate can be processed into optically isotropic films in a chill roll extrusion method. The optically isotropic films for protecting data carriers...
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6994817 |
Process and apparatus for the coextrusion of rubber mixtures
The invention concerns a process and apparatus for the coextrusion of rubber mixtures, comprising a main extruder ( 1 ) with an extrusion head ( 10 ) having at least two flow channels ( 14, 15 ),...
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6966763 |
Arrangement for making a belt made of plasticatable material
The two belt parts ( 2 a, 2 b ) of a belt ( 2 ) made of plasticatable material are produced with the aid of a first station ( 6 ) and a second station ( 8 ). The first station ( 6 ) includes a...
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6951233 |
Electrically conductive tire and apparatus and process for extruding elements which have been made conductive
A tire having a tread composed of two non-conductive layers, each layer containing a circumferential insert of conductive mix, the inserts having a wider interface at the interface of the two...
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6926512 |
Apparatus for extruding foamed polypropylene sheet having improved surface appearance
A coat hanger extrusion die wherein the aperture of the die land widens along the extrusion axis of the die to the die exit opening, thereby forming an expansion zone.
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6905324 |
Interface control
A method and apparatus for the extrusion of multilayered composite products, is provided. The inventive apparatus includes a coextrusion structure and a partition member. In accordance with the...
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6875517 |
Composite shape part containing polyarylene sulfide and silicon rubber
The present invention describes a composite molding comprising at least one polyarylene sulfide and at least one single- or multicomponent silicone rubber. The present invention further describes a...
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6866494 |
Device for producing a two-part tire layer
In a road vehicle tire, a two-part layer ( 2 ) of elastomeric material is preassembled by co-extruding a first and a second strip ( 19, 16 ) through a preforming plate die ( 26 ), through which...
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6805818 |
Apparatus and methods for forming patterned soft gelatin capsules
An apparatus and a process useful for producing patterned gelatin ribbons for forming patterned soft gelatin capsules are disclosed. The apparatus and process use multiple spreader boxes to form a...
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6783349 |
Apparatus for making multilayer optical films
Methods and apparatuses are provided for the manufacture of coextruded polymeric multilayer optical films. The multilayer optical films have an ordered arrangement of layers of two or more...
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6746227 |
Tire tread die
Providing a narrow strip of electrically conductive rubber extending from a lower undertread layer to the surface of the tread by positioning a slotted chimney block in an outer tread rubber...
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6743006 |
Die for extruding flowable materials and having a static mixer therein
An extrusion/coating die. The die has an internal cavity and one or more static mixers in the die cavity. The static mixer fills the die cavity at its respective cross section. The die may also...
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6729867 |
Device for manufacturing a flexible strip of at least two different masses flowable with the addition of heat
A strip casting device ( 2 ) has a casting container ( 14 ) from which through a casting gap ( 15 ) two different masses ( 12, 13 ) of a material flowable with the addition of heat are poured out...
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6695606 |
Extrudate shrinkage control and reduction
An extrusion apparatus for extruding visco-elastic materials includes an extruder head for preliminary shaping of a visco-elastic melt and a splice bar die assembly for final shaping of the...
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6676395 |
Equipment for extruding an expanded polymer sheet or plate
Equipment for extruding an expanded polymer sheet or plate comprising an apparatus for the gravimetric loading ( 11 ) of a certain number of component polymers and/or mineral fillers, an extruding...
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6626206 |
Feedblock for adjusting the dimensions of a set of co-extruded layers of a multi-layer sheet
A feedblock for supplying a multi-layer stream of polymeric material to an extrusion die is provided wherein the dimension of at least some of the layers of the multi-layer stream can be precisely...
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6604336 |
Roof tiles, roof tile layout, and method of manufacture
Complementary roof tiles for a staggered roof tile layout are provided by: (i) extruding and conveying a composite ribbon; (ii) demarcating the composite ribbon into an alternating succession of a...
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6527994 |
Method for preparing artificial marble of wave/wood pattern
Disclosed is a method for preparing artificial acrylic marble of wave/wood patterns by use of an apparatus comprising a rotational body and a liquid resin feeder. The liquid resin feeder comprises...
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6461138 |
Device for forming multilayer sheets and extrusion die therefor
Broad parts are formed on at least one passage including a passage for forming the thinnest layer among passages for respective resin layers of a multilayer sheet at an upstream side of a...
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6423140 |
Die set for preparing ABCABC multiple-stripe coating
The invention is related to the formation of three different and repeated stripes abbreviate as ABCABC-typed or A_B_C-typed at the die exit. The symbol, “_”, implies that there is no coating...
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6409494 |
Device for the extrusion of multi-layer plastic films, boards or tubes
A device for extruding multilayer plastic films, boards or tubes with a feed block, whose inputs are fed with polymer melts and which conveys the polymer melts from its inputs via individual layer...
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6398535 |
Layer sequence selecting device
An extrusion apparatus which simplifies changing the relative order of layers of a coextruded laminate, is provided. Advantageously, the apparatus includes an interchangeably disposed, layer...
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6305922 |
Spiral fed multi-layer tubular die
An extrusion die apparatus for extruding a multiple layer tubular product comprising an elongated cylindrical mandrel and a plurality of annular die elements mounted co-axially one behind the other...
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6294119 |
Production of unvulcanized tread rubber for pneumatic tires
A pneumatic tire includes a low conductive rubber portion forming at least a cap rubber portion of the tread rubber which provides a tread surface of the tire. A narrow high conductive rubber strip...
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6213748 |
Multiple extrusion head for the production of profiles, in particular for tire production
The invention relates to a multiple extrusion head for the production of profiles, in particular for tire production, with a fixedly arranged head flange, into which extruders open, and with a...
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6203651 |
Method and apparatus for making an extrusion product, and an extrusion product
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6203742 |
Method for forming multilayer sheets and extrusion die therefor
Broad parts are formed on at least one passage including a passage for forming the thinnest layer among passages for respective resin layers of a multilayer sheet at an upstream side of a...
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6186765 |
Apparatus for forming a molded multilayer product
Molten polymers are forced into T dies combined to form a multiple T die, the molten polymers are extruded through the T dies in monolayer. The monolayers extruded through the T dies are superposed...
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6022499 |
Method for striping or marbleizing capsules
An apparatus and a process useful for producing patterned gelatin ribbons for forming patterned soft gelatin capsules are disclosed. The apparatus and process use multiple spreader boxes to form a...
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6010592 |
Method and apparatus for increasing the flow rate of a liquid through an orifice
An apparatus and a method for increasing the flow rate of a pressurized liquid through an orifice by applying ultrasonic energy to a portion of the pressurized liquid. The apparatus includes a die...
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5971736 |
Device for joining at least two material flows in a laminar coextrusion machine
The invention relates to a device for joining together at least two material flows in a laminar coextrusion machine comprising at least two extruders, more precisely as many extruders as layers of...
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5928679 |
Elastomeric extruding apparatus
An elastomeric extruding apparatus having a head, to which a plurality of extruders are coupled, and a rotatable, driven roller disposed at the front end of the head so as to form an extruding...
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5872653 |
Birefringent interference polarizer
A birefringent interference polarizer which may be fabricated from readily available materials using established coextrusion techniques is provided. The polarizer has a level of light absorption...
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5780067 |
Adjustable coextrusion feedblock
A feedblock for coextrusion apparatus permits profile adjustment of individual layers through the use of flow tuning valves that extend across the width of a main flow through the feedblock.
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5716650 |
Multilayer modular extrusion die
An extrusion die is disclosed including a first member having a surface which includes a plurality of spiral channel segments formed therein and a second member having a surface which includes a...
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5705111 |
Methods for making multiple layer sheet materials
Methods related to coextrusion of heat-sensitive polymer materials. The sensitive melt stream element (12) is encapsulated in a second polymeric melt stream element (16). Transport means (36) is...
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5601851 |
Melt-blow spinneret device
A combined filament type, melt-blow spinneret device can correspond to various kinds of microfine, combined filaments, and includes a spinning-resin-feeding plate 2 having respective...
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