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| Number | Title | Issue Date |
| 7406779 | Variable die for use in drying synthetic elastomers Apparatus and methodologies are provided for flash drying liquid materials using a variable die. A die and a die body are provided with an adjustably configured pressure regulating variable obstruction in the material flow path that allows control of the pressure ap... | 08/05/2008 |
| 7351052 | Apparatus for producing nanofiber utilizing electospinning and nozzle pack for the apparatus The apparatus for producing a nanofiber includes a supply unit (110) for supplying melted polymer for fiber material, a spinning unit (122) having several radiation nozzles (122) to which first voltage having a polar is applied to discharge the ... | 04/01/2008 |
| 7329116 | Double-webbed mandrel An mandrel for extrusion of hollow bodies, such as, polyvinyl chloride (PVC) hard, compact, and foamed pipes, includes an inner collar, an outer collar, and a middle collar, each of the collars being radially joined by webs to the particular adjoining collar. Each i... | 02/12/2008 |
| 7276194 | Method and apparatus for extruding a ceramic material A method is provided for manufacturing a thin-walled honeycomb ceramic substrate by extruding a plasticized ceramic batch material through a filter screen having wedge shaped filter wires to remove foreign particulate and agglomerated batch material. The filter wire... | 10/02/2007 |
| 7270531 | Assembly for use in continuously forming one or more lengths of noise attenuating flexible cutting line for use in rotary vegetation trimmers An assembly for use in continuously forming a plurality of lengths of flexible noise attenuating cutting line for use in rotary vegetation trimmers. The assembly includes a breaker plate having a conically shaped inner portion and a planar outer portion. A plurality... | 09/18/2007 |
| 7244115 | Extruder for producing bodies of consolidated particulate material Shaped bodies of particulate material are produced by introducing an easily flowable slurry of water and particulate material into a mold with perforated walls and applying a sufficiently high pressure to the slurry in the mold so as to express a sufficient proporti... | 07/17/2007 |
| 7193397 | Voltage converter A voltage converter includes a transformer circuit, a filter, and a controller. The transformer circuit is coupled to the filter, and the controller is coupled to the transformer circuit and the filter. The transformer circuit includes an input port and an autotrans... | 03/20/2007 |
| 7175411 | Process for the production of a cable and device for performing this process The present invention concerns a process for producting cables, in particular cables for the distribution of electrical energy or cables for telecommunications, more particularly, cables having at least one covering layer comprising a composition of high viscosity. ... | 02/13/2007 |
| 7175407 | Linear flow equalizer for uniform polymer distribution in a spin pack of a meltspinning apparatus A linear flow equalizer for distributing thermoplastic material to a spin pack of a meltspinning apparatus that provides for uniform apportionment of a flow of a flowable thermoplastic material at least vertically and in a cross-machine direction of the spin pack. T... | 02/13/2007 |
| 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 at elevated temperature. This pre-treatment step is followed by a main... | 09/19/2006 |
| 7101165 | Extrusion molding apparatus for ceramic molded product An extrusion molding apparatus comprises a shaping die for producing a ceramic molded product, and a screw extruder having built therein an extruding screw (40) for mixing while leading a ceramic material forward. The extruding screw (40) includes a pr... | 09/05/2006 |
| 7101166 | Apparatus for extruding ceramic molding The extruding apparatus has the molding die to form the ceramic molding, the screw extruder containing the extrusion screw to knead and guide the ceramic material toward the molding die. The extrusion screw is comprised of the pressure screw part and the diffusion s... | 09/05/2006 |
| 7090480 | Method and apparatus for molding ceramic sheet A method and an apparatus capable of extrusion molding a comparatively wide, thin ceramic sheet using a screw extruder while suppressing the wrinkling thereof. The molding apparatus includes a screw-type extruder and a mold at the forward end of the extruder is used... | 08/15/2006 |
| 7056581 | High-strength thin sheath fibers A fiber comprises a core, a sheath, and an additive that determines a desired physico-chemical parameter of the fiber, wherein the fiber is spun such that without increasing the concentration of the additive the desired parameter increases when the volume of the she... | 06/06/2006 |
| 7033153 | Lamellar meltblowing die apparatus and method A lamellar die apparatus for extruding a heated liquid into filaments and directing air at the filaments. The apparatus includes a plurality of plates each having opposite side faces. At least two of the side faces confront each other and have a liquid passage posit... | 04/25/2006 |
| 7033154 | Lamellar extrusion die apparatus and method A lamellar die apparatus for extruding a heated liquid into single or multiple component filaments. The apparatus includes a plurality of plates each having opposite side faces. At least two of the side faces confront each other and have a liquid passage positioned ... | 04/25/2006 |
| 7029262 | Method and apparatus for making pellets of wood meal compound A method and apparatus for making pellets of wood meal compound according to the present invention is constructed in such a manner that synthetic resin material and wood meal material are supplied into a hopper (3) in a most upstream position, and kneaded in ... | 04/18/2006 |
| 7019988 | Switching-type power converter An apparatus for increasing efficiency and reducing heat dissipation in power converters is disclosed. Zero-voltage-switching (ZVS) can reduce switching loss of power converters but it often results in a very complicated design and only works well under constant out... | 03/28/2006 |
| 7008586 | Method of extruding multi-component liquid filaments An apparatus for extruding multiple types of liquid materials into multi-component filaments. A pair of outer manifold elements sandwich an intermediate manifold element. Respective channels are formed between opposing sides of the outer manifold elements and the re... | 03/07/2006 |
| 6946093 | Method for meltblowing multi-component liquid filaments An apparatus for meltblowing multiple types of liquid materials into multi-component filaments. A pair of outer manifold elements sandwich an intermediate manifold element. Respective channels are formed between opposing sides of the outer manifold elements and the ... | 09/20/2005 |
| 6863935 | Multi-stage processes for coating substrates with multi-component composite coating compositions A process for coating a substrate is provided which includes the following steps: (a) applying a waterborne base coat composition to a surface of the substrate; (b) applying infrared radiation at a power density of 1.5-8.0 kW/m2 and a first ... | 03/08/2005 |
| 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 an extruder having a perforated barrier across the cross section of t... | 02/08/2005 |
| 6830715 | Method and device for producing elastane threads from recycling material Method and device for producing elastane threads from spinning solutions using recycled elastane material. ... | 12/14/2004 |
| 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 comprises screw extruders (2, 3) including housings (29, 39) h... | 09/14/2004 |
| 6716019 | Extrusion molding apparatus for ceramic molded product An extrusion molding apparatus for a ceramic molded product which is capable of passing a ceramic material smoothly through a filter unit is disclosed. The extrusion molding apparatus comprises a mold (11) for molding a ceramic molded product, a screw extrude... | 04/06/2004 |
| 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 filtration grades, a spinneret plate (3) and a housing... | 04/06/2004 |
| 6716015 | Distribution system for a pastillation machine In a pastillation machine, an improved distribution system is provided. The distribution system comprises: a distribution bar having a bore extending therethrough, a series of holes located on an inlet surface of the bar, a series of slots located on an outlet surfa... | 04/06/2004 |
| 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 a direction parallel to the extrusion axis through which ... | 12/16/2003 |
| 6616438 | Continuous polymerization and direct fiber spinning and systems for accomplishing same Continuous anionic polymerization and melt-spinning of a polycaprolactam includes forming a reaction mixture by bringing at least two streams of liquid caprolactam respectively containing a polymerization initiator and co-initiator into contact with one a... | 09/09/2003 |
| 6604928 | Filtering device and spinning head A filtering device for a spinning head for producing plastic threads. The spinning head has a housing in which the plastic melt flows through a filter element under pressure before exiting the spinnerets. The filter element is provided with a filtering ma... | 08/12/2003 |
| 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 defined therethrough terminating at exit orifices along a ... | 11/05/2002 |
| 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 die tip. The die tip has a row of channels defined therethro... | 10/08/2002 |
| 6413072 | Extrusion die and methods of forming Improved batch uniformity delivered to the discharge slots of an extrusion die is obtained by providing a stressor component of reduced cross-sectional area from the feedholes which suddenly increases the linear flow velocity due to its reduced cross-sect... | 07/02/2002 |
| 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 bottom breaker plate and a top cover plate. The filter scree... | 01/29/2002 |
| 6296468 | Extrusion die A process for manufacturing an expanded cereal with the overall shape of an array of touching balls and an extrusion die and an extruder for use with the process. The die includes a feed ring for receiving material from an extruder, a cylindrical distribu... | 10/02/2001 |
| 6284174 | Melt spinning pack and synthetic fiber manufacturing method A melt spinning pack, including a pack case, a spinneret having many spinning holes positioned at the bottom of the case, a pack cap having a polymer introducing hole at the center positioned at the top of the case, and a flow arranging plate having many ... | 09/04/2001 |
| 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 member extends axially from the screw. The tip member has... | 08/07/2001 |
| 6244849 | Extruder die assembly An extruder die assembly adapted for attachment to the output end of an extruder barrel. The die assembly includes an adapter member and a die head. The adapter member is attached to the extruder barrel, and the die head is pivotally attached to the adapt... | 06/12/2001 |
| 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 and/or characteristics) to a spin pack such that one of the str... | 06/05/2001 |
| 6171536 | Apparatus and method for melt spinning of molten polymeric material A method and apparatus for melt spinning molten polymeric material into filaments, preferably embodied in the form of a spin pack assembly, utilizes an annular polymer filter formed of a screen mesh material to have a U-shaped axial cross-section defining... | 01/09/2001 |
