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| Number | Title | Issue Date |
| 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 barrel through a straightening vane and a filter net, the straightening ... | 09/29/2009 |
| 7438550 | Plant for the preparation of materials A material processing plant comprises a first screw-type extruding machine and a second screw-type extruding machine downstream thereof. The screw-type extruding machines are connected to one another by means of a function casing which is embodied for displacement s... | 10/21/2008 |
| 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 least two filter elements are arranged in corresponding filter regio... | 09/02/2008 |
| 7411163 | Device for providing a melt The invention relates to a device (1) for providing a melt, in particular a plastic melt. Said device (1) comprises a feed unit (2) for material components, at least one purification unit (4) for the flowing melt, in particular a rotatabl... | 08/12/2008 |
| 7332035 | Multiple orifice applicator with improved sealing A multiple orifice applicator system for dispensing a plurality of rows of fluid material onto a work piece is disclosed. A source of fluid material is in fluid communication with the multiple orifice applicator. The multiple orifice applicator is mounted to a robot... | 02/19/2008 |
| 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 |
| 7303706 | Device for producing expanded plastic moulded parts in an injection moulding process, using compressed physical expansion fluids The manufacture of foamed polymer trim parts making use of physical blowing agents requires the diffusion and sorption of the blowing agent in the polymer melt. Said diffusion and sorption are achieved by intensive mixing. Therefore a statical mixing device is enclo... | 12/04/2007 |
| 7300612 | Hollow strandfoam and preparation thereof Prepare a foam structure that includes hollow coalesced foam strands and, optionally, solid coalesced foam strands using an extrusion die block equipped with apertures that promote forming the hollow strands and, optionally, the solid foam strands. ... | 11/27/2007 |
| 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 |
| 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 sieving sections (16) separated from one another. The... | 09/11/2007 |
| 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 |
| 7238015 | Control system for continuous rubber molding apparatus A control system for continuous rubber molding apparatus comprising; a feed portion for feeding a rubber material previously removed of foreign substances or particles in the previous step; an extruder for kneading the fed rubber material and feeding forward the kne... | 07/03/2007 |
| 7198400 | Static mixer and a method of manufacture thereof A static mixer comprising a mixer body with a first and a second array of intermeshed and interconnecting passageways formed therein that connect, and provide a convoluted flow path between, flow faces at ends of the mixer body. The first and second arrays of passag... | 04/03/2007 |
| 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 |
| 7137532 | Strainer and level indicator for a hot melt adhesive system A strainer for a hot melt adhesive system is fixed to the side wall(s) of a tank without fasteners to strain the adhesive flow and protect a pump of the system. The strainer may also be configured to act as a shield for a level indicator located within the tank.... | 11/21/2006 |
| 7131625 | Ejector pin and method An insert for a mold comprising a plug, having an insert face, and a receiver defined by a sidewall with one of the plug and the receiver having a groove that receives a guide that extends from the other of the plug and the receiver so as to facilitate rotation of t... | 11/07/2006 |
| 7132071 | Method of molding using a plunger machine with a tapered bore A method of molding reinforced polymer compositions using a molding machine with a tapered bore is provided. The method has particular application in molding polymer that is reinforced with particles having an aspect ratio that is greater than 1:1. The plunger machi... | 11/07/2006 |
| 7124895 | Device for continuous filtration of material blends A device for the continuous filtration of material blends, in particular for separating impurities from plastic melts. A housing has a hollow cylindrical filter disposed inside. An inside chamber is disposed inside the filter. An annular chamber is defined by the ou... | 10/24/2006 |
| 7108824 | Method and apparatus for molding plastic materials with a metallic appearance An apparatus and method for molding plastic materials is provided comprising a mold having a first mold section (12) and a second mold section (14) with a mold cavity (16) disposed in between. A first gate design is provided by at least one firs... | 09/19/2006 |
| 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 |
| 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 |
| 7077642 | Plunger molding machine with tapered bore and thermal transfer fins A plunger machine for molding reinforced polymer compositions is provided. The plunger machine has particular application in molding polymer that is reinforced with particles having an aspect ratio that is greater than 1:1. The plunger machine includes a barrel hous... | 07/18/2006 |
| 7077639 | Spiral-webbed mandrel An mandrel for extrusion of hollow bodies, such as, polyvinyl chloride (PVC) hard, compact, and foamed pipes, includes an inner collar and an outer collar, and webs radially joining the inner collar and outer collar. The webs can be arranged twisted and/or offset in... | 07/18/2006 |
| 7073433 | Auger dewatering system A system for transporting and dewatering solids in a fluid system. An auger is used to transport solids and provide first stage compaction. A dewatering plate having a restricted opening provides second stage compaction and dewatering. The auger maybe be shafted or ... | 07/11/2006 |
| 7056456 | Extrusion method and extruder In an extrusion method and an extruder, an annular material flow is created by extruding material into an annular extrusion channel (6). The extruder has a tubular filtering unit (7) arranged to the annular extrusion channel (6), whereby the ann... | 06/06/2006 |
| 7051904 | Pump with integral filter for a hot melt adhesive system An pump for use with a dispensing unit of a hot melt adhesive system includes a removable filter. The filter is coupled with a cartridge which is threaded into a chamber of the pump. The chamber is located between the inlet and outlet of the pump so that this portio... | 05/30/2006 |
| 7037102 | Plunger molding machine with tapered bore and thermal transfer fins A plunger machine for molding reinforced polymer compositions is provided. The plunger machine has particular application in molding polymer that is reinforced with particles having an aspect ratio that is greater than 1:1. The plunger machine includes a barrel hous... | 05/02/2006 |
| 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 |
| 7021922 | Apparatus for portioning flowable materials The invention relates to a portioning apparatus and a method. The apparatus includes a hopper and augers to push flowable material to a rotor. Retractable vanes on the rotor push the flowable material toward a fill slot as the rotor rotates. Below the fill slot, the... | 04/04/2006 |
| 7015427 | Apparatus and method for melting and supplying thermoplastic material to a dispenser An apparatus including a tank having at least one side wall for receiving solid or semi-solid thermoplastic material and a base member supporting the side wall(s) for heating and melting the thermoplastic material. The base member has a heated upper surface sloped d... | 03/21/2006 |
| 6994795 | Device and method for the filtration of viscous material An apparatus for filtering viscous material, in particular thermoplastic synthetic plastic material, comprises a screw (24), which presses the material to be cleaned from an upstream conduit (3) of a supply housing (2) towards a band-shaped scre... | 02/07/2006 |
| 6957953 | Reservoir reducing screw tip An extruder for extruding extrudate is provided and includes a generally cylindrical barrel portion having an end face. A screw conveyor is rotatably arranged coaxially within the barrel portion and has a downstream end. The screw conveyor has helical flights that d... | 10/25/2005 |
| 6945764 | Method and apparatus for distributing material in a profile extrusion die A method and apparatus for extruding plastic products having large cross sections, which require a correspondingly large die cross section, is described in which the cross section of the die is divided into regions of predetermined flow and separate flow streams are... | 09/20/2005 |
| 6893151 | Device for conveying elastomeric media, use of the device, as well as two operating methods A system for delivering elastomeric media comprises a gear pump and a screw-type extruder which, viewed in the delivery direction of the pumping medium, is arranged in front of the gear pump and which comprises a screw and a screw casing. The screw casing has at lea... | 05/17/2005 |
| 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 |
| 6743387 | Process for the production of a cable and device for performing this process A process for producing cables, in particular cables for the distribution of electrical energy or cables for telecommunications, more particularly, cables having at least one covering layer having a composition of high viscosity. cables with at least one covering la... | 06/01/2004 |
| 6702966 | Method for manufacturing cement fiber sheets A method is provided for manufacturing cement fiber sheets by supplying slurry primarily including fibers and cement as main material components onto a permeable sheet, and suctioning and dewatering the slurry. The method includes a foreign matter removin... | 03/09/2004 |
| 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 apparatus (17) consisting of a thermally controlled co-rotat... | 01/13/2004 |
| 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, as seen in the flow direction of the liquid to be filtere... | 11/04/2003 |
