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| Number | Title | Issue Date |
| 8162644 | Die for extrusion forming head The invention is made to accelerate extrusion forming by reducing a friction between a forming rubber formed to cover a cord or formed to extrude and an inner wall face of a path at inside of a die as the die used for an extrusion forming head, a portion of an upstr... | 04/24/2012 |
| 8092204 | Apparatus and method for inflation extrusion molding of pressure-sensitive adhesive sheet The present invention provides an apparatus for inflation extrusion molding of pressure-sensitive adhesive sheet, the apparatus including: one or a plurality of extruders; a die into which one or a plurality of resin materials including at least a resin material for... | 01/10/2012 |
| 8062013 | Device for internal cooling of extruded thermoplastics pipes The invention relates to a method and a device for cooling an extruded thermoplastics pipe (1) by directing a gaseous cooling medium tangentially towards the inner surface of the thermoplastics pipe (1) along its whole periphery, whereby the interior o... | 11/22/2011 |
| 7922470 | Apparatus for automatic control of cage size in an extruded film production line A system and controller for positioning an adjustable sizing cage for use with a blown film extrusion apparatus. A cage sizing subsystem is used to position the cage relative to the film tube. At least two non-contact sensors arranged on the sizing cage to provide s... | 04/12/2011 |
| 7883327 | Device for producing blown film An apparatus for the manufacture of a thermoplastic blown film is provided having a blower head for extruding a film tube of a thermoplastic material. An annular ring is provided for blowing a cooling gas on an outside surface of the film tube to solidify the film t... | 02/08/2011 |
| 7806674 | Air ring for controlling blown film thickness provided with individual heat conducting segments An air ring with increased-control over the gauge uniformity of blown plastic film in a film extrusion device. The air ring includes a generally annular plenum, an annular orifice for discharging cooling air against an extruded plastic tube passing through the air r... | 10/05/2010 |
| 7753666 | Apparatus and method for cooling plastic film tube in blown film process An apparatus and method for cooling a molten plastic film tube exiting the outlet of an extrusion die is disclosed. The apparatus includes an inlet passage adapted to direct cooling air through the extrusion die to the interior of the plastic film tube. The apparatu... | 07/13/2010 |
| 7736140 | Interior cooling body for a blowfilm system, blowfilm system, and process for producing a blowfilm Numerous aspects concerning a blow film system are improved by the present invention. ... | 06/15/2010 |
| 7695263 | Blown film die for producing tubular film A film die for the production of tubular film made of thermoplastic synthetics has at least one feed channel for the synthetic fused material which ends in a ring-shaped discharge nozzle with an interior and/or exterior cooling ring that is adjusted to the diameter ... | 04/13/2010 |
| 7654808 | Air ring with circumferentially adjustable air flow An air ring for supplying cooling air to a hot extruded plastic film after extrusion from an annular extrusion die has an annular body surrounding the emerging tubular plastic film. The annular body has an annular plenum chamber receiving air from an external source... | 02/02/2010 |
| 7568899 | Oscillating hauloff with bearings along central axis An oscillating hauloff for blown film has a bearing structure positioned along the vertical process centerline. The bearing structure is separated into upper and lower sections to maintain a clear and open pathway for the web to pass across the process centerline. P... | 08/04/2009 |
| 7556487 | Apparatus for making center-filled chewing gum pieces A dual-filled gum piece is provided having a first cavity filled with a liquid filling and a second cavity filled with a powder filling. The gum pieces are produced by extruding a gum rope having two separate channels respectively filled with liquid and powder, sizi... | 07/07/2009 |
| 7396224 | Calibrating basket for a calibrating station A calibration basket is configured for a calibration station disposed in an apparatus for producing plastic tubes. The calibration basket contains calibration tools that are successively disposed at a distance from each other across the circumference of the tube. Th... | 07/08/2008 |
| 7371062 | Device for calibrating an extruded plastic profile A device for calibrating an extruder plastic profile having a calibration unit for the profiled strand coming-out of a molding profile nozzle is described, the calibration unit having a molding body (1) enclosing the profiled strand, having calibration surfac... | 05/13/2008 |
| 7357630 | Calibration device A calibration device for calibrating extruded continuous profiles, in particular tubes, includes a housing and a plurality of segment bodies which are received in the housing in a substantially in circular manner, with axially neighboring segment bodies partially ov... | 04/15/2008 |
| 7347680 | Device for producing lay-flat tubes in blown film extrusion installation A lay-flat device of a blown film extrusion installation includes brush rollers in the upper half entirely or partly. The brush rollers include bristles which are directed obliquely outwards and which, on contact with an extruded film tube, exert a slight spreading ... | 03/25/2008 |
| 7335010 | Device for producing rigid plastic pipes A device for producing rigid plastic pipes of an approximately cylindrical shape, contains an extruder and a calibrating station following in the direction of production, which has calibrating tools to calibrate the outside diameter of the already partly hardened pi... | 02/26/2008 |
| 7322814 | Film or sheet forming apparatus To form a film or sheet relatively thin and needing a high degree of precision in thickness, such as for an optical use, while suppressing temperature fluctuations at one side opposite to the other side in contact with an outer peripheral surface of a roll (11 | 01/29/2008 |
| 7321425 | Sensor and methods for measuring select components in sheetmaking systems A sensor for measuring at least selected component in a composition can include: (a) a broadband light source, (b) an acousto-optic tunable filter (AOTF), (c) means for generating a beam of light from the light source and directing the beam of light at the AOTF wher... | 01/22/2008 |
| 7316552 | Low turbulence die assembly for meltblowing apparatus An apparatus for forming meltblown material from a molten polymer includes a die configured with channels in the tip of the die through which molten polymer is extruded for forming meltblown fibers. Air plates are disposed relative to the die tip to define air chann... | 01/08/2008 |
| 7314592 | External thickness control and method A plastic resin extrusion line for the production of blown film includes an external thickness control device that provides a controllable amount of air from an inlet side through an annular region to one or two sets of lips. Barriers that can be manually or automat... | 01/01/2008 |
| 7296986 | Induction coupling for braking roller drive on the flat-folding device Equipment that lays flat films or tubular films extruded by a blown film extrusion installation has at least one roller, which guides the walls of the film or the tubular film. The lay-flat equipment has at least one device that influences the rotational speed of th... | 11/20/2007 |
| 7293975 | Calibration device A calibration device for calibrating extruded continuous profiles includes successively arranged segment rings comprised of individual segments whose internal surfaces jointly form a calibration opening. Successively axially arranged segments are assembled in the fo... | 11/13/2007 |
| 7279125 | Take-off unit A withdrawal device for blow-molded film has an air turning bar with an air cushioned surface for transporting the film, and the bar surface includes at least in part a sintered material. The sintered material portion of the bar surface provides a region of increase... | 10/09/2007 |
| 7278844 | Extrusion head for blow molding A blow head for extruding a tubular plastic preform from an outlet gap between a fixed die core and a die body allows a change of the width of the outlet gap as a function of the circumference using light and small actuating devices, e.g., double-acting actuator cyl... | 10/09/2007 |
| 7267535 | Pipe molding apparatus with mold tunnel air turbulence An extruding apparatus which extrudes continuous length of hollow plastic product has an extruder (3) which feeds molten plastic through die equipment (5) to a mold tunnel (7) formed by side by side moving mold blocks (9). The apparatus i... | 09/11/2007 |
| 7264764 | Method of manufacturing branching pipe The manufacturing method of the invention manufactures a fuel filler pipe (branching pipe), where a breather pipe is branched off from a filler pipe main body. The manufacturing method extrudes a first extruded tubular member and a second extruded tubular member, co... | 09/04/2007 |
| 7223089 | Infinitely adjustable calibrating shell for continuous extruded plastic parts, in particular plastic pipes Infinitely adjustable calibrating shell includes a central piece formed by strips or bands which are hingedly connected to each other and intersect like an extendable lattice that is formed into a shell. Preferably, the ends of the strips are movably connected to an... | 05/29/2007 |
| 7220113 | Gauge distribution apparatus for plastic film Gauge distribution apparatus for plastic film has a frame, a rotor mounted on the frame for sequential reversed rotation about a substantially vertical axis, and at least one slot in the rotor through which two lengths of plastic film can pass upwardly with spaced a... | 05/22/2007 |
| 7195471 | Blowing head for extruding films, comprising clamping elements containing ducts for cooling air Tubular film die head for extruding single-layer or multi-layer film which has at least the following features: a substantially annular die gap, fastening elements which fix at least two components with respect to one another which together border areas bearing plas... | 03/27/2007 |
| 7175415 | Moulding system, in particular a calibration die The invention relates to a moulding system (3), in particular a calibration die (17), for an extrusion plant, with preferably parallel inlet and outlet faces (28, 29) spaced at a distance apart and with side faces (30, 31, 32, 33) extendi... | 02/13/2007 |
| 7172718 | Method of manufacturing a rubber sheet for a power transmission belt and a power transmission belt incorporating the rubber sheet A method of manufacturing a power transmission belt having a body with a length and a cushion rubber layer in which at least one carrying member is embedded so as to extend lengthwise of the body. The method includes the steps of: extrusion molding (a) a first rubbe... | 02/06/2007 |
| 7158855 | Two-dimensional depiction of components of a film extrusion system on an output device An operating panel for a film extrusion plant displays the spatial relationship of operating elements of the plant relative both to each other and to an operator viewing the display. The panel has a terminal for inputting functional parameters of the operating eleme... | 01/02/2007 |
| 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 |
| 7128853 | Method and apparatus for manufacturing a rubber sheet containing short fibers A method and apparatus for manufacturing a rubber sheet containing short fibers. The method includes the steps of: mixing short fibers in a flowable rubber matrix; forming the flowable rubber matrix with the fibers therein into a cylindrical shape with a circumferen... | 10/31/2006 |
| 7114942 | Apparatus for producing synthetic resin film A calibrating basket for a film blowing tube is provided with roller bearings to prevent stripe formation on the film and pinching of the film between the rollers. ... | 10/03/2006 |
| 7112047 | Infinitely adjustable calibration sleeve for extruded plastic pipes Infinitely adjustable calibration sleeve for extruded plastic pipes includes an inlet head and two strap layers that intersect like a lattice grate and that are linked with each other at the crossing points. In that manner, the inlet head and the strap layers are ad... | 09/26/2006 |
| 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 |
| 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 |
| 7037098 | Device for producing plastic pipes An apparatus for producing seamless plastic tubes comprises an injection head to which molten plastic material is fed by an extrusion device. The injection head has a plate-shaped distribution device 13a, 13b having an intake opening 2... | 05/02/2006 |
