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| Number | Title | Issue Date |
| 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 |
| 7204681 | Thermoforming method and apparatus A thermoforming apparatus having a mold with an internal vacuum chamber and a quench for cooling a thermoplastic sheet while it remains on the mold. Because the quench cools the sheet, conventional cooling lines are eliminated from the mold. One method of using the ... | 04/17/2007 |
| 7128546 | Underwater granulator with a water pipe mounted in a swivel joint An apparatus for granulating extruded material includes an extruder and an underwater granulator connected to the extruder and having a cutting plate for cutting extruded material, the granulator being hinged so that it can swivel about a swivel axis when disconnect... | 10/31/2006 |
| 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 |
| 7011509 | Cooled calibrating device for a plastic extrusion facility The invention relates to a cooled calibrating device for a plastic extrusion facility, comprising a housing (5) receiving a cooling liquid (2) and calibrating guides (6) through which a plastic profile (1) is passed, in addition to inlet ... | 03/14/2006 |
| 6902383 | Apparatus containing cooling and warming devices for the preparation of a polymer solution A novel apparatus for the preparation of a polymer solution includes a stirring device, an extruder connected to the stirring device, a cooling device connected to the extruder, and a warming device connected to the cooling device. The extruder is a fiber or membran... | 06/07/2005 |
| 6575722 | Apparatus for producing and cooling polymer pellets An apparatus for producing and cooling polymer pellets. Hot pellets cut from a die plate extruder are impelled through air and quickly enveloped in a stream of cooling liquid. The stream is then directed to flow in a first horizontal and vertically descen... | 06/10/2003 |
| 6135748 | Apparatus for manufacturing a replacement pipe liner in reduced form An apparatus for manufacturing a liner for installation in an existing conduit in reduced form. The apparatus includes an extruder for extruding heated thermoplastic pipe material through a die to form a tubular shape, a shaping station for shaping the ex... | 10/24/2000 |
| 5785997 | Continuous process for melt-spinning monofilaments The invention relates to a continuous process for the formation of monofilaments having a diameter of from 60 μm to 500 μm from filament-forming polymers by melt-spinning the polymer, optionally quenching the formed polymer filaments below the melt-spin... | 07/28/1998 |
| 5783131 | Method to slowly regenerate cellulosic sausage casing The present invention relates to an improved method for regenerating cellulosic sausage casings which includes the steps of extruding viscose through an annular extrusion die submerged in an aquarium to form a tubular product and partially gelling and coa... | 07/21/1998 |
| 5388976 | Wall thickness measuring device with calibration device The invention relates to an extrusion installation for elongate products, more particularly plastics tubes, having an extruder 1, followed by a water-cooled calibration sleeve 8 which can be acted upon by negative pressure and a wall thickness measuring d... | 02/14/1995 |
| 5259743 | Spinning machine for wet-spinning process A wet-spinning process for producing filament utilizes a pair of rollers in the spinning machine which have axes which are skewed to one another, i.e. include angles in projections both in vertical and horizontal planes and so inclined that the interturn ... | 11/09/1993 |
| 5040960 | Apparatus for preparing encapsulated bodies An apparatus for the production of encapsulated bodies employing a dropping tank for a fluid to form the cores of the encapsulated bodies and a reaction tank containing a solution capable of forming gel skins upon contact with the core material in communi... | 08/20/1991 |
| 5017110 | Apparatus for producing high-temperature resistant polymers in powder form For the continuous automated production of powders that are well suited for hot pressing, i.e. those consisting essentially of spherical or cubic particles, of high-temperature resistant polymers without damage to the polymer structure in the course of th... | 05/21/1991 |
| 4943218 | Granulation chamber for extruders of materials such as plastics Reduced-size granulation chamber for extruders of materials such as plastics, constituted by a rotating drum wherein the cooling water remains adherent to the walls due to the centrifugal force and which has openings for the exit of the water and of the g... | 07/24/1990 |
| 4923380 | Apparatus for the extrusion of collogen tubes An apparatus for the production of a collagen tube to be used as a vascular prostheses or nerve suture, including a cylindrical tubular spinneret having a feed end for an aqueous solution of collagen gel and a discharge end and a coagulant tube concentric... | 05/08/1990 |
| 4663107 | Method for the production of thermoplastic tubes A method for the production of thermoplastic tubes comprising: (1) extruding the thermoplastic tube of which the interior surface in a molten state by a heating unit disposed within the area of a mandrel near the nozzle of an extrusion mold, and (2) slidi... | 05/05/1987 |
| 4626183 | Apparatus for producing thermoplastic resin foam Apparatus including an extruder, a die member and a vacuum device connected in series. The vacuum device includes a chamber and a device at at least the outlet thereof to air-tightly seal the chamber around the extruded mass of foamed thermoplastic resin.... | 12/02/1986 |
| 4609509 | Process and apparatus for vulcanizing the insulation of an electric cable A process and apparatus for the vulcanization of the insulation of an electric cable in which the cable core with the insulation thereon are passed through a tube filled with a liquid having a specific weight substantially equal to the specific weight of ... | 09/02/1986 |
| 4461737 | Method and apparatus for forming pellets Apparatus for forming pellets from extruded strands of thermoplastic material which includes a liquid-filled tank, an extrusion die face disposed beneath the liquid in the tank, at least one knife blade movable in a direction of movement over the die face... | 07/24/1984 |
| 4416601 | Continuous vulcanizer Apparatus for continuously vulcanizing a covered material on a conductor comprises a feed device for feeding the conductor in one direction at a constant speed and an extruder for applying the covered material to the conductor fed from the feed means. A v... | 11/22/1983 |
| 4269577 | Production line for the manufacture of concrete elements A production line for the manufacture of (unreinforced, reinforced or prestressed) concrete comprising concrete casting means, a circuit for hardening it and means for removing the hardened elements. It includes a chain of floats adapted to be moved in a ... | 05/26/1981 |
| 4255101 | Device for the continuous spinning of viscose rayon A device for the continuous spinning of viscose rayon includes a main or cessing roller and a plurality of secondary or advancing rollers set askew with respect to the processing roller. The processing and advancing rollers are carried bracket-like by a ... | 03/10/1981 |
| 4248576 | Apparatus for coating thermoplastic film A method and an apparatus for effecting in a continuous manner the three operations of extruding, biaxially stretching and surface coating a seamless tubing of thermoplastic resin such as polyethylene, polypropylene, polyethylene terephthalate, etc. The c... | 02/03/1981 |
| 4247271 | Continuous vulcanizer for producing elongated member A horizontal type vulcanizer for continuous production of an elongated member made of a natural or synthetic polymer. The elongated member passes through a pressurized liquid heat medium to achieve vulcanization. Leakage from the liquid bath seal is preve... | 01/27/1981 |
| 4032273 | Apparatus for spinning artificial filament An apparatus for spinning artificial filaments relates to continuous spinning frames. It comprises a reservoir with spinning solution containin a spinneret and a portion of one cylinder of a pair where complete recovery of the filament takes place. A part... | 06/28/1977 |
| 4009976 | Apparatus for producing a foamed polystyrene sheet having a density gradient decreasing from the external surfaces inwardly Polystyrene foam is extruded upwardly as a tube into a cooling media of boiling water, both the interior and exterior surfaces of the cylindrically shaped extrudate passing through a bath of boiling water of variable depth. The polystyrene foam extrudate ... | 03/01/1977 |
