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| Number | Title | Issue Date |
| 7364421 | Method of making retroreflective sheeting and slot die apparatus The invention relates to a method of making retroreflective sheeting and other articles prepared from casting a fluid synthetic resin onto a tool having a microstructured surface with a slot die apparatus. The invention further relates to a slot die apparatus. ... | 04/29/2008 |
| 7350389 | Method and device for reshaping a work piece with automatic handling Aspects of the present invention relate to an automated handling device for handling a forged piece during a forging press. A method in accordance with an implementation of the present invention involves positioning the workpiece between two tools in a predetermined... | 04/01/2008 |
| 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 |
| 7314365 | Surface treating apparatus and image recording apparatus A surface treating apparatus includes: a sheet which includes; a base, and a thermoplastic resin layer disposed on the base; a contact member configured to convey the sheet while carrying out a surface treatment of the sheet; a surface property forming unit configur... | 01/01/2008 |
| 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 |
| 7169415 | System for preserving fresh meat products A method for preserving a food product, such as meat, comprising the steps of inoculating meat with an effective amount of euhygienic non-pathogenic, non-spoilage bacteria in order to competitively inhibit the growth of undesired pathogenic and spoilage bacteria. Ed... | 01/30/2007 |
| 7165959 | Apparatus and method for producing two-sided patterned webs in registration An apparatus for casting a patterned surface on both sides of a web. The apparatus includes a first patterned roll; a second pattered roll; and a means for rotating the first and second patterned rolls such that their patterns are transferred to opposite sides of th... | 01/23/2007 |
| 7165962 | Web handling roll stand A telescoping roll stand for use in an extrusion line includes a linkage connecting one or more auxiliary rolls in a spatial relationship relative to each other and other auxiliary web processing components, including conveyors, load cell rolls, draw rolls, and othe... | 01/23/2007 |
| 7150614 | Horizontal vacuum chamber seal control device Disclosed is an apparatus and a corresponding method for producing a continuous foamed extrudate product in which the extrusion and initial expansion of the foamed extrudate is conducted within a chamber under a partial vacuum. The foamed extrudate is then removed f... | 12/19/2006 |
| 7128558 | Post-forming of thermoplastic ducts An apparatus and method are provided for thermoplastically forming a contour in a thermoplastic duct defining a passage. The apparatus includes a longitudinal collar that defines a cavity and a rigid inner support structure extending longitudinally in the cavity. Th... | 10/31/2006 |
| 7094290 | Light guiding plate manufacturing apparatus and light guiding plate manufacturing method A light guiding plate is manufactured with accuracy and at low cost. This invention comprises a cylindrical roller, which has a heater built-in, rotating while fixing a stamper having a dot pattern formed on its surface, substrate fixing means for reciprocating alon... | 08/22/2006 |
| 7070406 | Apparatus for embossing a flexible substrate with a pattern carried by an optically transparent compliant media An apparatus for embossing a flexible substrate with an optically transparent compliant media is disclosed. The complaint media includes an optically transparent imprint stamp with an imprint pattern therein. The flexible substrate is coated with a photopolymer mate... | 07/04/2006 |
| 7029265 | Apparatus for producing plastic panels with undercut An apparatus for the continuous and nondestructive production of plastic panels which are provided with undercut anchoring studs, web profiles or other forms of attachment (28) on one or both surfaces comprises a temperature-controlled chill roll (11),... | 04/18/2006 |
| 7018187 | Apparatus for smoothing and cooling a synthetic resin web produced by a slit nozzle An apparatus for smoothing and cooling of slit nozzle synthetic web passes the web following the smoothing gap between two rollers along a cooled surface and into contact with cold air introduced by cold air chamber open toward the roller surface. ... | 03/28/2006 |
| 7008577 | Extrusion head for expanded plastic tubes An extrusion head for the manufacture of tubes including at least one layer of expanded plastic by extruding a stream of molten plastic containing a blowing agent through an annular passage cross section made in the extrusion head. The stream of molten plastic conta... | 03/07/2006 |
| 7008213 | Continuous production of plastic siding panels with separate shingle appearance A sheet of plastics material is continuously extruded onto the upper run of an endless conveyor which carries aluminum vacuum mold plates each defining a cavity with a shingle pattern. The sheet is progressively vacuum-formed into the mold plate cavities, and opposi... | 03/07/2006 |
| 7001547 | Method and apparatus for joining sheet- or ribbon formed flows in a coextrusion process A method and apparatus are described for coextruding two materials A and B, in which B is extruded on A through a port (3), in which the separating wall between the flows of A and B is formed as a flap closure (4) adapted to act as a non-return valve f... | 02/21/2006 |
| 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), each for a rubber mixture (A, B), the channels opening ... | 02/07/2006 |
| 6910358 | Two temperature two stage forming A method is disclosed for two-stage stretch forming of a sheet metal blank workpiece between a preform tool with a concave cavity and an opposing finish-form punch tool. Both tools are independently heated to different forming temperatures with the preform tool bein... | 06/28/2005 |
| 6910875 | Device for producing an unvulcanized rubber member for tire manufacturing The present invention provides a device for producing an unvulcanized rubber member for tire manufacturing. The device includes an extruder with a die that extrudes the unvulcanized rubber member to form multiple rib-protrusions that extend in a direction correspond... | 06/28/2005 |
| 6902394 | Apparatus for aiding the removal of an adhesively coated web from a rotating roll An apparatus for aiding the removal of an adhesively coated web disposed upon the surface of a rotating roll is disclosed. The apparatus includes a movable belt disposed about at least a portion of the surface of the roll and defining a contact region. The belt has ... | 06/07/2005 |
| 6881049 | Process for producing polybutadiene golf ball cores An improved process for producing polybutadiene golf ball cores is disclosed. The golf ball cores are from polybutadiene rubber compositions having a high Mooney viscosity and/or a high molecular weight and a low dispersity is disclosed. The apparatus includes an in... | 04/19/2005 |
| 6688872 | Apparatus for making unvulcanized rubber tape An apparatus is provided for making an unvulcanized rubber tape having a finished thickness TO in a range of from 0.3 to 1.5 mm, comprising an extruder which includes a passage for unvulcanized rubber defining an outlet for the extruded unvulcanized rubbe... | 02/10/2004 |
| 6676881 | Apparatus for producing multiple channel duct assembly and method thereof The present invention resides in that a plurality of pre-molded inner ducts are fed to a cross-head die, and a melted outer duct is extruded around the inner ducts from the cross-head die, and then the pre-molded inner ducts and a melted outer duct are su... | 01/13/2004 |
| 6582215 | Automatic slug feeder for golf ball core forming apparatus An automatic slug feeding device for delivering slugs to a compression mold for molding golf ball cores is characterized by synchronized rotary transfer, slug conveyance, gripping mechanism transfer and a tray conveyor for transferring slugs from an extru... | 06/24/2003 |
| 6575726 | Apparatus for cooling an extruded plastic sheet Accurately and uniformly cooling a preformed plastic sheet that is formed at elevated temperature in an elongated plastic sheet die, using upper, middle and lower vertically arranged cylindrical cooling rolls closely spaced to one another to engage the sh... | 06/10/2003 |
| 6558146 | Extrusion deposition molding with in-line compounding of reinforcing fibers According to the present invention, an in-line compounding and extrusion deposition compression molding apparatus and method for producing a fiber-reinforced molded structural component is provided. The apparatus comprises an extruder device having an int... | 05/06/2003 |
| 6540497 | Secondary molding apparatus for protrusions of synthetic resin erected on a surface of a flat base material A secondary molding apparatus includes a transfer path for a primary molded product, and an internal heating unit disposed vertically at a predetermined interval across the transfer path, the internal heating unit disposed to come into contact with a rear... | 04/01/2003 |
| 6468461 | Process for forming sheet products In a process and apparatus for producing long plastic sheets by pressing molten plastic materials between the forming roller and the forming drum unit, the forming drum unit including a thin cylindrical sleeve supported from inside by a drum support unit ... | 10/22/2002 |
| 6371750 | Device for smoothing and cooling or cooling of an extruded material sheet A device for smoothing and cooling of a material sheet (8) of thermoplastic, especially a film or sheet which are processed into plates which have been extruded by an extruder via a sheet die. Two pairs of units (2, 3; 4, 5) are provided which oppose each... | 04/16/2002 |
| 6364652 | Manufacture of liquid crystalline polymer films An apparatus and method for making thermotropic liquid crystalline polymer films with improved transverse direction properties comprises two preferably embossed rollers which oscillate oppositely with respect to each along their respective rotational axes... | 04/02/2002 |
| 6283016 | Unwinding machine An unwinding machine (10) with forming cylinders (11, 12, 13) has bearing blocks (26, 27) in which the forming cylinders (11, 12, 13) are supported. The bearing blocks (26, 27) are disposed in recesses (32) of partition walls (25, 25a) of the unwinding ma... | 09/04/2001 |
| 6276919 | Automated pretzel forming machine An automated pretzel forming machine that produces fresh unbaked pretzels with hand formed characteristics by extruding premixed dough onto a folding table. This table is moved by a bi-directional positioning stage, forming the unfolded and untwisted pret... | 08/21/2001 |
| 6254373 | Gum processing and packaging system A process and apparatus for the continuous production, processing and packaging of a final chewing gum product. The product is extruded as a continuous tape or ribbon of material, the material is flattened into a approximate final cross-sectional size and... | 07/03/2001 |
| 6231327 | Composite extrusion and patterning machine for irregularly curved edges and method of manufacture thereof A material extrusion and patterning machine for a workpiece having an irregularly curved edge and a method of manufacturing the same. In one embodiment, the machine includes: (1) a frame, (2) a fixture coupled to the frame for rotation relative thereto an... | 05/15/2001 |
| 6210146 | Friction component manufacturing apparatus and method To provide a friction component of a multilayer structure in which each layer can be formed so as to have a specified thickness, as well as its manufacturing apparatus and method. A side plate 3 having a void 3a of a specified depth formed therein is prov... | 04/03/2001 |
| 6206679 | Apparatus for making molded plastic hook fasteners An enhanced flexibility fastener product has a base and hook elements extending from the base. Rip-stops integrally molded with the base and with the hook elements are offset relative to the hook elements to reduce widthwise stiffness of the fastener prod... | 03/27/2001 |
| 6190594 | Tooling for articles with structured surfaces Tool rolls and methods of using the tool rolls to manufacture articles with one or more structured surfaces are disclosed. The tool rolls include an outer surface that, when used in connection with materials of the proper viscosity or formability, can for... | 02/20/2001 |
| 6095787 | Method of making a skid-resistant bed liner A method and apparatus for forming a skid-resistant surface on a thermoformed object such as a bed liner. The method includes forming a blank of extruded plastic material, abrading the surface with a wire brush, reheating the blank and thermoforming the b... | 08/01/2000 |
| 6074192 | Lenticular pattern forming roll and method for making the roll A lenticular pattern forming roll, used for forming a lenticular screen, includes a chill roll and a lenticular sleeve positioned on the chill roll. The lenticular sleeve has a lenticular pattern formed on an outer surface for forming a corresponding lent... | 06/13/2000 |
