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| Number | Title | Issue Date |
| 7213509 | Method and system for individual tire recycling A method for handling scrap tires, includes a step of providing a compacting apparatus to a scrap tire generator, such as a tire retailer. Before compacting the tires, the tire can be marked with a unique identifier assigned to every tire generator. By marking the s... | 05/08/2007 |
| 7179073 | Pressure-reducing valve and a controller for a blow-molding machine and method thereof The invention is a pressure reducing valve for reducing the pressure supplied to a head tooling hydraulic positioning valve and a controller for bypassing the pressure reducing valve in a blow-molding machine. A pressure-reducing valve and electrical controller are ... | 02/20/2007 |
| 7168935 | Solid freeform fabrication apparatus and methods An apparatus for formation of a three dimensional object comprising a sealed container; an electron beam subsystem capable of directing energy within said container; a positioning subsystem contained within said container; a wire feed subsystem contained within said... | 01/30/2007 |
| 7108497 | Interchangeable blow mold parison closing apparatus The invention provides a blow mold parison closing apparatus having actuators which are interchangeable. The closing apparatus includes an attachment block having a cylinder body mount and holder/guide support, a pinch bar spaced apart from the attachment block, the... | 09/19/2006 |
| 6971864 | Device for producing plastic hollow bodies using an extrusion blow molding method An apparatus for producing plastic hollow bodies using an extrusion blow molding process has an extrusion unit, which is mounted in a housing, and at least one blow molding station. The extrusion unit has an extruder and an extruder head, connected to the extruder, ... | 12/06/2005 |
| 6966765 | Rotating circular die A rotating circular die for mounting on an extruder. The die incorporates an inner component comprising a cone with support independent of the outer component and extruder, thereby permitting forward and backward adjustment of the inner component in relation to the ... | 11/22/2005 |
| 6264874 | Method of controlling the diameter of a clear extruded tube A method and apparatus for controlling the diameter of a clear extruded molten tube wherein the extruded tube contains a volume of a clear liquid and the level of the liquid is indicative of the tube diameter so the level rises as the tube diameter decrea... | 07/24/2001 |
| 6190153 | Oriented film producing facility with thickness and orientation control means A drawing system in which a thickness and degree of orientation of an oriented film or the like is maintained in a uniform manner under a condition of a high speed, shortened is a time required from a time when a molding material is charged in an extruder... | 02/20/2001 |
| 6109066 | Device for manufacturing a composite yarn The subject of the invention is a device for manufacturing a composite yarn formed by the combination of continuous glass filaments and continuous filaments of a thermoplastic organic substance, comprising, on the one hand, at least one bushing which is f... | 08/29/2000 |
| 5814264 | Continuous manufacturing methods for positive temperature coefficient materials A method for producing a conductive polymeric composition exhibiting PTC behavior. The method includes the steps of: providing a quantity of polymer component having a melting point temperature Tmp, and a quantity of conductive filler component... | 09/29/1998 |
| 5786023 | Method and apparatus for the freeform growth of three-dimensional structures using pressurized precursor flows and growth rate control Method and apparatus for the selective heat-induced deposition of solid material from gas-phase or super-critical fluids to produce three-dimensional parts by pyrolysis of the fluids. The apparatus involves computer/feedback control of the evolving shape ... | 07/28/1998 |
| 5639404 | Method and apparatus for preparing thermoplastic sheets, films, and plates The height of the bulge in the glazing roll gap of a supercalender in the extrusion of plates or films of a thermoplastic material smoothed on both sides may be controlled by measuring the location of the edges of the plastic sheet by means of measuring s... | 06/17/1997 |
| 5630982 | Method and apparatus for extruding plastic tubing A method and apparatus for extruding thermoplastic tubing of reduced eccentricity, in which tubing is extruded into a vacuum calibration box containing a cooling fluid and a sizing collar. An ultrasonic device for measuring wall thicknesses around the per... | 05/20/1997 |
| 5431866 | Method and apparatus for positioning a pipe A method and apparatus for countering the rotation of a striped pipe during extrusion is provided. A sensor for detecting the stripe sends a signal to a pipe rotating means which, in response to the signal, rotates the pipe to correct any turning occurrin... | 07/11/1995 |
| 5399302 | Parison length control method for blow molding machine A parison length control method for a blow molding machine in which a parison is extruded vertically, the end of the parison is closed, and a blowing gas is blown into the closed parison. The method includes the step of deriving a relationship between par... | 03/21/1995 |
| 5352392 | Process for manufacturing a continuous thread by mechanical drawing In the manufacture of a continuous thread coated with a mixture which reacts to ultraviolet radiation, a large number of continuous filaments are formed by mechanically drawing a large number of molten thermoplastic material streams flowing from openings ... | 10/04/1994 |
| 5316701 | Multiaxis rotational molding process A method of continuously forming an integrally molded structure in a multiaxis rotational molding operation including the steps of rotating a multimold section mold assembly about at least three axes. A first freshly formed polymerizable mixture is flowed... | 05/31/1994 |
| 5272649 | Video method and apparatus for measuring and controlling dimensional stability A method and apparatus for determining the location and stability of location of the edges of an object such as an extruded blown film polymeric material annulus. By real time detection of the edge location and mathematical and statistical manipulation of... | 12/21/1993 |
| 5244611 | Method for the vectorial assembly of green tires in a curing mold A method for the vectorial assembly of green tires (2) in a curing unit (4), whereby a processing unit (12), after performing a first step consisting in determining the origin of a tire (2), i.e. the machine on which it was produced, and the curing unit (... | 09/14/1993 |
| 5209881 | High accuracy control system and method for panel line production The invention provides a control system and method for curing composite articles such as corrugated fiberglass resin plastic (FRP) panels. An exemplary system of the invention includes a curing oven, at least one infrared pyrometer sensor which is located... | 05/11/1993 |
| 5200203 | Apparatus for quantitatively dividing bread dough An apparatus is provided for quantitatively dividing bread dough. The apparatus includes a hopper having vertical side walls. The internal space surrounded by the walls has the same horizontal sectional area at any position along the vertical walls. The a... | 04/06/1993 |
| 5158724 | Bank quantity monitoring method and apparatus, sheet forming method and apparatus, and sheet temperature measuring method and apparatus A plastic material, controlled at a desired temperature, is fed on an upstream side of a gap between a pair of rotating forming rolls arrayed almost in parallel and controlled at a desired temperature from a flat die connected to an extruding machine and ... | 10/27/1992 |
| 5128076 | Apparatus and method for producing an elongate strip of material An open tube apparatus and method for continuously producing a rotating elongate strip of material are disclosed. An extrusion die continuously extrudes flowable material to form an open tube with a central longitudinal cavity and a transport mechanism in... | 07/07/1992 |
| 5128077 | Method for producing multicomponent extrusions having controlled component contributions A method of producing a multicomponent extrudate in which the operating line automatically and accurately extrudes the extrudate materials necessary to obtain the desired contribution of materials and specified dimensions of the multicomponent extrudate p... | 07/07/1992 |
| 5124094 | Apparatus and method for constraining a rotating tube of material A constraining structure for an open tube apparatus for continuously producing a rotating elongate strip of material is disclosed. The constraining structure controls expansion of an extruded blown film tube to a desired outer diameter range after the tub... | 06/23/1992 |
| 5110519 | Process for minimizing disturbance of multi-layer laminate material in extrusion of multi-layer preforms for blow molding of hollow bodies In a process and apparatus for the production of hollow bodies from thermoplastic material, the walls of the hollow bodies are of a laminate structure having at least first and second layers, by means of extrusion blow molding, the pressure within the ext... | 05/05/1992 |
| 5087185 | Apparatus for taking off thermoplastic synthetic resin sheet An apparatus for continuously taking off a thermoplastic synthetic resin sheet foamed by a vertical foaming furnace which has a rail fixedly disposed horizontally, two bodies mounted obliquely at the same angle in a linear symmetrical manner with respect ... | 02/11/1992 |
| 5059363 | Method for extruding silicone tubing A method for extruding silicone tubing which maintains consistently precise dimensions in the final tubing product by continuously monitoring the tubing profile after cooling and adjusting the height the loop of uncured tubing as necessary to neck the tub... | 10/22/1991 |
| 4978485 | Method for controlling a quench fluid velocity in a polymer melt spinning process A method for controlling a quench fluid velocity delivered to a quench zone in a polymer melt spinning process wherein the quench fluid velocity is measured by a velocity detector, compared to a desired quench air velocity and a damper valve mechanism is ... | 12/18/1990 |
| 4971540 | Apparatus for laying a mat of fibrous material An apparatus for laying a mat of fibrous material which includes an upwardly inclined belt onto which the fibrous material is fed, one or more combing roller located above the belt, a stripping roller at the upper end of the belt for removing the material... | 11/20/1990 |
| 4935176 | Method of and apparatus for detecting defects in an electrical conductor The present invention incorporates a conductor contact apparatus, a conductor defect detector, and a relay or equivalent added to the emergency stop circuit of a conductor insulation extruder apparatus in order to detect conductor defects and shut-down th... | 06/19/1990 |
| 4931243 | Process and apparatus for spreading a chip web Process and apparatus for spreading a chip web from a supply over a width corresponding to the web width on a substrate moving below the supply. Such spreading is accomplished according to a web height distribution specified in the web transversely to the... | 06/05/1990 |
| 4927589 | Method for manufacturing organic thin film A film manufacturing method which utilizes a trough storing a liquid therein. The liquid surface of the liquid forms a developing region in which a monomolecular film of organic molecules is developed. The developed monomolecular film is compressed by a b... | 05/22/1990 |
| 4902327 | Monitoring fiber bend loss characteristics during manufacture Forming an optical fiber so as to have a relatively constant bend loss characteristic includes apparatus for continuously bending the optical fiber downstream from a preform from which it is drawn and continuously detecting light withdrawn from the fiber ... | 02/20/1990 |
| 4897026 | Separator manufacturing apparatus A separator manufacturing apparatus includes a transfer roller (2) with a plurality of annular shaping grooves (1) having a predetermined shape in cross section which are formed in the outer circumferential surface of the transfer roller (2) in its circum... | 01/30/1990 |
| 4882104 | Method of controlling the thickness of an extruded plastic article A method for monitoring and controlling the wall thickness of an extruded profile of heated polymeric material that issues from an extrusion die. The die includes a plurality of discrete sectors each having a controllable heat source and a temperature sen... | 11/21/1989 |
| 4874566 | Method and device for producing shaped objects from thermoplastic plastics In a method and a device for making shaped objects from plastic refuse plasticized in a roller extruder under pressure and ejected from the nozzle of the extruder a plurality of molds are provided transported to the extruder, filled thereby and transporte... | 10/17/1989 |
| 4865675 | Process of and apparatus for hot pressure adhesion treatments A hot press device has a pair of hot press rollers for heating and pressing a treatment object therebetween while rotating, and pairs of delivery rollers are arranged before and after the pair of hot press rollers. The treatment object passes back and for... | 09/12/1989 |
| 4865796 | Method of producing molding members A novel method of producing molding members for automobiles, formed at least partly of a synthetic resin material is disclosed. According to the method of the invention, synthetic resin material is extrusion molded into a continuous body with a substantia... | 09/12/1989 |
| 4857247 | Method for drawing thermoplastic tubing The specification discloses a new method and apparatus for treating extruded TEFLON (fluoropolymer) tubing to significantly improve its dimensional and optical characteristics. Diameter tolerance is &#b1;0.0002, concentricity rises to 95%, and optical cla... | 08/15/1989 |
