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| Number | Title | Issue Date |
| 8048351 | Bio-pharmaceutical hose A hose for use in bio-pharmaceutical applications includes an innermost tubular layer made from a fluoropolymer material. The tubular layer has an inner, relatively smooth and pure surface that defines an opening for transfer of various media. A layer of silicone is... | 11/01/2011 |
| 8048352 | Medical devices Medical devices and methods of making the devices are described. In some embodiments, the methods include a method of manufacturing a device including a first layer and a second layer, the method including the steps of selecting a material for the second layer, the ... | 11/01/2011 |
| 7318720 | Die assembly and production process for profile extrusion The invention discloses an improved die assembly for the extrusion of thermoplastic resin cellulosic fiber composite profiles meant to minimize and substantially prevent the occurrence of melt fracture on the surface of the extruded composite profiles. Comprising th... | 01/15/2008 |
| 7169341 | Process for producing extruded honeycomb bodies and extrusion die A process is provided for producing extruded honeycomb bodies with passages, in particular as catalyst carrier bodies for the cleaning of exhaust gas from an internal combustion engine. The passages are bounded by wall regions which are at least partly provided with... | 01/30/2007 |
| 7156635 | Multi-layer food product system and process A system produces a multi-layer product by forming as many different ingredients as is required for the final product in steps that can be separate from each other and then combining these ingredients in an extrusion die that is formed to flow the separate ingredien... | 01/02/2007 |
| 7147449 | Device for the production of an extruded profile A food product comprising a sugar wafer preferably cone-shaped having a filling of a substantially water-free fat-based confectionery material and a process for preparing it which comprises filling the sugar wafer with the substantially water-free fat-based confecti... | 12/12/2006 |
| 7128862 | Biaxially oriented multilayer polymer tube for medical devices A tubular extruded member particularly suitable for use in medical devices such as intravascular catheters and guide wires, wherein the extruded tubular member includes multiple layers having biaxial helical orientation in different directions. A counter-rotation ex... | 10/31/2006 |
| 7122141 | Method and system for dual co-extrusion In a co-extrusion system, a primary extruder is connected to a primary flow director to direct the solid melt from the primary extruder to the co-extrusion assembly. A secondary extruder is connected to a secondary flow director to direct the melt from the secondary... | 10/17/2006 |
| 7060151 | Method of manufacturing a reinforced hose A method of manufacturing a hose includes the step of extruding a tube assembly comprising (i) a first inner non-foamed layer, (ii) a first outer non-foamed layer positioned around the first inner non-foamed layer, and (iii) a first foamed layer interposed between t... | 06/13/2006 |
| 6977103 | Dimensionally stable balloons An inflatable medical balloon comprises a polymer matrix material and a plurality of fibers distributed in the matrix material. The plurality of fibers operatively adhere to the matrix material and provide reinforcement thereof. The fibers may be parallel or angular... | 12/20/2005 |
| 6962754 | Structure comprising a fluoropolymer layer and a piperazine-based tie resin A structure made of a fluoropolymer layer and directly attached to one of its sides a tie layer based on a polyamide which results from the condensation of at least one diacid and at least one diamine of the following formula (1): | 11/08/2005 |
| 6881361 | Method for producing shaped bodies The invention relates to a method for producing shaped bodies, especially threads or foils, from at least one polymer of the groups consisting of polysaccharide, polysaccharide derivative or polyvinyl alcohol by forming a solution of the polymer that contains an add... | 04/19/2005 |
| 6638463 | Hybrid disk-cone extrusion die module having a spillover surface surrounded by a planar seal surface The present invention discloses an extrusion die module having a flat compression seal surrounding a conical or otherwise angled spillover surface. The die module promotes a flat surface to flat surface compression seal outside of the flow distribution ch... | 10/28/2003 |
| 6638464 | Hybrid disk-cone extrusion die module having a spillover surface surrounding a planar seal surface The present invention discloses an extrusion die module having a flat compression seal surrounded by a conical or otherwise angled spillover surface. The die module promotes a flat surface to flat surface compression seal outside of the flow distribution ... | 10/28/2003 |
| 6638462 | Hybrid disk-cone extrusion die assembly The present invention relates to an extrusion die assembly. Specifically, the present invention relates to an extrusion die assembly comprising a pair of extrusion dies wherein one extrusion die is disposed within the second extrusion die. The extrusion d... | 10/28/2003 |
| 6638461 | Hybrid disk-cone extrusion die module The present invention discloses an extrusion die module having a flat compression seal and a conical or otherwise angled spillover surface. The die module promotes a flat surface to flat surface compression seal outside of the flow distribution channels a... | 10/28/2003 |
| 6582536 | Process for producing steerable sheath catheters The invention is a method for manufacturing a steerable catheter having a distal end, proximal end, an outer jacket, a pull wire and a central lumen. The central lumen is maintained in a circular shape without bulges diminishing the useful inter-diameter ... | 06/24/2003 |
| 6555243 | Thermoplastic multilayer composites Thermoplastic multilayer composite, particularly in the form of a multilayer hose, a multilayer pipe or a multilayer container, containing at least one intermediate layer made of a molding compound on the basis of ethylene/vinyl alcohol copolymers between... | 04/29/2003 |
| 6413595 | Modular disk coextrusion die A coextrusion die includes a plurality of annular cells stacked on top of each other. Each annular cell includes a plurality of openings aligned with openings in the adjacent cell, thus forming multiple streams. Plastic melt may be supplied to the die cop... | 07/02/2002 |
| 6409953 | Method of extruding plastic material in multi-layer tubular form A method of extruding plastic material in multi-layer form includes: providing an extrusion die having a first body member and a second body member surrounding the first body member and forming an annular passage therebetween which communicates with an an... | 06/25/2002 |
| 6319454 | Method and apparatus for manufacturing a hollow plastic product A method and apparatus for manufacturing a hollow plastic product is provided. In accordance with one aspect, into a mold half having a tubular groove portion and a projecting groove portion which projects outwardly from the tubular groove section is supp... | 11/20/2001 |
| 6303072 | Process of making an endless belt A process for producing an endless belt includes melt-extruding an extrusion material into a cylinder by means of an extruder, where the extrusion material has a tensile break strength of 400 kgf/cm2 or above and a breaking extension of from 3.... | 10/16/2001 |
| 6177518 | Blends of fluoroplastics with polyetherketoneketone Compositions of melt-flowable fluoroplastic and poly(ether ketone ketone) are provided, wherein the either the fluoroplastic or the poly(ether ketone ketone) is the matrix polymer and the other polymer is the dispersed phase, to provide improved propertie... | 01/23/2001 |
| 6174478 | Method and apparatus for simultaneous extrusion of two triple-wall pipes There is provided a method and apparatus for simultaneously extruding two triple-wall pipes. A first extruder is connected to a first die in order to form the inner and outer wall of a first pipe and a second extruder is connected to a second die in order... | 01/16/2001 |
| 6045737 | Coextrusion of liquid crystal polymers and thermoplastic polymers A flat and nearly mechanically isotropic polymer film or sheet, or a tube, can be formed by laminating two or more films, preferably by coextrusion of a liquid crystal polymer film and a thermoplastic polymer film. A liquid crystal polymer layer may be co... | 04/04/2000 |
| 6045734 | Process of making a catheter A catheter for intravascular use including an inner sleeve defining a hollow lumen and a middle sleeve which is disposed on the inner sleeve and includes a braided metal wire layer. Disposed on the middle sleeve is an outer sleeve which is preferably fabr... | 04/04/2000 |
| 5928247 | Stent placement device with medication dispenser and method An inflatable medical device and method for the placement of a stent in a body passageway by means of a two stage expansion of the stent and for the delivery of medications to precise location in the passageway. The device includes a catheter shaft (14) h... | 07/27/1999 |
| 5912023 | Method of manufacturing and a manufacturing device of reinforced hose A single head forms an outside layer material supply passage connected through to an annular slit at joined portion, a reinforcing material supply passage and an inside layer material supply passage. An outside rubber layer is supplied to the outside mate... | 06/15/1999 |
| 5891373 | Process of making a multi-layer tube A multi-layer hydrocarbon vapor-impermeable tube is formed with a nylon outer layer and a vapor barrier inner layer such as ETFE, bonded together by two adhesive layers. The laminated tube is coextruded. The shear on the two adhesive layers are adjusted t... | 04/06/1999 |
| 5888436 | Manufacture of variable stiffness microtubing A method for manufacturing novel composite microtubing with variable stiffness over the length of the tubing and a continuous manufacturing process.... | 03/30/1999 |
| 5851464 | Method of making a fuseless soft tip catheter A catheter having an elongated tubular body with a distal end, a proximal end and at least one lumen extending therebetween. The body is made from three layers of extruded plastic which adhere to each other. The body has an inner and outer layer made from... | 12/22/1998 |
| 5846575 | Pipe forming mandrel with multiple sleeve inner tube An extruder and mandrel assembly is used in a plastic pipe forming apparatus. The mandrel itself is formed from a pair of elongated tubes comprising an inner tube and an outer tube separated from the inner tube by a plastic flow path through the mandrel. ... | 12/08/1998 |
| 5840232 | Multi-layer parison extrusion system Large, multi-layer parisons with an inner layer, an intermediate layer, and an outer layer for use in intermittent extrusion blow molding are formed using a die head including a housing, an annular inner conduit having a first resin inlet with a horizonta... | 11/24/1998 |
| 5788902 | Extrusion of degradable plastic material in tubular form A method of extruding degradable plastic material in tubular form includes providing an annular extrusion die having an annular extrusion orifice and a longitudinal extending annular passage for conveying plastic material to the extrusion orifice. The die... | 08/04/1998 |
| 5779959 | Process for forming plastic articles A polymer resin extrusion head includes one or more annular extrusion modules in which a spiral channel means having one or more convolutions extends from a resin inlet on the periphery of the module to an annular extrusion outlet. Preferably, the channel... | 07/14/1998 |
| 5736094 | Method for manufacturing a catheter with varying physical properties along its length The invention relates to a method for manufacturing a catheter. This method includes the manufacturing of a tube-like basic body with a proximal and a distal end, the arranging of a connecting member to the proximal end, and the finishing of the distal en... | 04/07/1998 |
| 5718927 | Apparatus for multilayer blow molding An apparatus for manufacturing multilayer hollow articles having sections different from one another in respect to the kinds of resins, number of layers, and thickness of layers along the circumference in the horizontal section of an article with the narr... | 02/17/1998 |
| 5716650 | Multilayer modular extrusion die An extrusion die is disclosed including a first member having a surface which includes a plurality of spiral channel segments formed therein and a second member having a surface which includes a plurality of spiral channel segments formed therein. The sur... | 02/10/1998 |
| 5690972 | Annular co-extrusion die An annular co-extrusion die for extruding multi-layer tubular plastic film has inner die members stacked one upon another. The inner die members have radially outwardly extending surfaces forming radially outwardly extending helical passages between respe... | 11/25/1997 |
| 5676897 | Dripline duct with internally located emiters and manufacture process The dripline duct with internally attached emitter is used for irrigation. The duct is plastic and continuous, but does not have constant cross-section along its total length. The emitter may be simple, namely only having internally a meandering stroke or... | 10/14/1997 |
