Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 8158044 | Method of forming composite articles A method for forming a composite article includes injecting first and second compositions into a die head at different points so as to produce a partially mixed composition that is discharged from the die head. The second composition contains less filler material th... | 04/17/2012 |
| 7998386 | Multilayered polymeric structure A multilayered polymeric structure having at least two polymeric layers is provided, each layer being a mixture of a polymeric composition with carbon fibrils. The multilayer polymeric structure may include an electrically conductive material between the first and s... | 08/16/2011 |
| 7968027 | Method for producing plastic rods The invention relates to a method for extruding round rods from transparent plastics such as for example polymethylmethacrylate (PMMA), polycarbonate (PC) or polyethylene (PET) and to a method for producing said round rods. ... | 06/28/2011 |
| 7897081 | Method of extruding articles Methods for coextruding a predetermined initial melt stream through at least one profiled die having a nonlinear inlet opening and an outlet opening. The die insert is positioned so as to cause redistribution of at least a portion of the melt stream. The nonlinear m... | 03/01/2011 |
| 7763196 | Catheter The catheter provided in accordance with aspects of the present invention includes an elongate tube having a proximal tube portion and a distal tube portion formed by stretching the distal portion of the elongate tube. The catheter is made throughout from an identic... | 07/27/2010 |
| 7491356 | Extrusion method forming an enhanced property metal polymer composite The invention relates to an extrusion method and to an extrudable metal polymer composite having increased density, improved viscoelastic properties, malleability and ductility and thermoplastic extrusion or injection molding properties. ... | 02/17/2009 |
| 7476353 | Method for producing an ice cream machine Method for the production of sealing elements on plastics articles. Said method includes the step of producing a film of silicone rubber on the sealing surface of the article. Advantageously, this film is formed by co-moulding or co-extrusion with the plastics artic... | 01/13/2009 |
| 7442332 | Method and apparatus for uniformly stretching thermoplastic film and products produced thereby Thermoplastic films and laminates are made by extrusion and stretching using differential speed rollers employing a short stretching gap of no more than one inch immediately after the extruded film product is formed. The method and apparatus control the thickness of... | 10/28/2008 |
| 7422711 | Method and apparatus for forming an extrusion A method of forming an extrusion comprises passing a first, plastics material (12) through a first channel (104) in a die, passing a second, plastics material (14) through a second channel (112) in the die, and passing a third, plastics m... | 09/09/2008 |
| 7413624 | Method for making multilayer articles having special visual effects The present invention relates to a method for making a multilayer article, wherein said multilayer article comprises: (i) a first layer comprising an acrylic resin; (ii) at least one translucent second layer comprising (a) an acrylic resin, optionally further compri... | 08/19/2008 |
| 7390450 | Process for preparing a fire resistant polycarbonate composition A process for producing a fire resistant polycarbonate composition comprises preparing an aqueous solution of a flame retardant salt; and compounding the aqueous solution of the flame retardant salt with a polycarbonate composition to form the fire resistant polycar... | 06/24/2008 |
| 7390558 | Aliphatic polyester film and packaging material An aliphatic polyester film on which an inorganic gas-barrier film is formed by deposition to improve the gas barrier properties of the aliphatic polyester wherein the adhesion between the aliphatic polyester film and the deposited gas-barrier film has been improved... | 06/24/2008 |
| 7387837 | Thermoplastic polyurethane composition and process for producing the same The present invention provides a thermoplastic polyurethane composition which comprises an ethylene-vinyl alcohol copolymer and/or a polyamide, and a thermoplastic polyurethane, in which the retention of melt tension thereof, when kept in a molten state at 220° C. ... | 06/17/2008 |
| 7381357 | Apparatus and method for co-extruding multi color plastics The present invention is the apparatus and method for producing a plastic sheet having a pattern produced in a layer therein. The plastic sheet is a single layer sheet or a multi-layer sheet. The pattern is produced by mixing two or more plastic extrudants together ... | 06/03/2008 |
| 7378145 | Hot-embossable polyester film The present invention relates to a transparent, hot-embossable, biaxially oriented polyester film having a base layer (B), an amorphous outer layer (A) with a coating on this outer layer (A), and a crystalline outer layer (c). The invention further relates to the us... | 05/27/2008 |
| 7368161 | Color stable pigmented polymeric films Color-stable, pigmented optical bodies comprising a single or multiple layer core having at least one layer of a thermoplastic polymer material. The thermoplastic polymer material has dispersed within it a particulate pigment. The optical bodies generally possess hi... | 05/06/2008 |
| 7341684 | Composite synthetic resin material forming method and apparatus A composite synthetic resin material forming apparatus comprises an outer channel having an outer outlet, an inner channel having an inner outlet opening into the outer channel, outer synthetic resin supply means for flowing an outer synthetic resin through the oute... | 03/11/2008 |
| 7329453 | White, heatsealable, peelable polyester film, process for its production and its use Coextruded, biaxially oriented polyester films which have a white base layer (B) and have a heatsealable outer layer (A) that can be peeled from APET/CPET and from CPET, where the outer layer (A) includes a) from 80 ... | 02/12/2008 |
| 7323239 | Protective films Multilayer protective films that adhere well to many different surfaces and can be removed without leaving residues are provided. The films consist of a polyolefin backing layer(s) and an adhering layer consisting of an ethylene unsaturated ester copolymer layer con... | 01/29/2008 |
| 7320773 | Biodegradable laminate sheet and molded item from biodegradable laminate sheet A biodegradable laminate sheet having as its object to provide a formed body superior in heat resistance, shock resistance, transparency and formability, and having non-stretched polylactic acid-family resin layer of which the crystallinity is 20% or less, and a lay... | 01/22/2008 |
| 7312949 | Base deck with overmolded elastomeric and rigid structural components A base deck for a data storage device is preferably formed from a stamped, or fine blanked metallic platform portion, which supports an over-mold portion. The over-mold portion is a combination of elastomeric components and rigid structural components. In addition t... | 12/25/2007 |
| 7291389 | Article having temperature-dependent shape Articles, particularly fibers, whose shape is dependent on temperature. The articles have a first component composed of a sharply-melting crystalline polymer and an overlapping second component. As the crystalline polymer is cooled through its melting range, the vol... | 11/06/2007 |
| 7285322 | Multilayer, transparent film made from polyethylene terephthalate (PET) and polyethylene naphthalate (PEN) for producing packaging composites with UV protection The invention relates to an at least two-layer polyester film with a total thickness of from 5 to 200 μm which comprises, alongside polyethylene terephthalate, from 2 to 20% by weight—based on the weight of the entire film—of polyethylene naphthalate (PEN), whe... | 10/23/2007 |
| 7273653 | Resin film and manufacturing method for the same, and resin laminated metal sheet using said resin film and manufacturing method for the same A resin film of a two-layer-construction comprising: (a) a resin layer R1 including a non-stretched resin film which contains a thermoplastic polyester resin containing 3 to 30 percent by weight in a weight fraction in the entire resin of a granular resin with a gra... | 09/25/2007 |
| 7249415 | Method of forming members for sealing or baffling There is disclosed a member for sealing, baffling and/or reinforcing components of an automotive vehicle. The assembly generally includes a carrier, an expandable material and at least one fastener. ... | 07/31/2007 |
| 7238317 | Method of continuously producing a twin-wall pipe with a ventilation zone between a socket and an adjacent elevation A twin-wall pipe comprises an internal pipe and an external pipe. The external pipe is corrugated, having elevations and troughs. The twin-wall pipe is further provided with a socket. In a transition portion towards the twin-wall pipe and the socket, provision is ma... | 07/03/2007 |
| 7229581 | Process for producing a thermoplastic film using plastic bottle recyclate Invention relates to a process for producing a single-layer or multilayer film by extrusion or coextrusion, biaxial orientation, and heat setting based on crystallizable thermoplastics whose principal constituent is a crystallizable thermoplastic having a standard v... | 06/12/2007 |
| 7229665 | Process of forming multilayered structures The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath ... | 06/12/2007 |
| 7229696 | Multilayer, transparent film made from PET and PEN with at least one functional outer layer for producing composite packaging with UV resistance The invention relates to an at least two-layer polyester film with a total thickness of from about 5 to about 200 μm which comprises polyethylene terephthalate and from about 2 to about 20% by weight—based on the weight of the entire film—of polyethylene naphth... | 06/12/2007 |
| 7211306 | Peelable polyester film with self-venting, process for its production and its use Coextruded, biaxially oriented polyester films which have a base layer (B) and have a heatsealable outer layer (A) that can be peeled from APET/CPET and from CPET, where the outer layer (A) includes a) from 80 to 98% by weight of polyester and ... | 05/01/2007 |
| 7202600 | Dimensionally stable electroluminescent lamp without substrate An electroluminescent panel includes a release layer, a first insulating layer on the release layer, a plurality of lamp layers on the first insulating layer, and a second insulating layer overlying the lamp layers. In accordance with one aspect of the invention, th... | 04/10/2007 |
| 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 |
| 7160584 | Method for manufacturing ceramic glow plugs A method for manufacturing a ceramic glow pin which is formed of more than two layers arranged especially coaxially to the axis of the glow pin and symmetrically. The layers of the layer structure are manufactured by co-extrusion. ... | 01/09/2007 |
| 7157135 | Co-extruded high refractive index coated embossable film An embossable film for creating holograms and diffraction gratings and methods of producing the embossable films are provided. The embossable film includes a base layer and a co-extruded embossable layer that is coated with a transparent high refractive index (HRI) ... | 01/02/2007 |
| 7153458 | Method of manufacturing a molded multilayer article Molten polymers are forced into T dies combined to form a multiple T die, the molten polymers are extruded through the T dies in monolayer. The monolayers extruded through the T dies are superposed and laminated outside the multiple T die while the polymers are in a... | 12/26/2006 |
| 7150848 | Method and apparatus for regular division of molten extrusion flow A blown film die divides a flow of material into two flows with higher and lower flow portions and recombines the flow by combining higher flow portions with lower flow portions. The flow can be divided in circumferential channels between an annular feed ring and an... | 12/19/2006 |
| 7144542 | Label film with improved adhesion The invention relates to the use of a biaxially oriented polyolefin film as a label film. The inventive film consists of a base layer and at least one cover layer. Said cover layer contains as the main component a copolymer or terpolymer consisting of one alkene and... | 12/05/2006 |
| 7144615 | Coextruded, hot-sealable and peelable polyester film, process for its production and its use This invention relates to a coextruded, transparent, biaxially oriented polyester film comprising a base layer (B) and a heatsealable top layer (A) which is peelable with respect to at least CPET. The heatsealable and peelable top layer (A) consists of ... | 12/05/2006 |
| 7141293 | Coextruded, hot-sealable and peelable polyester film having high peeling resistance, process for its production and its use This invention relates to a coextruded, transparent, biaxially oriented polyester film comprising a base layer (B) and a heatsealable top layer (A) which is peelable from at least APET, the heatsealable and peelable top layer (A) consisting of ... | 11/28/2006 |
| 7135135 | Superabsorbent water sensitive multilayer construction A multilayer construction that includes a first layer that includes water sensitive thermoplastic polymer and a second layer disposed on the first layer, the second layer including superabsorbent polymer. ... | 11/14/2006 |