Greene, Tweed of Delaware, Inc. Patent applications |
Patent application number | Title | Published |
20140305588 | Method of Bonding Perfluoroelastomeric Materials to a Surface - The invention includes a method of bonding a perfluoroelastomer material to first surface that includes: (a) contacting a first surface with a bonding agent comprising a curable perfluoropolymer and a curing agent; (b) curing the bonding agent to form a perfluoroelastomer material that is bonded to the first surface. In the practice of such method, the bonding agent may be a solution prepared by dissolving the curable perfluoroelastomer and the curing agent in a solvent. In an embodiment of the invention, the perfluoroelastomer material formed in step (b) is a coating layer or, alternatively, the first surface is a surface of a perfluoroelastomer member and the perfluoroelastomer material formed is a perfluoroelastomer weld. | 10-16-2014 |
20140107280 | Fluoroelastomer Compositions Having Self-Bonding Characteristics and Methods of Making Same - Self-bonding curable fluoroelastomer compositions are provided wherein the compositions including a) a fluoropolymer composition having at least one curable fluoropolymer; and b) a compound selected from the group consisting of aluminum acrylates, silicon acrylates, and ammonia acrylates, wherein the self-bonding curable fluoroelastomer composition is able to bond directly to a substrate. Bonded structures formed of such self-bonding compositions and a substrate having a surface bonded thereto are also described herein along with a method for bonding a self-bonding curable fluoroelastomer composition to a substrate surface. The fluoroelastomers herein may encompass both non-fully fluorinated (FKM) and fully fluorinated (FFKM) elastomers. | 04-17-2014 |
20140064873 | RIVETLESS NUT PLATE, RIVETLESS NUT PLATE ASSEMBLIES, WORKPIECES CONTAINING RIVETLESS NUT PLATE FASTENERS, AND RELATED METHODS - The invention encompasses a rivetless nut plate that includes: a base plate having an inferior face and a superior face, a plurality of extensions for engaging a fastener, each of the extensions extending from the superior face in a direction substantially perpendicular to the superior face, the extensions defining a cage region between the extensions, and the extensions being adapted to receive a retainer for retaining the fastener against the superior face in the cage region, and an anchor comprising a body extending from the inferior face to a distal end, having a groove to contain a portion of a substrate that is formed about the anchor being disposed between the inferior face and the distal end and the body having a conformation that is not rotationally symmetrical about an axis perpendicular to the inferior face of the base plate. | 03-06-2014 |
20140044974 | Inert Substrate-Bonded Fluoroelastomer Components and Related Methods - Included within the scope of the invention is an article of cured fluoroelastomer composition bonded to an inert substrate. The cured fluoroelastomer composition includes a fluoropolymer, a silica, and an acrylate compound. The fluoroelastomer composition is bonded to the inert substrate with a bind having a bond durability of at least about 1500 pounds load at 20° C. The inert substrate may be a metal substrate or a ketone-based polymer substrate. | 02-13-2014 |
20130219715 | METHOD OF FORMING CONNECTOR WITH ISOLATED CONDUCTIVE PATHS - An apparatus includes a pair of connectors, two or more conductive paths formed in each connector in the pair of connectors, and a shroud encompassing at least a portion of the pair of connectors. The pair of connectors includes a first connector and a second connector. The first connector is substantially more flexible than the second connector, and each connector in the pair of connectors includes a bulkhead. Each of the two or more conductive paths in each connector in the pair of connectors is electrically isolated from all other conductive elements in the pair of connectors. The shroud is located between the bulkheads and disposed about the pair of connectors when the pair of connectors are coupled together electrically. | 08-29-2013 |
20130217266 | METHOD OF FORMING CONNECTOR WITH ISOLATED CONDUCTIVE PATHS - An apparatus includes a pair of connectors, two or more conductive paths formed in each connector in the pair of connectors, and a shroud encompassing at least a portion of the pair of connectors. The pair of connectors includes a first connector and a second connector. The first connector is substantially more flexible than the second connector, and each connector in the pair of connectors includes a bulkhead. Each of the two or more conductive paths in each connector in the pair of connectors is electrically isolated from all other conductive elements in the pair of connectors. The shroud is located between the bulkheads and disposed about the pair of connectors when the pair of connectors are coupled together electrically. | 08-22-2013 |
20130202838 | Rapid Gas Decompression-Resistant Fluoroelastomer Compositions and Molded Articles - The disclosure herein includes rapid gas decompression (RGD)-resistant fluoroelastomeric compositions and includes a curable fluoropolymer having a curesite monomer with at least one functional group capable of curing with a peroxide curative. The compositions include a bisphenyl-based curative and an organic peroxide curative and an organic peroxide co-curative. The fluoroelastomeric compositions have a ratio of the bisphenyl-based curative to the organic peroxide co-curative of about 0.25:1 to about 1.5:1 and a ratio of the bisphenyl-based curative to the organic peroxide of about 0.5:1 to about 1.5:1. Such compositions can be formed into seals meeting RGD industry standards in a variety of sizes, up to and/or exceeding 5 mm in thickness or cross-sectional diameter. | 08-08-2013 |
20130200170 | Gas Dispersion Plate for Plasma Reactor Having Extended Lifetime - The invention includes a gas dispersion plate to provide reactant gases to a reaction chamber comprising: a plate body having a first surface and a second surface, the plate body having at least one injection passage that spans the plate from the first surface to the second surface, the distance along the passage from the first surface to the second surface defining the length of the passage, wherein the injection passage includes an ion trap chamber, through which gas flows from the first surface of the plate to the second surface of the plate. In an embodiment, the passage includes an inlet portion interposed between the first surface and the chamber and an outlet portion that is interposed between the ion trap chamber and the second surface. | 08-08-2013 |
20130183087 | Molded Composite Threads - Molded articles are described herein having a surface feature thereon, the articles being formed so as to include a polymeric composite material having reinforcing fibers in a polymeric matrix material. The surface feature(s) is created during heat molding of the polymeric composite material to form the article and the surface feature(s) include the polymeric matrix material and the reinforcing fibers therein. A method is also described which provides surface feature(s) to a molded article by providing a composite material as noted, placing the composite material in a mold for forming an article having a surface feature thereon, and molding the composite material using bladder inflation molding and pushing the reinforcing fibers into the surface feature of the molded article during molding using a heat molding process having a bladder inflation molding step, wherein the surface feature is created during the molding of the polymeric composite material to form the molded article and the reinforcing fibers are present in the polymeric matrix material defining the surface feature in the molded article. | 07-18-2013 |
20120289641 | Crosslinkable Fluorine-Containing Elastomer Composition and Molded Article Made of Said Composition - There are provided a crosslinkable elastomer composition which assures a small change in weight in both of There are provided a crosslinkable elastomer composition which assures a small change in weight in both of O | 11-15-2012 |
20120100379 | FLUOROELASTOMER BONDING COMPOSITIONS SUITABLE FOR HIGH-TEMPERATURE APPLICATIONS - Bonding compositions are provided herein for bonding a curable fluoroelastomer composition, and preferably a perfluoroelastomer composition, to a substrate during a heat curing process. The compositions include (a) a compound selected from the group consisting of aluminum acrylates, silicon acrylates, ammonia acrylates, and combinations thereof, (b) an adhesive compound; and (c) a solvent. Methods of bonding fluoro- and perfluoroelastomers to a substrate surface are also including herein which utilize the bonding compositions. | 04-26-2012 |
20120077935 | FLUORINE-CONTAINING ELASTOMER COMPOSITIONS SUITABLE FOR HIGH TEMPERATURE APPLICATIONS - A curable fluorine-containing elastomer composition is described which includes a first curable perfluoropolymer comprising tetrafluoroethylene, a first perfluoroalkylvinyl ether and at least one first cure site monomer having at least one cure site, wherein tetrafluoroethylene is present in the first curable perfluoropolymer in an amount of at least about 50 mole percent; a second curable perfluoropolymer comprising tetrafluoroethylene, a second perfluoroalkylvinyl ether and at least one second cure site monomer having at least one cure site, wherein the second curable perfluoropolymer comprises fluoroplastic particles therein; and at least one curative. Cured compositions and molded articles formed from such compositions are also disclosed. | 03-29-2012 |
20120040170 | Thermoplastic Fiber Composites Having High Volume Fiber Loading and Methods and Apparatus for Making Same - A method and apparatus are provided which enable formation of a thermoplastic article having a high volume loading of a long fiber reinforcement. The method includes providing a first thermoplastic composite material having at least about 40 volume percent of at least one reinforcing fiber; providing at least one mold, the mold(s) each comprising at least one first mold section having an inlet and an outlet and defining a first mold cavity and at least one second mold section having an inlet and an outlet and defining a second mold cavity, wherein the outlet of the first mold section is in communication with the inlet of the second mold section; introducing the first thermoplastic composite material into the first mold cavity; applying heat and pressure to the first thermoplastic composite material in the first mold cavity until the first mold section reaches at least a first process temperature; releasing the pressure on the mold; and reapplying pressure to the mold while cooling, wherein at least a portion of the first thermoplastic composite material flows out of the least one outlet of the first mold section and into the second mold cavity, wherein said cooling solidifies the first thermoplastic composite to form a molded article having the shape of the second mold cavity. Articles formed from such methods and apparatus are also disclosed. | 02-16-2012 |
20110252643 | CONNECTOR INCLUDING ISOLATED CONDUCTIVE PATHS - An apparatus includes a pair of connectors, two or more conductive paths formed in each connector in the pair of connectors, and a shroud encompassing at least a portion of the pair of connectors. The pair of connectors includes a first connector and a second connector. The first connector is substantially more flexible than the second connector, and each connector in the pair of connectors includes a bulkhead. Each of the two or more conductive paths in each connector in the pair of connectors is electrically isolated from all other conductive elements in the pair of connectors. The shroud is located between the bulkheads and disposed about the pair of connectors when the pair of connectors are coupled together electrically. | 10-20-2011 |
20110236692 | FLUOROELASTOMER COMPOSITIONS HAVING SELF-BONDING CHARACTERISTICS AND METHODS OF MAKING SAME - Self-bonding curable fluoroelastomer compositions are provided wherein the compositions including a) a fluoropolymer composition having at least one curable fluoropolymer; and b) a compound selected from the group consisting of aluminum acrylates, silicon acrylates, and ammonia acrylates, wherein the self-bonding curable fluoroelastomer composition is able to bond directly to a substrate. Bonded structures formed of such self-bonding compositions and a substrate having a surface bonded thereto are also described herein along with a method for bonding a self-bonding curable fluoroelastomer composition to a substrate surface. The fluoroelastomers herein may encompass both non-fully fluorinated (FKM) and fully fluorinated (FFKM) elastomers. | 09-29-2011 |
20110086229 | PERFLUOROELASTOMER COMPOSITIONS AND METHODS OF PREPARING SAME - The present invention includes crosslinked perfluoroelastomeric compositions and molded articles formed from a cross-linkable perfluoroelastomeric composition having a first curable perfluoropolymer having a cure site monomer and a second perfluoropolymer having a cure site monomer. The molar ratio of the tetrafluoroethylene monomer to perfluoroalkylvinyl ether in one perfluoropolymer is about 0 to 100 to about 65 to 35 in the perfluoropolymer. The molar ratio of the tetrafluoroethylene monomer to the perfluoroalkylvinyl ether monomer in the second polymer is about 65:35 to about 95:5 in the second perfluoropolymer. The composition further includes a curative. One fluorine-containing elastomer composition herein, having a short crosslinking time, has perfluoroelastomers (A) having a tetrafluoroethylene unit, a perfluoralkylvinyl ether unit (a) and a monomer unit (b) having at least one kind selected from the group consisting of a nitrile group, a carboxyl group and an alkoxycarbonyl group, wherein the composition has two or more kinds of perfluoroelastomers (A) having differing contents of perfluoroalkylvinyl ether unit (a). | 04-14-2011 |
20110083806 | Plasma Resistant Processing Apparatus - There is provided a processing apparatus undergoing various treatments using plasma and protected from plasma so as not to be damaged. The processing apparatus is one using plasma and having a protective layer comprising a fluorine-containing elastomer on the whole or a part of a surface exposed to plasma in the processing apparatus. | 04-14-2011 |
20110062053 | Chimerized Wafer Boat for Use in Semiconductor Chip Processing and Related Methods - The invention provides a wafer boat for housing a semiconductor or a solar wafer that includes at least one wafer support member containing at least one slot capable of receiving at least a portion of a peripheral edge of a wafer, wherein in the wafer support member comprises silicon carbide; and at least one structural member for conveying the wafer boat into and out of a processing device connected to the wafer support member , wherein the structural member is comprised of a ceramic material that is not silicon carbide. Also included are methods of manufacturing a wafer boat having increased durability and/or chip resistance. | 03-17-2011 |
20100239883 | High Performance Thermal Spray Coated Polymer Substrates and Related Methods of Manufacture - Described are methods of coating a polymer substrate including thermal coating substrate with a metallic boundary material to form a first layer and thermal coating the first layer with a metallic thermal spray material to form a second layer. Related coated articles, coated members, actuators and other items are also included. | 09-23-2010 |
20100163219 | Split Bearing Assemblies, Air-Cooled Heat Exchangers and Related Methods - Bearing assemblies are provided that include a bearing having a split bearing body that includes a material such as a composite or a thermoplastic; and at least one recess configured for receiving a rotary seal assembly; and at least one rotary seal assembly comprising an energizing component. The bearing assemblies may further include at least two recesses and/or an energizing component that is an o-ring. | 07-01-2010 |
20100163218 | Split Bearing Assemblies, Air-Cooled Heat Exchangers and Related Methods - Bearing assemblies are provided that include a bearing having a split bearing body that includes a material such as a composite or a thermoplastic; and at least one recess configured for receiving a rotary seal assembly; and at least one rotary seal assembly comprising an energizing component. The bearing assemblies may further include at least two recesses and/or an energizing component that is an o-ring. | 07-01-2010 |
20100151254 | Perfluoroelastomer Compositions Including Barium Titanate Fillers - Provided herein is a fluorine-containing elastomer composition having a first curable perfluoropolymer comprising tetrafluoroethylene, at least one perfluoroalkylvinyl ether and at least one cure site monomer having a functional group to permit crosslinking of the perfluoropolymer; and barium titanate. | 06-17-2010 |
20100093898 | Oxygen Plasma-Resistant Composition Characterized By Low Sticking, and Related Methods - The invention provides a curable fluoroelastomeric composition comprising: (i) a fluoropolymer comprising at least one cure site monomer that comprises at least one cyano group; (ii) a cure system comprising a functionalized biphenyl-based compound and at least one of: a dioxime compound represented by the formula (I): HON═R | 04-15-2010 |
20090301712 | Inert Substrate-Bonded Fluoroelastomer Components and Related Methods - Included within the scope of the invention is an article of cured fluoroelastomer composition bonded to an inert substrate. The cured fluoroelastomer composition includes a fluoropolymer, a silica, and an acrylate compound. The fluoroelastomer composition is bonded to the inert substrate with a bind having a bond durability of at least about 1500 pounds load at 20° C. The inert substrate may be a metal substrate or a ketone-based polymer substrate. | 12-10-2009 |
20090018275 | Method of Bonding Perfluoroelastomeric Materials to a Surface - The invention includes a method of bonding a perfluoroelastomer material to first surface that includes: (a) contacting a first surface with a bonding agent comprising a curable perfluoropolymer and a curing agent; (b) curing the bonding agent to form a perfluoroelastomer material that is bonded to the first surface. In the practice of such method, the bonding agent may be a solution prepared by dissolving the curable perfluoroelastomer and the curing agent in a solvent. In an embodiment of the invention, the perfluoroelastomer material formed in step (b) is a coating layer or, alternatively, the first surface is a surface of a perfluoroelastomer member and the perfluoroelastomer material formed is a perfluoroelastomer weld. | 01-15-2009 |
20080315141 | Slit Valve Door - The present invention provides a slit valve for sealing an opening in a chamber, wherein the slit valve includes a door having an interior and an exterior surface. A sealing member is disposed on the interior surface of the door near a periphery of the interior surface of the door, and a portion of the interior surface extends outwardly from the door and into the chamber so as to disrupt a flow of chemicals flowing towards the sealing member from within the chamber. | 12-25-2008 |
20080287627 | Perfluoroelastomer compositions and methods of preparing same - The present invention includes crosslinked perfluoroelastomeric compositions and molded articles formed from a cross-linkable perfluoroelastomeric composition having a first curable perfluoropolymer having a cure site monomer and a second perfluoropolymer having a cure site monomer. The molar ratio of the tetrafluoroethylene monomer to perfluoroalkylvinyl ether in one perfluoropolymer is about 0 to 100 to about 65 to 35 in the perfluoropolymer. The molar ratio of the tetrafluoroethylene monomer to the perfluoroalkylvinyl ether monomer in the second polymer is about 65:35 to about 95:5 in the second perfluoropolymer. The composition further includes a curative. One fluorine-containing elastomer composition herein, having a short crosslinking time, has perfluoroelastomers (A) having a tetrafluoroethylene unit, a perfluoralkylvinyl ether unit (a) and a monomer unit (b) having at least one kind selected from the group consisting of a nitrile group, a carboxyl group and an alkoxycarbonyl group, wherein the composition has two or more kinds of perfluoroelastomers (A) having differing contents of perfluoroalkylvinyl ether unit (a). | 11-20-2008 |