Post-treatment Patents (Class 156/244.24)
  • Publication number: 20100239433
    Abstract: A continuous sucker rod preferably comprising fiberglass or composite material for use in an well is described herein. The continuous sucker rod may be connected at one end to a pump drive, via a polished rod, and at a second end to a downhole pump, via sinker bars or other weights. The continuous sucker rod preferably has at least two end fittings, one at each end of the continuous sucker rod. The end fittings, each having two ends and each being attached, at one end, to a respective end of the continuous sucker rod. The end fittings are preferably configured to enable connection to the polished rod and sinker bars respectively. The end fittings are connected to the continuous sucker rod so as to form wedges which enhance the connectability of the end fitting to the rod, and further, the wedge or wedges approach the rod asymptotically so as to avoid any abrupt discontinuities in the wedge or wedges thus substantially eliminating stress concentration areas and potential failure areas in the rod.
    Type: Application
    Filed: June 4, 2010
    Publication date: September 23, 2010
    Inventor: Russell P. Rutledge, SR.
  • Patent number: 7781497
    Abstract: A conventional part of a refrigerator containing an antibiotic substance has problems in that discoloration occurs with time, a surface of the part of the refrigerator is corroded during a manufacturing process, or the whitening effect is degraded, and production costs increase. The present invention relates to an antibiotic method for processing a part of a refrigerator using a silver-based antibiotic substance. The antibiotic method comprises the steps of forming a preform of the part to have a thickness relatively smaller than that of a finished product of the part through an extrusion process; mixing 0.05 to 0.1% by weight of the silver-based antibiotic substance in the form of pellets with a resin based on the total weight of the resin; and forming an antibiotic layer on a surface of the preform of the part using the resin with the antibiotic substance mixed therewith.
    Type: Grant
    Filed: March 30, 2004
    Date of Patent: August 24, 2010
    Assignee: LG Electronics Inc.
    Inventor: Hyun-Kyo Kim
  • Publication number: 20100191198
    Abstract: An apparatus for promoting the healing of an exuding wound includes a wound cover for defining a reservoir over a wound in which a negative pressure may be maintained. The cover may form a substantially fluid-tight seal around the wound and permit fluid communication between the reservoir and a vacuum source suitable for providing an appropriate negative pressure to the reservoir to stimulate healing of the wound. A wound filler positioned between the wound and the wound cover includes a fibrous material treated with a surface modification additive.
    Type: Application
    Filed: July 28, 2009
    Publication date: July 29, 2010
    Applicant: TYCO HEALTHCARE GROUP LP
    Inventor: David G. Heagle
  • Patent number: 7744807
    Abstract: A coherent nonwoven fibrous web comprises directly formed elastic fibers that have a molecular orientation sufficient to provide a birefringence number of at least 1×10?5 and preferably at least 1×10?2. The web can be made by a method that comprises a) extruding filaments of elastic-fiber-forming material; b) directing the filaments through a processing chamber in which gaseous currents apply a longitudinal stress to the filaments that attenuates and draws the filaments; c) maintaining the filaments at their orienting temperature while the filaments are under attenuating and drawing stress for a sufficient time for molecules within the filaments to become oriented along the length of the filaments; d) cooling the filaments to their orientation-locking temperature while the filaments are under attenuating and drawing stress and further cooling the filaments to a solidified fiber form; and e) collecting the solidified fibers as a fibrous nonwoven web.
    Type: Grant
    Filed: August 7, 2006
    Date of Patent: June 29, 2010
    Assignee: 3M Innovative Properties Company
    Inventors: Michael R. Berrigan, Anne N. De Rovere, Bradley W. Eaton, Brandy S. Nolan, Troy K. Ista, Timothy J. Lindquist
  • Publication number: 20100129675
    Abstract: A composite panel includes a metal plate and two plastic plates respectively bonded to two opposite surfaces of the metal plate. A system for making the composite panel includes a metal plate advancing unit for advancing the metal plate, two plastic plate supply units for supplying the two hot plastic plates respectively onto the two opposite surfaces of the metal plate, and a pressing unit for pressing the plastic plates against the respective opposite surfaces of the metal plate while the plastic plates are still hot. A method for making the composite panel is also disclosed.
    Type: Application
    Filed: April 13, 2009
    Publication date: May 27, 2010
    Inventors: Hsien-Te CHENG, Hsien-Sung CHENG
  • Publication number: 20100098925
    Abstract: A multi-layer nanocomposite material includes a first layer of a first polymeric material and a second layer of nanocomposite material. The nanocomposite material includes a second polymeric material and a nanofiller material exfoliated therewithin. The second layer is established on the first layer, or the first layer is established on the second layer. The multi-layer nanocomposite material exhibits enhanced physical properties and enhanced ductility due to the improved stress dissipation of the secondary layers during impact.
    Type: Application
    Filed: October 6, 2006
    Publication date: April 22, 2010
    Inventors: Paula D. Fasulo, William R. Rodgers, Robert A. Ottaviani
  • Publication number: 20100073882
    Abstract: A thermally conductive sheet having both of a high thermal conductivity and a high flexibility is obtained by providing a thermally conductive sheet including a composition containing: graphite particles (A) in the form of a scale, an elliptic sphere or a rod, a 6-membered ring plane in a crystal thereof being oriented in the plane direction of the scale, the major axis direction of the elliptic sphere, or the major axis direction of the rod; and an organic polymeric compound (B) having a Tg of 50° C. or lower, wherein the plane direction of the scale, the major axis direction of the elliptic sphere, or the major axis direction of the rod of the graphite particles (A) is oriented in the thickness direction of the thermally conductive sheet, the area of the graphite particles (A) exposed onto surfaces of the thermally conductive sheet is 25% or more and 80% or less, and the Ascar C hardness of the sheet is 60 or less at 70° C.
    Type: Application
    Filed: October 29, 2007
    Publication date: March 25, 2010
    Inventors: Tooru Yoshikawa, Michiaki Yajima, Teiichi Inada
  • Publication number: 20100054821
    Abstract: A roller for use in a developing unit of an image forming apparatus may include a non-conductive shaft member and a non-conductive member to surround at least a part of an outer periphery of the shaft member. The shaft member may include a cylindrical rolling part and a pair of support parts formed to project from both ends of the rolling part in a lengthwise direction. The rolling part of the shaft member may be arranged opposite a charge roller in a developing unit and may rotate in contact with the charge roller to absorb and remove foreign substances adhered to a surface of the charge roller.
    Type: Application
    Filed: May 21, 2009
    Publication date: March 4, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Hee-won JUNG, Ki-Jae Do, Tae-Hyun Kim
  • Patent number: 7655291
    Abstract: A co-extruded film including talc and a method for preparing the film includes a polyester resin containing talc. The films may be single layer films or multi-layered structures such as ABA or AB structured films. Multi-layered films have talc in at least the A layer of the multi-layered film. If talc is present in the B layer, the A layer preferably includes a greater percentage of talc relative to the percentage of talc present in said B layer. The method uses readily available, low cost talc as an additive to achieve a co-extruded polyester film having simultaneously reduced transparency and reduced gloss to provide a translucent polyester film.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: February 2, 2010
    Assignee: Toray Plastics (America), Inc.
    Inventor: Yijun Ye
  • Patent number: 7625459
    Abstract: A method for manufacturing a bag for use in vacuum packaging comprises forming a first panel having a plurality of baffles for evacuating air and/or other gases from inside the bag using a suction source, while preventing liquids from being drawn into the suction source, and a second panel. Each panel comprises a gas-impermeable base layer and a heat-sealable inner layer molded from melt-extruded resin. The first panel is overlapped with the second panel, and three of four edges of the panels are heated such that the inner layers bond at the heated edges. This description is not intended to be a complete description of, or limit the scope of, the invention. Other features, aspects, and objects of the invention can be obtained from a review of the specification, the figures, and the claims.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: December 1, 2009
    Assignee: Sunbeam Products, Inc.
    Inventors: Hongyu Wu, Charles Wade Albritton, David Brakes
  • Publication number: 20090291835
    Abstract: A honeycomb structure includes a honeycomb unit having inorganic particles, an inorganic binder and inorganic fibers. A value of (D90-D10)/D50, which indicates a length distribution of the inorganic fibers, is about two or less, where, when the fiber length is taken in a horizontal axis and a volume frequency is taken in a vertical axis, D10 is a fiber length at 10% by volume, D50 is a fiber length at 50% by volume, and D90 is a fiber length at 90% by volume, where D10<D50<D90.
    Type: Application
    Filed: February 19, 2009
    Publication date: November 26, 2009
    Applicant: IBIDEN CO., LTD.
    Inventors: Kazushige OHNO, Masafumi Kunieda, Takahiko Ido
  • Publication number: 20090282773
    Abstract: Methods and systems to manufacture lattice-based sandwich structures from monolithic material. Such methods and systems eliminate the bonding process which is conventionally used to join lattice based truss cores to facesheets to form sandwich structures. This bonded interface is a key mode of failure for sandwich structures which are subjected to shear or bending loads because the nodes transfer forces from the face sheets to the core members while the topology for a given core relative density dictates the load carrying capacity (assuming adequate node-bond strength exists). An aspect comprises a core and related structures that provide very low density, good crush resistance and high in-plane shear resistance. An aspect of the truss structures may include sandwich panel cores and lattice truss topology that may be designed to efficiently support panel bending loads while maintaining an open topology that facilitates multifunctional applications.
    Type: Application
    Filed: October 26, 2007
    Publication date: November 19, 2009
    Applicant: UNIVERSITY OF VIRGINIA PATENT FOUNDATION
    Inventors: Douglas T. Queheillalt, Haydn N.G. Wadley
  • Publication number: 20090136758
    Abstract: A non-mutually-adhesive pellet, process for producing non-mutually-adhesive pellet, and process for producing rubber molding are provided. The non-mutually-adhesive pellet comprises a core containing a rubber composition comprising a rubber, reinforcement and softener and a coating layer which contains a thermoplastic polymer and with which the core is coated, wherein the thermoplastic polymer has the crystal melting peak temperature as measured by a DSC measuring method including the specified procedures and the Vicat softening temperature as measured in accordance with JIS K7206 at a load of 10 N and a heating rate of 50° C./h is over 40° C.
    Type: Application
    Filed: July 5, 2006
    Publication date: May 28, 2009
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Takeshi Minaba
  • Publication number: 20090047502
    Abstract: Methods and systems for modularly constructed panels are described. A panel is formed by stacking and attaching together multiple layers of one or more materials. A layer of a panel may be formed completely of a single material, such as a polymer material, or of a combination of materials. One or more layers of a panel may include one or more nanomaterials.
    Type: Application
    Filed: August 11, 2008
    Publication date: February 19, 2009
    Applicant: SMART NANOMATERIALS, LLC
    Inventors: Robert Folaron, James Wylde, Tobin Djerf
  • Patent number: 7449080
    Abstract: According to the present invention, there is provided a hose assembly with an inner fluoropolymer layer having a somewhat smooth inner surface and an outer polyamide layer having an undulated surface.
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: November 11, 2008
    Inventors: Norman S. Martucci, Boney A. Mathew, Rich Hahn
  • Patent number: 7338573
    Abstract: A method of forming a magnetic assembly having at least one magnetic layer having dimensions of thickness, width and length, and at least one printable substrate layer having dimensions of thickness, width and length, including the steps of providing a molten magnetic composition including about 70 wt-% to about 95 wt-% of at least one magnetic material and about 5 wt-% to about 30 wt-% of at least one thermoplastic binder, forming the magnetic composition into a magnetic layer at an elevated temperature and directly applying the magnetic layer at an elevated temperature to a first surface of a printable substrate layer wherein. An adhesion promoting composition may be further provided between the magnetic layer and the printable substrate layer for improving adhesion between the magnetic layer and the printable substrate layer.
    Type: Grant
    Filed: October 18, 2002
    Date of Patent: March 4, 2008
    Assignee: MagnetNotes, Ltd.
    Inventors: Randall Boudouris, Raymond Richards
  • Patent number: 7320773
    Abstract: 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 layer comprising a biodegradable resin other than a polylactic acid-family resin.
    Type: Grant
    Filed: July 10, 2003
    Date of Patent: January 22, 2008
    Assignee: Mitsubishi Plastics, Inc.
    Inventor: Yosuke Egawa
  • Patent number: 7303805
    Abstract: This invention relates to a low cost loop material for a hook and loop fastener having at least one sheet of flexible nonwoven material intermittently bonded to inelastic oriented film. The invention further relates to methods for producing these loops.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: December 4, 2007
    Assignee: 3M Innovative Properties Company
    Inventors: Jayshree Seth, Dennis L. Becker
  • Patent number: 7303642
    Abstract: A multi-microlayer thermoplastic film structure and methods of making the same. More specifically, this invention relates to a multi-microlayer film having a corrugated polymer layer and a thermoplastic elastomer layer. Filler materials may be included in either the corrugated polymer layer or the thermoplastic elastomer layer. The multi-microlayer films may be formed in a co-extrusion process.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: December 4, 2007
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventor: Vasily A. Topolkaraev
  • Patent number: 7282109
    Abstract: Disclosed is a method for producing a laminated porous polyolefin film, the method comprising steps of: providing a pair of tools for thermocompression bonding two resin films therebetween, laminating two films each comprising at least one layer made of a polyolefin resin composition comprising 100 parts by weight of a polyolefin resin having a melt index of 0.1 g/10 min or less and 80 to 300 parts by weight of a filler to form a laminated film by piling and thermocompression bonding the films between the thermocompressing portions of the tools, wherein the surface temperature of each thermocompressing portion is adjusted to a temperature higher than the melting point of the polyolefin resin by from 5 to 25° C. during the lamination, and drawing the laminated film to form micropores therein, thereby yielding a porous film.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: October 16, 2007
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Atsuhiro Takata, Ryuma Kuroda, Takeshi Yamada
  • Patent number: 7219484
    Abstract: A process for preparing a laminated, thermoformed film which comprises: a. blowing a film-forming composition to form a bubble; b. collapsing the bubble to form a film stack comprising a plurality of layers; and c. heating said film stack in a mould to thermoform said film stack and to adhere the layers together.
    Type: Grant
    Filed: January 24, 2002
    Date of Patent: May 22, 2007
    Assignee: Reckitt Benckiser (UK) Limited
    Inventors: Paul John Duffield, Geoffrey Robert Hammond
  • Patent number: 7204905
    Abstract: A method for forming a laminated synthetic leather includes engaging a textile carrier onto a carrying roller and engaging a release liner onto a lamination roller, extruding one or more materials with an extruder machine into a film, and feeding the film downwardly onto the release liner and to have the film carried on the release liner, and to have the film and the release liner to be suitably cooled by the lamination roller. The film and the textile carrier may be compressed together with the rollers, to form the laminated synthetic leather. The release liner may include one or more flat or spatial patterns for transmitting to the film.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: April 17, 2007
    Inventor: Swei Mu Wang
  • Patent number: 7128798
    Abstract: A process of making a magnetic assembly having at least one magnetic layer and at least one printable substrate layer including the steps of providing a magnetic composition comprising about 70 wt-% to about 95 wt-% of at least one magnetic material and about 5 wt-% to about 30 wt-% of at least one thermoplastic binder, forming the magnetic composition into a magnetic layer, and directly applying the magnetic composition at an elevated temperature in molten form to a printable substrate layer, and to the magnetic composition and any articles made therefrom.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: October 31, 2006
    Assignee: MagaetNotes, Ltd.
    Inventors: Randall A. Boudouris, Raymond S. Richards
  • Patent number: 7074289
    Abstract: A method for preparing laminating materials and a composite prepared therefrom, the method including providing at least one layer of interleaf, extruding a thermoplastic adhesive with a die, forming a composite by applying the at least one layer of interleaf to the adhesive before cooling the adhesive, and pressing the composite with rolls to adhere the at least one layer of interleaf to the adhesive.
    Type: Grant
    Filed: May 1, 2002
    Date of Patent: July 11, 2006
    Inventors: Anthony Joseph Walder, Richard Allen Barnes, James Michael Touchette
  • Patent number: 7052640
    Abstract: A moldable pellet used for making high impact, non-abrasive recyclable structural composites consisting of a thermoplastic polymer or polymers, with or without fillers and additives, and a synthetic cellulosic fiber in yarn or tow form such as Rayon or Lyocell. The concentration of cellulose fiber within the pellet may vary from approximately 2–80 percent by weight or higher. This moldable pellet is suitable for molding in current molding applications such as, but not limited to, injection molding, extrusion compression molding, and compression molding.
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: May 30, 2006
    Assignee: Owens Corning Fiberglas Technology, Inc.
    Inventors: Frank R. Cichocki, James L. Thomason, Terry L. Cheney
  • Patent number: 7037634
    Abstract: The present invention relates to an imaging element comprising at least one imaging layer and a base. The base comprises a foam core layer, which comprises a polymer that has been expanded through the use of a blowing agent, and at least one polymeric surface smoothing layer, which comprises a solution polymer.
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: May 2, 2006
    Assignee: Eastman Kodak Company
    Inventors: Peter T. Aylward, Narasimharao Dontula
  • Patent number: 7033723
    Abstract: The present invention relates to an imaging element comprising an imaging layer and a support, wherein the support comprises a core layer having a surface roughness of at least 1.4 microns and a pit camouflaging flange layer between the support and the imaging layer. The present invention also relates to a method of forming an imaging support comprising extruding a polymer layer onto a core layer of surface roughness of at least 1.4 microns, and passing the extruded polymer layer on the core layer between two temperature controlled rollers, one of which comprises a pit camouflaging surface and a method of forming an imaging support comprising extruding a polymer layer, passing the extruded polymer layer between two temperature controlled rollers, one of which comprises a pit camouflaging surface, and laminating the polymer layer onto a core layer with a surface roughness of at least 1.4 microns.
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: April 25, 2006
    Assignee: Eastman Kodak Company
    Inventors: Peter T. Aylward, Narasimharao Dontula, Sandra J. Dagan, Thaddeus S. Gula, Terry A. Heath
  • Patent number: 6984437
    Abstract: Three-layer, highly oriented polyester films having an A-B-C layer construction, preferably made of polyethylene terephthalate, which, in addition to a base layer B, have a smooth surface layer A which contains no external particles and a rough surface layer C which contains external particles such as antiblocking agents or pigments, preferably SiO2, in defined amounts and particle sizes, feature in particular good producibility and processibility, high gloss of the film surface A and low opacity. The very smooth surface A is suitable in particular for coating with materials, for example SiOx, by means of plasma polymerization of hexamethyldisiloxane by the CVD or PECVD method, which provides the film with a high oxygen barrier and is suitable in particular as packaging for light- and air-sensitive foods or other consumable items.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: January 10, 2006
    Assignee: Mitsubishi Polyester Film GmbH
    Inventors: Bart Janssens, Herbert Peiffer, Gottfried Hilkert
  • Patent number: 6960392
    Abstract: A multilayer structure of, in succession, a metal layer or a metallized-substrate layer, a layer of a polypropylene-based binder extrusion-coated at a rate of more than 100 m/min. and optionally a polypropylene layer, the metal or metallized layer and the binder layer being made non-delaminable by heat treating the structure. The extrudable binder contains by weight: (A) 5 to 30% of a copolymer of ethylene and one or more comonomers chosen from the group of carboxylic acid esters, vinyl esters and dienes in particular the ethylene/alkyl (meth)acrylate/maleic anhydride terpolymer; (B) 40 to 93% of a stretchable polypropylene; and (C) 2 to 30% of a polypropylene functionalized by an unsaturated carboxylic acid anhydride, especially maleic anhydride; the MFI of the composition being between 10 and 50 g/10 min. (at 230° C./2.16 kg). the multi-layer structure is useful for the production of packages.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: November 1, 2005
    Assignee: Arkema
    Inventors: Yves Le Du, Patrice Perret
  • Patent number: 6902802
    Abstract: The present invention provides a heat-sealable polyester composition having an amorphous processing window ranging from a Tg in the range of about 40° C. to about 70° C., to a Tcg in the range of about 70° C. to about 150° C. The composition preferably contains a mixture of poly(ethylene terephthalate) homopolymer or copolymer and poly(trimethylene terephthalate) homopolymer or copolymer, either as a physical blend or as a copolyester oligomer or polymer prepared from the respective monomers. The resulting composition is heat-sealable at low temperatures, retains barrier properties and is non-flavor-scalping.
    Type: Grant
    Filed: August 15, 2003
    Date of Patent: June 7, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Joseph V. Kurian, Diane M. Hahm, Benjamin A. Smillie
  • Patent number: 6899782
    Abstract: A method and apparatus for continuously processing fiber into an elastomeric component uses an expanding die (11, 11a) for orienting fibers in other than the processing direction of the extrusion. In one embodiment, an injection mold (50) is used with the expanding die (11), and in another embodiment, an extruder (30) is used with expanding die (11a). Processing parameters may be alteredto control the direction of orientation of fibers (20) in the elastomer component. Orientation of fibers (20) in an extrudate (17) is dependent on the processing speed viscosity of the elastomer, pressure of extrusion, the length l1 and l2 and height h1 and h2 of gate (12) and expansion cavity (14), respectively, of the expansion die (11, 11a).
    Type: Grant
    Filed: September 7, 1999
    Date of Patent: May 31, 2005
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Ching-Chian Chang, Robert Henry Vogliano, Cheng Shaw
  • Patent number: 6890400
    Abstract: Overlaminated faceless PSA label constructions of this invention comprise a low material cost, thin prelaminate PSA construction having a layer of pressure-sensitive material disposed on a release surface of a removable substrate, and a nonblocking continuous film disposed over a surface of the layer of pressure-sensitive adhesive to render the pressure-sensitive adhesive tack free. An optically transparent overlaminate film layer is disposed over the nonblocking continuous film, and a printed indicia is interposed between the overlaminate film layer and nonblocking continuous film. The prelaminate PSA construction does not include a conventional facestock formed from paper, cardboard or plastic, and is highly conformable.
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: May 10, 2005
    Assignee: Avery Dennison Corporation
    Inventors: William F. Scholz, Eric Chen-nan Su, Norman A. Conti, Johannes Schut, David J. Scanlan, Steven J. Vargas, Ronald Ugolick, Jose Luis Mendez, Edward I. Sun
  • Patent number: 6881460
    Abstract: A multilayer molding having a polyamide-based resin as an outer layer, the multilayer molding including a fluorine-containing resin as an inner layer, as well as a resin laminate which can form the multilayer molding. The resin laminate has a layer (A) including a polyamide-based resin and a layer (B) including a fluorine-containing ethylenic polymer laminated to the layer (A), the polyamide-based resin having an amine value of 10 to 60 equivalents/106 g, and the fluorine-containing ethylenic polymer being a fluorine-containing ethylenic polymer having a carbonyl group.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: April 19, 2005
    Assignee: Daikin Industries, Ltd.
    Inventors: Takeshi Inaba, Taketo Kato, Shigehito Sagisaka, Takuya Arase, Tetsuo Shimizu
  • Patent number: 6872458
    Abstract: A method of making a multilayer film is provided, including the steps of forming a core layer of a polypropylene film, monoaxially orienting the core layer in a first direction, and providing at least one multilayer cap layer to at least one side of the core layer to provide a multilayer film. The cap layer includes a non-crystallizable, amorphous polyester layer having a sufficient proportion of a non-crystallizable, amorphous polyester to render the amorphous polyester layer non-crystallizable and a first tie layer interposed between the polyester layer and the core layer, the first tie layer including an adhesive. The multilayer film is then oriented in a second direction transverse to the first direction.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: March 29, 2005
    Assignee: Applied Extrusion Technologies, Inc.
    Inventors: David Rudd, Brenda Ruf
  • Patent number: 6858275
    Abstract: An irradiated multilayer film has a first layer and a second layer. The first layer is an outer heat seal layer containing a blend of a highly branched homogeneous polymer and a semicrystalline polymer. The highly branched homogeneous polymer has at least 40 branches per 1000 methylene groups, an Mw/Mn less than 3.0, and a density of less than 0.89 g/cc. The highly branched homogeneous polymer is present in an amount of from about 1 to 50 weight percent, based on layer weight. The semicrystalline polyolefin has a density of at least 0.90 g/cc. The semicrystalline polyolefin is present in an amount of from about 60 to 99 weight percent, based on total layer weight. The second layer contains a thermoplastic polymer in a crosslinked polymer network. A process for making a packaging article includes coextruding the first and second layers, irradiating the resulting multilayer film, and thereafter heat sealing the first layer to itself or another component of the packaging article.
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: February 22, 2005
    Assignee: Cryovac, Inc.
    Inventors: Isabella Ferri, Slawomir Opuszko, Nathanael Rustia Miranda
  • Publication number: 20040256050
    Abstract: A method for making a vacuum packaging film includes flowing a plastic melt, from a multi-layer extruder, onto a rotating roller. The plastic melt is then cooled while simultaneously imparting a pattern, via a pattern imparting means, onto the plastic melt resulting in the vacuum packaging film.
    Type: Application
    Filed: March 15, 2004
    Publication date: December 23, 2004
    Inventor: Hongyu Wu
  • Publication number: 20040234721
    Abstract: Polypropylene is one of the most commonly used plastics in furniture and various structures (such as for example plastic warehouses) due to its cheap price, friendliness to the environment (in terms of degrading in a reasonable time when thrown away as waste), and good strength per weight factor. However, one of its biggest disadvantages is that like Teflon it is very inert, and therefore it is very hard to paint it after production or to connect other materials to it for example through chemical means, ultrasound, or with heat. Although it is possible to add various patterns or textures, such as for example wood-like patterns to the cast, and although is possible to add for example more colors without mixing them or with only partial mixing in order to get more than one color, such a mixing cannot be precisely controlled and cannot be made to fit with the texture, whereas for example wood texture would require proper color changes in correlation with the texture.
    Type: Application
    Filed: May 20, 2004
    Publication date: November 25, 2004
    Inventors: Yaron Mayer, Al J.C. Baur
  • Patent number: 6811643
    Abstract: A method of making a microporous laminate sheet having a first film layer and a second layer. The first film layer includes a pore initiator and is bonded to the second layer in order to form a laminate sheet. The laminate sheet is then stretched using at least one CD intermeshing stretcher and at least one MDO stretching unit. Methods of making a microporous film is well as a microporous film laminate are also provided, along with an apparatus for stretching a film or laminate.
    Type: Grant
    Filed: February 24, 2003
    Date of Patent: November 2, 2004
    Assignee: Clopay Plastic Products Company, Inc.
    Inventors: Larry Hughey McAmish, Kenneth L. Lilly
  • Patent number: 6811638
    Abstract: The present invention provides a process for heat treatment of non-woven composite elastic material including a non-woven elastic layer; a non-woven gatherable layer. The process includes stretching the material, heating the material and cooling the material. The material has a softer more cloth-like feel.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: November 2, 2004
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Kenneth B. Close, David J. Baer, Charles A. Smith, Stephen Primm, Walter A. Mattingly, Scott R. Lange
  • Patent number: 6808771
    Abstract: The invention relates to a single- or multilayer shirred stick packaging casing in the form of a shirred stick based on synthetic or natural polymers which has a high shirring density of up to 1:500 at a length of the shirred stick of from 10 to 200 cm, and to a process for producing the packaging casing.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: October 26, 2004
    Assignee: Kalle GmbH & Co. KG
    Inventors: Christian Auf Der Heide, Dirk Auf Der Heide, Juerg-Heinrich Kallweit
  • Patent number: 6794021
    Abstract: A thermoplastic multi-layer film for forming hermetic seals on packages comprising layer A comprising polyethylene, layer B comprising polypropylene, layer C comprising a copolymer, and an adhesion promoting coating applied to layer C.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: September 21, 2004
    Assignee: Exxon Mobil Oil Corporation
    Inventor: Michael J. Bader
  • Patent number: 6777053
    Abstract: Process for the production of a multilayer coextrudate with a plastic layer that has release properties with respect to adhesives, where the materials producing the release properties are located within the plastic layer, where a first web is provided in production of the coextrudate on one side of which a layer of adhesive is located, after which the plastic layer with the release properties follows, which is in turn bonded to a second web. A multilayer coextrudate is characterized by the fact that at least two plastic films are provided, between which a layer of adhesive and a further layer that has release properties with respect to the adhesive are located.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: August 17, 2004
    Assignee: 4P Folie Forchheim Zweigniederlassung der Van Leer Deutschland GmbH & Co. KG
    Inventor: Walter Günter
  • Patent number: 6767618
    Abstract: A multi-layered stretched resin film comprises a base layer (A) comprising more than 90 wt % of a polyolefinic resin and less than 10 wt % of an inorganic fine powder and/or an organic filler; and an amorphous resin-containing layer (B), comprising 0 to 85 wt % of a second polyolefinic resin, which may be the same or different than the first polyolefinic resin, and 15 to 100 wt % of an amorphous resin. The amorphous resin-containing layer (B) is disposed on at least one side of the base layer (A), and has a porosity of 5% or less. Such multi-layered stretched resin films are resistant to waving or curling caused by exposure to the vehicle component of offset printing inks during offset printing, and therefore have excellent printing properties.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: July 27, 2004
    Assignee: Yupo Corporation
    Inventors: Atsushi Ishige, Kazuhisa Kitamura
  • Patent number: 6767423
    Abstract: A fastener tape for use in the manufacture of reclosable plastic bags is provided. The fastener tape comprises an intermediate layer and a reclosable fastener profile thereon. The intermediate layer includes three layers of co-extruded plastic, with not more than 4% EVA as the outer two layers and HDPE as the middle layer. The intermediate layer is folded so as to bring portions of the intermediate layer into an opposing relationship. These opposing portions are the sealed together by a pair of seal bars. By carefully controlling the sealing temperature, a consistent peel seal is created between the opposing portions of the intermediate layer without the need for an adhesive.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: July 27, 2004
    Assignee: Illinois Tool Works Inc.
    Inventors: James Johnson, Daniel T. Sullivan, Jr.
  • Patent number: 6761965
    Abstract: An irradiated multilayer film has a first layer and a second layer. The first layer is an outer heat seal layer containing a blend of a highly branched homogeneous polymer and a semicrystalline polymer. The highly branched homogeneous polymer has at least 40 branches per 1000 methylene groups, an Mw/Mn less than 3.0, and a density of less than 0.89 g/cc. The highly branched homogeneous polymer is present in an amount of from about 5 to 50 weight percent, based on layer weight. The semicrystalline polyolefin has a density of at least 0.90 g/cc. The semicrystalline polyolefin is present in an amount of from about 50 to 95 weight percent, based on total layer weight. The second layer contains a thermoplastic polymer in a crosslinked polymer network. A process for making a packaging article includes coextruding the first and second layers, irradiating the resulting multilayer film, and thereafter heat sealing the first layer to itself or another component of the packaging article.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: July 13, 2004
    Assignee: Cryovac, Inc.
    Inventors: Isabella Ferri, Slawomir Opuszko, Nathanael Rustia Miranda
  • Patent number: 6758903
    Abstract: A method and apparatus for extrusion coating both sides of a metal strip. A metal strip, such as aluminum alloy strip, is moved through a pre-conditioner, two extrusion dies, a post-heater and a cooling system. Both sides of the strip are coated with thin coatings of thermoplastic polymers. The coated metal strip is useful for containers, such as cans and can ends, as well as for automobiles, appliances, aerospace, construction and electrical devices.
    Type: Grant
    Filed: July 9, 2003
    Date of Patent: July 6, 2004
    Assignee: Alcoa Inc.
    Inventors: Thomas L. Levendusky, Robert B. Larsen, Vincent J. Downard, Roy B. Steidley, Dawn A. Armfield, Paul H. Fournier, John B. Kapustay, Jr., Jeffrey B. Pezick
  • Publication number: 20040099369
    Abstract: A method for producing a polymer mirror by continuously manufacturing a polymeric substrate, applying a reflective layer or layers which may be a polymer whose surface has been metallized so as to make it reflective or a multilayer film wherein the combined refractive indices of the layers give the quality of a mirror surface. An optional coating may be applied to a surface of the reflective layer to promote adhesion to the underlying substrate. A composite is the formed by heat lamination using a calendar roll assembly to fuse the layers into a rigid final article having a reflective surface having the character of a silver mirror, a highly reflective mirror, or a colored mirror.
    Type: Application
    Filed: November 22, 2002
    Publication date: May 27, 2004
    Inventors: Darrell L. Sparks, Grant B. LaFontaine
  • Publication number: 20040035515
    Abstract: The present invention provides a studless tire excellent in performance on ice and snow in which digging friction is improved without losing adhesion friction. The studless tire has a tread comprising specific short fiber or plate-like material dispersed in diene rubber so as to be oriented in the tread thickness direction, wherein when measured at 25° C.
    Type: Application
    Filed: June 27, 2003
    Publication date: February 26, 2004
    Inventors: Isamu Tsumori, Akira Minakoshi, Naohiko Kikuchi, Yoshikazu Tanaka, Takuzo Iwata, Norio Taniguchi
  • Publication number: 20040031559
    Abstract: Automotive trim strips (32) are made by extruding a thermoplastic material onto a foil carrier (24). The foil carrier (24) has a receiving surface having a low strength adhesive for releasably receiving the thermoplastic material (22). The thermoplastic material is end formed to contour ends of the thermoplastic material such that an automotive trim strip (32) is formed having a predetermined final length. The automotive trim strips (32) are then cooled. The foil carrier (24) is removed presenting a substantially flat surface for receiving adhesives for permanently attaching the automotive trim strip (32) to the vehicle.
    Type: Application
    Filed: April 10, 2003
    Publication date: February 19, 2004
    Inventors: Avi Zohar, Earlby Wakefield, Scott Mouser
  • Patent number: RE40039
    Abstract: The present invention provides aromatic polyamide resin moldings comprising at least one surface that is 1.0 nm or more in root-mean-square roughness and is 80 nm or less in 10-point average roughness, both of the roughness being as determined by atomic force microscopy, and that is 9.8 GPa or more in tensile Young's modulus at least in one direction. Such aromatic polyamide resin moldings serve effectively as material for film, film for magnetic recording medium in particular, that is highly resistant to scraping and has highly uniform surface protrusions.
    Type: Grant
    Filed: August 29, 1997
    Date of Patent: January 29, 2008
    Assignee: Toray Industries, Inc.
    Inventors: Akimitsu Tsukuda, Masanori Sueoka, Toshihiro Tsuzuki