Patents Examined by Christopher Raimund
  • Thermal resistance-improved flame retardant cloth
    Patent number: 5981407
    Abstract: Provided is a flame-retardant fabric comprising (A) from 16 to 45 parts by weight of a halogen-containing fiber containing from 11 to 67% by weight of a halogen chemically bound to a polymer and from 4 to 30% by weight of an Sb compound not chemically bound to a polymer, (B) from 10 to 36 parts by weight of a polyvinyl alcohol fiber, and (C) from 60 to 40 parts by weight of a polyester fiber, which are compounded to total 100 parts by weight. The flame-retardant fabric of the present invention has an excellent heat resistance, an excellent processability and a high flame retardance. This fabric can improve the feeling after high-temperature processing such as transfer printing and further widen the range of application of a polyester fiber product.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: November 9, 1999
    Assignee: Kaneka Corporation
    Inventors: Takaharu Matsumoto, Masayuki Adachi, Akio Konishi, Takahiro Ogawa
  • Mugwort-impregnated sheet and method for making the same
    Patent number: 5981405
    Abstract: A method of making a mugwort-impregnated sheet is disclosed. The method employs an apparatus comprising a release drum having a roll of meshed linen wound thereon, a withdrawal drum for withdrawal the meshed linen from the release drum, a device for applying a binder on the meshed linen while the meshed linen is withdrawn to the withdrawal drum; and a device for applying a mugwort powder on the meshed linen while the meshed linen is withdrawn to the withdrawal drum.
    Type: Grant
    Filed: July 28, 1998
    Date of Patent: November 9, 1999
    Assignee: ChangGun Kuack
    Inventor: ChangGun Kuack
  • Insulating element and method and plant for producing and packaging
    Patent number: 5981024
    Abstract: A mineral fiber plate product is produced by producing a first non-woven mineral fiber web containing mineral fibers predominantly arranged in a first longitudinal direction and segments of the first mineral fiber web are arranged in a partly mutually overlapping relationship for producing a second non-woven mineral fiber web, which contains mineral fibers generally transversally relative to one another. The second mineral fiber web is folded transversely for producing a third non-woven mineral fiber web. The third non-woven mineral fiber web is cured for producing a cured non-woven mineral fiber web from which a mineral fiber plate, or alternatively, a tubular insulating element is cut. In packaging, the volume of the mineral fiber plate may be reduced to 40%-60%.
    Type: Grant
    Filed: September 6, 1996
    Date of Patent: November 9, 1999
    Assignee: Rockwool International A/S
    Inventors: Luis Joergen Noergaard, Kim Brandt, Ian Cridland
  • Cut resistant non-woven fabrics
    Patent number: 5976998
    Abstract: A fiber having increased cut resistance is made from a fiber-forming polymer and a hard filler having a Mohs Hardness Value greater than about 3. The filler is included in an amount of about 0.05% to about 20% by weight. In preferred embodiments, the fiber-forming polymer is poly(ethylene terephthalate) or a liquid crystalline polyester comprising monomer units derived from 6-hydroxy-2-naphthoic acid and 4-hydroxybenzoic acid. Preferred fillers include tungsten and alumina.
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: November 2, 1999
    Assignee: Hoechst Celanese Corporation
    Inventors: Robert Bruce Sandor, Michele C. Carter, Gunilla E. Gillberg-LaForce, William F. Clear, John A. Flint, Herman Leslie Lanieve, Scott W. Thompson, Etheridge Odell Oakley, Jr.
  • Liquid permeable casing sheet for absorbent sanitary articles
    Patent number: 5976665
    Abstract: The present invention relates to a liquid-permeable casing sheet (1) for absorbent sanitary articles, such as sanitary napkins, incontinence guards and diapers. According to the invention, the casing sheet (1) includes a first layer (2) which is corrugated across at least a central part of its surface so as to provide a row of mutually parallel waves having wave crests (3) and wave troughs (4), wherein the wave crests form an article contact surface with the wearer's body when the article is in use. The casing sheet also includes rows of through-penetrating openings (6) which extend perpendicularly to the corrugations or waves and each of which opening passes through a wave crest (3). The invention also relates to a method for producing such a casing sheet.
    Type: Grant
    Filed: April 8, 1997
    Date of Patent: November 2, 1999
    Assignee: SCA Molnlycke AB
    Inventor: Roy Hansson
  • Multi-coat painting process
    Patent number: 5976343
    Abstract: Process for multi-coat lacquering of a substrate with a stoved first electrodeposition layer by applying a second surface coating layer of 10 to 30 .mu.m dry layer thickness consisting of a base lacquering agent containing a first, water-based, polyurethane resin, and wet-on-wet application of a third coating agent with a thinner dry layer thickness of 7 to 15 .mu.m consisting of a second water-based base lacquering agent, further application without prior stoving of a clear lacquer layer and mutual stoving, wherein the first base lacquering agent has a higher concentration of polyurethane resin than the second base lacquering agent.
    Type: Grant
    Filed: December 10, 1998
    Date of Patent: November 2, 1999
    Assignee: Herberts Gesellschaft mit beschrankter Haftung
    Inventor: Detlef Schlaak
  • Strengthening agent, strengthened metal halide particles, and improved lamp fill material
    Patent number: 5972442
    Abstract: Particle compositions are described comprising certain metal halides in combination with a strengthening agent. The addition of the strengthening agent to a metal halide particle increases the particle's strength thereby reducing breakage on impact and during handling. When used as a vaporizable metal halide fill in discharge lamps, the particle strength is increased without significantly altering the spectral and electrical characteristics of the lamp. Methods of making the particles and arc tube containing the particles are also disclosed.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: October 26, 1999
    Assignee: Advanced Lighting Technologies, Inc.
    Inventors: Scott Anderson, Steve Hansen
  • Nonwoven lap formed of very fine continuous filaments
    Patent number: 5970583
    Abstract: A nonwoven lap of very fine continuous filaments, crimped or not, obtained by means of a controlled direct spinning process, with a weight between 5 g/m.sup.2 and 600 g/m.sup.2, and formed, after napping, of composite filaments separable in the direction of their length, characterized in that said composite filaments have a filament number between 0.3 dTex and 10 dTex and are formed, each, of at least three elementary filaments of at least two different materials and comprising between them at least one plane of separation or cleavage, each elementary filament having a filament number between 0.005 dTex and 2 dTex, the ratio between the cross-sectional area of each elementary filament and the total cross-sectional area of the unitary filament being between 0.5% and 90%.
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: October 26, 1999
    Assignee: Firma Carl Freudenberg
    Inventors: Robert Groten, Jean Baravian, Georges Riboulet
  • Ionic substance removing material for use in super-clean room and method of manufacturing the material
    Patent number: 5972812
    Abstract: An ionic substance removing material for use in a super-clean room and a method of manufacturing the material are disclosed. The material includes an ion exchanger capable of an ion exchange reaction.
    Type: Grant
    Filed: April 17, 1998
    Date of Patent: October 26, 1999
    Assignee: Noritsu Koki Co. Ltd
    Inventors: Kunihiro Sakata, Hiroshi Nonaka, Toshinori Suenaga, Shingo Tokunaga, Susumu Shuutoku, Goro Fujiwara, Mitsunobu Masuda, Shinji Hattori, Naoki Irie
  • Reinforced nonwoven metal fabric
    Patent number: 5972814
    Abstract: A reinforced nonwoven metal fabric is disclosed. A mass of loose metal fibers is processed through suitable textile apparatus to result in a metal fiber web, which is then lapped to form a multi-layered structure. This structure is then formed into a metal fabric via needle-punching. A suitable backing is then introduced during or after the needle-punch process, resulting in a reinforced nonwoven metal fabric having superior strength and durability.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: October 26, 1999
    Assignee: Global Material Technologies, Inc.
    Inventors: Kurt H. Schild, III, Terrence Kane, Alex Krupnik
  • Method for assembling an integrated circuit chip package having at least one semiconductor device
    Patent number: 5970319
    Abstract: The present invention generally relates to the field of integrated circuit chip packaging. More particularly, the present invention relates to methods of manufacturing integrated circuit chip packages, and methods for electrically connecting and bonding or attaching semiconductor devices to an integrated circuit chip.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: October 19, 1999
    Assignee: Gore Enterprise Holdings, Inc.
    Inventors: Donald R. Banks, Ronald G. Pofahl, Mark F. Sylvester, William G. Petefish, Paul J. Fischer
  • Nonwoven fabrics having liquid transport properties and processes for manufacturing the same
    Patent number: 5968855
    Abstract: A nonwoven fabric which is particularly useful as a liquid transport layer in an absorbent product. The fabric is formed of a mixture of fibers of varying sizes and polymer compositions, selected to provide the desired liquid transport properties to the fabric, and thermally bonded by calendering to form a coherent fabric structure.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: October 19, 1999
    Assignee: BBA Nonwovens Simpsonville, Inc.
    Inventors: Lee Edward Perdelwitz, Jr., Guy Stanley Zimmerman, Jr.
  • Shoe press belt and manufacturing method therefor
    Patent number: 5968318
    Abstract: A shoe press belt for the shoe press of a paper making machine includes first and second resin layers and a base layer. Resin is coated and cured on the polished surface of a cylindrical mandrel to form the first resin layer endlessly. An inner layer of the base layer is formed by spirally winding a relatively narrower belt shaped mesh with warp threads running in the major direction of the belt and weft threads running perpendicular thereto, with the weft threads against the outer surface of the first resin layer, and without overlapping the end edges of the belt-shaped mesh. An outer layer of the base layer is formed by inserting the mandrel, with the first resin layer and the belt-shaped mesh layer applied, into a tubular mesh, and pulling the ends of the tubular mesh apart, so as to reduce its diameter and press it radially against the belt-shaped mesh layer.
    Type: Grant
    Filed: June 15, 1998
    Date of Patent: October 19, 1999
    Assignee: Ichikawa Co., Ltd.
    Inventors: Yasuo Hasegawa, Kenji Inoue
  • Reusable mat for removing liquid contaminants
    Patent number: 5965030
    Abstract: This invention relates to a method for removing liquid contaminant from surfaces, especially for removing spilled oil from the surface of water. More particularly, this invention relates to a method for removing liquid contaminant from a surface by applying a mat which is a nonwoven fabric having a dried substantially continuous aqueous foam coating on at least one side of the nonwoven fabric, whereby the foam coating absorbs at least some of the liquid contaminant. This invention also relates to a reusable mat for removing liquid contaminants from surfaces and a method for reusing the mat.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: October 12, 1999
    Assignee: Rohm and Haas Company
    Inventors: Martin M. Williams, Rodney J. Trahan, Jr., Kenneth R. Rose
  • Coater belt and a coating station including such a coater belt
    Patent number: 5965208
    Abstract: A coater belt for carrying and supporting a web through a coating station on a paper or board machine, or an off-line coater, said belt comprising an endless base member and at least a first surface layer. Said surface layer is an impermeable coating comprising a first material and a particulate filler material. The filler material which are present in the web-contact surface provide a well-defined roughness on micro-scale of said web-contact surface. The web-contact surface further presents a well-defined surface energy for accomplishing an adhesion to the web for picking-up the web at an entrance side of the coating station and for holding the web against the coater belt during its path through the coating station.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: October 12, 1999
    Assignee: Albany International Corp.
    Inventors: Lars Fagerholm, Juha Tiilikka, Lawrence G. Miller, Jeanette Hansson
  • Process for the manufacture of a plastic web by coating
    Patent number: 5965198
    Abstract: Disclosed is a process for the manufacture, by coating, of a plastic web. A plastisol is deposited as a layer onto a flat support, to obtain a coating layer in the pasty state. Before the plastisol is gelled, powdering is performed by accelerating particles of plastic powder toward, the external surface of the coating layer. The powder includes particles of a thermoplastic material capable of at least partially being integrated into or dissolving in the plastisol. The particles are homogeneously incorporated in order to form a single matrix with the thermoplastic base material of the plastisol.
    Type: Grant
    Filed: April 21, 1997
    Date of Patent: October 12, 1999
    Assignee: Gerflor SA
    Inventors: Paul Plusquellec, Jacques Verhulst, Jean-Luc Perillon
  • Water-absorptive composite and process for producing the same
    Patent number: 5962068
    Abstract: There is provided a water-absorptive composite comprising a fibrous substrate bearing water-absorptive polymer particles. A process for producing the water-absorptive composite comprises the steps of: allowing an aqueous monomer solution containing a polymerizable monomer capable of providing a water-absorptive polymer to initiate polymerization by the use of a redox polymerization initiator; applying the resultant reaction mixture, which is in the course of polymerization, dropwise onto a fibrous substrate; and allowing the polymerization to proceed and finish on the substrate.
    Type: Grant
    Filed: August 6, 1998
    Date of Patent: October 5, 1999
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Hiroyoshi Tsuchiya, Masayuki Yamashita, Kiichi Itoh
  • Method of making a thermally stable acoustical insulation microfiber web
    Patent number: 5961904
    Abstract: There is provided a thermally stabilized polypropylene melt-blown microfiber acoustical insulation web which has a resistance to thermal degradation at a temperature of 135.degree. C. for at least 10 days. The polypropylene has a thermal stabilizer uniformly distributed within the melt-blown microfiber polymer which polymer when produced is subject to thermal and/or catalytic degradation in the absence of significant levels of thermal stabilizer or antioxidant.
    Type: Grant
    Filed: April 23, 1998
    Date of Patent: October 5, 1999
    Assignee: Minnesota Mining and Manufacturing Co.
    Inventors: Michael D. Swan, Ruth A. Ebbens
  • Gypsum wallboard and process of making same
    Patent number: 5962119
    Abstract: A process for continuously manufacturing gypsum board having a gypsum core and at least one fibrous cover sheet comprising: (A) applying a defoaming agent to the top surface of the fibrous sheet as it advances along a production line; (B) depositing a foamed gypsum slurry onto the treated surface of the sheet; and (C) forming the composite of the foamed gypsum slurry and fibrous sheet into a gypsum board having a strong bond between the gypsum core and the fibrous cover sheet. The gypsum core-to-fibrous facer bond is highly resistant to failure upon humidification.
    Type: Grant
    Filed: September 11, 1997
    Date of Patent: October 5, 1999
    Assignee: Celotex Corporation
    Inventor: Thomas C. Chan
  • Double-knitted fabric and moldings and mouse pads made thereof
    Patent number: 5962349
    Abstract: A double-knitted fabric comprising a face cloth and a back cloth which are joined together by a tie yarn, wherein the tie yarn contains not less than 20% by weight of a heat-bonding yarn and the back cloth contains not less than 20% by weight of a heat-bonding yarn, a molded article made thereof and a mouse pad made thereof.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: October 5, 1999
    Assignee: Kanebo, Ltd.
    Inventors: Yoshikatsu Mizukami, Toshihide Tomikawa