Fire Or Heat Protection Feature Patents (Class 428/920)

Cross-Reference Art Collections

Fire or flameproofing (Class 428/921)
  • Patent number: 5486408
    Abstract: An improved method of forming a laminated, fire resistant flexible sheet material, and the resulting laminate product are disclosed. The method comprises directing a second web of flexible material to overlie a first web of a flexible material in which the face of the first web is coated with an admixture of a substantially solvent-free adhesive and a fire retardant composition so that the adhesive in the admixture joins the webs together to form a fire retardant flexible laminate construction.
    Type: Grant
    Filed: September 22, 1994
    Date of Patent: January 23, 1996
    Assignee: Rexam Industries Corp.
    Inventor: Joseph S. Sentendrey
  • Patent number: 5480587
    Abstract: A method of modifying an inorganic material which evolves gases and/or vapors at a temperature which is detrimental to the processing temperature of polymer or paper systems so that the modified material can be used as a fire retardant additive with that polymer or paper system. The method comprises the steps of: (1) providing a first material; (2) treating the first material to remove the portion which evolves gas which is detrimental to the processing of the polymer or paper system; and (3) combining a second material with the first material to create a modified material which does not evolve gas at a temperature which is detrimental to the processing of the paper or polymer system.
    Type: Grant
    Filed: December 21, 1988
    Date of Patent: January 2, 1996
    Assignee: Aluminum Company of America
    Inventors: Lawrence L. Musselman, Howard L. Greene
  • Patent number: 5480706
    Abstract: This invention relates to a fire resistant multilayer complex ballistic resistant article comprising at least one first layer comprised a plurality of flammable fibers a first matrix and at least one second layer which is adjacent to said first layer which comprises a plurality of fire resistant fibers in a second matrix, wherein the second matrix comprises a fire retardant material and is different from the first matrix material.
    Type: Grant
    Filed: June 16, 1994
    Date of Patent: January 2, 1996
    Assignee: AlliedSignal Inc.
    Inventors: Hsin L. Li, Young D. Kwon, Dusan C. Prevorsek
  • Patent number: 5477572
    Abstract: A seat cushion comprises a supporting body of an open-celled, resilient foamed plastic material, an outer flame-resistant covering material encasing at least portions of the seat cushion, and a flame-resistant protective layer encasing the supporting body and connected thereto, the protective layer underlying the covering material and consisting of machine-knitted, multi-layered material. This protective layer material comprises warp threads arranged in two superposed planes and spaced apart a predetermined distance, the warp threads in an upper one of the planes being staggered in a woof direction by half the predetermined distance from the warp threads in a lower one of the planes, and the warp threads extending in a longitudinal direction, and a group of eight weft threads adjacent each other in the longitudinal direction.
    Type: Grant
    Filed: October 5, 1993
    Date of Patent: December 26, 1995
    Assignee: C.A. Greiner & Sohne Gesellschaft m.b.H.
    Inventors: Rudolf Weingartner, Johann Moseneder
  • Patent number: 5472776
    Abstract: Glass fibers are coated with an asphalt emulsion wherein the coating is catalyzed with a Friedel-Craft catalyst. The preferred catalyst is ferric chloride. The coated glass fibers are especially useful as thermal insulation.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: December 5, 1995
    Assignee: Owens-Corning Fiberglas Technology Inc.
    Inventors: Kevin P. Gallagher, Donn R. Vermilion
  • Patent number: 5468545
    Abstract: Flame-retardant treated cotton/thermoplastic fiber blend fabrics have been discovered which have extended wear life and retain their flame-retardant treatment for the life of the garment.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: November 21, 1995
    Inventors: George R. Fleming, James R. Green
  • Patent number: 5468537
    Abstract: Heat flow through a protective garment is reduced if the shell is a woven fabric extends laterally and expands away from the wearer upon exposure to a high heat flux.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: November 21, 1995
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Gary G. Brown, Hamid M. Ghorashi, Donald E. Shaffer
  • Patent number: 5462805
    Abstract: In a fire-protection and safety glass panel having a transparent appearance and dual functions as a fire protection glass for shutting out flame and smoke for a long period of time upon occurrence of fire and as a safety glass which is neither shattered into pieces and nor forms any through hole if it is broken in an ordinary life, a PET (polyethylene terephthalate) film (12) is arranged between a first glass plate (10) and a second glass plate (11). The first and the second glass plates (10 and 11) and the PET film (12) are adhered through transparent acrylic adhesive agent layers (13 and 14), respectively. An intermediate resin layer comprises the PET film (12) and the adhesive agent layers (13 and 14) and has a thickness between 75 and 200 .mu.m.
    Type: Grant
    Filed: July 29, 1993
    Date of Patent: October 31, 1995
    Assignee: Nippon Electric Glass Co., Ltd.
    Inventors: Akihiko Sakamoto, Tadashi Takahashi, Masayuki Ninomiya
  • Patent number: 5462699
    Abstract: The present invention relates to a fire retardant composition that is applied to materials such as building materials and corrugated board materials.The invention also relates to a method of making a fire retardant composition, and the use thereof for producing fire retardant materials, including insulating roofing materials, such as expanded polystyrene roofing.
    Type: Grant
    Filed: January 21, 1994
    Date of Patent: October 31, 1995
    Assignee: Fireblock International, Inc.
    Inventor: Robert L. Montgomery
  • Patent number: 5460864
    Abstract: A composite sandwich panel structure having first and second honeycomb core layers and fire barrier membranes separating the honeycomb core layers as well as forming facing skins provides protection from burn-through after 15 minutes of subjection to a 2000.degree. F. front side flame impingement at 10.5 btu/m.sup.2 heat flux density, with a 110.degree. F. average off-surface temperature 12" off of the backside of the panel. The facing skins on the outside of the honeycomb core layers are preferably formed by a layer of vermiculite film together with a layer phenolic prepreg. The center septum layer separating the first and second honeycomb core layers can be an inorganic fiber membrane, with a layer of phenolic prepreg on both sides thereof, and/or a layer of vermiculite film or other suitable materials providing a fire barrier.
    Type: Grant
    Filed: May 7, 1993
    Date of Patent: October 24, 1995
    Assignee: Ciba-Geigy Corporation
    Inventor: Richard Heitkamp
  • Patent number: 5458966
    Abstract: Thermoplastic resin sheets, particularly in the form of fiber-reinforced composites, have adherent cap layers, at least one of which comprises an intumescent polydiorganosiloxane-containing barrier material which forms upon ignition a thermally stable foamed char layer. Such articles have improved fire resistance in comparison with similar articles having no cap layer or non-intumescent cap layers.
    Type: Grant
    Filed: May 16, 1994
    Date of Patent: October 17, 1995
    Assignee: General Electric Company
    Inventors: Dean S. Matsumoto, David G. Hawron, Margaret L. Blohm
  • Patent number: 5447787
    Abstract: A reinforced fabric composed of a background fabric and a reinforcing grid that is joined to the background fabric so that the grid reinforced fabric is at least 20% stronger than a fabric into which reinforcing yarns of the same type and weight percent as that of the grid have been integrally woven.
    Type: Grant
    Filed: January 30, 1995
    Date of Patent: September 5, 1995
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Donald E. Shaffer
  • Patent number: 5445754
    Abstract: A water-based latex paint is provided which has, among other things, a perlitic component. The paint resists thermal loading and loss. A series addition of components provides the paint efficiently. The paint is useful for many substrates, including metals.
    Type: Grant
    Filed: March 28, 1994
    Date of Patent: August 29, 1995
    Assignee: P.S.A.M.S., Inc.
    Inventor: Neil R. Nelson
  • Patent number: 5437902
    Abstract: A fire-resistant glass comprising:(a) at least two plate-shaped vitreous materials arranged parallel and apart, the sides of the plate-shaped vitreous materials facing each other being treated with a silane coupling agent,(b) a spacer provided between the plate-shaped vitreous materials at their peripheries via an adhesive,(c) a sealing agent adhered to the outer surface of the spacer, and(d) an aqueous gel filled into the space formed by the plate-shaped vitreous materials and the spacer, the aqueous gel comprising a poller of a particular (meth)acrylamide derivative, a particulate metal oxide, an aqueous medium and an antifreezing agent.This fire-resistant glass has an excellent fire-resistant property, is stable over a long period of time and is unsusceptible to deterioration.
    Type: Grant
    Filed: September 30, 1993
    Date of Patent: August 1, 1995
    Assignees: Mitsui Toatsu Chemicals, Incorporated, Central Glass Company, Limited
    Inventors: Hiroshi Itoh, Takashi Abe, Hitoshi Yamashita, Toshihiro Yoshimura, Takeshi Hisanaga, Takao Takebayashi, Kunio Nakata, Chikara Hashimoto
  • Patent number: 5434006
    Abstract: A glazing panel which is transparent and fire-resistant, including at least one vitreous structural ply including at least one rough-faced ply composed of vitreous material having a mean coefficient of linear thermal expansion over a temperature range of 20.degree. C. to 300.degree. C. which is not greater than 7.5.times.10.sup.-6 K.sup.-1 and having a rough face for which roughness, R.sub.tm, is not less than 0.1 .mu.m; and at least one layer of intumescent material directly bonded to and in contact with the rough face of the at least one rough-faced ply.
    Type: Grant
    Filed: April 25, 1994
    Date of Patent: July 18, 1995
    Assignees: Glaverbel, Schott Glaswerke
    Inventors: Pierre Goelff, Robert Vanderstukken, Roland Leroux, Thomas M. Karschti, Jurgen Thurk
  • Patent number: 5431990
    Abstract: A semi-rigid, light weight insulation blanket is composed of a skeleton having porous cavities sandwiched between layers of fiber glass. The polyimide foam skeleton prevents sagging particularly in crown and upper sidewall areas of an aircraft thereby maintaining a predetermined offset from the skin fuselage reducing corrosion of the primary structure from moisture condensate. This configuration provides similar acoustic performance with reduced weight.
    Type: Grant
    Filed: April 6, 1994
    Date of Patent: July 11, 1995
    Assignee: The Boeing Company
    Inventors: Barbara L. Haynes, Susana S. Ng, Paul M. Serati, Oktay Yesil, Eugene A. Jackson, Samuel M. Lawrence
  • Patent number: 5424105
    Abstract: A apparatus and method for effecting repair to damaged, nonstressed aircraft structure is described. A sheet of material comprised of woven glass cloth impregnated with a resin cured under temperature and pressure forms the basic patch. One side of the patch has a Tedlar.RTM. overlay attached to the sheet face in the preferred embodiment. This patch material meets the Federal Aviation Regulations (FAR 25.855) which is required to provide for fire resistant material on transport aircraft. A pressure sensitive film is bonded to the side opposite the Tedlar.RTM. overlay. This combination of glass sheet and pressure sensitive film is pressure bonded to the damaged structure and further held in place by mechanical fasteners which can withstand a temperature of at least 1,700 degrees Fahrenheit.One of the primary applications of this invention is in the cargo liner repair of transport aircraft.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: June 13, 1995
    Inventor: Michael D. Stewart
  • Patent number: 5422170
    Abstract: Wood fiber, inorganic cellular material, flame retardant and an organic binder for binding these materials, are mixed together and hot press formed to give a wood based panel. The resultant panel has a wood like texture, is light weight, has excellent sound absorption properties, and is semi-incombustible, and has a good insulating property for use as a wall or ceiling material.
    Type: Grant
    Filed: March 31, 1993
    Date of Patent: June 6, 1995
    Assignee: Yamaha Corporation
    Inventors: Ritsuo Iwata, Hirotoshi Takahashi, Satoshi Suzuki, Shiro Hanao
  • Patent number: 5418050
    Abstract: The present invention is a fire/heat barrier laminate comprising a light weight glass scrim impregnated with a layered mineral which scrim is laminated to one or both sides of an impact structural layer made of an aromatic polyamide fiber.
    Type: Grant
    Filed: May 3, 1993
    Date of Patent: May 23, 1995
    Assignee: ICI Composites Inc.
    Inventors: Kenneth M. Keefover-Ring, George T. Geisendorfer, Hugh A. Yap
  • Patent number: 5418031
    Abstract: Batt style insulation comprised of cellulosic and thermoplastic material and a method of making such insulation. A blend of cellulosic material and thermoplastic fibrous material, wherein the latter comprises between 3%-15% of the blend by weight, is formed by a method such as air-laying into a low density, high loft mat. The surface of the mat is flame-treated to melt the thermoplastic component on the surface, forming a skin which keeps the cellulosic component intact. The thermoplastic component in the interior of the mat remains unmelted, thereby providing the mat with a spring-back characteristic which allows the mat to retain most of its original shape and loft even after it has been compressed for shipping. A facing sheet can be applied to the surface of the mat, as is done with conventional fiberglass batt-style insulation.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: May 23, 1995
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventor: Brent W. English
  • Patent number: 5418054
    Abstract: A waterproof and breathable flame-retardant laminate of two layers of porous expanded polytetrafluoroethylene laminated together by a flame-retardant adhesive layer of poly(urea-urethane) polymer containing phosphorus ester groups built into the chains of the polymer. The flame-retardant components do not wash out of the adhesive and laminate under repeated laundering or dry cleaning.
    Type: Grant
    Filed: March 16, 1993
    Date of Patent: May 23, 1995
    Assignee: W. L. Gore & Associates, Inc.
    Inventor: Kwok K. Sun
  • Patent number: 5407739
    Abstract: An ignition resistant fibrous material for use as insulation. The material comprises a multiplicity of meltblown or spunbonded thermoplastic filaments in combination with a multiplicity of nonlinear, nongraphitic carbonaceous fibers. The carbonaceous fibers have a Young's modulus of greater than 300,000 psi and reversible deflection ratio of greater than 1.2:1.
    Type: Grant
    Filed: July 28, 1993
    Date of Patent: April 18, 1995
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Bhuvenesh C. Goswami, Robert T. Patton
  • Patent number: 5405661
    Abstract: A structural panel for a vehicle or building contains a substrate and a layer of flame resistant polybenzazole polymer. If the substrate is heat resistant, the panel can serve as a fire barrier. If the substrate is not heat resistant, the polybenzazole layer can still serve to delay ignition and contain any volatile gases and molten polymer that forms when the panel is subjected to heat.
    Type: Grant
    Filed: August 14, 1992
    Date of Patent: April 11, 1995
    Assignee: The Dow Chemical Company
    Inventors: Peter K. Kim, Peter E. Pierini, Ritchie A. Wessling
  • Patent number: 5402615
    Abstract: A flexible barrier for preventing the spread of fire through areas of a building includes a layer of inorganic fibrous material sandwiched between two panels of material having sufficiently high thermal conductivity to diffuse and dissipate heat without burning when exposed to a flame. The panels and blanket are joined together with a filament having sufficiently high tensile strength and resistance to heat to maintain the panels and layers in laminar relation. Plural barrier sections may be attached together with the filament at a factory or at the installation The laminar panel and blanket combination is lightweight, easily cut and installed, and advantageously retards the passage of heat when placed across an opening.
    Type: Grant
    Filed: November 13, 1992
    Date of Patent: April 4, 1995
    Assignee: International Copper Association, Ltd.
    Inventors: B. R. Knott, G. P. Yiasemides
  • Patent number: 5402852
    Abstract: A product useful in extinguishing fires and preventing explosions has a continuous sheet of metal foil having discontinuous slits arranged in a specified way, and in particular embodiments comprises magnesium alloys which may be coated with an oleate or an alkaline bichromate.
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: April 4, 1995
    Assignee: Shaikh G. M. Y. Alhamad
    Inventors: Shaikh G. M. Y. Alhamad, Sami I. Altikan
  • Patent number: 5401588
    Abstract: The novel composition of the present invention comprises a paper-like sheet material or a non-woven mat which contains water-insoluble gypsum anhydrite microfibers and a cellulosic binder, such as cellulose fibers, optionally with glass fibers, which has surprising fire-retardant properties. Typical paper processing methods or wet process mat techniques are utilized in preparing this material. The flexible gypsum microfiber sheet or mat of this invention may be used as microfiber insulation, particularly in a fire retardant barrier.
    Type: Grant
    Filed: December 21, 1993
    Date of Patent: March 28, 1995
    Assignee: Georgia-Pacific Resins Inc.
    Inventors: Chad E. Garvey, David A. Hutchings, Ted McC. McVay, Richard F. Pennock
  • Patent number: 5399423
    Abstract: An ignition resistant fibrous material for use as insulation. The material comprises a multiplicity of meltblown or spunbonded thermoplastic filaments in combination with a multiplicity of nonlinear, nongraphitic carbonaceous fibers. The carbonaceous fibers have a Young's modulus of greater than 300,000 psi and reversible deflection ratio that is equal to or less than 1.2:1.
    Type: Grant
    Filed: July 28, 1993
    Date of Patent: March 21, 1995
    Assignee: The Dow Chemical Company
    Inventors: Francis P. McCullough, Bhuvenesh C. Goswami, Robert T. Patton
  • Patent number: 5399298
    Abstract: An optical filter comprises a multilayer coating adherent to a substrate, the coating comprising at least four superimposed layer collections. Each layer collection has ordered first, second and third layers of which the first and third layers are made of a first material and are 0.6 quarter wavelengths thick whereas the second layer is made of a second material and is 6.8 quarter wavelengths thick. One of these materials has a high refractive index in the range 1.9 to 2.5 whilst the other of these materials has a low refractive index in the range 1.3 to 1.7. The preferred high index material is zinc sulphide and the preferred low index material is thorium fluoride.The optical filter is generally transmissive except in a number of narrow waveband regions which include respective known laser wavelengths.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: March 21, 1995
    Assignee: Barr & Stroud, Ltd.
    Inventors: Christopher J. Kelly, Michael A. Biagi, Brian C. Monachan
  • Patent number: 5393595
    Abstract: A fabric suitable for use as a firebreak is knitted from a yarn formed from a first synthetic material having high mechanical strength and high reflectivity and a second non-flammable, thermally stabilized synthetic material having a high reflectivity. Preferably the first synthetic material is an aramide filament, and preferably the second synthetic material is a pre-oxidized filament. Preferably the fibers are cracked whereby they exhibit highly reflective surfaces especially useful in the reflection of heat produced by a fire.
    Type: Grant
    Filed: September 24, 1991
    Date of Patent: February 28, 1995
    Assignee: Didier Royaerts
    Inventors: Joseph Rousset, deceased, Felix G. Rousset, legal representative, Didier Royaerts
  • Patent number: 5389435
    Abstract: The present invention is a flame retardant composite material comprising a laminate of (A) a glass scrim coated with an inorganic filler and an epoxy resin and (B) a structural composite of graphite fibers and an epoxy resin.
    Type: Grant
    Filed: May 20, 1993
    Date of Patent: February 14, 1995
    Assignee: ICI Composites Inc.
    Inventor: Hugh A. Yap
  • Patent number: 5384188
    Abstract: A flexible, resilient, intumescent mat material comprising fiber, binder, and an intumescent agent which includes a mixture of unexpanded vermiculite and expandable graphite undergoes intumescence at a lower temperature, with an enhanced degree of expansion and with a lesser degree of contraction upon prolonged heating. The intumescent mat can be employed in catalytic converters for motor vehicles and as a firestop material.
    Type: Grant
    Filed: November 17, 1992
    Date of Patent: January 24, 1995
    Assignee: The Carborundum Company
    Inventors: Alan R. Lebold, John D. Ten Eyck
  • Patent number: 5379555
    Abstract: In accordance with the invention, the device is provided for constructing a temporary cover for a drain opening surrounded by a framing surface of horizontal, curved or irregular shape, comprising M sheets of flame and/or chemical resistant materials in broad surface contact defining coextensive top and bottom surfaces, said top and bottom surfaces each including a smooth, non-quilted central section and an outer edge section in integral contact with said central section, said outer edge sections together defining a series of undulations therebetween, weighted chain means inserted within said series of undulations so as to add loft and weight as a function of radial extent whereby sealing pressure of said bottom surface relative to an associated horizontal, slightly curved or irregular attaching surface is surprising strong. Method steps related to use and manufacture are also recited.
    Type: Grant
    Filed: August 4, 1992
    Date of Patent: January 10, 1995
    Inventors: Stephen F. Strieb, Gerald W. McCall
  • Patent number: 5380580
    Abstract: The present invention relates to a flexible nonwoven mat comprising physically entangled shot-free ceramic oxide fibers. The flexible nonwoven mat is useful, for example, as filter material, mounting mat, thermal insulation, and sound insulation.
    Type: Grant
    Filed: January 3, 1994
    Date of Patent: January 10, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: John J. Rogers, John L. Erickson, Stephen M. Sanocki
  • Patent number: 5378530
    Abstract: A device for protection against fire (G3), comprising a flexible body (A3) of material with endothermic properties, comprising a filler releasing vapor under the effect of fire.According to the invention this device comprises, on at least that face of said body intended to be directed towards the fire, at least one layer (E3) of a fabric consisting of fire-resistant fibers and impregnated with an intumescent agent.
    Type: Grant
    Filed: June 16, 1993
    Date of Patent: January 3, 1995
    Assignee: Societe Anonyme dite: Aerospatiale Societe Nationale Industrielle
    Inventors: Guy Metivaud, Jean-Claude Decidour, Michel Vignollet
  • Patent number: 5376425
    Abstract: A contact member for controlling an electrostatic state of a surface of a chargeable member includes electrically conductive base members, and flame retardant material included in the base members.
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: December 27, 1994
    Assignees: Minolta Camera Kabushiki Kaisha, Toeisangyo Co., Ltd.
    Inventors: Masaki Asano, Shuji Iino, Akihito Ikegawa, Izumi Osawa, Kenzo Tanaka
  • Patent number: 5376424
    Abstract: A thermal insulating material is packed in a sealing bag composed of an obverse face material and a reverse face material, wherein each of the obverse face material and reverse face material is preferably made of a metal foil having a thickness in the range of 3 to 50 micrometers and which is sandwiched by a sealant layer of plastic film adhesively affixed to one side thereof and by a surface layer of plastic film adhesively affixed to the other side thereof (hereinafter termed a metal foil composite plastic film), and then a similarly constructed metal foil composite plastic film, or preferably one having a number of holes therein, is stuck on the outer surface or inner surface of the obverse face material, to thus obtain a vacuum thermal insulating panel. The vacuum thermal insulating panel thus obtained can prevent permeation of gas from the outside, reflect heat, and prevent heat conduction along the outer surface.
    Type: Grant
    Filed: October 1, 1992
    Date of Patent: December 27, 1994
    Assignee: Fujimori Kogyo Co., Ltd.
    Inventor: Hiroshi Watanabe
  • Patent number: 5372846
    Abstract: A product and process by which heat from hyperthermal sources is blocked by compositions including coordination complexes. The compositions provide a sustained, uniform, and controlled method of heat blockage in an artificial boundary layer or heat exchange matrix. When the compositions are incorporated in a coating composition, the rate of discharge of the coating medium is continuous, gradual, and controlled to the desired rate level for a given thermal environment.
    Type: Grant
    Filed: May 5, 1993
    Date of Patent: December 13, 1994
    Assignee: Nu-Chem, Inc.
    Inventors: Rubin Feldman, Sina Ghatan
  • Patent number: 5364689
    Abstract: A method and an apparatus for producing a product having a magnetically formed pattern, capable of forming any desired pattern in diversely different shapes with a clear visual recognizability, at high speed, by a simple procedure, and a painted product produced by these method and apparatus. The product is produced by forming a paint layer from a paint medium mixed with magnetic non-spherical particles, and applying a magnetic field containing the lines of magnetic field in a shape corresponding to the desired pattern to be formed.
    Type: Grant
    Filed: October 21, 1992
    Date of Patent: November 15, 1994
    Assignee: Hashimoto Forming Industry Co., Ltd.
    Inventors: Takeshi Kashiwagi, Tutsuya Tamura
  • Patent number: 5362572
    Abstract: Disclosed is a two-layer thermoplastic elastomer sheet comprising a skin layer [I] and a reverse surface layer [II], each layer being composed of a thermoplastic elastomer containing a polyolefin resin (A) and an .alpha.-olefin copolymer rubber (B), wherein a difference [(I.sub.B)-(II.sub.B)] between the amount (I.sub.B) of the .alpha.-olefin copolymer rubber (B) contained in the thermoplastic elastomer of the skin layer (I) and the amount (II.sub.B) of the .alpha.-olefin copolymer rubber (B) contained in the thermoplastic elastomer of the reverse surface layer (II) is in the range of 5 to 85 parts by weight. The two-layer thermoplastic elastomer sheet of the invention is excellent in vacuum forming properties and can provide molded products excellent in the soft touch and having appearance of softness, appearance of flexibility and appearance of warmth. The sheet of the invention can be widely used for interior automotive trim such as an instrument panel.
    Type: Grant
    Filed: February 19, 1993
    Date of Patent: November 8, 1994
    Assignee: Mitsui Petrochemical Industries, ltd.
    Inventors: Shunichi Hamada, Katsuyoshi Yonekura
  • Patent number: 5356700
    Abstract: A fiber fabric useful for flame-resistant garment is composed of yarns comprising a blend of 65 to 95% by weight of an aromatic polyamide fiber-containing fiber component with 5 to 40% by weight of a polyester fiber component; the aromatic polyamide fiber-containing fiber component comprising 50 to 100% by weight of aromatic polyamide fibers and 0 to 50% by weight of cellulose fibers and the fiber fabric having a limiting oxygen index of 26 or more.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: October 18, 1994
    Assignee: Teijin Limited
    Inventors: Makoto Tanaka, Genji Nakayama, Noboru Takimoto, Koichi Hosoyama
  • Patent number: 5352312
    Abstract: Rocket motor insulation compositions are provided. An important component of such insulation compositions is a thermoplastic liquid crystal polymer. Such a polymer provides an ablative insulation which has good performance characteristics during operation of the rocket motor. One such thermoplastic liquid crystal polymer is a wholly aromatic polyester known as VECTRA.RTM.. The insulation may also include fillers such as fibrous fillers and particulate fillers. Typical fibrous fillers include glass or carbon fibers. Typical particulate fillers include materials such as silica, alumina, powdered coal, and the like.
    Type: Grant
    Filed: August 6, 1992
    Date of Patent: October 4, 1994
    Assignee: Thiokol Corporation
    Inventor: David G. Guillot
  • Patent number: 5352390
    Abstract: Fireproofing compositions are provided. The compositions comprise a hydratable cementitious binder and polystyrene aggregate falling within particular particle size distribution limits. The compositions can also include an air entraining agent and a fibrous material. On addition of water, the compositions form settable, sprayable slurries which can be pumped to the point of application. The slurries are capable of spray application to steel structural members and adhere to the member in the slurried state and after setting. Excellent fire and heat protection is provided to the member despite the organic nature of the polystyrene aggregate.
    Type: Grant
    Filed: March 11, 1993
    Date of Patent: October 4, 1994
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Dennis M. Hilton, Paul E. Korenberg
  • Patent number: 5348789
    Abstract: A camouflage net made from a flame-retardant material includes a support material of polyester fibers in a perforated structure, which is provided with a coating of a flame-retardant polymer, that in turn is coated with infrared camouflage paint. The support material is a knitted fabric of polyester fibers into which metal fibers are inserted.
    Type: Grant
    Filed: July 11, 1991
    Date of Patent: September 20, 1994
    Assignee: C. F. Ploucquet GmbH & Co.
    Inventor: Manfred Hellwig
  • Patent number: 5344697
    Abstract: Fire-retardant barriers are described which are useful for protecting military personnel and equipment from both fire and chemical and/or biological agents. The fire-retardant barriers are multilayered structures having desirable flammability characteristics and resistance to chemical and/or biological agents. The preferred barriers also possess favorable durability properties and are printable.
    Type: Grant
    Filed: November 30, 1990
    Date of Patent: September 6, 1994
    Inventor: John C. Romanowski
  • Patent number: 5340558
    Abstract: A vermiculite composition capable of exhibiting a high degree of volume increase upon subjection to thermal exfoliation composed of vermiculite mineralogical species having specific gravity of from 2.5 g/cm.sup.3 to 2.9 g/cm.sup.3. Further, intumescent sheets formed with said vermiculite composition exhibit low initial expansion temperature and very high maximum expansion properties.
    Type: Grant
    Filed: June 14, 1993
    Date of Patent: August 23, 1994
    Assignee: W.R. Grace & Co.-Conn.
    Inventors: Semyon D. Friedman, Robert W. McKinney, Chia-Chih Ou, Robert M. Spotnitz, Shaohai Wu
  • Patent number: 5340643
    Abstract: Intumescent sheets are having improved expansion characteristics are disclosed. The intumescent sheets comprise an inorganic fibrous material, a binder, and a heat expandable layer mineral composition containing at least 87.5% by weight of heat expandable interstratified layer minerals comprising interstratified layers of vermiculite and biotite.
    Type: Grant
    Filed: February 26, 1993
    Date of Patent: August 23, 1994
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Chia-Chih Ou, Leon Bablouzian
  • Patent number: 5338349
    Abstract: A fire resistant and high temperature insulating composition is provided. The composition generally comprises a carbonate material in an amount from about 20% to about 80% by weight, an aluminosilicate in amount from about 0.5% to about 15% by weight, talc in amount from about 0.5% to about 10% by weight, cellulose in amount from about 1% to about 30% by weight, a binder in an amount from about 1% to about 45% by weight, and a gelling agent in an amount from about 1% to about 45% by weight. The binder is preferably a mixture of an organic adhesive such as a polymeric resin, and a non-organic adhesive such as cement, but other adhesives can be used alone or in combination therewith. The gelling agent is preferably a polymeric substance that swells in the presence of a liquid such as superabsorbent polymers. The components are combined and water may be added in an amount from about 1 to about 50% by weight to obtain a composition of the desired consistency.
    Type: Grant
    Filed: May 24, 1993
    Date of Patent: August 16, 1994
    Assignee: FireComp, Inc.
    Inventor: Randolph C. Farrar
  • Patent number: 5336557
    Abstract: The disclosed carbon fiber felting material has a bulk density of 0.01 to 0.5 g/cm.sup.3 and a thermal conductivity of at most 1.0 kcal/m.multidot.hr.multidot..degree.C. in the thickness-wise direction thereof at 2,200.degree. C. The carbon fiber felting material is formed through physical and/or chemical interfiber entanglement. The carbon fiber felting material is very stable in an inert atmosphere, and excellent in heat insulating properties in a high-temperature range and against radiant heat transfer in particular.
    Type: Grant
    Filed: August 22, 1991
    Date of Patent: August 9, 1994
    Assignee: Petoca Ltd.
    Inventors: Akio Takamatsu, Yoshiyuki Nishimura
  • Patent number: 5336542
    Abstract: A thermal insulating layer for machine-like components includes several flat elements, mats or insulating cushions arranged to abut one another on the outside of the component. The individual elements abut each other with lateral front faces that are essentially perpendicular to the surface of the component thereunder. Both front faces of each pair of abutting front faces have at least one mutually complimentary shoulder.
    Type: Grant
    Filed: March 12, 1993
    Date of Patent: August 9, 1994
    Assignee: Isolfeu AG
    Inventor: Anton Wirth
  • Patent number: RE34880
    Abstract: Compositions containing crystalline, straight chain, alkyl hydrocarbons as phase change materials including cementitious compositions containing the alkyl hydrocarbons neat or in pellets or granules formed by incorporating the alkyl hydrocarbons in polymers or rubbers; and polymeric or elastomeric compositions containing alkyl hydrocarbons.
    Type: Grant
    Filed: January 8, 1991
    Date of Patent: March 21, 1995
    Assignee: The University of Dayton
    Inventor: Ival O. Salyer