Irreversibly Reactive Component Patents (Class 52/232)
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Patent number: 6530187Abstract: A seal structure for sealing between a through hole and a conduit located in the through hole. The seal structure includes a conduit located in the through hole and a foaming material. A wire is inserted in the conduit. The foaming material is located between the outer surface of the conduit and the inner surface of the through hole. The foaming material expands when heated and seals the space between the outer surface of the conduit and the inner surface of the through hole. Both ends of the conduit are sealed with a fireproof material between the inner surface of the conduit and the outer surface of the wire.Type: GrantFiled: April 2, 1999Date of Patent: March 11, 2003Assignee: Mirai Industry Co., Ltd.Inventor: Shohachi Shimizu
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Publication number: 20020178664Abstract: An adjustable support rack for supporting firestop material in a through-penetration includes a frame sized to fit within the through-penetration, at least one adjustable support member movably connected with the frame for supporting the firestop material, and an adjustable mounting mechanism connected with the frame for securing the frame within the through-penetration. A method of fire stopping the through-penetration using the adjustable support rack is also described.Type: ApplicationFiled: June 1, 2001Publication date: December 5, 2002Applicant: 3M Innovative Properties CompanyInventor: Michael G. Dykhoff
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Patent number: 6477813Abstract: A fire protection sleeve (1) for a pipeline (4), which extends through an opening (2) in a wall (3), is surrounded circumferentially at least partly by intumescing material (10) contained in a fire-resistant folded fabric tube (5). The fabric tube (5) forms several circumferential, unilateral inner folds (6) and the folds (6) are sewn in each case with a yarn (8), to an opposite side of the tube, and the yarn melts or burns in the event of a fire.Type: GrantFiled: August 13, 2001Date of Patent: November 12, 2002Assignee: Hilti AktiengesellschaftInventor: Arndt Andresen
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Patent number: 6470635Abstract: A firestop coupling assembly (10, 210 or 310) for allowing the passage of utility members (50 or 52) through a hole in a partition (54 or 56) while preventing the transmission of fire and smoke through the hole. The coupling assembly including a coupling (12, 212 or 312) and a firestop extension (16, 216 or 316). The firestop extension has a housing (18, 218 or 318) with an inner passageway (22, 222 or 322). Intumescent material (28, 228 or 328) is mounted in the inner passageway of the housing. The firestop extension is mounted on the coupling such that the intumescent material extends downward beyond a second end (12B, 212B or 312B) of the coupling. When the coupling assembly is exposed to heat, the intumescent material expands into the inner passageway of the housing of the firestop extension and blocks the second end of the coupling which prevents the transmission of smoke and fire through the coupling assembly.Type: GrantFiled: November 27, 2001Date of Patent: October 29, 2002Inventor: Kenneth R. Cornwall
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Publication number: 20020124497Abstract: A fire resistant door edge construction composed of an incombustible door stile including an intumescent seal intimately fixed in a groove in the stile, over a rigid strip of high density material located in the base of the groove for anchoring hinge screws.Type: ApplicationFiled: March 12, 2001Publication date: September 12, 2002Inventors: Andre Fortin, Leo F. Juhl
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Patent number: 6434899Abstract: A fire resistant door edge construction composed of an incombustible door stile including an intumescent seal intimately fixed in a groove in the stile, over a rigid strip of high density material located in the base of the groove for anchoring hinge screws.Type: GrantFiled: March 12, 2001Date of Patent: August 20, 2002Assignee: Skamol A/SInventors: Andre Fortin, Leo F. Juhl
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Patent number: 6405502Abstract: A firestop coupling assembly for allowing the passage of utility members through a hole in a partition while preventing the transmission of fire and smoke through the hole. The coupling assembly includes a coupling and a firestop extension. The firestop extension has a housing with an inner passageway. Intumescent material is mounted in the inner passageway of the housing. The firestop extension is mounted on the coupling such that the intumescent material extends downward beyond a second end of the coupling. When the coupling assembly is exposed to heat, the intumescent material expands into the inner passageway of the housing of the firestop extension and blocks the second end of the housing of the coupling which prevents the transmission of smoke and fire through the coupling assembly.Type: GrantFiled: May 18, 2000Date of Patent: June 18, 2002Inventor: Kenneth R. Cornwall
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Publication number: 20020056242Abstract: A fire protection sleeve (1) for a pipeline (4), which extends through an opening (2) in a wall (3), is surrounded circumferentially at least partly by intumescing material (10) contained in a fire-resistant folded fabric tube (5). The fabric tube (5) forms several circumferential, unilateral inner folds (6) and the folds (6) are sewn in each case with a yarn (8), to an opposite side of the tube, and the yarn melts or burns in the event of a fire.Type: ApplicationFiled: August 13, 2001Publication date: May 16, 2002Inventor: Arndt Andresen
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Patent number: 6381917Abstract: A lift door panel which, apart from a good sound and vibration damping with a high degree of rigidity, is producible to be largely distortion-free, wherein a warping in the case of fire and under high heat effect is reduced or avoided. The door panel has a front and back wall which are connected together by a first connection which is releasable under the action of heat and has at least a second heat-resistant connection.Type: GrantFiled: September 7, 2000Date of Patent: May 7, 2002Assignee: Inventio AGInventors: Frank Thielow, Harald Feistenauer
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Publication number: 20020043034Abstract: A fire-resistant wall (2) has a window consisting of a fire window (1). The fire window (1) is a monolithic or laminated pane of prestressed glass with the properties of a safety glass. At its end faces (4), it is immediately contiguous with the face of the reveal (3) of the adjacent construction wall part, with the formation of a narrow joint. It is supported by supporting arms (15), via fasteners (7) which are introduced into holes (6) in the pane (1). The fasteners (7) are provided with articulations (11, 12) which follow the bowing of the pane (1) in the event of a fire.Type: ApplicationFiled: September 15, 1999Publication date: April 18, 2002Inventors: KLAUS WILDENHAIN, RALF LINDEN
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Patent number: 6367212Abstract: A fire-retardant roof construction in a building wherein a fire-resistant wall separates a first room from a second room and supports purlins which carry a roof cladding fire-retardant roof construction. A first set of parallel purlins extends over the first room, each having one end pivotally mounted over a horizontal axis parallel to the wall adjacent the top of the wall. A set of upright cleats of sheet metal are secured to the top of the wall, each providing the pivotal mounting for a respective purlin. A second set of parallel purlins extends over the second room, and is mounted on cleats in the manner of the first set. The pivotal mountings are so located that each purlin, if deprived of support elsewhere, can collapse to hang down from its pivot without structural damage to the wall or the respective cleat.Type: GrantFiled: December 30, 1999Date of Patent: April 9, 2002Inventor: Noel Christopher Manning
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Patent number: 6360502Abstract: The present invention provides a firestop collar with an improved apparatus and method for mounting thereof with respect to a annular cavity formed in a wall or floor around a pipe or other cylindrical member protruding therethrough. The collar member preferably is positioned adjacent to the surface surrounding the protruding member and contains preferably intumescent material therein which is responsive to heat in order to expand and fill the aperture extending through the wall or panel during heat, fire or smoke conditions. The anchoring device for the present invention is adapted to hold the collar in abutment with the structural wall in position surrounding the penetrating conduit and it includes two leg members and an arcuate member. The arcuate member extends between the leg members and is made of a flexibly resilient material and has a radius of curvature less than that of the protruding conduit.Type: GrantFiled: September 26, 2000Date of Patent: March 26, 2002Assignee: Specified Technologies Inc.Inventor: James P. Stahl, Jr.
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Publication number: 20020032996Abstract: A firestop coupling assembly (10, 210 or 310) for allowing the passage of utility members (50 or 52) through a penetration in a partition (54 or 56) while preventing the transmission of fire and smoke through the penetration. The coupling assembly including a coupling (12, 212 or 312) and a firestop extension (16, 216 or 316). The firestop extension has a housing (18, 218 or 318) with an inner passageway (22, 222 or 322). Intumescent material (28, 228 or 328) is mounted in the inner passageway of the housing. The firestop extension is mounted on the coupling such that the intumescent material extends downward beyond a second end (12B, 212B or 312B) of the coupling. When the coupling assembly is exposed to heat, the intumescent material expands into the inner passageway of the housing of the firestop extension and blocks the second end of the coupling which prevents the transmission of smoke and fire through the coupling assembly.Type: ApplicationFiled: November 27, 2001Publication date: March 21, 2002Inventor: Kenneth R. Cornwall
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Patent number: 6358593Abstract: A door lamination structure including a core member with first and second surfaces separated by an endless edge third surface. A groove extends around the endless third surface and forms a chamber in the core. First and second sheets of protective material are placed over the first and second surfaces respectfully. A fastener holds the first and second sheets to the chamber of the groove.Type: GrantFiled: April 14, 2000Date of Patent: March 19, 2002Assignee: American Building Supply, Inc.Inventors: Grant Bennett, Douglas Smith
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Patent number: 6336297Abstract: A firestop coupling assembly (10 or 210) for allowing the passage of utility members (50 or 52) through a penetration in a partition (54 or 56) while preventing the transmission of fire and smoke through the penetration. The coupling assembly includes an outer sleeve (12 or 212) and an inner conduit (16 or 216). The outer sleeve has a concentric indention (12D or 212D) around its inner surface within which is mounted an intumescent material (20 or 220). In one (1) embodiment, the inner conduit is mounted in the open top end of the outer sleeve so that the second end (16B or 216B) of the inner conduit is adjacent the intumescent material. In another embodiment, the inner conduit is adjustable along the length of the outer sleeve. A plug (22 or 222) can be provided in at least one end of the inner conduit allowing passage of at least one (1) utility member through the assembly.Type: GrantFiled: August 5, 1999Date of Patent: January 8, 2002Inventor: Kenneth R. Cornwall
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Patent number: 6327821Abstract: A fire-proof refuge shelter includes a plurality of partition walls joined together by bolts and screws to form a closed box provided with a pair of sliding doors, characterized in that: each of the partition walls being made of a surface layer, an intermediate heat-resistant layer and an inner heat-resistant cement layer, the surface layer being made of fire-proof glass fiber or calcium silicate or mineral fiber, the inner heat resistant layer being a fire-proof sound absorbing board made of lightweight bone concrete or made by solidation of heat resistant concrete, and the intermediate heat resistant sand layer being made of non-combustible clay, silicon stone or substance primarily consisting of carbon, whereby oxygen tanks, flashlights and so on are arranged inside the shelter for people who waits for rescue.Type: GrantFiled: April 14, 2000Date of Patent: December 11, 2001Inventor: Wen Fu Chang
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Patent number: 6327826Abstract: A frame assembly includes a non-combustible rigid filler sheet supported within a surrounding support frame made from lengths of a structural frame member joined together. The structural frame member has an elongate body extruded from a heat meltable material and has longitudinally extending cavities. Intumescent material is located in selected cavities.Type: GrantFiled: April 26, 1999Date of Patent: December 11, 2001Assignee: Lorient Polyproducts LimitedInventor: Robert McGowan Mann
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Patent number: 6325423Abstract: The invention relates to an arrangement with a female pipe adapter and/or a female pipe adapter (1) with a first pipe section (5) and a second pipe section (6) that is connected to same and has a larger interior diameter, into which a connector pipe (4) can be inserted, whereby the connector pipe (4) is sealed with a seal (18) whose one end (18′) can be inserted into the second pipe section (6) and is tightly connected via a chucking means (24) to the inside surface (6′) of the second pipe section (6), and whose other end (18″) tightly adjoins the outside surface (19) of the connector pipe (4) or is tightly connected to same with a clamping means (25).Type: GrantFiled: August 10, 2000Date of Patent: December 4, 2001Inventor: Horst Guggemos
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Patent number: 6305133Abstract: A firestop coupling assembly (10 or 210) for allowing the passage of utility members (50 or 52) through a penetration in a partition (54 or 56) while preventing the transmission of fire and smoke through the penetration. The coupling assembly includes an outer sleeve (12 or 212) and an inner conduit (16 or 216). The outer sleeve has a concentric indention (12D or 212D) around its inner surface within which is mounted an intumescent material (20 or 220). In one (1) embodiment, the inner conduit is mounted in the open top end of the outer sleeve so that the second end (16B or 216B) of the inner conduit is adjacent the intumescent material. In another embodiment, the inner conduit is adjustable along the length of the outer sleeve. A plug (22 or 222) can be provided in at least one end of the inner conduit allowing passage of at least one (1) utility member through the assembly.Type: GrantFiled: October 3, 2000Date of Patent: October 23, 2001Inventor: Kenneth R. Cornwall
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Publication number: 20010018814Abstract: Fire rated door or fire rated window to prevent the spread of smoke and fire which is suitable for use in the region of a fire protection partition, said fire rated door or fire rated window comprises a mobile frame with a filling compartment consisting of fire resisting material, and the mobile frame is partially or completely surrounded by a stationary frame component.Type: ApplicationFiled: March 20, 2001Publication date: September 6, 2001Inventor: Walter Degelsegger
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Patent number: 6270915Abstract: A gypsum board/intumescent material ceiling board includes a gypsum board and a fire-resistive barrier. A first major surface of the gypsum board is an upper side for abutting framing and a second major surface of the gypsum board is an underside for facing a room interior. The fire-resistive barrier is a layer of intumescent coating material applied to and coextensive with one of the major surfaces of the gypsum board. The intumescent coating material contains expandable graphite and a corrosion inhibitor in sufficient quantities to provide a corrosion inhibiting layer on metal surfaces, such as the surfaces of metal fasteners, with which the intumescent coating material comes in contact. In addition, the intumescent coating material has a pH greater than 7.0 to reduce corrosive properties of the intumescent material and provide a chemical environment conducive to the forming of the corrosion inhibiting layer by the corrosion inhibitor.Type: GrantFiled: June 4, 1999Date of Patent: August 7, 2001Assignee: Johns Manville International, Inc.Inventors: Kenneth A. Turpin, Monroe W. Shumate, Jesse J. Beitel, III
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Patent number: 6256948Abstract: Fire-resistant passage for one or more lines, such as cables or tubes, in a wall, including an opening in the wall, one or more lines extending through the opening from the one side of the wall to the other side thereof, and a number of profile sections made from material which expands under the influence of heat, which profile sections are situated adjacent to the lines in order to support them and to occupy the surface of the opening present adjacent to the lines, the profile sections having such a shape that radially they freely abut the lines concerned.Type: GrantFiled: October 14, 1999Date of Patent: July 10, 2001Inventor: André Van Dreumel
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Patent number: 6230458Abstract: A fire-resistant composite slab, especially one that is composed of three layers, which has a central layer made of glued, inorganic expanded materials combined with inorganic fiber-containing fillers. Outer layers in the form of slabs are provided on both sides of the central layer. These comprise at least two layers of glued expanded materials between which a continuous, flat reinforcement layer is provided. The fire-resistant composite slab can be used in constructing the interiors of buildings and ships.Type: GrantFiled: October 25, 1999Date of Patent: May 15, 2001Assignee: Mineralka D.O.O.Inventors: Milan Silc, Iva Marolt
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Patent number: 6226939Abstract: The application discloses a fire protection cover for an electrical device recessed into a wall or ceiling, said, comprising one or more support layers coated with one or more layers of intumescent material. The device is especially useful for suspended ceilings or partition walls for preventing the passage of fire into or out of the ceiling or wall cavity. The cover may comprise one or more apertures to enable the cover to be ventilated and/or for access to cabling. In particular, the cover may be made of a mesh or perforated sheet. In the event of a fire, the intumescent material tumesces to block any holes within the cover or holes between the cover and wall or ceiling.Type: GrantFiled: October 13, 1998Date of Patent: May 8, 2001Assignee: Nullifire LimitedInventors: Clive Anthony Atkins, Nigel Christopher Maris
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Patent number: 6216404Abstract: An elongated C-shaped structural member for cooperation with the inner wall or partition and ceiling of a structure to confine a fire and prevent its spreading, the C-shaped structural member having an intumescent thermal gasket positioned on its outer vertical web face, and parallel extending flanges on its opposing web face, the upper extending flange having a plurality of finger members formed on its surface, the finger members displaceable to a plane vertical to the upper flange member for extension into the troughs of the underside of the ceiling, the C-shaped structural member secured to the ceiling by the upper flange member such that the intumescent thermal gasket is juxtaposed adjacent the upper outer surface of the interior wall or partition, the C-shaped structural member, upstanding finger members and the troughs associated therewith being encapsulated with a fire retardant cementious composition.Type: GrantFiled: May 19, 1999Date of Patent: April 17, 2001Inventor: Timothy Vellrath
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Patent number: 6189953Abstract: A stiffener is provided for reinforcing a hollow structure having a pair of spaced walls. The stiffener includes a carrier member with a layer of expandable polymer which creates a structural foam when the polymer is later expanded. The stiffener could comprise a single laminate shaped to fit in the appropriate locations of the hollow structure so that when the polymer is expanded it forms a structural foam intimately bonded to the pair of spaced walls. The stiffener may also be in the form of a corrugated frame wherein individual laminates are provided with notches to permit the individual laminates to be interlocked with each other at the notches.Type: GrantFiled: January 4, 2000Date of Patent: February 20, 2001Assignee: Henkel CorporationInventor: Joseph S. Wycech
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Patent number: 6182407Abstract: A gypsum board/intumescent material fire barrier wall includes spaced apart, vertically extending metal or wooden studs with only one layer of gypsum board secured to each side of the studs to form a fire barrier wall with a wall cavity. An intumescent material barrier, that is at least coextensive in width and height with the width and height of the wall cavity, is also included in the fire barrier wall and preferably, the wall cavity contains a fibrous insulation blanket. Preferably, the spaced apart gypsum wall boards, with the intumescent material barrier, provide the fire barrier wall with two hour fire-resistive properties meeting or exceeding ASTM test standard E119 for walls and partitions.Type: GrantFiled: December 24, 1998Date of Patent: February 6, 2001Assignee: Johns Manville International, Inc.Inventors: Kenneth A. Turpin, Richard A. Versen, Bradley Burdic, Reed H. Larson, Monroe W. Shumate
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Patent number: 6176052Abstract: The installation of a fire retarding division-penetrating member is enhanced and the member fits the outer circumference of inconstant penetrating material to prevent the filler from dropping. The heat expansion fire resistant material may be securely provided. A tongue piece (17) of fire resistant material (16) may fit to the surface and valley of pipe (25) and cable (26) only by fitting the saw teeth state heat expansion fire resistant material (16) with its upper face being covered with the sheet (19) inside the holding frame (11) of sleeve main bodies (10) and (10a) that are split into two pieces and by dropping these sleeve main bodies (10) and (10a) into the floor through-hole (24) from above. In this way, the filler like mortar (28) and so forth can be immediately filled from the upper floor with no need for repairing the heat expansion fire resistant material (16).Type: GrantFiled: May 21, 1999Date of Patent: January 23, 2001Assignee: Tosetz Co., Ltd.Inventor: Jiro Takahashi
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Patent number: 6176053Abstract: A cap track assembly for use with a fire resistant wall structure where the cap track assembly is adapted for attachment to a top structural member and to a plurality of wall studs. The apparatus is also directed to a method for installing the cap track assembly into a fire resistant wall structure. In one version, the apparatus provides a track assembly comprising a U-shaped longitudinal metal track having angled lips depending outwardly from the bottom ends of each of the side walls of the track, and an end tab and top tabs having longitudinal openings and depending downwardly at an angle of about 90 degrees from a top wall of the track. The track assembly further comprises a fire resistant material extending along the outer side walls of the track and supported on the lip of each of the side walls.Type: GrantFiled: August 26, 1999Date of Patent: January 23, 2001Inventor: Roger C. A. St. Germain
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Patent number: 6170210Abstract: A continuous gear hinge, having extruded aluminum leaves and an extruded aluminum cap which holds the leaves together at meshed gear segments on the leaves, has the capacity to establish a seal between the door and hinge jamb to which it is attached. That seal derives from intumescent strips which lie in recesses that open out of the of the leaves. In the presence of a fire, the intumescent material, the strips of which extend the full length of the hinge, expands and bonds to the door and hinge jamb to not only seal the space between the two, but also to secure the door should the hinge lose its capacity to hold the door.Type: GrantFiled: March 16, 1999Date of Patent: January 9, 2001Assignee: C. Hager & Sons Hinge Manufacturing CompanyInventor: Ronald J. Marts
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Patent number: 6161348Abstract: A drop-out fire vent for a building has a plastic dome that softens and loses structural integrity with increasing temperature. However, the dome is prevented from dropping out by an internal trap door controlled by a fusible link that will release at a precise temperature. This allows the vent to be used in combination with sprinkler systems such as ESFR systems that require opening of the vent at a precise temperature after the sprinklers have been triggered.Type: GrantFiled: March 25, 1999Date of Patent: December 19, 2000Assignee: C/S Construction Specialties LimitedInventor: Richard P. Morris
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Patent number: 6149227Abstract: A stiffener is provided for reinforcing a hollow structure having a pair of spaced walls. The stiffener includes a carrier member with a layer of expandable polymer which creates a structural foam when the polymer is later expanded. The stiffener could comprise a single laminate shaped to fit in the appropriate locations of the hollow structure so that when the polymer is expanded it forms a structural foam intimately bonded to the pair of spaced walls. The stiffener may also be in the form of a corrugated frame wherein individual laminates are provided with notches to permit the individual laminates to be interlocked with each other at the notches.Type: GrantFiled: January 25, 1999Date of Patent: November 21, 2000Assignee: Henkel CorporationInventor: Joseph S Wycech
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Patent number: 6141923Abstract: A fire resistant frame structure for a facade or glass roof, includes a column profile, and a beam profile connectable to the column profile to form a support construction and so positioned relative to the column profile as to form spaces for receiving fire protection glasswork. The column profile and the beam rofile are each made of aluminum and comprised of a supporting core member for receiving static loads, an enclosure surrounding the core member, connecting members joining the core member to the enclosure at formation of a hollow chamber, and adsorbent material received in the hollow chamber and having heat absorbing and hydrophilic properties. The connecting members are formed by bridge members which provide a low heat conductivity to effect a low heat flux from the enclosure to the core member. Thus, crystal water can be released when the adsorbent material is subject to a certain temperature level to thereby cool the metallic framework.Type: GrantFiled: March 27, 1998Date of Patent: November 7, 2000Assignee: Schuco International KgInventors: Siegfried Habicht, Frank Mantwill, Armin Tonsmann
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Patent number: 6141915Abstract: A fire insulating support means for installation of one of cables, pipes and ventilation ducts in a through aperture in a wall includes a flange-shaped body. The flange-shaped body is made of a platelike member and a tubular member which has an aperture therethrough for the placement of a duct, pipe or cable. The flange-shaped body includes a fire insulating material, the platelike member in the flange-shaped body is provided with at least one through hole for fastening means for securing the body to the wall and at least partway around the at least one through hole is disposed a thermally expanding mat.Type: GrantFiled: February 3, 1998Date of Patent: November 7, 2000Inventors: Terje Andersen, Ole A Eide
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Patent number: 6128874Abstract: A fire resistant barrier and system for dynamic building expansion joints comprising a plurality of layers of fire resistant material comprising: a first mechanical support layer having a first and second major surface; a second layer having a first and second major surface, wherein the second layer provides protection and mechanical support to the fire barrier; and at least one layer of intumescent sheet material having a first and second major surface; said at least one layer of intumescent material is disposed between said first mechanical support layer and said second layer; and wherein said first mechanical support layer, said second layer and said at least one layer of intumescent material are locally bonded together over only a portion of their width substantially continuously along the length of the layers of said fire resistant material.Type: GrantFiled: March 26, 1999Date of Patent: October 10, 2000Assignees: Unifrax Corporation, Construction Specialties, Inc.Inventors: James R. Olson, Roger W. Barr, Lee A. Peekstok
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Patent number: 6119411Abstract: An enclosure that is fire-resistive for a predetermined period of time including a floor having a structural forging which is covered with a glass wool felt. A platform of wooden plates is affixed to the glass wool felt. Lateral expansion joints are positioned at ends of the wooden plates. A wooden skirting board is positioned over the expansion joints and resides against walls of the enclosure. The walls are formed by plywood boards, incombustible boards, and a wooden board formed by planks. A metallic square bar is affixed to the floor and resides at the bottom of the walls. A ceiling is self-supported at the top of the walls. The door of the enclosure includes a frame having a plurality of wooden parts having a steel plate extending across at least one face thereof. This steel plate is covered with an incombustible board.Type: GrantFiled: September 8, 1998Date of Patent: September 19, 2000Inventors: Maria Desamparados Mateu Gil, Beatriz Mateu Gil, Lorena Mateu Gil
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Patent number: 6115976Abstract: An assembly for sealing a fire resistant door within a door frame during a fire event is provided. The fire resistant door has a plurality of edges. The assembly comprises a first body portion and a second body portion secured to the first body portion. An expansion mechanism between the first body portion and the second body portion for moving the second body portion in a direction generally away from the first body portion and against the door frame upon attaining a predetermined temperature with the first body portion, the second body portion, and the expansion means forming a door edge device wherein the door edge device is secured to at least one of the edges of the fire resistant door.Type: GrantFiled: September 20, 1999Date of Patent: September 12, 2000Assignee: Wood Door Products, Inc.Inventor: Steven V. Gomez
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Patent number: 6112488Abstract: A fire resistant gasket for architectural joints comprises an intumescent material mat having a first major surface and a second major surface, wherein at least one of said first and second major surfaces has coated thereon an adhesive. A fire barrier is provided comprising: at least one fire resistant intumescent gasket material having a first major surface and a second major surface, wherein at least one of said first and second major surfaces has coated thereon an adhesive, and at least one fire resistant material barrier layer bonded to a portion of one of said first and second major surface, preferably adhered to a portion of said adhesive coated gasket surface.Type: GrantFiled: April 29, 1997Date of Patent: September 5, 2000Assignee: Unifrax CorporationInventors: James R. Olson, Lee A. Peekstock, Kevin D. Packard, Sarah E. Brewer
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Patent number: 6105334Abstract: A structure for use in conjunction with a recessed fixture is provided which includes a substantially rectangular housing defining a top wall and side walls. Each of the walls has exterior and interior wall surfaces, and at least the interior wall surfaces of the housing are coated with a fire resistant material. Flanges depend outwardly from bottom edges of side walls of the housing to facilitate mounting of the housing between spaced apart building joists. The housing is coated with the fire resistant material prior to installation.Type: GrantFiled: September 16, 1997Date of Patent: August 22, 2000Assignee: Logic Construction Systems, L.L.C.Inventors: Kevin J. Monson, Christopher D. Jensen, Edward V. Calo
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Patent number: 6061985Abstract: Plate-shaped fire-resistant elements in a sandwich construction have at least three layers connected with one another and resist fire from a front and a back side. The fire-resistant elements are intended in particular for a ceiling or a wall of a building. The elements have a light weight, a high mechanical stability, and can be easily and inexpensively manufactured and installed in a building. The fire-resistant elements have two outer layers and a center layer lying therebetween in the form of a plate, whereby the edge area of the two outer layers is enclosed on at least two oppositely lying sides. Each side has an edge section and the layers are connected with one another. The outer layers have expandable glass granulate or perlite, and the center layer is constructed to prevent passage or penetration of gases.Type: GrantFiled: February 18, 1999Date of Patent: May 16, 2000Assignee: Wilhelmi Werke AGInventors: Gerhard Kraus, Bernd Fiedler, Robert Wachter
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Patent number: 6061993Abstract: A module especially intended for being laid on floors, and possibly also walls or ceilings, is provided. The module comprises a base plate of a cellular light weight material and a fire proof cover plate. The underside of the cover plate is permanently connected to a lateral surface of the base plate using an intermediate bonding material. The module includes two elements, the base plate and one cover plate that comprises a wooden material, such as a hardwood. The elements are assembled to form a flat unit in a plank or parquet patten. The plate is of a thickness between 2 and 6 millimeters and is impregnated with a fire retardant agent. The other lateral surface of the base plate is uncovered, with the reverse surface of the base plate being free.Type: GrantFiled: September 25, 1998Date of Patent: May 16, 2000Assignee: Safety Rail System ASInventors: Christian Bendixen, Arne Gerhardsen
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Patent number: 6029412Abstract: An interlocking intumescent collar is disclosed. The collar may be fitted around a pipe at the point where the pipe penetrates a wall or floor. The collar comprises a strip of intumescent material disposed on a collar body. Anchor tabs extend outward from the collar body and are adapted to be fastened to the wall or floor. The collar includes an interlock integral with the anchor tabs. The interlock holds the tabs in overlapping relationship when the collar is placed around a pipe. The interlock integral with the anchor tabs decreases manufacturing costs and facilitates the field installation of the collar.Type: GrantFiled: February 12, 1997Date of Patent: February 29, 2000Assignee: RectorSeal Corp.Inventor: Henry J. Gohlke
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Patent number: 6003274Abstract: A lightweight structural reinforcement spans a space in a structural member. The reinforcement functions as a web and has a metal plate, a layer of foam and a thin, metal reinforcement selectively positioned at the mid-portion of the reinforcement. Unexpanded foam at the end portions of the plate serve as a n adhesive to bond the reinforcement to the structural member being reinforced.Type: GrantFiled: January 25, 1999Date of Patent: December 21, 1999Assignee: Henkel CorporationInventor: Joseph S. Wycech
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Patent number: 5970670Abstract: A fire collar (10) is supported around a plastic material pipe (30) extending through a bore (32) in a wall (44). The fire collar (10) comprises a cylindrical metal collar (12) carrying a layer of intumescent material (36) on its inner circumferential surface. A sleeve (22) of fire resistant material is attached to the metal collar (10) and extends within the collar and around the pipe (30). In the event of a fire the pipe (30) melts. The intumescent material (36) is constrained to expand radially inwardly and as it does so it pushes the fabric sleeve (22) radially inwardly.Type: GrantFiled: July 1, 1997Date of Patent: October 26, 1999Assignee: J.W. Bollom & Co., Ltd.Inventor: William H. Hoffman
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Patent number: 5950376Abstract: A fire proofing assembly with friction sliding surfaces to accommodate wide horizontal seismic isolator movements placed around seismic isolators and in partitions at the perimeter of isolation spaces. Heat reflecting, insulating and intumescent layers may be interposed at friction surfaces. Normal force to friction may be maintained by spring. Temporary, partial dissembling arrangement provided for isolation bearing inspection. Elastomeric curtain may be provided for fire hose test.Type: GrantFiled: May 28, 1997Date of Patent: September 14, 1999Assignee: MM Systems CorporationInventors: Zoltan A. Kemeny, J. Paul Attaway, C. Michael Schuerman, Julian J. Attaway
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Patent number: 5947159Abstract: An elastic metal sheet member with thermal expansion material being lined on its internal face is curved to a C-letter shape. A claw is formed downward to a opening side tip, and a engaging mouth is formed to the opposite opening side tip. In this structure, the penetrating member can be fitted to the piping "A" or can be detached from it only by pressing the elastic metal sheet for its contraction in diameter with one hand.Type: GrantFiled: September 12, 1997Date of Patent: September 7, 1999Assignee: Tosetz Co., Ltd.Inventor: Jiro Takahashi
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Patent number: 5921041Abstract: An improved bottom track for a stud wall assembly which includes a generally U-shaped channel member including two juxtaposed side wall portions connected at ninety degree angles to a base wall portion. A factory-installed elongated rectangular strip of a fire retardant material, such as caulking, extends along the length of each side wall. In use, the bottom track is secured in a conventional manner to the floor structure, through the base wall portion of the U-shaped channel member. Screws extending through the side walls of the channel member secure the channel member to a plurality of studs. Wall panels, such as dry wall, are attached to opposite lateral faces of the studs. The lower portion of the wall panels vertically overlap the fire retardant strips to create a continuous fire barrier from the wall panels to the floor substrate.Type: GrantFiled: December 29, 1997Date of Patent: July 13, 1999Inventor: John David Egri, II
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Patent number: 5916077Abstract: A composite fire-proof, heat-barrier door which includes a casing trim and a fire proof door. The door panel of the fire proof door are made from a stainless plate. The inner walls of the door panels are provided with a rigid heat barrier fire proof plate. The central portion of the fire proof door is provided with a heat preserving material. The peripheral edges of the fire proof door is provided with fire proof heat barrier clearance. When a fire accident occurs, the smokes and fire can be effectively prevented from coming in by the novel composite fire proof heat barrier door.Type: GrantFiled: February 20, 1997Date of Patent: June 29, 1999Assignee: Chuan Mau Products, Ltd.Inventor: Jung-Chaun Tang
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Patent number: 5887395Abstract: A firestop sleeve suitable for both concrete floor and gypsum wall-board assembly including a layer of intumescent composite forming a moldable putty with a restraining layer, for wrapping around a pipe extending through the concrete floor or through the wall-board, along with a plurality of bendable tabs for depression into the wrapped layer to hold the restraining layer in position during installation.Type: GrantFiled: September 19, 1997Date of Patent: March 30, 1999Assignees: International Protective Coatings Corp., Pyro-Tech Industries Inc.Inventors: Mario Navarro, William T. Seeley
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Patent number: 5887396Abstract: An intumescable fire stop device and method of installing the same including a collar and a fastening device. The collar includes intumescable material supported by a jacket. The fastening device includes an axial shaft portion, a radial shank portion and a means to attach the fastening device to the collar. The radial shank portion is placed through an opening in a wall or other rigid surface through which a pipe or other member extends and between the wall and the pipe. The radial shank portion is then extended on the far side of the wall to engage the far side of the wall and firmly secure the collar to the near side of the wall.Type: GrantFiled: May 13, 1998Date of Patent: March 30, 1999Assignee: Minnesota Mining and Manufacturing CompanyInventor: Thomas L. Thoreson