Abstract: A vibration-dampening polymeric sleeve is provided for installation within the tubular receiver extension of an AR-10 derivative assault rifle before the action spring and buffer are installed therein. The presence of the sleeve dampens noise and vibration caused by the action spring of an AR-10 derivative assault rifle slapping against the cylindrical wall of the receiver extension. For one embodiment of the sleeve, a generally rectangular sheet of laminar polymeric plastic material equipped with tabs at the rear thereof, that is rolled into a tube. The tabs, which are inwardly bent, are held against the closed, rear end of the receiver extension by the action spring, whether the spring is fully compressed or only partially compressed. For an alternative embodiment, the sleeve, a solvated liquid polymer compound is sprayed into the cylindrical chamber of an axially-rotating receiver extension and allowed to dry.

Abstract: The present invention relates to a cosmetic composition comprising: —one or more keratin fiber conditioning agents; —one or more polymers of formula (I): in which: —Z1 represents a divalent group —CH2-T or -T-CH2—; T denoting an oxygen or sulfur atom, or a group chosen from the groups N(R2), N(R2)—C(O), C(O)—N(R2), S—(CO), (CO)—S, O—(CO) and (CO)—O; —Z2 represents a group OR1 or R8—CH2—NR3R4; —Z3 represents a group OR5 or R6; —p1 is equal to 1; —p2 is equal to 0 or 1; —R2 and R3, which may be identical or different, represent a hydrogen atom or a group R7; R1, R5, R6, R7 and R8, which may be identical or different, represent a C1-C6 and preferably C1-C2 alkyl group; and R4 represents a C1-C6 and preferably C1-C2 alkyl group, or a C5-C6 and preferably C6 cycloalkyl group such as cyclohexyl; R3 and R4 may optionally form, with the nitrogen atom that bears them, a 5- to 8-membered heterocycle comprising from 1 to 3 heteroatoms; —W represents a divalent polymer chain.

Abstract: Embodiments disclosed herein relate to structural, seismic beams and columns as well as to structures including such beams and columns. The seismic beams and columns may be sized, shaped, or otherwise configured to produce approximately even or uniform load distribution (e.g., during a seismic event and/or wind loading event).

Abstract: The present invention is directed to interlocking building block with continuously curved surface profiles suitable for general wall construction, and, when using desireably dense materials, particularly suitable for constructing walls capable of significantly blocking electromagnetic radiation, such as photon, gamma, and neutron radiation.

Abstract: One or more embodiments of the present invention relate to a holder for a fire protection sleeve, having a mounting portion, a supporting portion and a holding portion, characterized in that the holding portion is provided with anchoring structure, which may positively interlock with the cover of a fire protection sleeve. One or more embodiments of the present invention also relate to an assembly of such a holder and a fire protection sleeve comprising a strip of an intumescent material, which is surrounded by a cover at least on one flat side and a longitudinal edge, characterized in that the anchoring structure may dig into the cover in the region of the longitudinal edge.

Abstract: A method for using a guard for structural members is disclosed. This can reduce worker injury with a thin sheet metal or plastic, broadly U-shaped guard plate attached to a structural support through attachment to a pair of clamps, each with a primary and a secondary threaded clamp mechanism. The attachment between the guard plate and pair of clamps may be via a slotted intermediate structure. The primary mechanism has a swivel pad end while the secondary clamps have a pointed, cone-shaped end. The guard can be used in wind turbine towers to protect workers on a fixed ladder from hitting interior flanges as they climb up and as they climb down.

Abstract: A firestop collar including a support band made of sheet metal and an intumescent strip that runs along the support band and is connected to it. The support band is provided with several pre-defined cutting zones which are at a distance from each other in the lengthwise direction and which run crosswise to the lengthwise direction. The intumescent strip has cutting areas that are oriented in the same manner and in which the intumescent strip is thinner than it is in the adjacent areas in the lengthwise direction. The cutting areas coincide with the cutting zones of the support band.

Abstract: A firestop element can be installed as a passthrough for a floor of a building. The element has a rigid annular body having a first section and a second section. At least a portion of the first section is fabricated of a polymer intumescent composition. This portion has an inner annular surface with a plurality of spaced lands and a void extending between each pair of lands. The second section is a sleeve having a smaller diameter than the first section.

Abstract: A device, kit, and method are provided for anchoring an element on an exterior face of a wall of a building. The method includes, from the inside of the wall, running a line into a hole passing through the wall and fixing said line to an element anchoring device. The device comprising a fastener of said element, a bearing means, a first fixing means and a guide able to guide a second fixing means that collaborates with said first means. The method includes, from the inside, pulling said line in order to introduce the guide into said hole and, from the inside and using the guide, fixing the two fixing means together to press the bearing means firmly against the exterior face of the wall.

Abstract: A composite product includes gypsum in an amount of 60 to 90% by weight, fibers in an amount of 1.5 to 26% by weight substantially homogeneously distributed through the composite, and a rheology-modifying agent in an amount of 0.5 to 6% by weight. The composite is caused or allowed to cure to form a cured composite. The cured composite is a fire resistant component used in a fire-rated door core, a fire-rated door or a fire-rated building panel. The fire resistant component may include a building panel, a door panel, a door core, a door rail, a door stile, a door lock block, a door border, or a door insert.

Abstract: A tubular passage for poured concrete decks has an intumescent tube held in a two-part, clamshell base by a bottom clip. A first tube engages the base's top to clamp a funnel shaped, diaphragm seal to the base. The first tube has spaced, radially extending, parallel ridges at predetermined distances from the base. Longitudinal channels separate the ridges. An extension tube has inward extending lugs passing along the channels to engage various ridges when rotated to fix the passage length. The extension engages the base bottom for corrugated deck supports. A cap with repositionable, locating filaments closes either tube.

Abstract: A tubular passage for poured concrete decks has an intumescent tube held in a two-part, clamshell base. First and second, spaced apart, funnel shaped, diaphragm seals are connected to a first tubular passage or an adjustable length tubular extension. A cap for closing either tube has an inclined outer surface to form a beveled entrance to the passage in the concrete. An aerator box may be connected to the base. Hinged ends on the base allow the shape and length of support to be altered.

Abstract: A composite product includes gypsum in an amount of 60 to 90% by weight, fibers in an amount of 1.5 to 26% by weight substantially homogeneously distributed through the composite, and a rheology-modifying agent in an amount of 0.5 to 6% by weight. The composite is caused or allowed to cure to form a cured composite. The cured composite is a fire resistant component used in a fire-rated door core, a fire-rated door or a fire-rated building panel. The fire resistant component may include a building panel, a door panel, a door core, a door rail, a door stile, a door lock block, a door border, or a door insert.

Abstract: A composite product includes gypsum in an amount of 60 to 90% by weight, fibers in an amount of 1.5 to 26% by weight substantially homogeneously distributed through the composite, and a rheology-modifying agent in an amount of 0.5 to 6% by weight. The composite is caused or allowed to cure to form a cured composite. The cured composite is a fire resistant component used in a fire-rated door core, a fire-rated door or a fire-rated building panel. The fire resistant component may include a building panel, a door panel, a door core, a door rail, a door stile, a door lock block, a door border, or a door insert.

Abstract: A fire-rated receiver channel includes at least one intumescent or other fire-resistant material strip. The receiver channel can nest with a framing member, such as metal tracks, headers, header tracks, sill plates, bottom tracks, metal studs, wood studs or wall partitions, and placed at a perimeter of a wall assembly to create a fire block arrangement. In other arrangements, a track assembly includes two nested tracks, an inner track and outer track. The assembly is designed so that the outside width of the outer track is equal to or less than the outside width of the inner track to present a substantially flush external surface for attachment of exterior sheathing elements when the assembly is used in an external wall.

Abstract: A break away connector system is provided for coupling together structural elements, such as a firewall and a floor or ceiling. The break away connector system comprises a support member and a fusible member. The support member is connectable to a firewall for securing a floor or ceiling to the firewall. The break away connector system further comprises at least one securing member for connecting the floor or ceiling to the support member. The fusible member has a lower melting point than the support member. The support member is configured such that when the fusible member is weakened by heat, the floor or ceiling is slidably releasable from the support member. In a further embodiment, a method is provided for constructing a firewall connection system.

Abstract: A firestopping insulation construction adapted to be positioned adjacent to a head-of-wall area beneath a ceiling construction having fluted ceiling runner channels which have a trapezoidal cross-sectional profile facing downwardly. The insulation assembly includes an upper plug mated the shape of the fluted channel which is at least partially surrounded by an outer cover and further includes a lower insulation section extending over the side walls of the head-of-wall area. The upper insulation plug and the lower insulation sections are preferably made of molded high temperature insulation. The insulation assembly is engaged only frictionally to the fluted ceiling channels.

Abstract: The subject of the present invention is a watertight fire door for closing an opening in a building or edifice comprising, on the one hand, a fixed frame and at least one opening leaf and, on the other hand, sealing means that provide sealing between the fixed frame and the opening leaf when the door is closed. The or each opening leaf comprises, on the one hand, a framework surrounding an empty space capable of accepting or forming a thermal insulator and being sandwiched between two layers and of thermal insulation each essentially produced from a material having low thermal conductivity or diffusivity and, on the other hand, if appropriate, at least one thermal break.

Abstract: Fire block devices for application to a wall component. The fire-block device can be a wall component that includes a fire-resistant material strip that expands in response to sufficient heat to create a fire-resistant barrier. In some applications, the fire-block wall component is positioned to extend lengthwise along and across a gap between wallboard members. The fire-block wall component may have a U-shaped central portion and a pair of side portions extending in opposite directions from the central portion. The fire-resistant material may be positioned on the central portion of the fire-block device. The central portion may be positioned within the gap such that the fire-resistant material expands in response to sufficient heat to create a fire-resistant barrier.

Abstract: Fire-barriers systems, including pre-assembled intersecting and straight-line fire-barriers having either all male-, all female-, or both types of coupling ends eliminate on-site cutting and construction of barriers required for intersection-spaces and provide easy, rapid, and safe one-step, drop-in installation and coupling. All male/female ended fire-barriers are constructed as single-piece units. All adjacent laid-flat layers are continuously connected having no gaps or folds. Straight-line and L-shaped barriers are certified according to the criteria mandated by both the ASTM E 1399-97 (Reapproved 2005), Standard Test Method for Cyclic Movement and Measuring the Minimum and Maximum Joint Widths of Architectural Joint Systems and the UL 2079 Fire Resistance of Building Joint Systems Test for air leakage (Revised and relocated as 1.14 Mar. 10, 2006).

Abstract: The present application is directed toward fire-rated wall construction components and wall systems for use in building construction. Embodiments can include tracks for holding studs which incorporate various geometries capable of receiving fire-retardant material, flat straps for use between tracks and fluted wall components, fire sponges for use in fluted wall components, and tracks with protruding grooves or other structures which prevent unwanted air movement between a wallboard component and the track.

Abstract: Fire-rated wall construction components and wall systems for use in building construction. Embodiments can include tracks for holding studs which incorporate various geometries capable of receiving fire-retardant material, including but not limited to intumescent material. The fire-retardant material can be attached to the tracks such that the fire-retardant material expands and seals gaps and/or areas between the tracks and wall components such as ceilings, floors, and drywall. Various assemblies and methods can be used to cover the deflection gap.

Abstract: A firestopping insulation construction adapted to be positioned adjacent to a head-of-wall area beneath a ceiling construction having fluted ceiling runner channels which have a trapezoidal cross-sectional profile facing downwardly. The insulation assembly includes an upper plug mated the shape of the fluted channel which is at least partially surrounded by an outer cover and further includes a lower insulation section extending over the side walls of the head-of-wall area. The upper insulation plug and the lower insulation sections are preferably made of molded high temperature insulation. The insulation assembly is engaged only frictionally to the fluted ceiling channels.

Abstract: A roofing membrane comprising at least one layer of a cured rubber and expandable graphite dispersed within the cured rubber.

Abstract: An expansion bracket absorbs movement of a wall stud to prevent damage to a wall covering attached to the wall stud. The expansion bracket can include a main body having a main body flange, formed of a deformable material, and having a wall stud attachment end configured to attach to the wall stud via a wall stud attachment element. The main body can also have a furring attachment element configured to attach a furring to the main body. When the main body is attached to the wall stud and the furring, and the wall covering is attached to the furring via a wall covering attachment element, the main body flange is configured to absorb, via deformation, at least a portion of the movement of the wall stud due to heat-based expansion of the wall stud.

Abstract: A composite product includes gypsum in an amount of 60 to 90% by weight, fibers in an amount of 1.5 to 26% by weight substantially homogeneously distributed through the composite, and a rheology-modifying agent in an amount of 0.5 to 6% by weight. The composite is caused or allowed to cure to form a cured composite. The cured composite is a fire resistant component used in a fire-rated door core, a fire-rated door or a fire-rated building panel. The fire resistant component may include a building panel, a door panel, a door core, a door rail, a door stile, a door lock block, a door border, or a door insert.

Abstract: A roofing system and article for installation on a roof deck. The roofing article includes a body having an upper portion and an underside. A first channel is defined within the upper portion. The first channel includes an inlet. A second channel is defined intermediate the underside of the body and the roof deck. The second channel is operably connected to the first channel through an orifice, such that the outside air can enter the second channel through the orifice.

Abstract: A construction for insulating the head-of-wall joint between a wall and a floor or roof thereabove which utilizes an insulating gasket construction positionable between the ceiling track and the building structure thereabove. The insulating gasket member includes two L-shaped sections which includes co-operate to firestop both outwardly facing sides of a head-of-wall joint, but which can also be used singly. Each L-shaped section is attached to an associated side section which extends over the outwardly facing surfaces of a ceiling track with being attached thereto. Each L-shaped insulation gasket section can include securement mechanism such as adhesive on the undersurface of the main upper horizontal portion to facilitate attachment to the top of the track therebelow and can be attached to an adjacent similarly configured L-shaped section by one or more connecting straps extending through slits defined therein.

Abstract: A firestopping sleeve positionable usually in walls which is self-adjusting and includes a sleeve defining an access corridor extending longitudinally therewithin with at least one firestopping pad positioned therein. The pad defines an access corridor extending therethrough for receiving wall penetrating cables which are firestopped therearound by the pad. A supplemental construction band is positioned extending around the pad for enhancing firestopping adjacent the penetrating wire for facilitating preventing the flow of heat, smoke or fire therepast.

Abstract: An apparatus and method for releasably mounting access control components for a door lock to a door. A base element is adapted to be mounted to the door. A first wire connector element is mounted to the base element. A mounting element with combustible material attached is provided. A second wire connector element is mounted to the mounting element, and the second wire connector element is releasably connected to the first wire connector element to mount the mounting element to the base element. A spring is provided, and a retainer holds the spring in a loaded state, but in a fire event the retainer may melt, allowing the spring to apply force to the mounting element. Alternatively, an expanding material may apply the force. The force causes the wire connector elements to disconnect and allow the mounting element to separate from the base element.

Abstract: A firestopping sleeve positionable usually in walls which is self-adjusting and includes a sleeve defining an access corridor extending longitudinally therewithin with at least one firestopping pad positioned therein. The pad defines an access corridor extending therethrough for receiving wall penetrating cables which are firestopped therearound by the pad. A supplemental construction band is positioned extending around the pad for enhancing firestopping adjacent the penetrating wire for facilitating preventing the flow of heat, smoke or fire therepast.

Abstract: A tubular passage for poured concrete decks has an intumescent tube held in a two-part, clamshell base by a bottom clip. A first tube engages the base's top to clamp a funnel shaped, diaphragm seal to the base. The first tube has spaced, radially extending, parallel ridges at predetermined distances from the base. Longitudinal channels separate the ridges. An extension tube has inward extending lugs passing along the channels to engage various ridges when rotated to fix the passage length. The extension engages the base bottom for corrugated deck supports. A cap with repositionable, locating filaments closes either tube.

Abstract: A fire door stop system for retrofitting a fire door assembly so as to bring the assembly into compliance with fire safety codes. The fire door stop system has a profile strip that is attachable to a fire door frame. An edge of the profile strip extends outward from the frame in a line with a face of the soffit against which the pull edge of the fire door closes. The fire door stop system further includes, as needed, edge protectors for a wood fire door, such as a horizontal edge protector, a vertical edge protector, and a bottom-edge extender, and a latch protector.

Abstract: A firestop apparatus includes a sleeve member having a sleeve opening extending between first and second ends and configured to receive a conduit member. The second end of the sleeve member has a sleeve member coupling portion with at least one sleeve fastener aperture. An intumescent collar member may be adjacent the second end of the sleeve member. The collar member has an opening aligned with the sleeve opening to receive the conduit member. The collar member is expandable from a non-expanded configuration to an expanded configuration, in which the intumescent collar material expands to seal against the conduit member. The collar member has at least one collar fastener aperture aligned with the at least one sleeve fastener aperture. At least one fastener passes through the at least one sleeve fastener aperture and the at least one collar fastener aperture to fasten the collar member to the sleeve member.

Abstract: A fire stop system with a pass through device is installed in a structural opening. The fire stop system includes a split pipe, a foam wall gasket and an annulus plate. The split pipe includes a first end and a second end. The first end and the second end have an intumescent material installed thereon to seal the split pipe when the split pipe is exposed to elevated temperatures. The foam wall gasket is installed around the split pipe adjacent the structural opening. The foam wall gasket forms a contour to the structural opening blocking air flow between the split pipe and the opening. The annulus plate covers the foam wall gasket and is installed around the split pipe at the structural opening.

Abstract: A head-of-wall joint for insulating the intersection between a wall assembly and the bottom of a floor or roof construction thereabove which utilizes an insulating gasket of a unique shape and construction positioned between the ceiling track and the point of intersection thereof with respect to the upper building floor or roof structure. The configuration of the insulating gasket member includes a main section and two side sections which extend over the outwardly facing surfaces of a conventionally configured ceiling track or runner without being attached to the ceiling track side panel side surfaces. The gasket can included tabs to attach to the lowermost edges of the track side sections. The gasket can be made from acoustically insulating materials or firestopping materials, or both.

Abstract: Fire-rated wall construction components and wall systems for use in building construction. Embodiments can include tracks for holding studs which incorporate various geometries capable of receiving fire-retardant material, including but not limited to intumescent material. The fire-retardant material can be attached to the tracks such that the fire-retardant material expands and seals gaps and/or areas between the tracks and wall components such as ceilings, floors, and drywall. Various assemblies and methods can be used to cover the deflection gap.

Abstract: A blanket or curtain of flexible fire retardant material is collapsed and retained within a retaining housing construction positioned adjacent to a curtain wall assembly for firestop sealing thereover. The housing includes a safing angle member secured to the curtain wall assembly and a cover which releases responsive to sensing fire conditions to allow the firestopping blanket to deploy downwardly to extend between curtain wall framing members and be positioned extending across a curtain wall panel for fire protection thereover. Such curtain wall panels are commonly made of glass which tends to fracture during a hot fire. The cover will release the blanket responsive to controlled failure of fusible links which secure the cover to the safing angle member. After deployment the blanket will deflect fire and heat away from the curtain wall panel to prevent the spread of fire to adjacent floors.

Abstract: Fire block devices for application to a wall component. The fire-block device can be a wall component that includes a fire-resistant material strip that expands in response to sufficient heat to create a fire-resistant barrier. In some applications, the fire-block wall component is positioned to extend lengthwise along and across a gap between wallboard members. The fire-block wall component may have a U-shaped central portion and a pair of side portions extending in opposite directions from the central portion. The fire-resistant material may be positioned on the central portion of the fire-block device. The central portion may be positioned within the gap such that the fire-resistant material expands in response to sufficient heat to create a fire-resistant barrier.

Abstract: The present invention provides a fireproof bulkhead, having a highly porous structure with an intumescent coating, the highly porous structure being formed as a reticulated foam or as a highly porous pimple or nub structure.

Abstract: With a firestop collar having a housing that can accommodate an insert made of an intumescent firestop compound and having at least one bracket with which the housing can be secured to a substrate, it is provided that the bracket is secured to the housing by a latching connection that is established by moving the bracket from the outside towards the center of the housing.

Abstract: An anchoring device including an anchoring element suitable for being anchored an object of construction material with the aid of mechanical vibrations. The anchoring element includes a thermoplastic material and a tool. The thermoplastic material forms at least a part of a radially outer surface of the anchoring element, and the tool has a proximal portion and a broadening portion distally of the proximal portion. The broadening portion has an outer second cross-section, the second cross section being larger than the first cross section but being adapted to the first cross section so that the tool can be moved with respect to the anchoring element while the broadening portion is in the axially-extending opening and locally expands the anchoring element while thermoplastic material of the anchoring element that surrounds the broadening portion is in a solid state.

Abstract: A protective barrier that will typically be installed beneath ceilings during construction work being performed on ceilings or roofs of buildings. The protective barrier can be comprised entirely of one material or of different materials connected by seams. Some or all of these materials can be designed to fail when contacted by water via dissolution, melting or through some other destructive process initiated by contact with water. Some or all of the materials comprising the protective barrier can be designed to fail at a certain temperature. This failure can create access points from the ceiling through the protective barrier to the area being protected by the barrier, which can allow water from a fire suppression system to reach a fire located below the protective barrier.

Abstract: A firestopping apparatus including a sleeve with at least one pair of airflow-blocking elements, at least one element of which is movable towards, and away from, the other element.

Abstract: An insulated fire door includes a door shell having spaced first and second exterior panels and a gypsum panel between the first and second exterior panels. The insulated fire door includes a plurality of spacers bonded across an interior side of each of the first and second exterior panels. The spacers maintain the gypsum panel in a spaced position from the interior sides of the first and second exterior panels as the door bows during a fire on one side of the door, until the gypsum disintegrates. Each of the spacers may have a flat portion contacting the gypsum panel, a leg extending from the flat portion spacing the gypsum from the interior sides of the first and second exterior panels, and a flange extending from the leg bonding the spacer to the first and second exterior panels.

Abstract: A foam filler is provided with a base for forming a foam and placed inside a hollow structure having a through hole. An opening having an area larger than the opening of the through hole is created in the base and surrounding the through hole. The foam filler is provided with an upper wall which follows the flow and the thermal expansion of the base at the time of heating. The upper wall closes at least part of the opening of the through hole when following the flow and the thermal expansion of the base, and thus prevents the base from entering into the through hole. The upper wall is provided in a peripheral portion of the opening and placed in a part of an area surrounding the through hole.

Abstract: A fire-rated receiver channel includes at least one intumescent or other fire-resistant material strip. The receiver channel can nest with a framing member, such as metal tracks, headers, header tracks, sill plates, bottom tracks, metal studs, wood studs or wall partitions, and placed at a perimeter of a wall assembly to create a fire block arrangement. In other arrangements, a track assembly includes two nested tracks, an inner track and outer track. The assembly is designed so that the outside width of the outer track is equal to or less than the outside width of the inner track to present a substantially flush external surface for attachment of exterior sheathing elements when the assembly is used in an external wall.

Abstract: A fire barrier operable to be placed within a gap formed between two surfaces. The fire barrier may generally include a first intumescent section, a first foam section coupled with the first intumescent section, and a second intumescent section coupled with the first foam section generally opposite the first intumescent section. In some embodiments, the fire barrier may include a plurality of intumescent sections and a plurality of foam sections with each foam section being positioned between at least two of the intumescent sections.

Abstract: A fire barrier operable to be placed within a gap formed between two surfaces. The fire barrier may generally include a first intumescent section, a first foam section coupled with the first intumescent section, and a second intumescent section coupled with the first foam section generally opposite the first intumescent section. In some embodiments, the fire barrier may include a plurality of intumescent sections and a plurality of foam sections with each foam section being positioned between at least two of the intumescent sections.

Abstract: A fire-rated angle piece and wall assemblies or other assemblies that incorporate the fire-rated angle piece, in which the angle piece can include an intumescent or other fire-resistant material strip. The angle can be attached adjacent to a corner of a framing member, such as metal tracks, headers, header tracks, sill plates, bottom tracks, metal studs, wood studs or wall partitions, and placed between the framing member and a wall board member at a perimeter of a wall assembly to create a fire block arrangement. A fire spray material can be applied over a portion of the angle piece.