Abstract: An energy-saving billboard module includes a solar energy module, a billboard, a light-emitting element, a storage cell, and a controller, which are accommodated in an outer frame. The billboard is adhered on the solar energy module and has transparent patterns. A light sensor is disposed on a top of the outer frame for sensing the luminance of sunlight to generate a sensing signal. The solar energy module receives sunlight and generates an electric power to charge the storage cell for outputting another electric power. The controller and the light sensor are supplied with the electric power outputted from the storage cell. The electric power of the storage cell is controlled by the controller based on the sensing signal so as to enable the light-emitting element to generate an emitting light for irradiating onto the billboard, so that the patterns of the billboard can be displayed.

Abstract: Disclosed is an advertising apparatus capable of motion sensitive illumination and 180° viewing, which includes a top piece, a bottom piece, a back piece, one or more front side pieces capable of edge illumination, wherein the top piece, the bottom piece the back piece and the one or more front side pieces are mechanically coupled together to form the assembled advertising apparatus, and a universal mounting system base plate reversibly coupled to the back piece. In addition, an advertising apparatus capable of motion sensitive illumination and 180° viewing includes an illumination source for illuminating the front side pieces, a motion sensor, for detecting motion of a potential customer, and a power source to power the advertising apparatus, wherein the illumination source and the motion sensor are coupled to the power source.

Abstract: A double umbilical identification device mother-infant, includes: an identification armband (1) for the mother provided with irreversible closing element (4, 5) and with an identification code (8); a first umbilical clamp (2) and a second umbilical clamp (3) for the newborn, irreversibly marked with the same identification code (8) of the armband (1); wherein the armband (1) is connected to the clamps (2, 3) by connecting rings (6, 7) made out of easily removable plastic material, characterized in that the device includes a sterile bag (200) connected by a first ring (6) to the armband (1), the sterile bag (200) containing the first clamp (2), and a second sterile bag (300) being connected by a second ring (7) to the first clamp (2), the second sterile bag (300) containing the second clamp (3). A mother-infant identification method making use of a double umbilical device is also described.

Abstract: A picture frame display device is provided that can be detachably secured to the sun visor of an automobile. The front face of the device features at least two windows adapted to display 4?×6? photographs, artwork, or postcards. These windows are surrounded by a border of synthetic leather. Pictures are inserted into the window by means of an opening along the back of the device which is constructed of a rigid material covered with synthetic leather. A storage pocket is located on a side of the frame, lying between the front and back portions and is large enough to accommodate the storage of pictures not being displayed at the time. Elastic straps attached to the back of the device provide a means for securing the same to a sun visor.

Abstract: A lockable safety selector switch adapted to replace a manufacturer's original safety selector switch for a firearm having a selector detent pin with a tip. The lockable safety selector switch has a body adapted to selectively orient between a SAFE position that prevents the firearm from firing and a FIRE position that allows the firearm to fire, and a locking mechanism configured to operatively associate with the firearm selector detent pin to selectively lock the body in the SAFE position. The locking mechanism has a spring-loaded cam that operatively interfaces with a key to prevent unintentional locking or unlocking of the locking mechanism. The lockable safety selector switch is configured such that the firearm requires no modification for the lockable safety selector switch to replace the original safety selector switch.

Abstract: A lockable safety selector switch adapted to replace a manufacturer's original safety selector switch for a firearm having a selector detent pin with a tip. The lockable safety selector switch has a body adapted to selectively orient between a SAFE position that prevents the firearm from firing and a FIRE position that allows the firearm to fire, and a locking mechanism configured to operatively associate with the firearm selector detent pin to selectively lock the body in the SAFE position. The lockable safety selector switch is configured such that the firearm requires no modification for the lockable safety selector switch to replace the original safety selector switch.

Abstract: A lockable safety selector switch adapted to replace a manufacturer's original safety selector switch for a firearm having a selector detent pin with a tip. The lockable safety selector switch has a body adapted to selectively orient between a SAFE position that prevents the firearm from firing and a FIRE position that allows the firearm to fire, and a locking mechanism configured to operatively associate with the firearm selector detent pin to selectively lock the body in the SAFE position. The locking mechanism has a spring-loaded cam that operatively interfaces with a key to prevent unintentional locking or unlocking of the locking mechanism. The locking mechanism is operated by a key adapted to operate a handcuff lock. The lockable safety selector switch is configured such that the firearm requires no modification for the lockable safety selector switch to replace the original safety selector switch.

Abstract: A multiple cartridge assembly is described which facilitates speed loading of a four barrel less than lethal gun. Four less than lethal cartridges are attached to the multiple cartridge assembly and arranged to correspond with the breech of a four barrel less than lethal gun. Each less than lethal cartridge is constructed with a projectile which when fired has a velocity which will not kill an individual struck by the projectile. The less than lethal cartridge has a rim which is deeper or thicker than a rim on a conventional lethal cartridge. The caliber of the cartridge is also selected so that regular lethal ammunition is not available in this caliber. The preferred caliber of the less than lethal cartridge is 0.490. The less than lethal cartridge contains a polymeric projectile or alternatively, a sealed filled polymeric pouch containing shot therein.

Abstract: This disclosure relates to an apparatus for mounting a camera onto a firearm and an associated device for capturing images and recordings of a firearm target. The apparatus allows for easy attachment of cameras of varying sizes onto the scope of a firearm and along the same longitudinal axis of the scope. The apparatus comprises a sleeve connected to a scope of a firearm, the sleeve being hallow and having a longitudinal axis longitudinal axis forming an unobstructed axial bore and generally coaxial with a longitudinal axis of the scope; a base member with a hole and adapted to receive a camera with the hole of the base member positioned adjacent to the lens of the camera and the longitudinal axis of the camera lens is generally coaxial with the longitudinal axis of the scope.

Abstract: A method and apparatus for attaching a standard mounting rail to a handgun. Such method and apparatus providing for quicker and cheaper modification of the handgun and its accessories. This method and apparatus connects the standard mounting rail system to the handgun at two points rather than at the traditional one point, increasing reliability and stability.

Abstract: The waterfowl decoy support is formed of a length of stiff rod configured to support a ballasted flotation-type decoy above a land or water surface. The decoy support may have an elongated upper slot adapted to slide over the keel of the ballast weight of the decoy, or may have an upper support arm extending from the upper end of the rod, the uppermost end of the arm terminating in an eye. The eye provides a non-rigid connection to an eyebolt or the like secured to the back of the decoy, allowing the decoy to move in the wind. The lower end of the rod either may have a spike for insertion into the ground or a generally horizontal loop for placement on the surface of the ground.

Abstract: The present invention describes a bug interception device that is designed to capture crawling bugs, for example, arthropods such as bed bugs, as they walk around an infested structure. One or more embodiments of the present disclosure may be found in a circular device, for example, a device with a circular footprint as it sits on the floor. One or more embodiments of the present disclosure may be found in a pyramid device, for example, a device with a square footprint and a three dimensional shape resembling a pyramid. One or more embodiments may include one or more outer access surfaces adapted to allow bugs to crawl up onto the device. One or more embodiments may include one or more rims adapted to cause bugs to fall into a capture well.

Abstract: A self-opening insect trap and lure is described which may be packaged such that, when opened, the trap deploys and the lure becomes available.

Abstract: A barrier that deters slugs and snails from foliage considered a mollusk food source. The barrier is recycled plastic and manufacturable in multiple lengths and depths. The barrier top-edge length has an inverted “u” shaped chamber serving as the dry staging area (“Chamber”) for the slug and snail deterrent. The entire underside width and length of the Chamber is spanned by mesh (“Mesh”) The Chamber minimizes exposing the deterrent to watering and rainfall moisture. The Chamber can stage a variety of deterrents and baits. The inventor recommends rock salt be the deterrent; the Chamber substantially reduces sodium chloride leaching into the soil. Slugs and snails must navigate the Chamber and Mesh to enter the protected area becoming exposed to rock salt.; the sodium chloride causes water to leave the mollusk body owing to osmosis and leads to complete dehydration.

Abstract: A method and system for desalting a fuel having a salt therein is disclosed. A jet of superheated steam is provided at a selected pressure and fuel is drawn into the jet of superheated steam to form a mixture of the fuel and the superheated steam. The mixture is injected into a centrifuge to desalt the fuel.

Abstract: A high octane non-leaded gasoline meeting ASTM D910 LL standard is provided that includes a base gasoline fuel having a minimum MON of 96.5 and meeting the ASTM D910 standard. An octane-boosting component is mixed with the base gasoline fuel that raises the MON above 99.6 and the blended fuel complies with ASTM D910. The octane-boosting component is selected from a group including an additive, TEL only and a TEL containing gasoline.

Abstract: The present disclosure identifies methods and compositions for modifying photoautotrophic organisms as hosts, such that the organisms efficiently convert carbon dioxide and light into n-alkanes, and in particular the use of such organisms for the commercial production of n-alkanes and related molecules.

Abstract: According to one embodiment, a process for treating an organic feedstock is disclosed. The organic feedstock including a convertible component is preprocessed to increase the concentration of the convertible component. The organic feedstock is processed to convert at least a portion of the convertible component to a fuel and the fuel is extracted from the organic feedstock.

Abstract: Fine coal is cleaned of its mineral matter impurities and dewatered by mixing the aqueous slurry containing both with a hydrophobic liquid, subjecting the mixture to a phase separation. The resulting hydrophobic liquid phase contains coal particles free of surface moisture and droplets of water stabilized by coal particles, while the aqueous phase contains the mineral matter. By separating the entrained water droplets from the coal particles mechanically, a clean coal product of substantially reduced mineral matter and moisture contents is obtained. The spent hydrophobic liquid is separated from the clean coal product and recycled. The process can also be used to separate one type of hydrophilic particles from another by selectively hydrophobizing one.

Abstract: Provided is a green pellet (10) which comprises: an inner core layer (11) containing an iron oxide-containing starting material, a carbonaceous material for reduction, and a slag-forming agent; and a coating layer (12) disposed so as to encapsulate the surface of the inner core layer (11), wherein the coating layer (12) is formed from a protective layer (12a), which is disposed so as to encapsulate the surface of the inner core layer (11) and which contains an inorganic compound (includes an alkali metal oxide) having a melting point that is 750° C. or greater but less than 1100° C., and a combustion layer (12b), which is disposed so as to encapsulate the surface of the protective layer (12a) and which contains the carbonaceous material.

Abstract: A photovoltaic module for an agricultural greenhouse includes a front plate, intended to be in contact with the sunlight, a back substrate and an assembly of photovoltaic cells arranged between the front plate and the back substrate. The photovoltaic module has a cell packing factor of substantially between 0.2 and 0.8, and includes at least one layer of a light-cascade doped material enhancing photosynthesis for absorbing the sunlight in at least one range of wavelengths for retransmitting same in at least a second range of wavelengths, enhancing the photosynthesis of at least one plant species.

Abstract: A cooling apparatus (1) includes a cooling section (10) and at least one cooling gas supplying section (3) which (i) has at least one spout hole (34c) for spouting a cooling gas to the outside, and (ii) sprays the cooling gas, which has been supplied from cooling section (10), locally onto a plant (101) by spouting the cooling gas from the at least one spout hole (34c).

Abstract: This invention concerns apparatus for growing plants comprising a column (100) of pots (102) stacked one above the other to define an enclosure for housing plants. Each pot (102) defines a chamber (104) for holding a plant. Separators for separating pots of the column are provided and the separators define an enclosed headspace around a top of at least two of the pots where plants project from the chamber. The chamber comprises a passageway (106) that provides a continuous flow path for air through the column (100) without requiring the air to flow through the chamber (104). This flow path includes the headspaces above the at least two of the pots (102).

Abstract: A system to prevent the improper installation of a safety circuit used to keep an automatic door from closing on an obstruction includes an automatic door operator for opening and closing the automatic door. A sensor system is provided for allowing the automatic door operator to close the automatic door whenever no obstruction is under the automatic door. The sensor system further prevents the automatic door operator from closing the automatic door whenever an obstruction is under the automatic door. Further, the sensor system prevents the automatic door operator from closing the automatic door when the sensor system is improperly installed such that an obstruction under the automatic door is undetectable.

Abstract: A window unit (102), comprising: a first sheet (301); a second sheet portion (304); a third sheet portion (308); and an actuation means. The first sheet (301) defines first high transmittance regions (302A, 302B) and first low transmittance regions (303A, 303B). The second sheet portion (304) is positioned substantially parallel to the first sheet, and defines second high transmittance regions (306A, 306B) and second low transmittance regions (307A, 307B). The third sheet portion (308) is positioned substantially parallel to the second sheet portion, and defines third high transmittance regions (309A, 309B) and third low transmittance regions (310A, 310B). The actuation means (507, 523, 524) is configured to simultaneously move the second sheet portion and the third sheet portion from an open configuration, to a closed configuration. In the open configuration the second and third high transmittance regions are aligned with the first high transmittance regions.

Abstract: A door opening spring assistance apparatus is set forth that will automatically apply a door opening assistance force using a combination of rods and coil springs. The release of the rods by the coil springs reduces the force required to set the door in motion.

Abstract: A window regulator for a vehicle, includes a slider fixed to a slide windowpane which moves up and down in a vehicle door; a guide rail which is fixed to the door panel, extends in an up/down direction of the slide windowpane and supports the slider; a wire orientation changing member provided the guide rail; a drive wire which is wound around the wire orientation changing member, wherein the drive wire moves up and down with the slider; a drive drum which moves the drive wire up and down; and a slide contact portion which is provided on the guide rail, extends in the up/down direction and is greater in length than the slider in the up/down direction, wherein the slider slides on the slide contact portion when the slider moves up and down.

Abstract: A door assembly for an instrument cabinet includes a door element having a first side edge and a second side edge opposite the first side edge adapted for installation in a predetermined orientation, at least two first withdrawable pins in a region of the first side edge and at least two second pins which form a pivot axis in a region of the second side edge, wherein, in an extended condition, the first pins are in communication with a first depression in the instrument cabinet to prevent the door element pivoting about the pivot axis and, in a withdrawn condition, extend out of the first depression to permit the door element to pivot about the pivot axis, at least one handle element having a fixed part that secures to a front side of the door element and a movable part that mechanically couples to the two first pins, wherein actuation of the movable part allows the first pins which are coupled thereto, to move into a retracted condition, wherein the door element and/or the handle element are of symmetrical c

Abstract: Provided is a door opening/closing structure in which the attachment/detachment of the door is easy in the rotatably opening/closing door. In the door opening/closing structure, an axial member attached to a door and an axial member attached to an object to which the door is attached are arranged to oppose each other in at least one position of the rotatably fixed door, wherein one of the two axial members comprises a magnet and the other comprises a magnetic body or a magnet which attracts each other with the magnet.

Abstract: A window latch for a sliding window having a sliding sash including a latch plate and a housing. The housing includes an engagement element movable relative to the housing from a locked position operatively engaged with the latch plate to an unlocked position disengaged from the latch plate. A handle is operatively coupled to the engagement element and movable from a first position to a second position in a first direction corresponding to the direction the sliding sash to which the handle is attached moves to an open position. The handle operatively moves the engagement element from the locked position to the unlocked position as the handle is moved in the first direction toward the second position.

Abstract: The invention relates to the adjusting and locking of the position of a guide rail for a movable window pane in a vehicle door. A device, a vehicle door equipped therewith and a tool provided for the adjusting and locking are disclosed. In the vehicle door, a first mounting plate mounted on the rail side and a second mounting plate mounted on the door side are provided, which are connected to one another by screw-fastenable mounting means. One of the mounting plates comprises an engaging element for an eccentric lever, which on rotation brings about a mutual translational displacement of the mounting plates in an adjusting (Y) direction.

Abstract: A glass run capable of being readily attached to corner parts of a door frame of a door of a motor vehicle such that an end edge of a corner cover of the glass run can be securely engaged with an end of a corner piece. A corner cover adapted to cover a vehicle-exterior surface of the corner piece like an arcuate configuration is formed in a corner section of the glass run. An arcuate end edge of the corner cover defines a corner cover lip for contacting an end of the corner piece, and a corner cover engaging wall is formed in the corner cover so as to protrude inwardly from a vehicle-interior surface of the corner cover lip. The corner cover engaging wall and the corner cover lip define an engaging groove, and a plurality of corner cover inclination ribs are formed so as to respectively have an inclined surface connecting the corner cover engaging wall and the vehicle-interior surface of the corner cover lip.

Abstract: The invention relates to a structure based on glass strand coated with a resin composition which comprises the following constituents in the proportions indicated, expressed in percentage by weight of solid matter: 75 to 98% of a mixture of at least one novolac having a glass transition temperature lower than or equal to 60° C. and at least one novolac having a glass transition temperature above 60° C., 0.5 to 10% of at least one wax, 1 to 15% of at least one crosslinking agent chosen from imines and modified melamines of formula: in which R1, R2, R3, R4, R5 and R6, which are identical or different, represent a hydrogen atom or a —CH2OH, —CH2OCH3 or —CH2OCH2OCH3 radical, at least one of the radicals R1 to R6 being other than H, 0 to 10% of at least one plasticizing agent. The invention also relates to the resin composition suitable for producing the reinforcing structure and bonded abrasive articles incorporating such a structure, in particular abrasive grinding wheels.

Abstract: The invention relates to an elastically deformable composite material suitable to be processed further into sheet-like abrasive products, comprising a sheet-like supporting base coated or impregnated with a prepolymer material which obtains thermosetting properties when thermally post-cured, or consisting of a coated or impregnated supporting base, characterized in that the supporting base comprises at least one layer of bonded fibers selected among inorganic fibers and organic synthetic fibers, if necessary mixed with natural fibers. Moreover, it relates to a method for the manufacture of the composite material.

Abstract: Disclosed is a rain gutter system that permits the gutter to be inverted, comprising a section of rain gutter that is supported on either side by a rotating assembly that includes a means of rotating the gutter inline to a downward position. The rotating assembly includes a gearbox that is connected to the gutters, and utilizes a gear mechanism that enables automatic rotation of the gutters. When rotated, the gutters allow loose debris contained therein, such as pine needles and leaves, to fall to the ground without requiring a user to climb to the roof to manually clean an upright gutter. If debris is left behind in the gutter, a hose or power sprayer may be used to clear the gutter of any debris contained therein. Once cleaned, the user may return the gutter to its original position.

Abstract: A temporary radiotherapy facility for use during renovation, upgrading, and/or modernization of an existing facility. The radiotherapy facility is integrated with radiation producing equipment and radiation shielding vaults. The structural elements and their arrangement enable compliance with applicable codes for this type of facility and provide an ability to maintain radiotherapy treatment continuity during equipment transition.

Abstract: A hyperbaric exercise facility is provided allowing a persons to perform exercises and other activities at increased pressures along with controlled levels of oxygen. Additionally, a catastrophe shelter is provided to protect its occupants from peril.

Abstract: A modular paneling system for modular wall assemblies includes a plurality of panels, each including panel mounting brackets attached to the top, bottom, first side and second side frame members of the panel; a plurality of elongated posts; a plurality of end pieces, each configured for removably receiving and retaining at least a portion of one or more of the plurality of mounting brackets; and a plurality of caps, each configured for removably receiving and retaining at least a portion of one or more of the plurality of mounting brackets. The modular wall is assembled by individually attaching the first and the second side frame members to respective elongated poles, and securing a top cap to each elongated post.

Abstract: The tie rod for structural projects for the protection of structures for earthquake and wind is comprised of a cast iron base (7) which has a bolt (4) passing through a hole, which is surrounded by threaded ring (5) with handles (6). A base plate (2) that sits on the bolt and turns with a ball bearing. A steel cable (9) passes through all; the one end of the cable is fixed to the base (2) with bolts (3). The other end leads to a member with blades around it (10), (12), (13), (14) which open and close around the member (17) with the help of bars (11) connected around the axis of the member with pins. To the other end, they are connected with pins to the blades. The rod presses the structure to the ground by a bolt connected to a cable which pulls a member (17) with blades which open against the sides of a hole drilled on the ground and pull the building towards the ground decreasing torque created by the forces of an earthquake or the wind.

Abstract: A pre-fabricated anchor block is disclosed. The anchor block includes structure that forms at least one multi-facetted channel to receive and capture a rotatable, removable anchor rod.

Abstract: Embodiments of the invention provide systems and methods for mounting a solar panel to a roof of a building or structure. Structures used to mount a solar panel to a roof may include a base having a flange that extends partially or fully around a periphery of the mounting unit, a mounting surface connected with the base and configured to couple with the solar panel so that the solar panel is elevated above the roof's surface and/or oriented at an angle with respect thereto, and one or more walls or members that connect the mounting surface to the base. A flexible membrane or skirt may be coupled with the flange and may extend laterally therefrom. The flexible membrane or skirt may be coupled with the roof to secure the mounting unit and solar panel to the roof.

Abstract: The present invention relates generally to photovoltaic systems. The present invention relates more particularly to photovoltaic roofing systems in which photovoltaic elements are disposed upon roofing elements such as shingles, tiles, shakes or slates.

Abstract: An assembly for securely enclosing a window, door or other opening defined by a structure of a house or other building comprising: a panel sized to substantially cover the opening and engage the structure, the panel having a face having a front and a back and a pair of lateral sides; one or more mounting bars for securing to the panel; one or more installation bars; means for engaging the panel and the structure to securely enclose the opening. The engaging means configured to secure together one of the mounting bars and one of the installation bars and to move the one or more installation bar towards the back of the panel engage and secure the structure between the panel and the first installation bar. A method for installing the panel to the structure of the building to securely enclose the opening.

Abstract: An assembly and method for securely enclosing a door opening defined by a building structure comprising: a frame disposed about the opening engaging one side of the structure; a door or other panel substantially covering the opening, the panel being pivotally secured to the frame and pivotable between an open position and a closed position; an installation bar engageable with the frame to secure the frame to the structure such that the frame and the panel are disposed substantially on one side of the structure and the frame engages the one side of the structure, and the installation bar is disposed substantially on an other side of the structure and engages the other side of the structure, the length of the installation bar exceeding a dimension of the opening; and locking means for selectively locking the panel to the frame in the closed position and for unlocking the door.

Abstract: The present technology provides a glazing anchorage system for interconnecting a glazing unit with a frame of a structure. The glazing anchorage system comprises a glass anchorage connector, a frame anchorage connector and an interconnector. The interconnector is configured to couple the glass and frame anchorage connectors. The glass anchorage connector is fixedly connected to the glazing unit and includes a first elongated connection member. The frame anchorage connector is fixedly connected to the frame of the structure and includes a second elongated connection member. The interconnector is configured to couple the first elongated connection member and the second elongated connection member thus interconnecting the glass anchorage connector and the frame anchorage connector and thereby anchoring the glazing unit with the frame of a structure.

Abstract: A paneled partition assembly is disclosed that can be used to selectively separate a first space from a second space. The paneled partition assembly can cover an opening when in a closed and extended position and uncover the opening when in an opened and retracted position. The paneled partition assembly can include a first panel and a second panel configured such that rotation of a handle on the first panel causes linear movement of the second panel. The partition assembly can include a pair of mating assemblies that selectively move from open and retracted positions on opposite sides of an opening to closed and extended positions in which opposite leading edges abut one another.

Abstract: Modular plastic floor tiles have elongate drainage vents formed to extend from the general upper surfaces of the tiles to general lower surfaces thereof. In a two-shot injection molded embodiment, the vents are laterally spaced from locations of overmolded features, and may be disposed within channels defined by downwardly depending support ribs. In one embodiment, groups of elongate vents are disposed around respective fill points in radiant fashion, so as to minimize the impedance to polymer flow within the injection mold. The vents may be radiussed at the tile's upper surface to enhance their fluid collecting capability.

Abstract: A floor covering formed by a plurality of panels each having two opposite edges arranged to couple adjacent panels to each other. The coupling parts include a tongue and a groove, as well as locking parts preventing the drifting apart of two such adjacent panels. A separately manufactured insert is provided between at least two of the coupled panels, and the tongue and groove. The insert comprises at least two portions functioning as fixed spacing elements with a first portion between the upper side of the tongue and the lower side of the upper lip, and a second portion between the locking parts.

Abstract: A construction element for forming an expansion joint, wherein the construction element acts as a physical and chemical barrier against the penetration of insects, in particular termites, into a structure, the construction element comprising a closed cell polymeric foam containing at least one insecticide substantially distributed throughout the polymeric foam; wherein on at least one outer surface of the construction element there is a water resistant adhesive attached thereto and a removable cover releasably attached to the adhesive whereby the removable cover is adapted to be removed upon application of the casting element.

Abstract: A composite membrane of wood floor diaphragm for construction of new buildings and strengthening of existing buildings to provide improved load transfer capacity and enhanced resistance to gravity and lateral loads, such as earthquake and/or wind for buildings with wood floor framing. The aforementioned composite membrane is a system, comprised of four-way interlocking mosaic end grain parquet floor attached to a plywood subfloor beneath. A floor to floor sound blocking barrier that can operate in high eighty decibel and above range may preferably be installed under the subfloor.