Abstract: An outdoor cabinet and a top structure thereof are provided. The top structure of the outdoor cabinet includes a top beam, wherein the top beam is a bending plate; the number of the top beams is at least two, one of two connected top beams is provided with a first locating breach, and the other is provided with a first protruding portion in cooperation with the first locating breach for locating. Compared with that the top beam in the conventional art is a flat plate, the top structure of the outdoor cabinet provided effectively improves the strength of the top beam by designing the top beam to be the bending plate, which improves the strength of the overall top structure, reduces the influence on the hoisting of the outdoor cabinet, and improves the flexibility of the hoisting of the outdoor cabinet.

Abstract: A composite structural member for a building structure comprises a first elongate portion having a first end region and a second end region and a second elongate portion having a first end region and a second end region. The second end region of the first elongate portion is connected to the first end region of the second elongate portion so that the composite structural member provided thereby is substantially longer than either of the first and second elongate portions. The first elongate portion may comprise a first member suited for resisting high magnitude forces and the second elongate portion may be a second member, less well suited for resisting high forces but having lower cost per unit length. The composite structural member may be a rafter, especially a rafter of a portal frame.

Abstract: A building module for use in construction of a structure incorporating a plurality of said modules which together form at least part of the structure. Each building module comprises a first peripheral frame of a first size defining a space which receives a layer of barrier material, a second peripheral frame of a second size defining a space which receives a layer of barrier material and which is joined at a first junction to the first peripheral frame of the first size in abutting end to end relationship to form a first auxiliary module. A third peripheral frame has the same size as the first peripheral frame and which defines a space which receives a layer of barrier material. A fourth peripheral frame has the same size as the second peripheral frame and which defines a space which receives a layer of barrier material and which is joined at a second junction to the third peripheral frame of the first size in abutting end to end relationship to form a second auxiliary module.

Abstract: A corner assembly for a portable shelter is disclosed herein. The corner assembly includes a corner connecting member configured to couple a support post member to one or more roof frame members of a portable shelter; and a corner trim member configured to be coupled to the corner connecting member, the corner trim member configured to be secured to the corner connecting member by a user disposed in the interior of the portable shelter. In one or more embodiments, the corner assembly further includes a support post member, the support post member configured to support a roof frame structure of a portable shelter. The corner connecting member may include a downwardly extending flange configured to extend along an interior surface of the support post member. The corner trim member may be configured to be coupled to the downwardly extending flange of the corner connecting member.

Abstract: A joint device includes a main fixing plate, an auxiliary fixing plate, and a fastener. The main fixing plate has a vertical wall disposed between a longitudinal beam and a transverse beam, a first extending wall extending towards a side of the longitudinal beam from the vertical wall and crossing over and abutting against an upper portion of the longitudinal beam, and a second extending wall extending towards a side of the transverse beam from the vertical wall and crossing over and abutting against a lower portion of the transverse beam. The auxiliary fixing plate is disposed in an open groove of the transverse beam in a way that the transverse beam is clamped between the auxiliary fixing plate and the vertical wall of the main fixing plate. The fastener secures the longitudinal beam, the transverse beam, the main fixing plate and the auxiliary fixing plate together.

Abstract: A modular platform including a multiplicity of elongate interior frame members and elongate perimeter frame members forming a grid frame adapted to receive floor panels within interstitial zones. The modular platform may be elevated relative to the underlying ground to provide a level support surface even if the ground is not level. The modular platform is adapted to accommodate solid walls if a semi-permanent or permanent structure is desired. The platform may be easily assembled in various sizes and may be disassembled for reuse.

Abstract: A free-standing continuous wall assembly includes two end members, one or more intermediate members, a plurality of panels disposed in a vertical plane, each panel defining a one-piece sheet being sufficiently flexible to develop a concave shape when being supported in a horizontal plane at a pair of opposite edges thereof, and fasteners fastening each panel directly to one of the two end members and one intermediate member or directly to two intermediate members. The panel may be provided as a one-piece sheet that may be one of a peg board, slat board, chalk board, cork board and dry-erase board and any combination thereof.

Abstract: An easy-to-assemble, easy-to-break down boltless shelving system including a rack and shelves on which articles can be stored and displayed. The boltless shelving system has upstanding corner posts located at the four corners of the rack by which back and side panels can be slidably and removably attached to the rack to enclose three sides thereof. Each upstanding corner post of the rack has a pair of flat faces that extend from one another at an angle. The outer ends of the flat faces are bent to form longitudinally-extending flanges that run along opposite sides of each of the corner posts. The flanges have a generally L-shaped profile to create guide channels. Panels are pushed downwardly and into receipt by the guide channels of opposite facing flanges of a pair of adjacent corner posts, whereby to enclose the rack of the shelving system on any number of sides thereof.

Abstract: Aspects of the invention are directed to a connector that connects a first flat member and a second flat member. The connector can include a support portion, a first arm, connected to the support portion, and defining a first arm channel. The connector can also include a second arm, connected to the support portion, and defining a second arm channel, the second arm being apart from the first arm. An opening is defined, in part, by an edge of the support portion, and edge of the first arm and an edge of the second arm. Also, the first arm channel an the second arm channel and the support portion are shaped and configured such that the first flat member can be positioned, in part, within the first arm channel, and extend through the opening, and the second flat member can be positioned, in part, in the second arm channel.

Abstract: An apparatus constituting the walls and frame of a building with a series of interlocking panels, preferably composed of two sheets of metal, bound together by polyurethane foam injected between them. The panels are secured to the floor via metallic columns found at each juncture between two panels. Electric assemblies and setups, as well as plumbing outlets are preinstalled within the panels, facilitating rapid installation. Windows, doors, and A/C vents are also crafted into the panels at their inception, prior to their transport to the construction site. It is the intent of the present invention to provide an avenue for affordable, durable, and efficient housing that may be constructed quickly with minimal effort in the absence of heavy machinery, and without any advanced tools.

Abstract: The Vinyl Siding Outside Corner Mounting Block, made of molded plastic, nailed approximately two feet apart to the outside verticle corner of a structure with one 8d box nail, makes the application of the vinyl siding outside corners simple, fast and accurate.

Abstract: A prefabricated building component, e.g. for incorporation in a wall, a floor, a roof or another building component, comprises a frame formed by lengths of lumber with heat insulating foam material provided in spaces between the lumber so as to form a heating insulating barrier. To reinforce the frame against racking forces, a reinforcement sheet of fiber reinforced composite material is provided on the barrier and the lumber at least one side of the frame.

Abstract: A modular structure assembled with different prefabricated and measured interlocking component elements made from a light-weight synthetic material. The component elements, including vertical stud members, horizontal support members, wall truss support members, rafter members, slip connector members, corner connector members, and a center truss support member, are assembled in an interlocking manner with optional secondary fastening components for further securing of the elements together upon assembly where local building codes require such secondary fastening. The component elements are resistant to weather, rot and insect destruction and the assembly of the modular structure does not require tools or labor required in the assembly of structures using conventional building materials or lumber.

Abstract: According to the invention, a system for supporting a floor structure from a central structure is disclosed. The system may include a plurality of receptacles and a plurality of support members. Each of the receptacles may be located within a corner of an exterior perimeter of the central structure. Each of the receptacles may also at least partially define a cavity which may open to two different sides of the central structure. Each of the support members may be configured to pass through the cavity of at least one of the receptacles. Furthermore, each of the support members may be configured to be supported by at least one of the receptacles, and extend outward from two different sides of the central structure. The support members may further be configured to support the floor structure on two different sides of the central structure.

Abstract: In a preferred embodiment, a joint for joining a first panel and a second panel of a portable restroom includes a first jaw section, a second jaw section, and an outer bumper section. The first jaw section is adapted to allow insertion and removal of the first panel along a first axis and to provide engagement to the first panel in all directions perpendicular to the first axis. The second jaw section is adapted to allow insertion and removal of the second panel along a second axis and to provide engagement to the second panel in all directions perpendicular to the second axis. The outer bumper section has a first edge connected to the first jaw section and a second edge connected to the second jaw section.

Abstract: A jig adapted for easily positioning, properly orienting and installing a molding. The jig includes a body having a positioning portion configured to receive a molding. The body also includes a first positioning margin and a second positioning margin each emanating from the positioning portion, the positioning margins being configured so as to be substantially perpendicular to each other. The jig facilitates placement of the molding at a proper installation angle at a juncture of two surfaces, such as a ceiling and wall.

Abstract: A swimming pool construction is of the type using metal fabricated walls and a plastics liner covering the walls and a rigid excavated pool base. The metal fabricated walls include spaced inner and outer panels defining therebetween a crawl space. The inner panels define the inner surface of the pool. The outer panels engage the surrounding soil. The panels are mounted on support members and rails supported on pairs of piles at spaced positions around the periphery of the pool. The panels are supported initially on bottom rails which are used as forms to cast a concrete layer therebetween. The panels are supported in spaced positions temporarily by a rigid arch form into which is cast a cast concrete arch allowing the rails and the arch form to be removed for re-use. The arch is cast integrally with a concrete floor which sits on supporting panels bridging the rails and resting on flat top supporting surfaces of the concrete piles.

Abstract: A system for boarding up a store front window, and more specifically a corner bracket for use in removably supporting a panel respective an opening formed by a store front frame having corners. The panel temporarily closes the opening while avoiding damage to the frame, and preventing intrusion through the store front frame. The corner bracket has spaced parallel flanges connected by perpendicular load bearing wall members. One bracket is received at each corner of the store front frame and the load bearing wall members bear against adjacent frame members that form a corner. One of the flanges engage an interior surface of the frame while the opposed flange is attached to the panel. This causes the corner bracket to urge the panel against the exterior wall surface of the frame. The panel can be of an area greater than the area defined by the inner periphery of the frame to bring the marginal edge of the panel into engagement with the exterior frame face.

Abstract: A cabinet which is demountable. Walls (11) of the cabinet (10) are joined edge to edge by join elements (12). At the apex (15) of each intersection of the walls there is a retainer (14). The retainers (14) prevent the joiner elements from being removed. One of the retainers which is the last to be installed when the cabinet is assembled is lockable. The retainer (16) needs to be unlocked and removed before any of the joiner elements (12) and retainer elements (14) can be removed to disassemble the cabinet.

Abstract: In a light-tight enclosure, elongate members and joint connectors are joined to one another to form a framework to which panels having projecting ribs with right-angled corners are mounted. Each elongate member is extruded from aluminum so as to have open ended grooves. Each joint connector is fabricated from aluminum so as to have open ended grooves, some of which have right-angled corners conforming to right-angled corners of the projecting ribs. At each joint where elongate members and a joint connector are joined, the open-ended grooves merge with one another so as to define continuously extending grooves receiving the projecting ribs of the panels mounted to the framework at the joint. Some joint connectors are employed as corner connectors while other joint connectors are employed as edge connectors.

Abstract: A sloped roof is supported on a horizontal upper surface of a support structure which has a trough on the upper surface. The sloped roof comprising two rafters disposed slant and extending substantially coplanar with each other, each rafter including a rafter gutter extending longitudinally thereof; two purlins each extending between the rafters to thus provide a plurality of openings, each purlin including a purlin gutter extending longitudinally thereof; a plurality of glazing panels fitted into the openings; and means for joining lower ends of the rafters to the horizontal upper surface of the support structure. The lower ends of the rafter gutters are exposed over the trough so that rain infiltrated into the sloped roof and water condensed on the underside of the glazing panels can be drained smoothly into the trough.

Abstract: A wall panel assembly for use in providing an open plan system to define separate areas. An L shaped connector bracket is utilized to join two panels together in an L configuration, three panels together in a T configuration, or four panels together in an X configuration. In each case one leg of the bracket is secured to an end edge of the first wall panel and the other leg of the bracket is secured to the end edge of a second panel. Where only two panels are being joined in an L configuration, a ball end edge of an L shaped trim post is positioned at one end edge in a socket groove defined by the connector bracket and rotated to bring another ball end edge of the trim panel into snapping coaction with a socket groove defined on another end edge of the connector bracket.

Abstract: A prefabricated building system having a variety of structural bearing panels/frames shaped and designed for direct interconnection with one another. Each panel has an upper stud and a lower stud joined by at least one vertical stud. Only one vertical stud is used if the panel is to be joined, along the vertical edge that lacks a vertical stud, to another panel. The vertical edge having a vertical stud may or may not be interconnected to another panel. If the vertical stud is to be joined to the vertical stud of another panel, that stud must be designed for direct connection with that other panel. One such vertical stud is "" or "" shaped, carrying male connection elements for interconnection along the edge of a panel that does not have a vertical stud. The connection elements may also be carried by the upper stud, the lower stud, or by both the upper and the lower stud.

Abstract: A connector for connecting a column with two beams in a building unit constructed with a plurality of columns and beams connected to each other comprises a core portion having the same sectional shape as the column and a branch portion having a web and parallel flanges enclosing the web in a right angles state, so that two surfaces of said core portion relate to the web and flanges in a state contacting to each other at right angles.

Abstract: A coved corner facility for providing a sealed work area to handle, manipulate and formulate materials which includes a walled enclosure having a plurality of mutually adjoining generally planar walls which define a work area. The planar portions of at least a plurality of mutually adjoining pairs of the walls intersect at angles of less than about 135.degree.. Each of the plurality of adjoining pairs of the walls are connected by preformed generally arcuate transition areas extending continuously between the planar portions of the adjoining pairs of walls. An inlet port in the walled enclosure is provided for allowing air to flow into the work area. An outlet port is provided in the walled enclosure for allowing air to flow out of the work area. An air flow control device causes air to flow through the inlet port into the work area and out of the enclosure work area through the outlet port.

Abstract: On a side face of a corner bracket are formed a common insertion hole for a bolt, a stepped portion having a contact face and a contact edge which come to contact with a side wall of a strut and a side board of a shelf board, a strut projected portion engageable with an engaging hole defined in the side wall of the strut, and a board projected portion engageable with an engaging hole defined in the side board of the shelf board. The stepped portions are formed so as to extend entirely over a lower portion of the side face and to project outward. The side face of the corner bracket extends outside a line connecting between the strut projected portion and the board connecting portion formed thereon. Accordingly, the corner bracket is capable of reinforcing effectively a joint portion of the shelf board and the strut in a simple construction, and of preventing effectively an undesirable shaking of this joint portion.

Abstract: A wall system for clean rooms employs an elongated framing member having four channels each with a thread slot in the bottom of the channel. This four channel arrangement facilitates the concealment of the fasteners and brackets used to join framing members to one another.

Abstract: A rigid intersection connection including three intersecting elongated wood structural members and a rigid connector made from a single sheet metal blank which requires no welding. The rigid connector includes a pair of angular members joined in angular relationship and joined at a common outer edge. The rigid connector more specifically includes structure for engaging two sides of one of the elongated wood structural members and three sides of two of the elongated wood structural members. The disclosure includes a log holder, a table, a bunk bed, and a greenhouse or garden structure as examples of structures which can be readily constructed from the rigid intersection connections.

Abstract: A rigid intersection connection including three intersecting elongated wood structural members and a rigid connector made from a single sheet metal blank which requires no welding. The rigid connector includes a pair of angular members joined in angular relationship and joined at a common outer edge. The rigid connector more specifically includes structure for engaging two sides of one of the elongated wood structural members and three sides of two of the elongated wood structural members. The disclosure includes a log holder, a table, a bunk bed, and a greenhouse or garden structure as examples of structures which can be readily constructed from the rigid intersection connections.

Abstract: A modular system of coordinated, interlocking building elements for display fixtures, which include a variety of extruded metal parts, assembled by means of various connectors that attach to the extrusions by means of set screws or snap-ins and provide a framework for holding glass panels, shelves, brackets, light fixtures and the like.

Abstract: A control cabinet with a rack composed of a plurality of horizontal and vertical frame pieces, enclosed by a plurality of wall elements and a cabinet door, where a mounting plate, which has sliders with guide receptacles on their undersides, can be fastened parallel to a rear wall element. Each frame piece has two adjacent sides which are disposed perpendicularly to each other and have identical rows of fastening receivers. The two adjacent sides of each frame piece form an inner edge oriented towards an interior of the control cabinet. At least one of the horizontal frame pieces comprises a depth brace and a guide rail with a guide bar disposed parallel to the depth brace. In the course of inserting the mounting plate into the rack the guide receptacles of the sliders receive the guide bars of the guide rails and the sliders are displaceable on the guide bars.

Abstract: A rigid intersection connection including three intersecting elongated wood structural members and a rigid connector made from a single sheet metal blank which requires no welding. The rigid connector includes a pair of angular members joined in angular relationship and joined at a common outer edge. The rigid connector more specifically includes structure for engaging two sides of one of the elongated wood structural members and three sides of two of the elongated wood structural members. The disclosure includes a log holder, a table, a bunk bed, and a greenhouse or garden structure as examples of structures which can be readily constructed from the rigid intersection connections.

Abstract: A modular structure comprising a metal frame consisting of tubular elements with rectangular cross sections, welded to each other by means of gusset plates, wherein the tubular elements are interrupted at the point of the juncture of one frame with an adjacent one, the free spaces provided in this manner being occupied by joining pieces.

Abstract: A vehicle chassis constructed of metal frame elements which are joined together by connecting node elements (connectors). The node elements are configured as upwardly open molded pieces (shells) When assembled, a bottom surface portion of each node element is received in conforming notches disposed adjacent the outwardly facing end surfaces of the joining ends of abutting frame elements in such a manner that no part of the node element forms the inward facing regions of the vehicle frame defining the windscreens and door openings. Each node element is provided with side projections (tangs) which extend beyond the notch portions of the adjoining frame elements to increase surface contact area between the node element and each frame element. A cover plate or the vehicle body skin is provided to cover the upward facing end of the node element.

Abstract: What has been disclosed are the means and method for erecting a structure of preformed, interlocking structural elements which may be assembled by unskilled workmen. The preformed structural elements are provided in selected color and texture and include insulative coating surfaces. The interlocking mating configurations of the preformed elements assure a structure whose elements are assembled plumb and true by virtue of their longitudinal axes intersecting orthogonally. The erection of offices, storage, and housing facilities is envisioned utilizing such preformed structural elements. The low cost of materials and the ability to erect structures utilizing the efforts of local, unskilled labor responds to existing immediate needs for housing and other building facilities.

Abstract: A corneraide device is provided for finishing joints at the intersection of two or more surfaces. The corneraide includes a substantially planar central web with bead members along the edges thereof. Operatively associated with the bead members and extending therefrom are flange members adapted for alignment with the two or more surfaces. Joint compound, wallboard mud, stucco or some similar formable finishing or coating material is applied over the flange members and fayed from the bead members over the respective flange members to the respective surfaces. The corneraide of the invention permits ready alignment on the intersection and efficient application of finishing material thereon. Various embodiments and adaptations of the invention may be utilized to finish arches, window corners, exposed three-way corners, and other structures.

Abstract: The construction system of the present invention comprises a plurality of connectors and a plurality of struts, each of the connectors including three discrete flat elements interconnected in three mutually perpendicular planes, each of the three flat elements being composed of a semi-rigid material, each of the three flat elements having a plurality of outwardly directed prongs, and each of the struts being tubes into which the prongs project. The three flat elements are connected by engaging notches and slots. The prongs and the struts are connected by engaging catches and apertures. At least two of the elements have central openings presenting internal profiles and outer peripheries presenting external profiles.

Abstract: A structural system of modular components which promotes rapid erection of building type structures is disclosed. The modular building structure system comprises a plurality of beam members, a plurality of column support members, and a connector means for affixing the beam members into a structural gridwork. Each beam member is positioned between and aligned with two nodes of a planar assemblage of interconnected polygons to form a structural gridwork that is congruent with the planar assemblage of interconnected polygons. The column support members are positioned between two structural gridworks and aligned with two nodes, one node being in each structural gridwork. The column support members include endpieces enabling the column support members to be affixed to the structural gridwork. The connector means comprises a plurality of tubular hubs positioned at the nodes of the structural gridworks and a plurality of radial flange sets.

Abstract: A multi-purpose frame structure has basic frame members consisting on the one hand of an octagonal tube and on the other hand of a connector. The octagonal tube is provided on its outer sides with dovetail slots and on its inside with opposed longitudinal engaging surfaces. The connector is in the form of a support with orthogonally disposed legs that can be received in the octagonal tube, each leg having a series of transverse projections which engage the surface projections inside of the tube. A frame may be made up from a number of the tubes and connectors and numerous other fittings may be provided which fit in the dovetail slots.

Abstract: An interior wall partition trim assembly for providing a decorative trim molding at the ceiling-wall junction and corners together with a decorative chair rail trim member for trimming walls and corners intermediate the ceiling and floor, the combination of ceiling trim splice members shaped to fit supportingly inside the abutted ends of elongated hollow ceiling trim moldings and chair rail trim splice members shaped to fit inside the abutted ends of hollow chair rail trim members to position the respective abutted ends in even registration when fastened to a ceiling junction and wall, respectively. The splice members and mounting fasteners are accessible for mounting or demounting by pivotable decorative panels on each ceiling and chair rail trim member which close to hide the respective splice members and fasteners. Right angled corner cap junction members have ceiling trim molding insert adapters. Right angled chair rail corner bodies have chair rail trim member insert adapters.

Abstract: Tubular structural elements and assemblies comprising an outer tube and a concentric inner tube connected to each outer by ribs and having very high stability. Lengthwise recessed groove spaces are provided between the ribs, covered on the outside by removable strips or sectors of the outer tube and designed to receive flat structural elements. One or more of the groove spaces, which are sealed off by the strips or sectors of the outer tube, can be exposed by removal of the covering strips or sectors so that flat structural elements such as walls or facade panels, glass panes, or the like can be inserted where desired. The tubular structural element is sealable at the ends by end caps or sealing elements, or is connectable by axial or branched coupling parts with other tubular sections connectable at various angles, to erect halls, room partitions, pavilions, or the like.

Abstract: An assembly piece for connecting metallic carpentry sections includes an angle piece having two parallel quadrants and an arced middle portion. A flat angle bar defined by two perpendicular portions is attached between the quadrants. A respective perpendicular portion extends from between the quadrants parallel to a respective side of the quadrants. Each perpendicular portion has two radially directed arms separated by a radial space opening away from the other perpendicular portion. With this construction, the two arms of each perpendicular portion are received in suitably provided radial runners of the carpentry section. Each arm also includes an aperture therein so that a screw passing through the carpentry section is received therein to hold the carpentry section to the angled piece. A flat bar extending perpendicular from one quadrant and having an aperture therein is also preferably provided in order to attach another carpentry section to the angled piece.

Abstract: A modular building design includes a building frame construction of superior strength and rigidity with roof, floor and wall panels designed for insertion in modular frame openings. The design permits complete fabrication of all shell components in a central manufacturing facility and is such that the various elements may be shipped or stored in an essentially flat package configuration. The only tools required for erection on the building site are conventional wrenches and nut drivers. The need for skilled workmen at the site is virtually eliminated.

Abstract: A building structure comprises interconnectable structural building elements (1, 2, 3), said structural building elements (1, 2, 3) comprising, for the interconnection, female and male edge portions (4, 5) for engagement with the adjacent structural building elements (1, 2, 3). The structural building elements (1, 2, 3) are formed by two rigid surface layers (6, 7) and a continuous insulating layer (8) located therebetween. The male edge portions (4) are formed by the substantially continuous insulating layer (8) and by the two rigid surface layer (6, 7), each of which comprise a step (9), on the surfaces (10, 11) turned away from the insulating layer (8) in the transition between the male edge portions (4) and the other portions of the structural building elements (1, 2, 3).

Abstract: Corner joiner units for connecting standard two-by-four lumber and the manner of making structures from these is depicted. The corner units are of plastic and have two horizontal sleeves for receiving horizontal two-by-fours and at least one vertical sleeve for receiving the butt end of a vertical two-by-four. The plastic unit includes internal walls and internal openings between the sleeves, so that each two-by-four received in the horizontal sleeves is in direct wood-to-wood contact with approximately half of the butt surface of the vertical two-by-four, so as to directly transfer vertical forces there between, without the joiner unit being subject to such vertical forces. Several variations of such joiner units are disclosed for different types of corners, as is a framework made from such members and two-by-fours.

Abstract: A canopy assembly includes a frame composed of a plurality of elongated elements interconnected to form an array to which a fabric is secured and stretched. Portions of the fabric are secured in tension into corresponding different ones of the elements, and corresponding ends of respective elements are connected together to form the frame. At least some of the elements each respectively have an H-shaped cross-section with space-opposed pairs of each of mutually-spaced legs projecting individually away from respective opposite ends of the crossbar of that cross-section. A variety of different devices may be used alternatively to secure the portions of fabric to the different elements, while creating tension in the fabric. A number of different interconnectors may be used alternatively or in various different combinations to connect corresponding ends of respective different elements in the formation of the frame.

Abstract: A container for confining hydrocarbon spills and the like is comprised of a plurality of portable concrete wall panels which can be hingedly connected to one another by connector members.

Abstract: A sealing system for sealing the joints defined by three intersecting structural surfaces such as the top surface of a tub and two adjoining walls includes three generally L-shaped sealing strips and a corner piece for covering the corner where the joints meet and the end portions of the three sealing strips. The sealing strips and corner piece are held in place against the structural surfaces with a suitable adhesive and have flexible lips along their edges which press against the underlying surfaces adjacent the joints to be sealed. The corner piece has three connected walls, each one generally parallel to one of the three structural surfaces which define the joints to be sealed. Two lands project rearwardly from the corner piece, each land projecting toward a respective one of the structural surfaces. Each land defines the minimum distance between the end of one of the sealing strips and the corner, and between them the lands define a space for receiving the third sealing strip.

Abstract: A frame structure for the construction of a box-shaped casing, in particular for air treatment devices. The frame structure comprises straight profile members (22), on the one hand, and corner elements (50,52) with three mutually perpendicular protrusions, each being connectable to one of said profile elements, on the other hand. Each corner element consists of two parts, namely an external part (50) including the external portions (50a, 50b,50c) of said protrusions and an internal part (52) including the internal portions (52a,52b,52c) of the protrusions. Said protrusion portions together form a closed cross-section fitting internally into the likewise closed cross-section of the profile members (b 22). The profile members can be slid onto the corner element protrusions while simultaneously securing the external and internal corner element parts (50,52).

Abstract: The construction system of the present invention comprises a plurality of connectors and a plurality or struts, each of the connectors including three discrete flat elements interconnected in three mutually perpendicular planes, each of the three flat elements being composed of a semi-rigid material, each of the three flat elements having a plurality of outwardly directed prongs, and each of the struts being tubes into which the prongs project. The three flat elements are connected by engaging notches and slots. The prongs and the struts are connected by engaging catches and apertures. At least two of the elements have central openings presenting internal profiles and outer peripheries presenting external profiles.