Abstract: A decompression panel is releasably secured in a decompression opening of a partition structure by means of mounting elements that can release the panel in either a blow-in or a blow-out direction. A perimeter frame bridges the area at the perimeter of the panel and overlaps the edges of the panel and of the partition structure around the decompression opening. Respective pairs of mounting elements are arranged near the edge of the panel and the edge of the partition structure to releasably secure the perimeter frame to the partition structure and to the decompression panel. Each mounting element includes a bolt and a retaining device including two conical sleeves arranged one within the other. The bolt is screwed into the inner sleeve and the inner sleeve is releasably connected to the outer sleeve by frangible safety tabs, which break at a rated force to release the bolt and thereby free the decompression panel and allow it to be displaced out of the decompression opening.

Abstract: A fence system including a frame and a plurality of foraminous panels attached to the frame. The foraminous panels are constructed with continuous integral strands forming a zig-zag pattern defining cell apertures therebetween which are connected by integral bonds extending between each of the strands. The cell apertures define a non-circular interior shape. A fastener of the fence system has a shank, a head attached to one end of the shank, and may include a shoulder positioned between the shank which is shaped to cooperatively engage a cell aperture. The foraminous panels are attached to the frame with a portion of each neighboring panel having an overlapping area through which fasteners are inserted and attached. A reinforcing assembly including at least one reinforcing member attached over each overlapping area and may be attached over other joints or edges to provide added security. An angled top edge cap is attached along a top end of the foraminous panels and is angled to deter climbing.

Abstract: A one-piece, durable plastic block for forming concrete structures wherein uncured concrete is poured into the block which has been laid in brick-like fashion with a plurality of similar blocks, and where the block becomes an integral part of the resulting concrete structure providing strength thereto. The block has a generally rectangular shaped housing with an open top and bottom. Lateral tensive strengthening is provided by a plurality of cross straps disposed across the open top and bottom of the block and include a connecting device to attach to overlying or underlying blocks. Each end wall of the block has a connecting device for attaching it to the end wall of an adjacently placed block. There is also a notch at the top and bottom of each end wall providing for the continuity of concrete between blocks and to allow the installation of reinforcing bars across this interface.

Abstract: A fence system including a frame and a plurality of foraminous panels attached to the frame. The foraminous panels are constructed with continuous integral strands which are connected by integral bonds extending between each of the strands. The integral strands form a zig-zag pattern defining cell apertures therebetween. The cell apertures define a non-circular interior shape. A fastener of the fence system has a shank and a head attached to one end of the shank. A shoulder positioned between the shank and the head is shaped to cooperatively engage a cell aperture for preventing rotation of the fastener when engaged with a foraminous panel. The foraminous panels are attached to the frame with a portion of each neighboring panel having an overlapping area through which fasteners are inserted and attached. An angled top edge cap is attached along a top end of the foraminous panels and is angled to deter climbing.

Abstract: A tile application backing material is disclosed having as an object thereof to greatly simplify tile allocation, positioning, and affixing and the like, and to strongly affix tiles and backing material to a laying surface; in order to achieve this object, this tile application backing material is formed with a plurality of frame members disposed extending along sides of tiles having a polygonal shape, said frame members being connected at mutual points of intersection; these frame members comprise a base portion which is in contact with a laying surface and dividing plate portions which are disposed thereabove. By means of this, after allocation has been determined by means of this backing material, in a state in which this backing material is temporarily attached to a laying surface to which tiles are to be applied, adhesive is allowed to flow into a plurality of regions demarcated by means of the dividing plate portions and by means of the inlaying of tiles, tile application is easily accomplished.

Abstract: A portable security wall for isolating an area on the ground includes an enclosure wall comprised of a plurality of sections, a plurality of post members for mounting the wall on the ground, and a plurality of weighted post support members for supporting the post members. The wall can be made of separate rigid sections or, alternatively, a continuous flexible band with a plurality of longitudinally-spaced pockets for receiving the post members. The pockets define the sections of the wall. The wall can also be made of separate flexible sections which may be wound on or unwound from elongated shaft members by applying a rotary force, e.g., through use of a motor. The wall may be made tall to block the public's view of the area and two tall walls may be connected together to form a canopy.

Abstract: A deck floor system for use in constructing a patio deck consists of a series of individual modules, each secured as a unit to the floor joists. Each module is constructed of a series of side-by-side floor members. The floor members are secured together into the module by threaded fasteners, which extend through spacers located between each floor member.

Abstract: The steel coffer is provided in the form of a box-like coffer element (1) of great load-bearing capacity, having a wall (2), flat per se, and a circumferential, multiply-folded edge section (3), which has stiffening sections (4) fastened underneath the coffer wall (2), has perforations (5) and connecting holes (6) in the circumferential edge section (3) and has, in the corners, notches (7) for folding the edge sections (3) and for insertion of the supports (8).

Abstract: For use in a panel locking system a connecting means (or connector) comprising a pin having two ends and having disposed proximate one end a first laterally or radially extending appendage and proximate the second end a laterally or radially extending second appendage, said appendages extending laterally (or radially) away from the pin, each appendage being radially offset a predetermined number of degrees about the circumference of the pin from the other appendage, each appendage having at least one end and having disposed proximate each end, cam portions for engagement with cam surfaces disposed proximate first and second channels or openings of a panel system, said first appendage being radially oriented extending substantially normal to the central axis of said pin in a first direction and said remaining appendage being radially offset, said pin having disposed intermediate its ends between the appendages detent means for rotating said pin when assembling said furniture system; whereby rotation of said pi

Abstract: A structural member having a elongated front panel with lateral ends. Side panels extend generally perpendicularly from the front panel at each of the lateral ends; each of the side panels has a generally Z-shaped portion, a first flange at the end of each side panel extending toward the other side panel generally parallel to said front panel, and a second flange at the end of the first flange generally perpendicular thereto extending away from the front panel. Adjacent cooperating structural members are nestable with each other at the Z-shaped portions thereof with the first and second flanges of nested side panels cooperating to form a receptacle for a stud or joist to form a wall or a floor/ceiling combination for a rapidly constructed pre-fabricated structure.

Abstract: An edge connector for connecting structural members at their adjacent edges is disclosed, including a base extending transversely between its edges, a support wall integral with the base and extending away from the base on one side thereof, the support wall extending generally parallel to the base edges and being positioned between the transverse center of the base and one edge; and a tongue integrally connected at one end to the support wall, extending from the support wall to a free end thereof; and spaced away from the base and positioned between the transverse center of the base and the other edge of the base on the side of the center opposite the one base edge, the tongue and the base defining a recess therebetween to receive the tongue of a mating connector.

Abstract: A system of surface tiles for flooring or the like, and the method of their installation. The tiles each include a backing board, a number of spaced parallel stationary slats fixed on the backing board, and a longitudinally movable slat in each space between successive stationary slats and dovetailed between them. The movable slats are movable to stagger their ends relative to the ends of the stationary slats, and to extend from one tile to the next to interlock the tiles. Tiles are installed by: a. placing a number of tiles in a longitudinal row; b. moving the movable slats of a single working tile to desired staggered positions relative to the stationary slats; c. cutting the working tile transversely into tow end pieces; d. placing one of the end pieces on one end of the row with its cut edge outward of the row; e. moving the movable slats of the row to fill empty spaces between stationary slats; and f.

Abstract: A deck structure primarily of aluminum members is assembled in modular panels, with each panel formed of a series of edge to edge deck planks connected into cross members at each end of the planks. Panels are connected lengthwise by interconnection of cross members at the ends of adjacent panels. In a preferred embodiment the cross members are connected by an interengaging flanges, and a plastic wedge is forced between the cross members to prevent disconnection. Preferably no welds are used in assembly of the aluminum frame structure, and the weldless deck structure has very good resistance to cyclical stresses particularly in a marine environment. Another important feature is that the panel framing members actually become structural supporting members in the assembled deck.

Abstract: A self-locking panel assembly for use as ceiling panels comprising a plurality of panel units. Each panel unit formed ou of on or more panel elements and a rail extending across the panel elements.The rail is formed out of a lower section and an upper section that are offset from each other such that at one end of the unit the lower section forms a tongue sticking out, and at the opposite end, the upper section, in combination with the panel element, forms a slot dimensioned to receive the tongue. The ends of the rail are complementary and nonlinear such that they fit together. The panel units of this invention are installed in place. The rail of a first panel locks in place with the rail and panel element of the adjacent panel. The edges of the adjacent panels are thus restricted from movement so as to limit the individual free movement of separate panels.

Abstract: An extruded, modular panel unit, made of at least two sheet-like major surfaces inter-connected and spaced apart by a plurality of ribs dividing the space delimited by the major surfaces into a plurality of subspaces, and at least two pairs of spaced-apart, ridge-like joining projections extending in direction of extrusion, the two pairs of projections being located at one edge of the panel units. The joining projections rise from an outside face of one and the same major surface and point in the same direction, and in assembly the outside surfaces of the outer projections of the pairs of projections are in substantially direct contact with similar surfaces of coplanarly adjacent panels.

Abstract: A panel module having special support means by which adjacent and coplanar panels are effectively interlocked so that they are not relatively translated even by significant loading intermediately of their locations of external support. Thus a very lightweight panel nature may be provided, for ease of installation and removal, thus particularly beneficial for decking sections of an installation for such uses as poultry raising.A lip-like wall is provided to extend horizontally from each of the upper and lower portions of an edge of one panel, and its adjacent panel is provided with a vertical wall which in installation nests snugly between the lip-like walls; and extra certainty and positiveness of the interlocking effect is provided by a hook-like formation of one of the lip-like walls.

Abstract: A panel for a raised floor of a clean room, such as for a semiconductor manufacturing facility, comprises tubes (2) whose open ends (3) are slipped over respective spacers (4) of spacer bars (5), providing cross-connection and support for said tubes (2). No welding or adhesives are needed. The size of the panel can be conveniently changed or adapted in the plant or in the field.

Abstract: A security cell is adapted for expedient assembly in existing walled buildings and is primarily constructed of substantially identical wall and ceiling panels that are assembled adjacent existing walls and windows with connectors that are unexposed and inaccessible to the inmate.

Abstract: A tailgate for a pickup type vehicle comprised of separate closure members arranged end-to-end and having adjacent ends abutting and rigidly secured to each other to form a single tailgate. Since the tailgate is comprised of separate closures, it can be easily shipped. The closure members can be readily assembled by the user and be used to replace existing tailgates. Moreover, due to the fact that the closure members may be covered with permeable material, it is well suited as a low drag replacement tailgate.

Abstract: A pair of self-supporting exhibit frames formed of a plurality of pairs of crossed rods are constructed so as to be moved between a collapsed position at which the rods are disposed in a compact bundle of side-by-side rods and an erected position at which each exhibit frame includes a lateral upstanding side defined by at least two crossed rods disposed in a generally X-shaped pattern, the exhibit frames being positioned with their lateral upstanding sides immediately adjacent each other and with the X-shaped rods aligned, and at least one bracket spanning the lateral upstanding sides, the bracket including at least two slots and preferably four slots disposed with one pair of slots along each of two side edges of the bracket, and the slots being sized to snugly frictionally grippingly engage the X-shaped rod to thereby maintain the exhibit frames locked together in adjacent upstanding relationship.

Abstract: A walkway on a rooftop comprises expanded metal planks supported by U-shaped support stands disposed transversely with respect to the length of the planks. The planks have alternating rows of ridges and valleys, both of which have transverse slits. The planks are connected to the support stands by T-shaped bolts whose crossbars are rounded. The shanks of the T-bolts pass through the slits in the valleys and the crossbars nestle within the valleys in rotatably slidable engagement with the metal.

Abstract: An extended surface fluid contact plate which includes a plurality of vertical fins oriented in parallel relationship and multiple horizontal fins, also mounted in parallel relationship, with two sets of diagonal fins interconnecting the intersecting vertical and horizontal fins at junctions to provide an extended surface fluid contact matrix. Pins project in spaced relationship from selected locations on the face of the plate and cooperating pin slots are provided in selected junctions in the back of the plate for receiving the pins, to join individual fluid contact plates together in front-to-back, vertically staggered relationship. T-connectors and cooperating T-slots are provided at the top and bottom of each fluid contact plate, respectively, in order to facilitate stacking and connecting the plates in vertical, end-to-end relationship and separate rows of fluid contact plates are aligned to provide a cooling or mass transfer medium of desired size and thickness.

Abstract: This modular element is particular suitable for equipping false ceilings, partition surfaces and non-structural walls in general. The element comprises a main body having, on its outer surface a pair of male connection elements and a corresponding pair of countershaped female connection elements. Each of the male connection elements comprises a flat ribbing extending from the outer surface of the main body and has, on an edge thereof opposite to the outer face, a substantially cylindrical enlargement, while each of the female connection elements comprises a tubular lug having its longitudinal axis parallel to the enlargement of the male connection element. The lug of the female connection element, on a side thereof opposite to the outer surface has a longitudinal slit extending from an open end of the lug for accommodating the ribbing of an adjacent modular element.

Abstract: A thin plate structure such as a deck structure for, for instance, a footbridge comprises at least two abutting and substantially horizontally arranged profiled girders. Each girder comprises at least two substantially vertical plate-shaped side members. The girders are interconnected two by two by means of a plurality of connection fittings in these side members. These connection fittings are formed by locking lifting and comprising at least one downwardly pointing locking tongue cut out in one of the side members of each girder. Along a preferably horizontally extending bent bending area the locking tongue is bent in an offset manner outwards. The locking tongue co-operates with a locking tongue opening punched out opposite the locking tongue in the abutting side member of the adjacent girder as well as with at least one upwardly pointing locking gill punched out of one of the side members in each girder.

Abstract: A skylight system for standing seam metal roofs, shingle roofs and sun roofs in which sheet plastic skylights having upstanding edges are provided. In one embodiment, a skylight is installed in a roof formed from metal standing seam panels. In another embodiment, a skylight is installed in an opening in a shingle roof in which step flashing is used to form a standing seam with the skylight upstanding edges and a watertight joint with the roof shingles. Another embodiment utilizes the skylights in which the flat edges are formed by folding over to make lateral joints between adjacent skylights while longitudinal joints are formed by abutting the upstanding edges to thereby produce a sun roof.

Abstract: A stacking element comprising interconnectable panels, each consisting of at least two wires or bars bent in the plane of the panel, said wires or bars being interconnected with interposition of at least one wire or bar bent in the shape of a U, substantially projecting at the bottom from the two wires or bars bent in the plane of the panel. On the upper elements there may be provided set and/or floor portions which may be fitted at the top with recesses or the like for mounting chairs thereon.

Abstract: There is provided a new and useful building component comprising a first series of elongated members arranged in parallel spaced apart relationship, at least two sets of aligned openings extending transversely through the first series of members, a second series of at least two elongated members extending substantially through respective ones of the sets of openings, and means for securing the first set of members to the second set of members in said parallel spaced apart relationship.

Abstract: An interlocking wooden mat assembly for supporting heavy equipment and vehicles around oil field drilling sites and the like comprises a three layered lamination of substantially parallel and closely spaced wooden planks forming each layer. Selected planks of the top layer are offset longitudinally and extend beyond the intermediate layer at one end to provide a male extension on one end and a female recess at the other end. Selected planks of the intermediate layer are offset laterally to extend beyond the surface and underlying layers at one side to provide a male extension on that side and a female recess at the other side. The surface layer has one less plank than the underlying layer to provide an exposed area on the side of the intermediate layer and to expose recessed areas on one side plank of the underlying layer. The mats may be removably secured together in end-to-end and edge-to-edge relation by the male extensions fitting the female recesses and being nailed together at the point of overlap.

Abstract: A modular reinforcing grid for reinforcing and supporting a bed of mortar on a supporting surface. The grid is made up of thin strips positioned on edge and arranged to define openings of geometric shape. Mounting posts form junctions between adjacent strips to provide uniform depth to the grid. The exposed edges of the strips and the upper surfaces of the mounting posts lie in approximately the same plane to provide a grid for floating the mortar to a uniform depth. The grid is molded in uniform sizes and shapes with interlocking edges to provide continuous reinforcement and support for the mortar bed.

Abstract: There is provided an extruded, modular panel unit for the construction of wall-surface portions, especially of light-transmitting wall-surface portions. The panel comprises two sheet-like major surfaces interconnected and spaced apart by a plurality of web-like ribs dividing the space delimited by the major surfaces into a plurality of subspaces, and at least one joining flange extending in the direction of extrusion and projecting at an angle from an edge of the panel unit. In cross section, the sheet-like major surfaces and the ribs form a truss-like structure of which the major surfaces constitute the chords and the ribs constitute the webs.

Abstract: A framework block or brick consisting of modular elements of formed sheet steel or aluminum and having the shape of a rectangular parallelepiped comprising: two identical, pyramid-shaped elements symmetrically disposed and composed each of a rectangular base frame defining the facing surface of the walls and corner elements or ribs forming the four opposite semidiagonals of the brick which are connected to the corners of the base frame, and four angle bars having substantially a C-section and connected to the corners of the respective base frame and provided with holes for the connection of the blocks to one another by fastening means. The elements or ribs intersect in a flattened central portion provided with holes for the connection of said ribs and the elements to one another by fastening means.

Abstract: A method and apparatus for the construction of a flooring system for use at a construction site such as an oil well drilling site. The flooring system is formed by interlocking a plurality of flooring units. Each of the flooring units includes a rectangular base section and a surface section attached to and overlaying the base section. One end of the rectangular base section is aligned with one end of the surface section which has at least one open-ended locking slot along its length. Located on the opposing end of the surface section is at least one locking tab formed from the surface section and projecting beyond and above the edge of the base section. The locking tab is aligned with the locking slot of the flooring unit. The method of constructing a flooring system utilizing such units includes positioning one unit, with the use of a lifting device such as a crane, adjacent to a second flooring unit and inserting the locking tab of the first unit into the adjacent second unit.

Abstract: A modular member for forming composite false-ceilings comprises two paired mating male and female cylindrical hollow lugs, each pair being provided with locking elements formed with holes for suspension elements, an annular ridge being furthermore provided as a rest for a cylindrical element included for aesthetic purposes or for a closing cap.

Abstract: A connector device for interconnecting a pair of adjacent floor mats wherein the mats are of the type having a rubberized base portion with a plurality of apertures therethrough and a plurality of supporting feet which extend integrally downwardly from the base portion to maintain it in upwardly spaced relation to a supporting surface. The connector device includes a connector body and a plurality of upwardly extending connector elements which are attached to the body. The connector elements are receivable in apertures adjacent the peripheries of a pair of abutting floor mats with the connector body extending between the mats. Plugs or the like are permanently securable in the connector elements in one of the mats to permanently secure the connector device thereto.

Abstract: An interlocking panel and panel track system which includes at least one frame having a plurality of upright members with first and second end portions, a first and second connector plate member engaging the upright members at the first and second end portions, respectively, the first and second connector plate members each including a flange portion and a notched portion and a plurality of projecting members connected to the upright members and cooperatively engaged with at least one of the first and second connector plate members. A method of assembling the wall panel includes cooperatively connecting at least one of the first and second connector plate members to one end portion of the upright members so as to engage the plurality of projecting members and cooperatively engage the flange portion of the first frame with the notched portion of the second frame and with at least one of the plurality of projecting members so as to interconnect the first and second frame.

Abstract: A wooden mat assembly is disclosed for construction of temporary roadway surfacing, such as can be used to form a roadway or assembled to form a flat platform surface where wheeled or tracked vehicles can be turned around. The wooden mat assembly is formed from interlocking mats, each mat being formed from a plurality of layers or boards, each layer being formed from boards parallel to each other and perpendicular to boards forming the adjacent layer, the layers being fastened together at points of intersection by screw shank nails or other fastening means. The assembled roadway or turn-around has particular utility at or near oil well drilling sites, building construction sites, and the like.

Abstract: A modular flooring for installation on a subfloor and a method for producing it is disclosed. Each modular elongated section is substantially a U-shaped with the central part of the U being the weight bearing floor section.A series of parallel slots is formed perpendicular to the elongated dimension, in the weight bearing surface of each floor section. The parallel slots each are formed having side members which are folded down so as to achieve a slot which eliminates the presence of fractured metal or cutting edges along the weight bearing portion of the floor section. On one of the supporting side walls of each floor section is punched a pair of slots. On the other supporting side wall of each floor section is punched a pair of locking tabs. The floor sections may be placed adjacent one another so that the tabs extending from the side wall of one floor section will interlock with the slots punched in the adjacent side wall of the next floor section.

Abstract: A grating plate includes a succession of opposed symmetrical pyramids having arms connected at their tops with wax-drop shaped reinforcing elements. Fixing means are provided on the sides for connecting a plurality of grating plates together.

Abstract: Reinforced concrete is prepared by embedding within it a reinforcing element of at least one rigid plastic gridwork (which is optionally filler reinforced) of integrally molded struts.

Abstract: An improved woven wire partition that includes a frame fabricated of at least one channel member, that channel member opening outwardly relative to the center of the frame. A woven wire panel is connected with the frame, wire ends of the woven wire panel passing through holes in the channel member's center web and being folded over that center web to maintain the woven wire panel in connected relation therewith. At least one novel U-shaped clip is mounted in the trough of the channel member by frictionally interposing the clip's base between a folded wire end and the channel member's center web. The U-shaped clip's legs are sized to extend beyond the side edges of the channel member, and are configured to be received in an interference fit relation with the sides of an outwardly opening channel member of an adjacent woven wire partition when the two channel members are bolted together in side edge-to-side edge relation.

Abstract: A flooring element having a moulded body and a partially raised surface which is of a material having a relatively high coefficient of friction, preferably the elements are provided with interlocking lugs so that a floor covering can be built up from a number of them.

Abstract: A kit for constructing a decorative polyhedral structure is described in which a plurality of interlocking planar matrices are provided, each matrix being in the shape of a polygon with at least two straight isosceles sides and having interstices in which a fusible or settable plastic decorative material is introduced and set prior to construction of the polyhedron shape.

Abstract: A steel mesh system for reinforcing concrete for airport landing strips and the like, comprising at least two mesh sections, each including separate groups of spaced apart parallel steel bars positioned perpendicularly to each other and welded together at their intersection, placed side by side, and rigid brackets securing peripheral aligned rods at adjacent sides of the mesh sections together. Each bracket is substantially U-shaped defining a recess to receive the peripheral rods and includes two leg portions separated by a connecting portion. One of the leg portions of each bracket is undercut so that the opening of the recess is of smaller extent than the bottom of the recess. A set screw having a convex end extends through the free end of the other leg of the U-shaped member outwardly of the recess with respect to the center of the parallel bars positioned within the recess.

Abstract: A decorative stone or tile, preferably for the fortification of sloping surfaces such as embankments, banks, or the like, which consists of parallel ribs and crosspieces extending at right angles to the ribs with several of the ribs projecting beyond the outer crosspieces and several crosspieces projecting beyond the outer ribs. The projecting ends of the ribs and crosspieces are provided with either grooves or tongues corresponding to the grooves. The grooves or tongues are formed respectively by boundary surfaces extending vertically to the stone surface and are arranged in an alternate pattern about the periphery of the stone or tile. At least one extension is provided between the projecting ends of the externally disposed ribs and crosspieces. The extension is shorter than the length of the projecting ends of the ribs and crosspieces. The extension includes an end face which extends parallel to the vertical plane in which the crosspieces and/or ribs extend.

Abstract: The specification discloses a prefabricated wall system providing a wall frame to which plastering or a covering of dry wall sheeting may be applied. The system includes a series of wall frame sections, preferably formed from steel channel members, which sections are spaced apart and supported therebetween by channel spacers having stop means which abut the sections. Each wall frame section has vertical studs secured at top and bottom by horizontal stringers. The stringers may include an elongated slot extending for their complete length to admit utility connections within the wall and to allow cutting and telescoping of the stringers for shortening the wall section. Concealed, slotted channels may be secured to the studs intermediate the edges of the sheet covering material to provide support for shelving along the finished walls.

Abstract: A lattice assembly for carrying tiles and electrical and electronic components comprises a plurality of star-shaped lattice elements each having a plurality of arms whose outer ends constitute connecting portions formed with downwardly extending arc-segmental tabs. These connection portions are connected together at anchors each formed with a central cylindrical upstanding abutment body adapted to engage snugly against the ends of a plurality of arms and formed with a plurality of arc-segmental recesses each adapted to receive a respective tab. In addition each connection portion is formed with a split pin having barbs and adapted to be received within sockets in the anchor so that the connection portions can be snap-fitted to the anchors. The elements are each provided at their central node with a spacer body having a height perpendicular to the plane of the element equal to half of the height similarly measured of the anchor so that two such groups of such elements can be mounted together back-to-back.

Abstract: Multiple plastic molded squares with means to interlock strips of the same so the entire surface expands and contracts during changes in temperature without creating distortion. The top surfaces are rough and under the top surface there are a plurality of projections for supporting the playing surface raised from an underlying base surface.

Abstract: An improved system for forming concrete walls and roofs, such as for one and two story dwellings. A prefabricated frame assembly is formed of a plurality of pheripheral frame sections. Each frame section includes peripheral frame members. The vertical members are J-shaped. The short legs of the J-shaped members support reinforcing rods and the long legs are adapted to support tie rods in the same horizontal plane as the reinforcing rods. Vertical reinforcing rods are secured to and across the first reinforcing rods, thereby to form an open reinforcing network. The frame members provide surfaces to which panel board may be secured. A plurality of the frame sections positioned, as on a slab, are connected to a frame assembly by short tie rods. An array of frame sections and frame assemblies, after paneling has been applied internally, provides a skeleton reinforcing network to which concrete may then be applied to form a reinforced concrete structure.