Abstract: A construction anchor apparatus includes a main module having first and second wall segments and defining a central longitudinal axis, a first movable support operatively coupled to the first wall segment of the main module and having a first tube segment defining an opening therethrough and a second movable support operatively coupled to the second wall segment of the main module and defining an opening configured for reception of the first tube segment of the first movable support to couple the first and second movable supports. Each of the first and second movable supports configured for longitudinal movement relative to respective first and second wall segments of the main module.

Abstract: A construction anchor apparatus has utility as a safety grip for engagement by construction personnel, and, in addition, a support apparatus for supporting and/or holding construction equipment including ductwork, electrical cables, plumbing, etc. The anchor apparatus is used in conjunction with rebar applied in concrete support walls, floors, ceilings, or other structural elements at a construction site.

Abstract: A construction anchor apparatus has utility as a safety grip for engagement by construction personnel, and, in addition, a support apparatus for supporting and/or holding construction equipment including ductwork, electrical cables, plumbing, etc. The anchor apparatus is used in conjunction with rebar applied in concrete support walls, floors, ceilings, or other structural elements at a construction site.

Abstract: A construction anchor apparatus has utility as a safety grip for engagement by construction personnel, and, in addition, a support apparatus for supporting and/or holding construction equipment including ductwork, electrical cables, plumbing, etc. The anchor apparatus is used in conjunction with rebar applied in concrete support walls, floors, ceilings, or other structural elements at a construction site.

Abstract: A cement form includes a first surface arranged vertically and configured to support a volume of cement, a second surface arranged horizontally and configured to contact a ground support surface. The cement form may include at least one of a foam material and a polymer material. The cement form may include a wedge cross-sectional shape.

Abstract: A form for curable construction materials, comprising an elongated, substantially planar wall having a selected thickness, the wall having inner and outer surfaces, a flange region extending from the wall, the flange region having a flange substantially running the length of the wall, wherein a bore substantially running the length of the wall is formed adjacent the wall and the flange, the flange region further having first and second angled surfaces extending therefrom, wherein a channel extending to the bore is formed between the first and second angled surfaces, wherein one form may be assembled with other forms using pins inserted into respective bores to create a containment system for construction materials.

Abstract: A telescoping concrete form assembly is provided. The concrete form assembly includes a hollow, first member assembly with an elongated hollow body and a generally planar vertical first sidewall, as well as a second member assembly including an elongated body with a medial portion having an outer cross-sectional shape corresponding to the first body inner cross-sectional shape. The second member assembly is slidably disposed within the first member assembly and is structured to move between a retracted first position, wherein the second member assembly is substantially disposed within the first member assembly, and a second position, wherein the second member assembly extends from the first member assembly.

Abstract: A telescoping concrete form assembly is provided. The concrete form assembly includes a hollow first member assembly with an elongated hollow body and a generally planar vertical first sidewall, as well as a second member assembly including an elongated body with a medial portion having an outer cross-sectional shape corresponding to the first body inner cross-sectional shape. The second member is slidably disposed within the first member and is structured to move between a retracted first position, wherein the second member is substantially disposed within the first member, and a second position, wherein the second member extends from the first member. The second body first end is a reduced portion. When the second body is in the second position, the second body is further in an offset position wherein a portion of the second body outer surface substantially aligns with a portion of the first body outer surface.

Abstract: A fixed form suitable for use in framing concrete with arches is described as is an adjustable form and a system for forming concrete. The fixed form has an arch with a fixed radius terminating at arch ends. At least one frame element is attached to the arch wherein the frame element terminates at an arch end at a frame face and the frame face is perpendicular to a tangent of the arch at the arch end. The adjustable form has an adjustable radius.

Abstract: A brace for concrete forms employing first and second form elements includes at least one attachment member adapted and constructed to secure the brace to at least one of the form elements. A span member is connected to the at least one attachment member, and has a length sufficient to hold the first and second form elements apart. At least one article securing mechanism secures the article associated with the concrete form to the brace.

Abstract: A brace for concrete forms employing first and second form elements includes at least one attachment member adapted and constructed to secure the brace to at least one of the form elements. A span member is connected to the at least one attachment member, and has a length sufficient to hold the first and second form elements apart. At least one article securing mechanism secures the article associated with the concrete form to the brace.

Abstract: A brace for concrete forms employing first and second form elements includes at least one attachment member adapted and constructed to secure the brace to at least one of the form elements. A span member is connected to the at least one attachment member, and has a length sufficient to hold the first and second form elements apart. At least one article securing mechanism secures the article associated with the concrete form to the brace.

Abstract: A residential and commercial construction aid comprises a specialized set of clamps and brackets and a system directed thereto for the rapid and accurate set up of perimeter screed forms during concrete forming processes. The specialized components of the present invention include: brackets comprising a tubular shaft affixed to “L”- or “J”-shaped brackets for attachment to the forms; screed rod clamps oriented in a variety of embodiments to anticipate varying installation requirements; and a “T”-handled screw. A unique installation method utilizing the components mentioned above with concrete forms and stakes is also provided.

Abstract: A form for receiving a filler material to create an island is provided. The form is made essentially entirely out of galvannealed steel that is easily paintable. The form has a substantially continuous wall having an outer surface and an inner surface. The wall is made out of a plurality of galvannealed steel wall sections. The wall has a first side and a second side opposite the first side. The inner surface forms an enclosed chamber for receiving the filler material. A first support made out of galvannealed steel is attached to the inner surface of the first side of the wall and a second support made out of galvannealed steel is attached to the inner surface of the second side of the wall. A brace made out of galvannealed steel is disposed between the supports, wherein the brace removably engages the supports.

Abstract: A retainer apparatus and method is disclosed for retaining a form mold in a selected position that includes a beam having a longitudinal axis and a retaining member slidably engaged to the beam allowing for free movement along the longitudinal axis when said retaining member is in a free state. The retaining member has a lengthwise axis substantially perpendicular to the longitudinal axis in the free state, with the retaining member also including a leg substantially parallel to the lengthwise axis, the leg extending from the slidable engagement and terminating in a form mold interface portion. The retaining member also including a head portion extending from the slidable engagement being substantially oppositely disposed from the leg. The retainer apparatus is place into the locked state by applying a force to the leg to substantially lock the slidable engagement and retaining the form mold.

Abstract: The concrete form is a structure having a user-selectable shape allowing for the creation of an opening in a concrete surface, such as a concrete patio, with the opening having the user-selectable shape. The form includes a plurality of wall members, which are joined together to form a closed continuous wall having the user-selectable shape. The wall members are each secured to the ground, and the user pours liquid concrete on the ground exterior to the closed continuous wall. The closed continuous wall defines the opening and prevents flow of the liquid concrete within the opening. Following hardening of the concrete, the form may be removed, leaving an opening in the concrete surface, having the user-selectable shape, in which the user may plant flora and the like.

Abstract: A landscape edging form assembly for forming a concrete edging in place, includes first and second sidewalls and a series of flexible connectors extending between and interconnecting the sidewalls. The flexible connectors are spaced apart from each other in the direction of the length of the landscape edging form and enable the landscape edging form to be extended from a non-erected width where the flexible connectors are in a slack condition to an erected width where the flexible connectors are in a taut condition. Preferably, the sidewalls and the interconnecting flexible connectors of the landscape edging form assembly are a prefabricated component of the assembly. Another form assembly includes bendable sidewalls, spacers, and positioning brackets and is used to form a sinuous concrete landscape edging in place.

Abstract: Disclosed is a formwork element (1) which can be assembled with other formwork elements (1) so as to form a formwork structure. A formwork shell (4) having an adjustable curvature is supported by means of back supports (5) so as to create a stiff formwork element (1) that sustains concreting pressure. The supports (5) have a preferably trapezoidal cross section and are provided with fastening flanges (6) on the edges thereof and at least one girder (7) that is located at a distance from the formwork shell (4). The length of the girder (7) is adjustable in order to set or modify the curvature of the formwork shell (4) which is mare of steel or plastic. Intermediate pieces (9) are disposed between the fastening flanges (6) of the supports (5) and the formwork shell (4). The fastening flanges (6) are fixed to said intermediate pieces (9) so as to be pivotable or tiltable relative thereto about the longitudinal direction thereof.

Abstract: A concrete forming panel and its method of use is provided wherein the forming panel has a face plate including a frame, a front side and a back side, and one or a plurality of pairs of ribs which extend longitudinally along the back side. The pairs of ribs are provided sufficiently closely together to grip an element passing through the face plate or to grip a wedge which in turn engages the element. The element may be a nail, stake, or other fastener used to hold the forming panel in the ground, to connect the forming panel to other forming panels, or to indicate a desired level for concrete poured against the front side to be cured and hardened into a finished structure, such as a foundation for a building. The ribs may be provided with slots for receiving a reinforcing element of a relatively harder material, and the reinforcing element may be shiftably received in the slot so that its position may be changed as the reinforcing element wears during use.

Abstract: The formwork system is based on the use of modules that can be coupled to each other, both laterally and vertically, with each one comprised of a pair of metal sheets (2) that determine the inner and outer faces of the formwork, with threaded transverse rods (25) that join the sheets (2) to each other, and welded to the outer sides of these are a series of trapezoidal profiles (7) and two edge profiles (7′). The system includes stiffeners (10) that are provided with tensioning devices, with the stiffeners (10) connected to the trapezoidal profiles (7) by triangular plates (13) on which act the tensioning devices in order to move these triangular plates and thereby to curve the panel, maintaining the curvature in the blocked position by means of a device installed between the triangular plate (13) and the corresponding trapezoidal profile (7) and by another tensioning device (12) applied to the stiffeners (10).

Abstract: An expendable article for forming the side edge of a poured in place concrete structure, the article comprising a fabricated, elongated hollow box having three interconnected sides that together define in cross section a triangular shape, including an hypotenuse side and a base side and having vertically aligned apertures in the said sides for receiving therethrough a retaining stake.

Abstract: A locking device for use with a concrete framing structure having a plurality of frame panels which form opposed first and second sides. The locking device includes a first locking half having a first mounting member and a first clamping member mounted to the first mounting member and a second locking half having a second mounting member and a second clamping member mounted to the second mounting member. The first mounting member rigidly holds one of the frame panels of the first side of the concrete forming structure and the second mounting member rigidly holds the opposite frame panel of the second side of the concrete forming structure. The locking device also includes means for clamping the first clamping member to the second clamping member such that the first mounting member is locked at a predetermined distance from the second mounting member.

Abstract: A paving assembly including a plurality of paving elements interconnected by a joining mesh. The mesh has a number of spaced-apart flat portions between the paving elements and a number of reinforcing portions of generally triangular shape extending into the body of the paving elements. A mold base has recesses to receive settable cementitious material and an insert tool is used to insert the mesh into the settable material. On setting, the paving assembly thus formed is readily removed from the mold base by inverting the base.

Abstract: A spacer for use in maintaining inner and outer concrete form walls at a specified uniform spacing. The spacer includes a screw shaft having a right hand threaded portion and a left hand threaded portion; a first nut threadably mounted on the left hand threaded portion; a second nut threadably mounted on the right hand threaded portion; a first spacer plate secured to and extending downwardly from the first nut; a second spacer plate secured to and extending downwardly from the second nut; and a stabilizer and stiffener assembly including a male guide structure secured to the first nut and including a rod extending generally parallel to the screw shaft and a female guide structure secured to the second nut and defining a socket telescopically receiving the free end of the rod.

Abstract: A fastening fitting is formed of a U-shaped fastening portion with a straight portion and a narrow mouth for holding a member therein, a linearly extending portion extending from the straight portion to be bent with respect to a plane including the U-shaped fastening portion with an angle between 80 and 130 degrees, a reinforcing member-tightening portion extending upwardly from an end of the linearly extending portion with an angle between 85 and 110 degrees with respect to the linearly extending portion, and a horizontally protruding portion protruding outwardly from the end of the linearly extending portion substantially parallel to the plane including the U-shaped fastening portion. The linearly extending portion, the reinforcing member-tightening portion and the horizontally protruding portion intersect at one point. The fastening fitting can be used easily together with molding frames and a separator.

Abstract: Standard height wall form panels for poured concrete walls are extended with cap panels positioned on top thereof and secured thereto with cap clips which can be conveniently and easily installed and disassembled with the wall form panels. Furthermore, a spreader is used to maintain the spacing of the cap panels and provide a uniformly dimensioned concrete wall. Advantageously, the spreader in one embodiment allows a worker to pass a trowel there beneath to smooth out the top surface of the poured concrete wall.

Abstract: Disclosed is a non-loose hardware type traffic separating median barrier comprising having a male interlocking structure on one end and a female interlocking structure on the other end. In a preferred embodiment, the male interlocking structure comprises a "T" section extending from the end of the barrier and the female interlocking structure comprises a vertically extending steel tube with a slot in the external portion thereof. The "T" section of one barrier can be vertically engaged with the slot and tube section of an adjacent barrier so as to interlock the barriers together. In a preferred embodiment, reinforcing bars lock the interlocking structures into their respective barriers and, in a further preferred embodiment, reinforcing bar serves to interlock the male and female interlocking structures of a single barrier.

Abstract: A hot-mix motorized paver is used to deliver fresh pervious pavement mix to form one or more lanes of pavement. The paver is supported on ski-type support runners on parallel side forms. A compacting roller is connected to the paver and rolls along the top of each side form to compact the fresh pavement down to the top of the forms. Indentations are cut into the fresh compacted pavement by rolling a hand powered roller, containing a pointed hoop, across the fresh pavement at select locations to form expansion joints. The pavement is covered with polyethylene sheeting within 20 minutes after completion of placement and finishing, the sheeting is removed after a curing time of approximately seven days, and a concrete saw is used to remove excess pervious pavement that extends beyond the desired paved area.

Abstract: The present invention provides a system, for raising a manhole ring during construction or roads, that includes placing a generally tubular form on a manhole cone in an excavation, and a method and trimming/cutting tool for adjusting the height of the form. Preferably, the cutting tool is positioned inside the form and is rotated around to cut a ring of material off of the top of the form. The cutting tool is set at an elevation, indexed off of the pavement around the excavation, which results in the form being cut to a height that can support a manhole ring at a proper elevation to be flush with the pavement surface of a particular site. Once the manhole ring is placed on the trimmed form, a single pour of concrete may be done to create a concrete collar that fills and seals the vertical space between the manhole cone and ring. The form may include a stabilizing system for holding the form in place on the manhole cone.

Abstract: A device 10 is provided for supporting a wall 11 of a form for containing concrete and like fluid materials. It comprises the following components and arrangements thereof relative to each other; and normally but not necessarily arranged as in FIG.

Abstract: A foundation structure comprises a plurality of light metal parts which assemble and secure in place prior to placement of foundation in situ concrete. Assemblage is supported by coarsely threaded rods which screw directly into earth and attach to parts by various methods. Some parts remain in place as permanent supporting members for superimposed structure. Others, which generally form surfaces of foundation concrete, subsequently relocate to become either similar permanent structural members, or inventory for subsequent projects. Use of a computer aided design program assists in optimal configuration of parts, and creates a list of parts with necessary cut and piecemark information for automated fabrication of any particular length parts. This information, along with a computer produced schematic plan, allows use of parts as collocation elements which define a distinct foundation design by simple field assembly.

Abstract: A wedged preformed single strand tiewire assembling of plyform panels to I-beam stakes securing construction forms laterally, vertically and horizontally which are assembled aligned, plumb and level; the forms are comprised of flat, tapered steel wedges, tiewire with open-looped ends for receiving wedges at each end, I-beam steel stakes of varying lengths, and plyform-faced panels whereby the stakes and panels have holes through which the looped ends of tiewire are placed, and the stakes and panels are wedged together into an erect, assembled form preparatory to forming walls over foundation footings.

Abstract: Formwork for surfaces varying in curvature has a face sheet adjustable with respect to its curvature, girders supporting the face sheet and applied to the girders, in spaced relationship to the face sheet, there is a boom system which is composed of individual boom members bridging the girders and is suitably attached to the girders at the outsides thereof averted from the face sheet. Adjustment of the curvature of the face sheet is carried out by altering the effective length of the boom members between the girders. The mutually opposed formwork elements are adapted to be braced together by means of formwork anchor ties. A crosspiece in the form of a boom member is applied to a formwork element at at least two girders and simultaneously serves as an abutment for the formwork anchor tie, the latter therefore being arranged between and having its reaction forces transferred to the two girders.

Abstract: Adjustable forms for pouring precast concrete slabs and similar articles of manufacture. The forms may be used either on site to produce concrete slabs as needed, or at a central manufacturing location, for transport to the site where needed. Concrete slabs produced with the adjustable forms may be used in patios, sidewalks, storage room or pump house floors, driveways, mobile home landings, and the like. The slabs may be steel reinforced, with expandable interlocking design, of various sizes, patterns and colors. Similar construction materials or decorative articles, such as tile, wallboard, and the like may also be produced with the improved forms.

Abstract: A concrete forming system including an elongated member for extending from an exterior portion of the forming system to an interior portion of the forming system whereby the concrete or other pourable formable material exerts pressure on the interior portion of the elongated member and secures it with respect to the form members. A slidable member fits onto the exterior portion of the elongated member, the elongated member and the slidable member are secured to one another through perforations provided in both and through use of a securing pin to hold them rigid with respect to the formed border.

Abstract: A flexible form is presented. The flexible form may be shaped to produce the desired contour of concrete or other plastic material in the construction of various structures and is held in place by a plurality of positioning brackets. The flexible form is made of two or more parts, an outer part which provides durability and wear resistance and an inner part which provides the desired flexibility and is protected by the outer part. The parts are assembled in such a manner that each flexes independently of the other parts.

Abstract: Mold fabrication apparatus for forming molds is disclosed. The mold fabrication apparatus includes edge members (10) with lipped flanges (12) which extend rearwardly from the mold face (11), and brackets (14) which are notched to engage with the lipped flanges (12) at any desired positions along each edge member (10). The brackets (14) are flanged to enable them to be secured to a surface to locate the edge members (10).

Abstract: A flexible form for making street and sidewalk curbs uses C-channels such as is utilized in straight portions of street curbs, said C-channels carrying "V" openings spaced regularly evey 6 inches or so, to facilitate gradual bending, such opening being equipped with a U shaped spring which resists the bending and, at the same time, causes a uniform tension along the length of the curve. The V openings are located both in the straight interior part of the curve and in the slanted external part of the curve. The external part of the curve has other V slots vertically placed in the web and spaced one every 5 feet for a curve radius of 12 feet, such V slots correcting the vertical camber of an inclined bent form. The flexible form, once spring balanced, allows the casting of concrete in a continuous fashion.

Abstract: A form assembly for cement or the like comprising interlocking form members. One form member is longitudinally straight and can be provided with horizontal stiffening ribs at its upper and lower edges. The other form member has upper and lower ledges at least one end and is resiliently flexible to permit bending into a longitudinally curved configuration. The ends of the form members are each cut away into complementary shapes to form an interlocking joint. The upper and lower horizontal ribs are provided with a first set of vertically aligned openings in the vicinity of the cut away joint and the upper and lower ledges are provided with a second set of vertically aligned openings in the vicinity of the cut away joint. The ribs and the ledges overlap each other so that the first and second set of aligned openings are in vertical alignment with each other when the cut away joints are interlocked, allowing a pin to be received by the aligned openings to fix the assembly into the ground.

Abstract: A concrete form brace comprises a base having openings therein through which stakes are driven to immobilize the base relative to the ground. A form support is pivotally mounted to the base and engages conventional wooden concrete forms. A diagonal strut extends between the form support and the base. The strut is adjustable along an upstanding wall of the base between a variety of angular positions. A set screw secures the strut in any desirable position.

Abstract: A concrete form includes a horizontal base and a vertical face joined to the base. Load bearing brackets are coupled at spaced apart intervals along the exterior side of the concrete form to loosely support a detachable equipment rail from below while maintaining the upper surface of the rail parallel to the form base. A rail alignment bracket includes a pair of vertically oriented, spaced apart edges or slots for receiving vertically projecting, spaced apart sides of the equipment rail and maintaining the equipment rail in a fixed position with respect to the form base. A clamping device secures a stake to the load bearing bracket to maintain the concrete form in a fixed position with respect to the subgrade.

Abstract: A system of forms for pouring a concrete bond beam, curb and gutter in the construction of a concrete swimming pool to have waterline and curb tiles in place. A set of form boards is provided which define the bond beam waterline, gutter line and curb line. Each form board includes a panel of styrofoam rabbetted to temporarily hold, by means of adhesive tape, a plurality of tiles. The form boards are maintained in a preselected spacing by a plurality of transverse support frames temporarily attached to the form boards. Concrete is poured into the assembled forms to form the bond beam having a gutter and curb, and adheres to the back of the tiles. Upon removal of the form system, the bond beam with attached tiles is ready for finishing. The form system is reusable.

Abstract: A curb stake for use in securing a concrete form in a prescribed location, the curb stake including an elongated shaft and integral support structure that cooperate to resist both outward displacement and outward pivoting of the concrete form when concrete is poured on its opposite or inward side. The support structure includes a generally horizontal member that abuts the ground when the shaft has been driven a predetermined distance into the ground, along with a spike that projects into the ground at a location spaced from the shaft. The support structure further provides an impact surface for convenient use in driving the stake into the ground, to a depth below that of the top edge of the concrete form, along with an opening for convenient use in extracting the stake from the ground after the poured concrete has been finished and set.

Abstract: A reusable form for a formed in place concrete pad positioned near a structure. The form including two spaced side beams of a predetermined length beam having first and second ends, each of the first ends are adapted to engage the structure in an abutting relation. The form further including a front beam engaging the side beams at said second ends; a pin hinge for connecting the front beam to the side beams proximate the second ends; and transverse stabilizer means mounted to and suspended above the side beams for establishing a parallel spacing between the side beams for squaring or establishing a perpendicular relation between the side beams and the front beam.

Abstract: A form stake assembly for adjustably holding a concrete form at a prescribed grade. It includes a pointed stake that has an elongated slot slidably receiving the shank of a carriage bolt. The headed end of the bolt abuts one side of the stake. The bolt shank receives a wing nut on the other side of the stake. The wing nut may be selectively tightened to clamp the bolt against the stake or loosened to enable sliding movement of the bolt within the confines of the longitudinal slot. The bolt includes a central bore extending through the shank and head to receive the shank of a nail. The nail is utilized to secure a concrete form member to the carriage bolt and wing nut assembly. A tie rod is included that may extend between opposed stakes on opposite sides of the form area. The tie rod includes a headed end and a free end. The headed end abuts one side of one stake while the shank extends through the slots of both stakes to receive a slidable collar.