Abstract: A bulkhead protector apparatus is described. The protector is configured to be mounted within a cavity of the sheetpile of a bulkhead in order to prevent waves, wake, and debris from reaching the top portion of the bulkhead, minimizing damage and prolonging the life of the bulkhead. An angled waterguard portion is disposed within the cavity, and is configured to deflect water down and away from the top of the bulkhead. The waterguard portion is mounted to a whaler of the bulkhead via a planar mount portion which is secured to the underside of the whaler of the bulkhead via stainless steel lag bolts.

Abstract: A dowel placement system including a fastener configured to be engageable with a form, and a radially compressible bushing coupled to the fastener and defining an adjustable outer diameter. The system further includes an elongate dowel sleeve having opposed proximal and distal end portions, and an axial opening having an inner diameter and extending into the dowel sleeve from the proximal end portion to the distal end portion. The bushing is insertable within the axial opening of the dowel sleeve, and the bushing and dowel sleeve are configured such that insertion of the bushing within the dowel sleeve causes the outer diameter of the bushing to compress and conform to the inner diameter of the dowel sleeve and to create a friction force between the bushing and the dowel sleeve to mitigate movement of the dowel sleeve relative to the bushing during formation of the concrete structure.

Abstract: A repair arrangement (10) comprises an insertion portion (12) and a securing portion (14). The insertion portion is configured for insertion into the ground adjacent an article (100) to be repaired. The securing portion has securing formations (28, 29) to allow the repair arrangement to be secured to the article to be repaired.

Abstract: A grade bracket for use with concrete form systems is disclosed. In one embodiment, the grade bracket forms part of a concrete form system that includes a plurality of form components, including straight forms, curved radius forms, and skin panels for interconnecting form components. The form components are assembled atop a ground surface and are configured to define a volume for containing poured concrete. Grade brackets for supporting the form components at a desired grade above the ground are used. Each grade bracket includes a body, a form support member, and a grade knob. The form support member attaches to the body and includes a bracket portion that supports the form component. The grade knob includes an eye-bolt. A stake secured in the ground is selectively engaged by the eye-bolt of the grade knob such that the grade bracket is maintained at a desired position on the stake.

Abstract: An adjustable concrete form support bracket for bracing a concrete form. The adjustable concrete form bracket includes a body, a stake receiving member, and an interconnecting means for adjustably coupling the body and the stake receiving member together. The body is attachable to a concrete form, and the stake receiving member is constructed to receive a stake inserted into the ground to support the concrete form. The interconnecting means operates to adjust the lateral position of the stake receiving member to adjust the spacing between the concrete form and the stake, and thus, the horizontal or lateral position of the concrete form across the ground surface. In this manner, the stake does not need to be removed from the ground so permit this repositioning of the concrete form. The stake receiving member may include a stake securing means to permit grade adjustment of the concrete form.

Abstract: A brace for securing concrete form members to a casting surface. First and second leg members are spaced to form an angle. A bridging member extends between opposing ends of the leg members and a strut extends between the joined ends of the leg members and the bridging member. The bridging member and strut form a truss, together with raised ribs along the legs and bridging member. The brace may be molded from plastic as a one-piece structure.

Abstract: A re-bar support device comprising a base board and re-bar holders to hold a plurality of re-bars spaced to fit into the holes of the hollow blocks used to build a block wall. The re-bar support device attaches to vertically standing stakes. Several re-bar support devices may be interconnected to cover the desired length of the foundation of the wall. The re-bar support device proposes several methods for easily introducing a re-bar to a re-bar holder and also discloses modifications on the internal side of the body of the re-bar support device to allow a better grip on the re-bars while concrete is poured around them during the formation of the foundation for the wall.

Abstract: A form assembly for forming a concrete structure during drying of the concrete. The form assembly is formed of an elongated plastic form having a front wall for engaging the concrete and a rear wall. The front wall is spaced apart from the back wall to define a pocket for receiving at least one connecting member. The connecting member is secured in the pocket to project a distance beyond an end of the form. A slidable stake holder may also be provided to slide in a C-shaped pocket in the form. The stake holder has right and left flanges that abuttingly engage the rear wall and at least one preformed nail hole is provided in each of the right and left flanges.

Abstract: Extruded brackets for use in pre-cast panel forming systems are provided. The brackets generally have first and second mounting faces, at least one support face, and miter cut edges defined by a first and second miter plane. The brackets may have more than one support face. Additionally, a pre-cast panel forming system is provided. The system generally has at least one pre-cast panel form and at least one bracket for attachment to the at least one panel form. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that is will not be used to interpret or limit the scope or meaning of the claims.

Abstract: An assembly of concrete forms for use in the placement of concrete, the assembly having a pair of longitudinal form members and a ground engaging member that is in contact with at least one of the longitudinal form members. A first longitudinal form member slidably overlaps a second longitudinal form member such that the length of the combination of longitudinal form members is adjustable. Inverted U-shaped channels are provided at the top of each of the longitudinal form members which allow a male/female overlapping relationship and provide a location to receive the ground engaging member. A radius form member includes a longitudinal form member with a horizontal component or inverted U-shaped channel having successively spaced apart slots thereon, so that the radius form member is flexible. To create an angle, a corner forming bar is also provided for the assembly, extending between two of the longitudinal form members.

Abstract: A flexible form assembly for forming concrete structures during setting of the concrete is provided. The flexible form assembly includes an elongated form having a front side for engaging the concrete and a rear side. The rear side includes a back wall disposed between two rearwardly extending top and bottom walls which, in turn, are connected to downwardly and upwardly protruding lips respectively to form a C-shaped pocket for receiving a stake holder. The stake holder includes right and left flanges that abuttingly engage the back wall and that fit between the top and bottom walls and that are partially disposed between the upper and lower lips and the back wall. The stake holder further comprises a pocket portion that is connected to and disposed between right and left flanges. The pocket portion extends outwardly to define an apex which provides a looped pocket for receiving a stake.

Abstract: A form assembly for forming a concrete structure during drying of the concrete. The form assembly is formed of an elongated plastic form having a front wall for engaging the concrete and a rear wall. The front wall is spaced apart from the back wall to define a pocket for receiving at least one connecting member. The connecting member is secured in the pocket to project a distance beyond an end of the form. A slidable stake holder may also be provided to slide in a C-shaped pocket in the form. The stake holder has right and left flanges that abuttingly engage the rear wall and at least one preformed nail hole is provided in each of the right and left flanges.

Abstract: A construction stake assembly 10 having a first support member 12 and a first receptacle 14. The first support member 12 includes a first end 16 and a second end 18. The first receptacle 14 is disposed on the first support member 12 and receives a form 28 for defining a perimeter of a mold 30. A curable substance 32 is disposed in the mold 30 and allowed to cure, thereby forming a hardened structure 34 such as a concrete slab or the like. The first receptacle 14 includes a base 36 and a pair of spaced sides 44, 46. Each of the spaced sides 44, 46 extend upwardly from the base for defining a channel 48 therebetween.

Abstract: An expendable article for forming the side edge of a poured in place concrete structure. The article is formed as a fabricated, elongated hollow corrugated paper box having three interconnected sides that together define in cross section a right triangular shape, including a hypotenuse side and a base side with at least two sides formed of at least two layers of corrugated paper. Vertically aligned apertures are formed in the hypotenuse and base sides for receiving therethrough a retaining stake. The form being left in place to disintergrate after a period of time.

Abstract: A concrete form brace for bracing a concrete form board. It includes a vertical member, a support member, and a means for receiving a stake. The support member holds and supports the means for receiving a stake so that it can position a stake at an angle to the vertical member. The flat vertical member is generally mounted flush against the form board and is attached to the form board by nails, screws, or other attachment means. A stake directed through the means for receiving a stake is driven into the ground to brace the concrete form brace and form board. The stake is driven into the ground such that it clears the top of the form board.

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 straight steel curb for the steel curb faced concrete curb of a roadway has a vertical sidewall and a horizontal portion. Two sheet metal or plastic benches, which lie on the floor of the trench, are aligned relative to a string line. Each bench has a bracket which supports a bottom edge of the steel curb at its two ends, to position the steel curb. The front plate and back plate of a bench are welded to the bottom plate by a weak weld which shears under the pressure of the expanding or contracting concrete or has a pleated base which contracts and expands. The bench has front and back flanges which, respectively, hold front and back concrete forms.

Abstract: A stake suitable for use in construction is formed from an elongate threaded metal member, typically of length between 0.45 meter and 1.8 meter, having two ends. A first end region, tapered to a sharp point over typically 3 centimeters, is suitable to be plunged into earth. A middle region has threads that are both deeply cut, typically at a ratio of root diameter to outside diameter less than 0.80, and steeply inclined, typically at least 1 in 20. A second end region has a feature in the shape of a regular prism suitable to be engaged by a torquing tool for rotation of the entire stake. The second end region feature may be a prism of regular cross section, normally a hexagonal prism, of a diameter everywhere less than the minor diameter of the middle region's threads.

Abstract: An ice skating rink structure comprising a plurality of boards and a plurality of brackets is provided. Each of the brackets has a U-shaped support for holding one or more of the boards and has at least one downward projection for insertion into the ground. The downward projection of the bracket is inserted into the ground and boards are placed within the U-shaped support such that the boards define the shape of an ice skating rink. A liner is placed inside of the ice skating rink and water is poured onto the liner and allowed to freeze and form an ice skating rink. By using boards with different heights, the present invention allows for the quick assembly of an ice skating rink on level or unlevel ground.

Abstract: A securing apparatus including cap adapted for slidably receiving a top end of a stake. Also included is an alignment member adapted for receiving a top edge of a form board and for slidably receiving the stake such that stake is rigidly held substantially parallel to the form board. The alignment member possesses a sleeve as well as L-shaped holding portion adapted to fit over the top edge of a form board. The alignment member possesses a sleeve as well as L-shaped holding portion adapted to fit over the top edge of a form board.

Abstract: A flexible concrete form which can be arranged to provide both straight and curved configurations, and is adapted to flex both horizontally and vertically. The form includes a face panel and upper and lower flanges having lips on their back edges. An intermediate rib spaced below the upper flange provides a ledge on which a rigid core member can be installed to enhance the rigidity for straight areas. The upper and lower flanges have aligned openings for receiving stakes used to anchor the form to the ground. The form is preferably constructed from polyethylene, polyvinyl chloride, or polybutylene because of the strength and flexibility of these materials as well as their ability to release from concrete without the need for scraping or release agents.

Abstract: An assemblage which forms in-situ monolithic concrete slab-on-grade foundations is an internally collocating monolithic forming unit, which unit is typically light weight enough to be maneuvered intact. The unit is comprised of a number of form members and an overhead screed. The concrete-surface-defining form members, preferably sections of light-gage cold-formed metal, also serve as struts defining foundation horizontal geometry by having controlled lengths and interconnections. Corresponding pairs of squaring wires control geometry as well, and are removed before finishing the concrete slab. Temporary support of the forming unit is upon coarsely threaded stakes. Each stake screws into earth with a high speed pneumatic impact wrench, and quickly secures simple form support components such as a slab clip.

Abstract: A formwork comprising a metal panel 11 having an upper portion 12, a lower portion 13 and a intermediate portion 14 displaced laterally out of the line of the panel 11, the portions 12 and 13 have spaced holes 15 through which reinforcing rods 16 project so that the ends of the reinforcing rods can be tied to similar rods in an adjacent slab to be poured in order to occupy the space at 17. A slab poured upon a timber deck 18 and the metal form provided by the panel 11 is retained in place by upright bracing rods 19 located at spaced intervals along the form 11 and passing through pairs of holes 20 and 21 in the intermediate section 14.

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 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 formwork for concrete including a lipped channel edge form having a lipped cavity and an edge form supporting bracket. The supporting bracket having a base member with an aperture therein and an upright member which is perpendicular to the base member. The upright member includes an upper and lower slot defined between forward and rearward lip engaging lugs for securing the bracket to the edge form by inserting the bracket into the lipped cavity and twisting until a secure connection is made.

Abstract: A stop (1) for supporting a side of concrete form work (12) includes a deformable section (2) in the form of a collapsible sleeve (2) with an abutment (8). The sleeve is formed monolithically with the stop. A nail (13) with a head (13a) secures the stop (1) to a concrete structure or component (11) and when the nail (13) is driven its head (13a) runs up against the abutment (8). If energy in excess of the amount needed to drive the nail (13) in is present, the nail head (13a) striking the abutment (8) axially collapses the sleeve and damage to the stop (1) is avoided.

Abstract: A form supporting bracket for supporting a concrete form on a support surface, including a form-engaging member having a base plate with an aperture therein. A rod extends through the aperture for preventing lateral movement, and a clamp secures the base plate to the rod for preventing angular movement. The clamp includes a rigid angle member with one leg having an aperture therethrough for engaging the rod while the other leg engages the base plate.

Abstract: A form supporting bracket for supporting a concrete form including an upright form supporting member, a lower prop leg connected to the upright member, an upper prop leg connected to the upright member at one end and a slidable member at its other end. The slidable member cooperates with the lower prop leg to slide therealong and includes a plurality of angle slots which mate with a plurality of oppositely angled slots on the lower prop leg. The angle slots are selectively fixed relative to one another by an elongated member which can be driven into the ground.

Abstract: A foundation brace and securing device capable of holding both wall forms and foundation forms in position is disclosed. The brace allows one person to pour one continuous piece of foundational concrete.

Abstract: A method for bracing a concrete form assembly by the interconnection of a first beam member and a second beam member by an inclined beam member. Each beam member is of a generally rectangular shape in transverse cross section and includes a pair of end plates. An adaptor unit of a right isosceles triangular shape in side elevation is used to connect the inclined beam to the first and the second beam. The hypotenuse section of a first adaptor unit is mounted on the first beam and the hypotenuse section of a second adaptor unit is mounted on the second beam. The locations of attachment are selected such that the distance between oppositely facing side sections of the adaptor units is equal to the length of the inclined beam member, which is inserted therebetween. Each end plate of the inclined beam member is bolted to the adjacent side section of an adaptor.

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 method of making precision low cost molds by applying a plurality of layers of material to a pattern. The method includes providing a pattern of the part to be formed; orienting the pattern on a surface plate in a molding dam; applying a release coating to the surfaces; applying a thin resin layer to form the mold surface; applying a layer of fiber reinforced tooling resin to the thin resin layer; applying an epoxy-dry plaster bonding layer to the tooling resin; inserting a reinforcement framework into the dam; and applying bulk casting plaster to complete the body of the mold.

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 key joint forming strip and supporting stake therefor wherein the upper portion of the strip includes a hook segment engageable with a supporting ledge on the upper end of the stake and the intermediate portion of the stake includes a downwardly facing hook engageable with a protrusion on a lower portion of the strip. In use, the hook segment is first engaged with the ledge and then the lower portion of the strip is forced against the stake to engage the protrusion beneath the downwardly facing hook. Once so engaged, the strip is held in place between the ledge and the hook.

Abstract: An anchor 20 is disclosed for supporting an open top drainage channel 40 within a trench. Anchor 20 permits accurate placement and easy adjustment of channel 40 and thereafter permits the entire channel 40 to be embedded in concrete in a single pour. The anchor 20 is embedded within the earth defining the trench and counteracts the natural buoyancy so that channel 40 does not float upwardly in the unhardened concrete.

Abstract: A metal concrete joint form is shown supported on a plurality of interlocking metal stakes for providing a positive, vertically-adjustable, strong locking action between these members. The top end of each stake is flattened and it has a plurality of closely-spaced vertically arranged serrations or ratchet formed on one side thereof. The concrete joint form is an elongated sheet metal member having an inverted hook portion at the top edge of the form with a downturned flange that has its lower edge hemmed on the inside and then folded outwardly to create an upwardly-inclined raw edge of the hem of the flange to serve as a locking pawl for cooperating with the vertical row of serrations or ratchet.

Abstract: This invention is directed to a system for pouring concrete and thereby forming concrete floors, sidewalks and the like, wherein the forms used to retain the concrete in place remain as part of the permanent installation. The system is constructed basically of longitudinal rails, stakes and clips which fit snugly and securely together to form concrete retaining forms.

Abstract: A system of forms for facilitating the pouring of concrete into slabs including a single "universal" screed stake with three vertically spaced pairs of fingers or ear-like members may be selectively used with screeds of four different vertical dimensions, each of the pairs of earlike members receiving the lower side of one of the screeds with the top of the stakes being received in a downwardly opening pocket formed on the topside of the screed. The horizontally extending channel in the screed is provided with a plurality of spaced slots, so that the top of the stake may be inserted through the slot instead of into the pocket on the topside of the screed when a screed of the fourth vertical dimension is used and the lower end thereof is received into one of the three pairs of ear-like members.

Abstract: A metal concrete joint form is shown supported on a plurality of spaced metal stakes. The top end of each stake is flattened. The concrete joint form is an elongated sheet metal member having an inverted hook portion at the top edge of the form for receiving the flattened top end of the stake. The main body of the stake has a semi-circular shape in transverse cross section. The invention is a separate holding clip that is made to straddle the main body of the stake and engages beneath the lower edge of the sheet metal form and is snapped into engagement with the stake for holding the sheet metal form against the stake while the concrete is being poured on either side of the form to form a monolithically poured concrete slab.

Abstract: An apparatus for constructing a molding form for a concrete deck structure is disclosed. U-shaped spring clips secure flexible form boards to vertically anchored support stakes, with a flat side of each form board positioned along a desired border of the concrete. Each spring clip has a pair of arms spaced apart, each of which has a slot for receiving an anchored stake. The slots in the two arms are in registration to receive the anchored stake simultaneously, and appendages extend from the free end of each arm to hook onto a concrete form board and secure it to the anchored stake. Each spring clip includes a generally S-shaped flat spring defining a resilient wedge structure near its free end which transmits a spring force that holds the gripped form board firmly against the anchored stake.

Abstract: This invention relates to a quickly assembled prefabricated metal concrete pouring form for slabs and the like that remains in place as an integral part of the finished structure. The basic elements of the structure are exterior wall sections with each containing a series of vertically-aligned pairs of slots arranged in parallel horizontal rows throughout the length thereof and which can be telescoped into overlapping relation to place selected pairs of these slots in registry with one another to receive the hook-forming elements of one or more types of connectors that lock the sections together in freestanding assembled condition. Two of these connectors, namely, a ground stake and a detachable endpiece of a spreader subassembly both include a vertically-spaced pair of downturned hook-forming elements to effect the locking action while the corner sections employ horizontally-spaced pairs of horizontally-disposed tongues for this same purpose.

Abstract: Concrete forms for building a concrete spillway using prefabricated metal concrete forms. The concrete forms being adaptable for building spillways having various widths, heights and lengths. The spillways are used to control water runoff during heavy rains and prevent soil erosion of farm and ranch land.

Abstract: A support for a batter-board encircling a skating surface. The support includes a vertical fluke which is driven into the ground and a horizontally extending arm which is secured to the fluke. The batter-board rests against the horizontal arm and the vertical fluke and is held in place by a vertical tab extending from the horizontal arm or by an L-shaped bracket extending from the vertical fluke. The length of the fluke above the horizontal member is adjustable to accommodate a variety of batter-board widths.

Abstract: A divider strip with an upstanding screed for use with a pouring of a pair of adjoining concrete slabs, such strip being designed to be supported by a horizontal series of laterally spaced stakes which are set below a predetermined grade level, and being adapted when in its operative position to have wet concrete poured on opposite sides thereof in order to form a pair of adjoining slabs with a key joint therebetween. A dual reentrant bend at the upper marginal portion of the strip establishes a downwardly facing locking channel for the upper ends of the stakes and also establishes an upstanding screed which extends upwardly to the grade level and is for the most part of single thickness.