Abstract: A clip or retainer for supporting wood members for the creation of forms for concrete pours, primarily for curbs and gutters comprised of a pair of spaced, both of which are usually horizontal, members joined at their ends to front and rear bars, the rear of which is vertical while the front one is vertical at its upper portion, and depending outward from a point of junction with the lower horizontal bar to a point of termination, or the front one can be vertical in its entirety depending upon its intended use.

Abstract: An adjustable long bolt for connecting modular concrete form panels. The bolt is generally flat along its length and has a pair of elongated slots disposed in adjacency to opposite ends of the bolt. At least one circular hole is disposed between the slots having its mid-point disposed along a longitudinal line in longitudinal alignment with longitudinal axes of said elongated slots. The longitudinal spacing between the elongated slots with respect to the at least one circular hole being varied to enable the bolt to be installed in a larger number of adjustable positions by turning the bolt on its end through an arc of rotation of 180.degree..

Abstract: A method and apparatus is disclosed for forming insulated walls by pouring concrete directly on a form made in part of insulating material which will remain in place after the concrete sets. An apparatus for spacing the sheets of insulating material from the sheets of other material to create a concrete form is also disclosed, which also provides the function of bringing adjacent sheets of insulating material to create an adequate seal for the concrete. A tie holder for supporting cross members is also disclosed.

Abstract: In a recoverable form for use in the region where a tendon is anchored in a prestressed concrete component, a part is provided for forming a cup-shaped recess in the concrete surface. The part contains an axially extending passage through which a tendon extends. The part is formed of rubber or a rubber-like material and is constructed so that its outer surface extending in the direction of the passage arches outwardly away from the passage when a compressive force is applied to the part in the axial direction of the passage.

Abstract: A form tie is disclosed for interconnecting a pair of spaced panels providing the sides of a form and for locating and supporting at least one reinforcing rod at a preselected location intermediate the panels. The form tie includes a unitary elongated member of generally Z-shaped configuration having generally parallel elongate members joined by an intermediate diagonal member and rectilinear braces and tabs for supporting the panels of the form. One embodiment of the present invention includes a second elongate member formed integrally with the generally Z-shaped member for locating and supporting a reinforcing rod at a preselected location intermediate the panels. Alternate embodiments of the form tie of the present invention include means for locating and supporting a second reinforcing rod at a preselected location intermediate the panels.

Abstract: Clip apparatus for spacing apart and holding together concrete forms includes a single wire base strut and a pair of transversely reinforced and generally vertically extending end arms with intermediate arms, for spacing the foundation forms, for holding the forms together while concrete is poured into the forms and while the poured concrete is curing.

Abstract: A concrete wall form includes a support structure comprising a beam capable of functioning as a stringer or stiffback and which includes a bolt holding channel, a nailer channel and an internal channel for telescopically receiving an extension splice. A tie rod locking system is associated with the support structure for readily adjusting the forms.

Abstract: A tie assembly for use in removably supporting plywood sheets or other wall defining materials in fixed spaced relationship to define a form into which concrete may be poured to form a portion of a structure. The tie assembly so operates that portions thereof not embedded in the concrete may be removed for future use after the concrete has set. The plywood sheets after removal and recovery of the outwardly disposed portions of the assembly may be separated from the set concrete wall. The tie assembly is adapted for use with forms defined by new plywood sheets, or forms in which previously used plywood sheets are employed that have bolt holes of relatively large diameter therein.

Abstract: A tie bar for use in positioning forms into which a suitable material such as concrete may be poured comprises a metal bar having a central portion and two end portions. The end portions are intended to be broken away from the central portion at a stress concentrating notch after the concrete has set. A pair of moulded members are moulded directly to the central portion of the bar each of which moulded members comprises at least two flanges extending outwardly from the bar and spaced apart to accommodate a reinforcing rod. The tie is also fitted with two conical spacers which extend axially outwardly from the moulded members and which are conical having the largest diameter facing axially outward to support the form and prevent inward movement of the forms. In one preferred embodiment of the invention the conical spacers are separate from the moulded members. In a second preferred embodiment the conical spacers are integral with the moulded members.

Abstract: Apparatus for tying together concrete form panels includes an elongated tie and means attachable to a concrete form panel for clamping the tie to restrain relative movement between the tie and the form panel. The tie has end portions of a first transverse dimension and adjacent longitudinally inward portions of a second and smaller transverse dimension with a longitudinally outwardly sloped surface extending between each such inward portion and its adjacent end portion. The tie end portions may be either integral with the rest of the tie, or separate threaded members. The clamping means includes at least one member movable between a clamping position receiving the tie and a nonclamping position away from the tie. This clamping member has a recess for matingly receiving the longitudinally inward portion of the tie, and the portions of the clamping member adjacent the recess and distal the form panel engage the sloped surface of the tie when the clamping member is moved into the clamping position.

Abstract: A safety key designed specifically for use in connection with concrete wall form panels of the "Steel-Ply" or metal-encased type. The key affords an anchor eyelet or hole for receiving the hook which invariably is provided on one end of a safety belt that is worn by a workman who is obliged to work on the concrete wall form at an extremely high or unsafe level or elevation. The key in one form of the invention embodies a shank and an enlarged head, the shank being received in the opposed notches which are formed in the outermost abutting ribs of the mating and abutting frame members or bars of the marginal reinforcing frames of two adjacent wall form panels, and being removably locked in place by a pair of conventional coacting wedge bolts. The enlarged head on the shank defines the aforementioned anchor eyelet or hole.

Abstract: A concrete wall form structure of the type having a pair of aligned contiguous pre-fabricated panel units disposed in an edged-edged, upstanding relationship. Each panel unit has one of its marginal frame members abutting an adjacent marginal frame member of the panel unit. The panel unit edges have a plurality of aligned apertures in each of the abutting frame members whereby at least two apertures of abutting frame members are aligned and receive an elongated bolt. One of the panel units slidably carries the bolt so that it is movable between a retracted rear position wherein the bolt is moved within the confines of that one panel unit and an advanced forward position wherein the forward end of the bolt is projected through both apertures of the adjacent frame members and within the confines of the other panel unit.

Abstract: A concrete mold fastening device for use in a concrete mold for holding mold members in a desired spaced relationship which comprises a spacer extending between and passing through said mold members, said spacer having an enlarged diameter stop flange and a pair of annular recesses on the opposite sides of said flange on each end portion thereof, inner holding means positioned on said each end outwardly of the outer one of said recesses, a fastening rod connected to the associated outer end of the spacer and external holding means positioned on the outer end of the associated fastening rod outside of said mold members.

Abstract: A clamping lock is provided for use with a looped tie in a form for settable casting compositions, such as concrete, which lock is provided with protrusions on each of a pair of clamping members to fit into aligned connector slots of a pair of rails of adjacent panels of the form to properly position and firmly secure the lock to the form. The securing of the clamping members on the rails also holds adjacent panels of the form together. The rails are provided with tie notches which when panels are placed side by side and properly aligned the tie notches form tie slots through which a tie having loops at each end can be extended between panels of opposing sides or walls of the form structure. A tie opening is formed in the clamping lock through which the loop of a tie is adapted to extend. An anchor lock having a tapered arm is mounted on the clamping lock so that its arm can enter into a tie loop extending through the tie opening to secure the tie to the clamping lock and to tension the tie.

Abstract: A top rail tie bracket for concrete forms for eliminating the usual additional wooden rail required across the top of the top rail of the form for bracing the wedging element of the top snap tie rod. A reusable T-shaped bracket is provided, one leg of which abuts the top rail and the other leg serves as a back-up support to overcome the tensioning action of the wedge on the top snap tie rod. This eliminates the necessity of the additional top rail.

Abstract: A back side plate and a front side plate having a screw type wall tie passing therethrough maintain a strongback or waler therebetween by connecting tension stud bolts with a panel or wall form attached to a shelf portion of the back side plate with adjustments made through a housing and a keeper in conjunction with a nut which can be turned on the screw type wall tie.

Abstract: An adjustable beam clamp for securing a concrete form for the pouring of concrete a beam or lintel that does not require the use of fasteners for securing the form to the wall having a pair of legs engaging the boards that constitute the concrete form. One leg is pivoted to permit the clamp to be expanded when slipping the legs into position over the boards. A threaded rod extends from one leg to the other with a wing nut to draw the two legs tightly together against the boards. Secured to the lower side of the rod is a pair of angle bars which form a downwardly extending slot for receiving the top edges of the boards upon which the clamp rests. A bracket is mounted on the upper end of the one of the legs for receiving a 2 .times. 4 beam in order to align the clamps along the wall.

Abstract: A concrete form holding and spacing apparatus is provided for opposed banks of form sheathing panels having backing studs, and includes reglet runners bearing against the runner faces of the panel backs and held apart by spacer rods which detachably interlock with at least one of the respective runners. Clamping means detachably connect to the runners and extend through seams or openings in the panel banks and between pairs of the backing studs to receive clamping cams or wedges.

Abstract: A form for walls and the like of the type formed by two parallel, facing molding surfaces each of the surfaces being formed by a plurality of panels, each panel having a rigid appendix extending transversly of the molding surface thereof and the free end of which constitutes a rigid vertical element, the ends of said element having assembly and connection means for cooperating with the adjacent end of the vertical element of a vertically adjacent panel. Mutual locking means are provided on the vertical edges of adjacent panels; and means are also provided for connecting facing panels and locking the same against relative movement.

Abstract: There is provided an improved clamping lock for tie rod ends in form structures for settable casting compositions, e.g., concrete casting forms, which lock is characterized by means for attaching it to the form structure, and a pair of jaws shaped for mating coaction with the outer end of a tie rod end whereby relative axial movement of the lock with respect to the tie rod end is prevented and the form structure is correspondingly held against movement toward or away from an opposite form structure.

Abstract: A back side plate and a front side plate having a screw type wall tie passing therethrough maintain a strongback or waler therebetween by connecting tension stud bolts with a panel or wall form attached to a shelf portion of the back side plate with adjustments made through a housing and a keeper in conjunction with a nut which can be turned on the screw type wall tie.

Abstract: Apparatus for tying together concrete form panels includes an elongated tie and means attachable to a concrete form panel for anchoring the tie to restrain relative movement between the tie and the form panel. Means are provided both to facilitate engagement and release of the tie by the clamping member and to compensate for misalignment between the tie and the form panel and between opposing form panels.

Abstract: An externally controlled spreader system is designed for the adjustment of forms in both lateral directions and includes a nut having a continuous circular notch on its exterior surface which cooperates with a slotted hole in a slidable plate externally mounted on a washer which is connected to the forms. The nut is adapted to be coupled with the threaded end of a tie rod to apply an axial force, and in this manner the forms are moved laterally in the desired direction while being maintained at a selected predetermined distance apart.

Abstract: An article of manufacture for fixing the sides of a form with respect to each other is disclosed, which article consists of a unitary elongated metal member of generally Z-shape configuration having generally parallel end portions joined by an intermediate diagonal portion. Specific structural features of the article are described which provide improved resistance to vertical and horizontal shear forces acting on the form sides in addition to resisting transverse forces which tend to move the form sides toward or away from each other.

Abstract: A bracket and method for releasably holding two concrete form walls, the bracket having a horizontal crosspiece with downwardly projecting legs at each end. The legs cooperate with flange means to embrace the form walls to resist lateral movement of the form walls before and while concrete is poured into the space created between the form walls. The bracket includes means to hold (1) the crosspiece above the concrete, (2) the form walls vertically, and (3) the form walls above the ground surface to establish the grade of the form walls.

Abstract: A tie rod is provided having an abutment on one end portion thereof spaced a predetermined distance inwardly of the terminal end of the rod. A tubular sleeve is slidably mounted on the one end portion of the rod outwardly of the abutment for endwise abutting engagement with the latter and the sleeve includes structure which renders the sleeve substantially incompressible in an axial direction, but enables the sleeve to be expanded in radial directions. A wedge sleeve is slidably mounted on the end portion of the rod outwardly of the first-mentioned sleeve and includes a tapered end portion receivable within and operative to radially expand the adjacent end of the first-mentioned sleeve.

Abstract: Spacer for the connection of mold plates for making collapsible molds elements comprising a spacing portion which has at its ends holding portions, hinge like secured thereto via flexible hinges, wherein said spacing portion and said holding portions at its ends connected with one another via the flexible hinges are one piece of plastic material; and molds made therefrom.

Abstract: Disclosed is a clamp or tie rod assembly which can be inserted and withdrawn from one side of spaced form members between which concrete or the like is to be poured. The assembly includes a removable shaft and an eccentrically bored spacer accommodated on the shaft prior to its insertion between the forms. The spacer is left imbedded in the concrete when the shaft is later withdrawn at the time the forms are to be removed from the concrete.