Abstract: A Portland cement concrete recess insert is characterized by a quadrant shape, an obverse wall, a contact wall, and a convex wall. The obverse wall is coupled orthogonally with the contact wall along a contact line, and extends laterally of the convex wall to define a perimetric flange. The convex wall is coupled with the obverse wall and the contact wall radially opposite the contact line. A pair of recess inserts is connectable along the contact walls to define a semicircular convex wall. A bilaterally symmetrical open channel traverses the contact wall and intercepts the convex wall at two locations. The pair of recess inserts is mutually joinable along the contact walls to juxtapose the open channels and define a closed channel to enclose a portion of a lift anchor.

Abstract: A lift anchor for a precast pre-stressed concrete tee includes a pair of slender parallel legs each characterized by a longitudinal axis, a first end, and a second end. The first ends join at a slender head. The longitudinal axes define a plane. A pair of oval-shaped feet are forged with the legs perpendicular thereto and characterized by a major axis. The forged feet are configured so that the major axes are either perpendicular or parallel to the plane. The legs and feet can be embedded in a precast pre-stressed concrete tee so that the head is exposed for coupling with a hoisting device.

Abstract: An anchor for embedment in a concrete slab to provide for the lifting of the slab comprises first and second elongate plates adapted to be arranged in facing relationship for form a composite anchor. Each of the first and second plates has a distal end and a proximate end and at one hole between the distal and proximate ends. The proximate end of each plate has a flange bent outwardly of the outer planer face thereof. The distal end of each plate has laterally projecting feet that are bent laterally of a planar face. The side edges of each of the plates have converging side edges that extend downwardly to the feet.

Abstract: A building panel comprises 2 parallel slabs separated by a layer of insulation. Each of a pair of planar plate-like lift wings has a 1st and a 2nd lift wing portion. Each of the 1st lift wing portions is penetrated by at least one through opening. A planar plate-like lift head defines a plane of symmetry orthogonal thereto. 1st and 2nd lift head portions are symmetrically disposed on either side of the plane of symmetry. Each lift head portion is penetrated by at least one through opening symmetrically disposed relative to the plane of symmetry. Each lift head portion is penetrated by at least one through opening symmetrically disposed relative to the plane of symmetry. The lift head is attachable to both lift wings when the 1st lift wing portions are orthogonal to the plane of symmetry. The lift head is detachable from both lift wings to eliminate thermal conductivity between the lift wings.

Abstract: An anchor for embedment in a concrete slab to provide for the lifting of the slab comprises first and second elongate plates adapted to be arranged in facing relationship for form a composite anchor. Each of the first and second plates has a distal end and a proximate end and at one hole between the distal and proximate ends. The proximate end of each plate has a flange bent outwardly of the outer planer face thereof. The distal end of each plate has laterally projecting feet that are bent laterally of a planar face. The side edges of each of the plates have converging side edges that extend downwardly to the feet.

Abstract: A deck connector that may be cast into a structural concrete element for use in joining adjacent ones of the concrete elements to each other by the use of weld plates that are movably disposed within a weld plate housing forming an element of each of the deck connectors.

Abstract: A cover for a concrete construction has a pair of anchor-engaging members extending from a disk-shaped body. The anchor-engaging members include fins which are configured to engage an anchor formed into a recess of a concrete block or wall to cover the recess. The cover is easily installed to the anchor by positioning the cover over the recess and urging the anchor-engaging member into engagement with the anchor.

Abstract: A grilling apparatus including an ash receptacle and a grill assembly. The grill assembly includes a firebox and at least one support arm connecting the firebox to the ash receptacle for pivotal movement of the grill assembly between a cooking position and a cleaning position. In an alternative embodiment, the grilling apparatus includes two grill assemblies coupled to the ash receptacle for pivotal movement between cooking and cleaning positions.

Abstract: A structural tie shear connector for use with a concrete and insulation composite panel. The panel has a first concrete wythe, a second concrete wythe, and an insulation layer interposed between the first and second concrete wythes. The connector has two sides extending in a direction substantially parallel to a longitudinal centerline of the connector and two sides extending across the longitudinal centerline of the connector. First and second pairs of angular links are connected to the sides, and a pair of legs are connected to, and extend outward from, one side of the connector. The connector is extendable through the insulation layer and into the first and second concrete wythes to hold the panel together.

Abstract: An anchor positioning assembly for use in casting a concrete panel. The anchor positioning assembly includes a void former, a cooperating cover and an anchor. The assembly may further include an adaptor insert for receiving anchors of variable shapes and sizes. The void former includes a body having first and second portions pivotally connected by a pair of hinge webs. A peripheral lip extends outwardly from the periphery of the void former. A cover includes a top plate having a reentrant edge defining a locking groove for releasably engaging the peripheral lip of the void former, thereby providing a seal between the void former and the cover. The cover includes a plurality of mounting apertures to facilitate securing of the cover to concrete formwork.

Abstract: One preferred embodiment of an improved concrete anchor designed in accordance with the present invention for embedment in a concrete panel or the like includes an elongated bar having substantially flat parallel faces, an inner end disposed within the panel, an outer end disposed within a recess in the surface of the concrete panel and side edges extending between the faces. The side edges extend in continuously diverging relationship from adjacent the outer end to adjacent the inner end. In accordance with another embodiment, the preferred concrete anchor includes an elongated bar having substantially flat parallel faces; an inner end disposed within the panel; an outer end disposed within a recess in the surface of the concrete panel; and side edges, preferably substantially straight, which extend in a substantially parallel relationship between the faces. The outer end includes spaced, outwardly-projecting extensions disposed adjacent the side edges of the bar and, preferably, an elongated opening.

Abstract: An erection anchor having a forged unitary body that includes a substantially cylindrical shank with one end embedable in a concrete panel and an opposite end extending into a recess in an end of the concrete panel. The forged unitary body also has a substantially cylindrical foot integrally formed with the one end of the shank and a shackle-engageable, planar head integrally formed with the opposite end of the shank. The planar head has first and second opposed substantially planar surfaces and a boss integrally formed with the planar head and extending outward from the first planar surface. The boss provides bearing surfaces that interlock the erection anchor with the concrete panel.

Abstract: An anchor positioning assembly for use in casting a concrete panel. The anchor positioning assembly includes a void former, a cooperating cover and an anchor. The assembly may further include an adaptor insert for receiving anchors of variable shapes and sizes. The void former includes a body having first and second portions pivotally connected by a pair of hinge webs. A peripheral lip extends outwardly from the periphery of the void former. A cover includes a top plate having a reentrant edge defining a locking groove for releasably engaging the peripheral lip of the void former, thereby providing a seal between the void former and the cover. The cover includes a plurality of mounting apertures to facilitate securing of the cover to concrete formwork.

Abstract: A support member for a concrete structure comprises a T-shaped insert defining a T-shaped internal volume. A nut is inserted in the transverse portion of the internal volume and end caps are placed over the ends of the insert to fully seal enclose the internal volume. The insert is then placed within a form for a concrete structure such that the base surface of the T-shaped insert will be coplanar with a surface of the concrete after the concrete has been poured into the form and set. The base wall of the insert is then removed, thus exposing the T-shaped volume. The distal end of a bolt can be inserted into the insert and fixed to the nut. The proximal end of the bolt extends out of the insert and beyond the surface of the concrete and can be attached to equipment or other structure which is to be supported on the concrete structure.

Abstract: An adaptor bar is disclosed for removably coupling in fixed relation a pair of single anchor inserts used in casting concrete, thereby forming a double anchor insert. The anchor inserts are used as permanently installed lifting points in the construction of tilt-up concrete walls and the like. The adaptor bar includes T-shaped cutouts in each end which cooperate with reliefs in an elongated anchor member of a single anchor insert to allow the adaptor bar to releasably engage an elongated anchor member at each end. The inventive adaptor bar provides for an inexpensive double anchor and allows the user to only stock single anchors without the need to have a separate inventory of double anchors as well.

Abstract: A support member for a concrete structure comprises a T-shaped insert defining a T-shaped internal volume. A nut is inserted in the transverse portion of the internal volume and end caps are placed over the ends of the insert to fully seal enclose the internal volume. The insert is then placed within a form for a concrete structure such that the base surface of the T-shaped insert will be coplanar with a surface of the concrete after the concrete has been poured into the form and set. The base wall of the insert is then removed, thus exposing the T-shaped volume. The distal end of a bolt can be inserted into the insert and fixed to the nut. The proximal end of the bolt extends out of the insert and beyond the surface of the concrete and can be attached to equipment or other structure which is to be supported on the concrete structure.