Abstract: A system including a reinforcement positioner having a body with a longitudinally-extending spine and a plurality of legs coupled to the spine along a length thereof and at least partially extending away from the spine. The positioner further includes an opening or recess positioned in the body, and a clip configured to be received and retained in the opening or recess.

Abstract: A double winding reinforcement method has a main bars erecting step, a reinforcement stirrup winding step, and a reinforcement bar double ends winding step. In the main bars erecting step, multiple main bars are vertically disposed and are arranged in a rectangular shape. In the reinforcement stirrup winding step, a reinforcement stirrup is horizontally wound around the multiple main bars and is wound in a rectangular shape, and the main bars are defined as multiple pairs of opposite main bars. In the reinforcement bar double ends winding step, each reinforcement bar has a first end and a second end. The first end of each reinforcement bar is fixed with one of the main bars of a respective one of the pairs of opposite main bars. The second end is wound around the reinforcement stirrup and the other main bar of the pair of opposite main bars.

Abstract: The present invention is a clip for securing more than two rebar rods. The rods may be secured in a planar or three-dimensional lattice configuration. In a planar configuration, the clip accommodates two parallel rebar rods and a third rod perpendicular to the first two. Alternatively, the clip may secure three mutually perpendicular rods. The clip is constructed of at least two mutually perpendicular planar surfaces. Each planar surface is recessed in a seat for holding a rod. Each seat has a semicircular arch where the rod sits, with an optional rectangular opening for inserting the rod. In a preferred embodiment, the clip has five seats. Two seats are parallel with a coincident axis in the x-direction. Two other seats are side-by-side with parallel axes in the y-direction. Another seat has an axis in the z-direction. Each rod is held in place by other rods.

Abstract: A reinforcement retainer in the form of a resilient insert for maintaining at least one construction reinforcement member within an aperture in a construction component such as a building block or a brick. The insert is an elongate body with distal ends and is proportioned to be received within the opening. Flexible feet are located at the distal ends and are capable of deformation to press on inner faces of the aperture to adjust the location of one or more reinforcement members prior to setting in concrete slurry. The insert defines at least one stay arranged in use to support one of the reinforcement members.

Abstract: Crack inducer apparatus including: a support body and a cracking strip fixable to the support body, the support body having: two or more mounting formations formed for mounting to separate reinforcing bar, each mounting formation being spaced from another or the other mounting formation by a predetermined spacing and being formed to prevent rotation about an axis orthogonal to the separate reinforcing bar when mounted thereto; and one or more strip fixing formations formed to accommodate fixing of the cracking strip to the support body; a trunk assembly from which the mounting formations and the or each strip fixing formations extend, each formation having a spatial disposition with respect to the other formations; the cracking strip having two opposed faces substantially parallel to one another, a straight edge along an edge of each face and one or more complementary fixing formations formed for fixing to the or each fixing formation of one or more of the support bodies, and wherein: the spatial disposition

Abstract: A rebar clip is provided for joining a larger diameter rebar to a smaller diameter rebar transverse to the larger diameter rebar. In a first embodiment the clip includes diameter reducing tabs extending into upper arches of the clip for engagement with smaller diameter bars crossed on top of larger diameter bars. In a second embodiment the clip includes diameter reducing tabs extending into lower arches of the clip so that the clip may hold larger diameter bars on top of smaller diameter bars. A guide track for a clip applying gun is provided which allows for use with either version of clips and with clips of the same nominal diameter for joining equal size bars.

Abstract: A reinforcement retainer in the form of a resilient insert for maintaining at least one construction reinforcement member within an aperture in a construction component such as a building block or a brick. The insert is an elongate body with distal ends and is proportioned to be received within the opening. Flexible feet are located at the distal ends and are capable of deformation to press on inner faces of the aperture to adjust the location of one or more reinforcement members prior to setting in concrete slurry. The insert defines at least one stay arranged in use to support one of the reinforcement members.

Abstract: A pavement dowel bar assembly is reinforced to maintain the alignment of dowel bars during the paving process. An exemplary dowel bar assembly includes a side frame having at least one bracing member. The bracing member is convertible between a first, stored position and a second, deployed position. When in the first, stored position, the bracing member is generally parallel to a plane defined by the side frame. In the second, deployed position, the bracing member is at an angle relative to the plane of the side frame. The dowel bar assembly may further include a plurality of dowel bars and a second side frame. Also described herein are methods of reinforcing a pavement dowel bar assembly with a convertible bracing member.

Abstract: A block wall system including a block wall having a multiplicity of courses of blocks; at least one longitudinal reinforcement bar that extends through the block wall; and at least one bracket for locating the longitudinal reinforcement bar; wherein the longitudinal reinforcement bar passes through the void of at least one block in the block wall and through a capture zone of the bracket located within the block wall.

Abstract: A modular wire device to support and maintain the position of horizontal and vertical reinforcement bars in concrete masonry unit walls. Additionally, the device may function to provide structural support and to act as the base for attaching insulation, bricks or other veneers to a wall structure. The wire support device comprises a planar wire frame to be set within horizontal mortar joints, coupled with a plurality wire cross members. The wire cross members may have crimps and loops to precisely align horizontal and vertical reinforcement bars. Hingedly attached extension members may extend outward from the wire frame and the face of the wall to vertical wire surface material supports using end loops to provide support for insulation, brick or other veneers. The frame and horizontal bars provide additional structural reinforcement across the wall thickness.

Abstract: An apparatus (“chair”) for supporting one or more reinforcement bars or post-tension cables (“bars/cables”) in a concrete structure includes a base member having a centered opening, a pair of opposing first leg members extending upward from the base member at a first angle, a pair of opposing second leg members extending upward from the base member at a second angle, and a strap-shaped locking cradle. The strap-shaped locking cradle includes an arc-shaped receiving portion attached to the first and second leg members, a flexible portion suitable for wrapping over the bars/cables and a fastener to affix the flexible portion to the arc-shaped receiving portion or one of the first leg members such that transverse and vertical movement of the bars/cables is limited and longitudinal movement of the bars/cables is allowed.

Abstract: A reinforcing bar locking device that can be easily locked at a position relatively far from an end portion of a reinforcing bar and apply a strong locking force to the reinforcing bar. The reinforcing bar (10) has a body member (11) having a through hole (11a) in which the reinforcing bar is insertable and also has a pair of fitting members (12) fitted between the reinforcing bar inserted into the through hole (11a) and the inner peripheral surface of the through hole (11a). The inner peripheral surface (11b) of the through hole (11a) is of a funnel shape whose diameter is reduced in the direction of the center axis (C). A female screw thread part (12a) with which the reinforcing bar engages is formed on the inner peripheral surface of the fitting member (12). The outer peripheral surface (12b) of the fitting member (12) is a conical surface that has surface contact with the inner peripheral surface (11b) of the body member (11).

Abstract: A form for constructing a concrete structure includes an insulating panel and at least one device shaped to anchor the concrete to the insulating panel. The device includes a base embedded in the insulating panel and a rebar support extending from the base. The rebar support is dimensioned to support rebar above a top surface of the insulating panel when the panel is disposed horizontally and while concrete is being poured thereon.

Abstract: A roof top structure support has a flat bottom rigid base to be positioned on a roof and spread the load supported by the support substantially evenly over the surface of the base in contact with the roof. A tower rises from the base and includes a slot across the top thereof and a bore therein extending downwardly from the bottom of the slot and adapted to receive a threaded rod therein. The slot in the top of the tower is sized to receive a strut therein. A bolt extending through the strut and into the bore secures the strut to the support. Struts and other structures can be supported above the tower and slot by threaded rod such as “all thread” screwed into and extending from the bore.

Abstract: A reinforcing bar joint 1 includes a sleeve 2 having an elliptic section, and a wedging means 4. The wedging means 4 is composed of wedge members 4a, 4b which are pressed into between reinforcing bars 5a, 5b. The press-in positions of these wedge members 4a, 4b are spaced away from each other so that the reinforcing bars 5a, 5b, the sleeve 2, and the wedge members 4a, 4b are integrated in the area lying between the press-in positions. This can also move the points of action of tensile forces acting on the reinforcing bars outward, thereby increasing the distance between the points of action and reducing the amount of rotation of the sleeve 2.

Abstract: A system and device for installing and mounting conduit upon a surface such as a roof The system made up of at least one support block having a body with a base and an upper portion, the upper portion having a channel defined by two upright portions each of these upright portions having an upper surface, the upper surface defining an aperture, the aperture extends from the upper surface of the upright portion down into the hollow cavity which is defined by the body. These apertures are dimensioned so as to allow a portion of an adaptable conduit connecting device to fit and be held in a desired position within said aperture.

Abstract: The invention refers to a spacing device for bridging a gap between a carrier part and a roof body and intended for fastening a roof rack, roof rail, roof strip or the like on a vehicle roof, with a support part and a counter-support part, the support part and the counter-support part being held together by a screw connection and being displaceable relative to one another to allow the adjustment of the bridging length, the support part and/or counter-support part being provided with an internally disposed adjustment tool-gripping seat intended for the manipulation and/or adjustment of the bridging length.

Abstract: A spacer wheel for use in construction using reinforcement rods cast into a compound such as concrete. The spacer wheel is configured to space a reinforcement rod from adjacent surfaces as the as the concrete is cast into a mold. The spacer wheel is of a three part design and has a base section and left and right pivotable sections. The spacer wheel uses an integrally molded hinge to join each pivotable section to the base section. The design also uses a dual rack and paw mechanism to clamp the spacer wheel onto the reinforcement rod.

Abstract: A system and device for installing and mounting conduit upon a surface such as a roof. The system made up of at least one support block having a base and an upper portion, a support rail and a variety of attachments for holding conduit to the rail. Each of the various blocks in the system configured to nest when oriented in a first direction to stack in an elevated position having a greater height when oriented in a second direction. These pieces are configured to work together to provide a mounting system with significant advantages over other devices that exist in the prior art.

Abstract: A positioner is provided for maintaining a reinforcing rod in a certain position within a void of a building unit. The positioner is sized and shaped to be attached to a reinforcing rod before the rod is inserted into the void of one or more concrete blocks or other building units. The positioner has a slot portion that fits onto the rod as well as two biased support portions that extend from the slot portion to engage the rod in a clip-like manner. The support portions are designed to engage the sidewalls of the void and may be compressible towards the rod while maintaining engagement with the rod to allow the rod and positioner to be inserted into voids that have narrower widths due to excess grout or other restrictions within the void.

Abstract: An improved, lightweight, portable, and self-contained concrete form for fabricating tilt-up concrete walls is provided. The form includes a frame made from metal frame members joined at their ends with the frame members forming the sides of the frame. The frame members may be channel shaped with their channels facing inwardly. A reinforcing mat comprising an array of crisscrossed rebars is disposed within the frame and is held in place with a plurality of brackets on the ends of at least some of the rebars and welded to respective frame members. The rebar mat is sized to be positioned in the mid portion of the frame and the brackets on the ends of the rebars are slid outwardly into and attached to the frame members by spot welding. The brackets are then spot welded to the ends of their rebars to form a rigid, lightweight concrete frame.

Abstract: A slab bolster upper for supporting rebar in a reinforced concrete structure while the concrete is poured and thereafter cures, is of molded plastic construction and is formed with horizontal and vertical voids that facilitate concrete placement and break up potential shear planes. Opposite ends of each unit are provided with complementary buckles to interconnect with like units to form a continuous support of desired length.

Abstract: A cage spacer for spacing reinforcing rods or welded fabric a specified distance from mold walls for poring concrete during construction projects. The cage spacer comprises two intersection bodies oriented perpendicular to each other and preferable with one body having a base higher than the other. A pair of pads on opposite ends of a first body base for stabilizing the body on the rebar. A pair of rebar engaging clips on opposite ends of the second body base for snapping onto and gripping a perpendicularly intersecting rebar such that the rebar is held securely in the clips. The cage spacer attaches over the intersection of a pair of rebars. At least one apex of the bodies engages a mold wall to keep the mold wall a specified distance from the rebars while concrete is being poured in the mold.

Abstract: A bolster for use in construction having a plurality of leg members arranged in generally parallel spaced relationship, a beam integrally formed with the plurality of leg members and extending transversely across the plurality of leg members, and a plate affixed to the bottom of the plurality of leg members and having a generally flat bottom surface. The plate has at least one clip formed on a top surface thereof for fixedly receiving a foot associated with at least one of the leg members.

Abstract: A chair supports rebar or wire mesh during a concrete pour. The chair is box shaped having grooves in the side walls of different width for supporting rebar of different diameter. Notches in the edge of the grooves on opposite sides of the chair support wire mesh of different diameter. The notches are shaped so the wire mesh is snapped into the notch. Wall like braces extend across the inside of the chair and support the grooves from the opposite wall. The larger grooves are on the short sides of the chair to raise the rebar a longer distance off the underlying surface. In a preferred embodiment, the chair provides two elevations for placement of rebar, namely 2″ and 3″ above an underlying surface. Parts of the box are cut away to promote concrete movement through the chair. Slots are provided to allow air trapped in the concrete to escape from the chair.

Abstract: A weldless stirrup spacer for manual installation, without a tool, on the concentric or parallel inner and outer reinforcement wire cages of reinforced concrete pipe or other concrete structures so as to position and maintain the cages at the required spaced-apart location. The spacer is formed as a unitary resilient wire member having a pigtail-shaped hook end at one end of a central spanning portion and a fastening end portion at the other end of the spanning portion. When installed, the pigtail-shaped hook end encircles a main reinforcement wire of the inner reinforcement cage, and the fastening end portion resiliently captures an opposed main reinforcement wire of the outer reinforcement cage. The fastening end portion includes a rounded loop portion which extends beyond the outer cage to contact the adjacent mold wall and space the outer reinforcement cage at the appropriate concrete-cover distance from the mold surface.

Abstract: A weldless spacer for wire reinforcement of concrete is provided formed of a one piece, stamped design. An upper rail is formed parallel to a lower rail, and a series of vertical support elements are formed parallel to each other but perpendicular to both the upper rail and the lower rail. Flat plate stock, such as galvanized metal is used to formed a corrosion free spacer can supplant entirely the use of conventional reinforcing screens, but can be deployed and used in a manner similar to current conventional techniques.

Abstract: A concrete reinforcing bar support including a base, a support structure extending upwardly from the base, a first clamping member affixed to the support structure and extending upwardly above a top surface of the support structure, a second clamping member affixed to the support structure and extending upwardly above a top surface of the support structure, and a third clamping member affixed to the support structure and extending upwardly above the top surface of the support structure. The second clamping member has an interior surface generally facing the interior surfaces of the first and third clamping members. The first clamping member is separated by a space from the third clamping member. Ribs extend inwardly from the interior surfaces of each of the clamping members so as to compressively contact a reinforcing bar placed interior of the clamping members. The support structure has a generally H-shaped cross-section in a plane parallel to said base.

Abstract: Rod chairs for use in concrete form for positioning reinforcement rods prior to filling with concrete includes a flat rectangular metal blank for folding into a rod chair that includes an elongated planar portion having a pair of spaced portions to be bent to form a pair of generally curved end walls and a pair of horizontal parallel sides to be bent downwardly to form a pair of generally horizontal flanges, and having at least one three sided cut-out to form at least one elongated finger integrally with the planar portion to be bent upwardly to form a hook for holding a reinforcement rod therebeneath, a pair of recess cut-out apertures positioned at free ends of the planar portion, and elongated cuts intersecting the respective recess cut-out apertures and extend generally along the longitudinal axis to the respective free ends of the metal blank to be bifurcated and separated angularly from the recess cut-out apertures to the free ends to form a pair of leg portions wherein each leg portion to be bent to fo

Abstract: A concrete reinforcing bar support including a base, a support structure extending upwardly from the base, a first clamping member affixed to the support structure and extending upwardly above a top surface of the support structure, a second clamping member affixed to the support structure and extending upwardly above a top surface of the support structure, and a third clamping member affixed to the support structure and extending upwardly above the top surface of the support structure. The second clamping member has an interior surface generally facing the interior surfaces of the first and third clamping members. The first clamping member is separated by a space from the third clamping member. Ribs extend inwardly from the interior surfaces of each of the clamping members so as to compressively contact a reinforcing bar placed interior of the clamping members. The support structure has a generally H-shaped cross-section in a plane parallel to said base.

Abstract: The invention relates to a reinforcing cage for a concrete element (1) comprising at least two layers of longitudinal armorings (C, T) maintained spaced from one another by transverse armorings (E).

Abstract: Device for supporting and connecting concrete reinforcing elements which has a base adapted to rest on a supporting surface, an upright post extending from the base, and a clip mounted on the post having a pair of orthogonal sockets engagable with two horizontally extending reinforcing elements for connecting the elements together at right angles to each other and holding the elements a predetermined distance above the supporting surface.

Abstract: A support device for use in tilt-wall construction including a support body having at least two support legs and a bottom extending between the support legs, and a base formed of a polymeric material. The base is affixed to the bottom of the support body. The base has a plurality of legs extending outwardly therefrom. The support body is of a generally U-shaped or L-shaped cross-section. The support body is formed of a single piece of a metal material. The support legs each have a slot formed adjacent an edge opposite the bottom. These slots open on opposite sides of the support legs.

Abstract: A reinforced-concrete floor slab thickness indicator/reinforcement rod spacer combination consists of a base, a spacer and an indicator erected from the base, and a bracket integrally and laterally extended from the spacer. The indicator is releasably attached to the bracket by a U-shaped clamping member cooperating with a cam member. The spacer consisted of a seat fixedly mounted on the base, a medial portion threadedly connected with the seat and a supporting portion slideably mounted on the medial portion.

Abstract: A device for expediently and efficiently adjoining overlapping segments of reinforcement bar with substantially accurate and precise measures of overlap is disclosed. The device comprises a first coupling element for coupling to a first reinforcement bar and a second coupling element for coupling to a second reinforcement bar. The device is structured and configured to gauge the amount of overlap between the first and second reinforcement bars upon coupling the first and second coupling elements to their respective reinforcement bars. A guide element may be provided to guide the second reinforcement bar into contact with the second coupling element to aid in coupling the second reinforcement bar to the second coupling element over a substantial distance. A coupling device according tot he invention may comprise two coupling components each having a first opening at a first end and a second second opening at a second end.

Abstract: An adjustable concrete form comprises at least one tube and an adjustable stake having a post and a tube cradle. A bracket is removably connected to the tube for supporting rebar in spaced-apart relation to the excavation bottom. The bracket includes a tube engaging portion and a rebar supporting portion. The tube engaging portion is configured for connecting the bracket to the tube. The rebar supporting portion extends laterally from a proximal end connected to the tube engaging portion to a distal end spaced from the tube engaging portion.

Abstract: A vertical-rebar-support system has a ring base (1) oriented horizontally intermediate side walls (2) of a concrete-foundational excavation (3). A vertical-rebar receptacle (4, 9, 10, 18) is off-centered on the ring base and a rebar-L-base receptacle (7, 8) for an L-bent rebar (5) is disposed oppositely on the ring base to retain a vertical rebar rigidly upright. Optionally, a vertical rebar (17) without an L-bend can be used for some construction and in non-hurricane areas. The ring base and vertical rebar can be positioned above or below horizontal rebar (13) proximate a bottom (15) of the concrete-foundational excavation. A use method is rotating the ring base with the vertical rebar attached to position the vertical rebar laterally between the side walls of the concrete-foundational excavation while moving the ring base intermediate terminal ends (19) of the concrete-foundational excavation in accordance with a guide line (20) and desired measurements.

Abstract: An adjustable concrete form comprises at least one tube and an adjustable stake having a post and a tube cradle. The tube has at least one drainage aperture providing the form with drainage. The adjustable stake is configured for adjustably supporting the tube in spaced-apart relation to an excavation bottom. The post has at least one slender end to facilitate driving the post partially into the excavation bottom. The tube cradle is configured for releasable engagement with the tube to thereby secure the tube relative to the post and to support the tube in spaced-apart relation to the excavation bottom. The tube cradle is adjustably connected to the post so that adjustment of the post relative to the cradle effectuates adjustment of the tube relative to the excavation bottom.

Abstract: An attachable spacer for maintaining a spaced relationship between first and second wire mesh concrete reinforcing cages is formed of a length of wire and has an elongated central portion adapted to extend between the cages and first and second attachment clips on first and second outer ends of the central portion for attaching the ends of the spacer to the first and second cages. The first attachment clip has a fastener that hooks on a wire of one of the cages so as to resist movement of the spacer in a direction perpendicular to a plane of the cage or transverse to the wire to which the hook is attached.

Abstract: A new Height Adjustable Rebar Support System for supporting rebar at various elevations during pouring and curing of concrete with a single adjustable support member. The inventive device includes a first panel having a first lower slot, a second panel pivotally attached to the first panel having a second lower slot, an aperture and a notch into the first panel near the first lower slot, and a beaded cord secured to the second panel. The end of the beaded cord opposite of the second panel selectively engages the first panel through the aperture thereby adjusting the separation of the first panel with respect to the second panel opposite of the pivoting point. The beaded cord comprises a plurality of color coded beads for indicating the exact height selected with a selected color of bead juxtaposed to the first panel within the aperture.

Abstract: A frame structure is strengthned against earthquake shock and disastrous winds by extending some of the foundation rebars above the foundation walls and clamping on extension lengths of rebar and securing them to the ceiling joists. Special clamps are used which tightly secure the rebar and which also may be attached to other frame members of the structure.

Abstract: Retaining clips are provided by the present invention for use in a novel method of constructing radiant heat flooring. The clips are used to secure heating pipe that has been laid on top of a wire grid. The pipe is secured by attaching the retaining clip to the wire grid so that the retaining clip passes from one point of attachment on the wire grid, over the pipe, to another point of attachment on the grid, without passing beneath the grid or the pipe.

Abstract: A spacer for a reinforcement bar to be embedded in concrete has a band-like member adapted to wrap around and encircle the reinforcement bar and formed at its ends with a pair of screw parts with external formations which form a screwthread when the two parts are brought together to cause the band to encircle the reinforcing bar and a base with a correspondingly threaded bore at one end is threaded onto the resulting screw to cause the clamping member to seize the reinforcing bar and mount the base on the reinforcing bar.

Abstract: This invention is a rebar spacer device which is used to set the rebar without using a tape. The device has an L-shaped track with scribe marks at pre-determined intervals on the top. The track further has integral upper and lower rails which have elongated cut-out on the edge. A plurality of rebar holder slidingly engaged to the track wherein each holder has clamping section for securing the rebar in place; Each holder further has grooves on the top and bottom portions wherein the grooves are complimentary to the upper and lower rails and mate with these rails when the rebar holders are mounted on the track.

Abstract: A spacer for use in locking two cages into an integral unit of reinforcement and spacing the reinforcement from the surface of the form used in making large concrete products such as box sections, pipes, culverts and manholes. The spacer provides for precise placement of the reinforcement cages without the necessity of welding or the use of ties to retain the spacer in place. The spacer uses an eye configuration for spacing a torsion lock that provides for both ease of installation and positive locking of the spacer onto the cages.

Abstract: The rod-support chair of the present invention comprises a plastic channel made of a thermoplastic resin preferably selected from the group consisting of polycarbonate, aromatic polyester carbonate and aromatic polyesters. The channel is further characterized in that its physical dimensions and material properties permit its elastic and bending across its long dimension around at least part of the circumferential cross-section of a reinforcing rod and provide support for the rod for a period which is necessary for the concrete to set. The channel in its "in use" configuration is left in the cured, or set concrete and does not interfere with the setting process nor does it contribute to rust formation.

Abstract: An extensible reinforcing bar assembly for readily permitting a plurality of bars to be extended with respect to each other and establish a desired combined length. The assembly includes a plurality of improved plastic clips for attaching the two bars while permitting them to be movable with respect to each other under applied longitudinal force.

Abstract: An apparatus, method and assembly are disclosed for spacing a wire reinforcement from a concrete article form such as pipe form. Spacers are employed which include a U-shaped spacer portion extending from a mounting means which includes a positioning means, a torsion means, and arms extending therefrom to hook about a wire in said fabric and be held thereto substantially by the torsion generated within the torsion means. The reinforcement spacers are mounted at spaced points on a pipe reinforcing cage, for example, around the circumference and along the length of the cage so that each spacer portion extends radially outwardly therefrom the hold the cage in properly spaced relationship to the pipe form.

Abstract: A support for maintaining concrete reinforcement at a pre-determined level during the pouring of concrete there around comprises an assembly of at least a pair of adjacent inverted `U` shaped metal yokes 10. Each yoke comprises a pair of spaced substantially parallel limbs 12 interconnected by a bridge element 14 and adjacent limbs of adjacent yokes of the assembly are frictionally connected together by intermediate couplings 16 and foot connectors 18 whereby the angle between adjacent yokes may be initially pre-selected and thereafter frictionally maintained.

Abstract: A bar-positioning member comprising a long metal wire or wire rod with at least one indentation to receive a metal bar intersectingly disposed relative to the wire. The indentation is formed by bending part of the wire and it has only one opening which opens along the longitudinal direction of the wire. The indentation has a bottom shaped approximately in conformity with the circumference of the bar.An apparatus for making a bar positioning member, as above described, comprising a pendulumlike mold member swingable about the base end thereof. The mold member has a grip to hold an intermediate portion of the wire, and the contour of the base end is shaped in conformity with the shape of the indentation.