Abstract: A cap member for a dual-compartment adhesive dispensing cartridge comprises a pair of dependent plugs, the cap member is initially integrally secured upon an upper end portion of a dispensing outlet portion by frangible connections which are defined between the plugs and upper end portions of a pair of dispensing conduits that are defined within the dispensing outlet portion by a divider wall. In addition, an axially oriented web member extends upwardly from a central region of the dispensing outlet portion, and the cap member is integrally secured to the upper extremity of the web member by another frangible connection. In this manner, when the cap member is to be separated from the dispensing cartridge, the integral connection defined between the cap member and the web member effectively serves as a pivotal fulcrum about which the cap member can be pivoted.

Abstract: A dual-compartment adhesive dispensing cartridge comprises a pair of storage compartments for containing two different reactive components of, for example, an adhesive mixture. A pair of dispensing conduits are defined within a dispensing outlet portion by means of a divider wall which extends through the entire axial extent of the dispensing outlet portion so as to ensure that the two reactive components are maintained separate until the components are to be dispensed. A cap member comprises a pair of dependent plugs, and the cap member is initially integrally secured upon the upper end portion of the dispensing outlet portion by means of peripheral frangible connections which are defined between the plugs and the upper end portions of the dispensing conduits which define dispensing outlet ports.

Abstract: A setting tool for facilitating the insertion of threaded rod anchors within a substrate or foundation comprises a substantially cup-shaped housing having an internally threaded bore for threadedly receiving and mating with an threaded rod anchor. A button member extends axially inwardly from an internal end portion of the cup-shaped housing and comprises a planar engagement surface for engaging the free end portion of the threaded rod anchor in a non-destructive manner, wherein the free end portion of the threaded rod anchor may have a planar or non-planar surface. An annular notch is also defined within an outer peripheral surface portion of the housing so as to define a line of frangibility along which the cup-shaped housing can be separated into a residual portion, which may be discarded after the threaded rod anchor is fixed within the foundation or substrate, and a nut member which remains threaded upon the threaded rod anchor for securing auxiliary components to the substrate or foundation.

Abstract: A chemical anchoring adhesive having a solid, putty-like consistency includes two parts in direct contact with each other along an interface. The first part includes about 20-45% by weight of an epoxy resin, about 10-40% by weight of a first particulate filler having an oil absorption value of at least about 30, and about 40-65% by weight of a second particulate filler, at least about 70% of which has a U.S. Sieve size between 16 and 45. The second part includes about 5-20% by weight of an aliphatic amine compound, about 0.1-15% by weight of a tertiary amine compound, about 1-23% by weight of a first particulate filler having the oil absorption described above, and about 52-87% by weight of a second particulate filler having the U.S. Sieve size described above.

Abstract: A method of making and applying a chemical anchoring adhesive in the form of a highly viscous, self-contained rope or slug is provided. The rope or slug has an average cross-sectional area determined from a formula that takes into account the cross-sectional area of a borehole, the average cross-sectional area of an anchor pin to be inserted into the borehole, and a penetration factor which reflects penetration of the adhesive into the walls of the borehole. By selecting the proper area for the anchoring adhesive, the rope can be cut into slugs having depths equal to the depths of boreholes. When the slugs are inserted into the boreholes, and anchor pins are driven, the amount of adhesive provided by each slug will be just enough to completely fill the interstitial spaces between the anchor pin and inner wall of the borehole, accounting for penetration of some adhesive into the borehole wall.

Abstract: A method of applying a chemical anchoring adhesive to the interior of a borehole includes the steps of providing a highly viscous, self-contained slug of chemical anchoring adhesive, inserting the slug into the borehole, providing an anchor pin, and driving the anchor pin into the borehole using a driving tool that imparts rotary motion to the anchor pin. The adhesive slug includes a first part having a first color and including a resin, and a second part having a second color different from the first and including a curing agent. The rotary motion of the anchor pin mixes the first and second parts together to form a substantially homogeneous composition having a third color different from the first and second colors. The visual indication provided by the third color notifies the worker when the mixing is complete, saving time and money at the construction site while minimizing the occurrence of defective or insufficient mixing.

Abstract: A rope of chemical anchoring adhesive useful in heavy construction applications includes first and second parts in continuous contact along an interface extending the length of the rope. The first part includes a resin and has a highly viscous, putty-like consistency. The second part includes a curing agent and has a highly viscous putty-like consistency. The rope can be cut into slugs at the construction site which are sized according to the depth of the borehole, into which the anchor pin is driven.

Abstract: An adhesive anchor system having a ribbed anchor member with a threaded opening therein, a tube member having a first end portion connected to an end of the anchor member in alignment with the opening thereof, and a cap covering the opening at another opposite end of the anchor member. In some embodiments the tube member includes measurement indicia thereon for accurate depth placement, and may include a severable portion protruding beyond the work surface and/or a removable tube cover to prevent contamination of the threaded opening of the anchor member.

Abstract: A chemical anchoring adhesive includes first and second parts each having a highly viscous, putty-like consistency. The first and second parts are joined directly to each other along an interface. The first part includes a resin, and the second part includes a curing agent. The anchoring adhesive does not require separate encapsulation of one or both parts, and can be formed and cut to desired sizes and quantities at any stage before insertion into a borehole.

Abstract: An adjustable tool is disclosed for dispensing a two-part adhesive from a two-chamber cartridge having a mixing nozzle with each chamber having a plunger. Pistons are insertable into the respective chambers. Piston rods and a drive rod move conjointly with the pistons. A lever is pivotable on the frame. A feed nut is mounted loosely on the drive rod so as to be capable of gripping the drive rod when canted for moving the feed nut, the drive rod, the piston rods, and the pistons conjointly to a forward limiting position of the feed nut when the lever is actuated. A spring biases the feed nut backwardly and permits the feed nut to be canted, to grip the drive rod, and to be moved forwardly and conjointly with the drive rod, the piston rods, and the pistons when the lever is pivoted into an actuated position. A set screw threaded adjustably into a threaded hole in the frame defines a backward limiting position of the feed nut.

Abstract: A screen for anchoring a fastener to a hollow block or brick wall which includes an elongate tubular plastic screen member having first and second opposite ends and a uniform diameter along its length. The first end is formed substantially into a frusto-conical shape that includes at least a portion thereof where the mesh of the screen is closed off. At least one reinforcement member is formed along the length of the elongate screen member that enables the elongate screen member to be inserted within a first aperture formed in a first wall of a hollow block and maintain the desired stiffness of the tubular screen member so that it can extend across the interior of the hollow block for blind insertion into a second aperture formed in a second opposite wall of the hollow block.

Abstract: A construction anchor for mounting an object on a structure of masonry, concrete, wood, metal or the like includes an anchoring portion and a cap. The anchor is adapted to be inserted, anchoring portion first into a pre-drilled adhesive-filled hole. The anchoring portion has a threaded bore, which includes an unthreaded close-fit-counterbore portion outward of a threaded portion. The cap prevents dust, dirt and adhesive from entering the threaded bore, and has an upper surface with a removable central area. When the adhesive has set, holding the construction anchor within the hole, the central area is removed, and a screw or bolt is inserted through the hole left by the removal and engaged with the threaded portion of the threaded bore. The unthreaded close-fit-counterbore portion of the threaded bore provides a stretch zone for the screw or bolt.

Abstract: A screen for anchoring a fastener to a hollow block or brick wall which includes an elongate tubular plastic screen member having first and second opposite ends and a uniform diameter along its length. The first end is formed substantially into a frusto-conical shape that includes at least a portion thereof where the mesh of the screen is closed off. At least one reinforcement member is formed along the length of the elongate screen member that enables the elongate screen member to be inserted within a first aperture formed in a first wall of a hollow block and maintain the desired stiffness of the tubular screen member so that it can extend across an interior of the hollow block for blind insertion into a second aperture formed in a second opposite wall of the hollow block.

Abstract: A screen for anchoring a fastener to a hollow block or brick wall which includes an elongate tubular plastic screen member having first and second opposite ends and a uniform diameter along its length. The first end is formed substantially into a frusto-conical shape that includes at least a portion thereof where the mesh of the screen is closed off. At least one reinforcement member is formed along the length of the elongate screen member that enables the elongate screen member to be inserted within a first aperture formed in a first wall of a hollow block and maintain the desired stiffness of the tubular screen member so that it can extend across the interior of the hollow block for blind insertion into a second aperture formed in a second opposite wall of the hollow block.

Abstract: A construction fastener assembly to be secured with an adhesive within an aperture of a structure such as masonry, concrete, metal or the like where the fastener assembly includes an elongate fastener member having a first end for insertion within the aperture and a second opposite end accessible from the exterior of the aperture. An adhesive retaining member is secured to the first end of the fastener member for accepting adhesive therein, for flexibly collapsing upon insertion of the retaining member and the fastener member within the aperture and for ejecting the adhesive from the retaining member into the aperture to secure the fastener member therein.

Abstract: A construction anchor for mounting an object on a structure of masonry, concrete, metal or the like includes a metal anchoring portion and a plastic cap. The anchor is adapted to be inserted, metal end first, into a pre-drilled adhesive-filled hole. The cap has a flange that is larger than the hole diameter, so that the anchor may be inserted and seated in the hole at a consistent depth. When the adhesive has set, a screw or bolt is inserted through the plastic cap to engage the threads in an internal bore in the anchoring portion. The plastic cap serves not only to determine the depth of the anchor in the hole, but also to prevent adhesive and other material from entering the threaded interior of the anchor prior to use.

Abstract: A construction anchor for mounting an object on a structure of masonry, concrete, metal or the like includes a metal anchoring portion and a plastic cap. The anchor is adapted to be inserted, metal end first, into a pre-drilled adhesive-filled hole. The cap has a flange that is larger than the hole diameter, so that the anchor may be inserted and seated in the hole at a consistent depth. When the adhesive has set, a screw or bolt is inserted through the plastic cap to engage the threads in an internal bore in the anchoring portion. The plastic cap serves not only to determine the depth of the anchor in the hole, but also to prevent adhesive and other material from entering the threaded interior of the anchor prior to use.