Abstract: In civil engineering and construction engineering, surfaces are coated with a novel composition essentially consisting of a mixture made of (a) a principal ingredient including cement, silica sand, iron oxide, zinc oxide and glycine and (b) a composite polymer emulsion including carboxy-modified styrene-butadiene, cyclohexyl methacrylate, and styrene polymers, wherein the mixing ratio of said mixture is 2-6:1.

Abstract: A device and method for covering pilings of piers and the like includes a plastic cover or sheet which is wrapped around the piling for protecting the piling against rot, weather and wear. The plastic sheet ends overlap as they wrap around the pile. The ends are sealed and secured by a heatable strip extending between the overlapped ends of the sheet and which forms a fused plastic seam between the overlapped ends as the sheet is held tightly about the pile. A strap and a bar which presses over the heatable strip is provided for temporarily cinching the plastic sheet tightly about the pile and holding it while the heat fusing occurs.

Abstract: The improved vehicle body surface repair patch assembly of the present invention is suitable for use in conjunction with a vehicle body surface repair compound, and includes a thin and relatively rigid plate which may be of metal or plastic and which is perforated to receive in such perforations the vehicle body surface repair compound to provide substantial thickness and accordingly enhanced strength to the repair patch. Adhesive coating means are disposed on the back surface of the perforated sheet, and mesh means preferably formed of fiberglass mesh are secured to the front surface of the perforated plate to receive, to support and to hold the vehicle body surface repair compound, thereby to provide a matchingly contoured surface with that of the vehicle body surface to be repaired.

Abstract: A method and kit for repairing in situ a utility pole, especially a wooden one, when damaged at around ground level uses a sleeve to surround a substantial length of the pole and a non-shrink hardenable pourable composition to occupy a clearance between the sleeve and the pole and form a solid core bonded to both of them, so as to yield a very strong assembly. Preferably the sleeve is of two identical parts clipped together round the pole, and the composition is a magnesium phosphate cement.

Abstract: A utility pole support (42) for repairing or strengthening a damaged or broken utility pole (2) including a first part (44) which is securely fastened to the pole above ground level in use and a second part (46) which is so shaped to be driven into the ground against the surface of the pole under the ground in use to provide support around the weakened part (10) of the pole, the support being retained in place below ground level by the action of the earth against the pole support.

Abstract: A method and apparatus for installing an in-ground support footing around subterranean and above-ground portions of an upstanding elongate object, such as a structural pole, post or the like, to enhance structural integrity thereof, includes providing a cylindrical casing of hollow construction having a cutting end concentrically positionable around a lower, above-ground region of the elongate object so that the cutting end engages the ground. A driver is then positionable about a circumferential portion of the casing means operable for engaging and rotating the casing means about its longitudinal axis while simultaneously imparting a downwardly-directed force against the upper edge of the casing means thereby to drive it in the ground to a predetermined depth.

Abstract: The useful life and carrying capacity of an existing steel truss bridge are increased by adding a support arch assembly secured to the truss structure. In the preferred embodiment the support arch structure assembly includes arch members running along each side of the bridge. Each arch member includes two spaced arch sections, each arch section including end-to-end beams, preferably channel beams, forming an arcuate path. The web portions of the arch beams are secured to hangers of the truss structure, one arch section extending on the inboard side of the hangers, the other section extending on the outboard side. Additional floor beams may be added, along with corresponding additional hangers which can be secured to the arch beams. The support arch assemblies may be post-tensioned by tension bars connected between opposite ends thereof.

Abstract: A sealing plug for a cone-type tie rod opening in concrete walls and the like formed by solid high density polyvinyl chloride of generally conical shape having a cylindrical head of diameter somewhat smaller than the mouth of the opening to permit insertion therein of the plug and provided with a peripheral front planar flexible lip of diameter slightly greater than said diameter of the head, the head tapering into a rear frusto-conical plug section, the overall length of the plug being small compared to said head diameter, such that the forcing of said plug into said opening causes the side walls of said head and at least part of said rear plug section to pressure-seal with adjacent concrete wall portions of said opening and with said lip resiliently pressed forward to effect a front peripheral seal. The plug may also be adapted with roughened side walls to intermix with concrete particles during plug insertion to lock the plug in the opening against withdrawal.

Abstract: In an array of overlapping siding panels, which are secured to the wall of a house or the like, if the hook-shaped lower edge of a panel becomes loose or disengaged from an underlying panel, it is repaired by inserting and securing the upper edge of a repair element beneath the lower edge of the loose panel, and above the upper edge of the underlying panel, and so that a hook on the lower edge of the element engages beneath and forms and extension for a hook formed along the upper edge of the underlying panel. The hook-shaped lower edge of the loose panel is then snapped over and secured by the hook on the lower edge of the element.

Abstract: A procedure for providing an overlay on a concrete slab or similar subsurface including the steps of placing a plurality of anchor holes into the concrete slab to be repaired and/or providing an anchor channel at its periphery, providing a bed of fibers on the exposed surface of said concrete slab and extending into and filling said anchor holes and/or channel, infiltrating a flowable cement slurry throughout the fibers and into the anchor holes and/or anchor channel, and curing the slurry to form an overlay which has integral fiber-reinforced anchor portions extending into the slab.

Abstract: A method and apparatus for on-site repair and refinishing of building panels that have been discolored or worn is provided. In one embodiment, worn acoustical tiles are first removed from their installed location ceiling and worn parts are cut off. Replacement parts are then fitted to the remaining portion of the worn tile and adhesively attached. The repaired tile is then sprayed with adhesive and a sheet of decorative material is attached. Finally, the repaired tile with the decorative material attached is run through pinch rollers, resulting in a neat and secure bonding. The tile is then re-installed in its original location with the decorative material exposed.In another embodiment, a worn or discolored ceiling tile is removed from the ceiling and placed into a pre-fit, semi-rigid decorative covering. The tile and decorative covering are then replaced in the ceiling in the original position of the tile with the decorative covering exposed.

Abstract: A method for restoring a large area of deteriorated plaster wherein several layers of joint compound are applied to the cleaned out work area. A screen is applied with the first layer and the second layer and the second layer has a sufficient layer removed while wet to be made flush with the original plaster surface.

Abstract: The repair of holes in walls constructed of plaster core wallboard accomplished by installing clips around the periphery of the holes to retain patches as plaster is being applied. The clips having points pressed into the back surface of the wallboard at a distance from the edge of the holes determined by positioning lugs and patch locating lugs which project into the holes to position the patches in relation to the front surface of the wallboard.

Abstract: A soil excavating and utility pole securing sleeve is disclosed which will, when rotated around a standing utility pole, excavate an annulus of soil between the pole and the interior of the sleeve. The excavating sleeve defines an elongated hollow cylinder having teeth and inwardly bent excavating doors or flaps at one end which moves the soil between the utility pole and the sleeve out the door or flap and compacts the soil into the earth surrounding the sleeve. The sleeve is rotated into the ground around the utility pole for half its length, left there, and the evacuated annulus of soil then filled with a mixture of epoxy, resin, fungicide, and aggregate, allowed to cure and harden in order that the utility pole, the filling, and the sleeve become one single structure with a strength greater than that possessed by the original utility pole when new.

Abstract: A method and kit for repairing in situ a utility pole, especially a wooden one, when damaged at around ground level uses a sleeve to surround a substantial length of a pole and a non-shrink hardenable pourable composition to occupy a clearance between the sleeve and the pole and form a solid core bonded to both of them, so as to yield a very strong assembly. Preferably the sleeve is of two identical parts clipped together round the pole, and the composition is a magnesium phosphate cement.

Abstract: A fastener for supporting a section of wallboard inserted into the opening of a wall consisting of a metal clip having a pair of flat segments for engaging adjacent portions of the section and the wall. A V-shaped member connects the two flat segments and spikes are employed on the V-shaped member and the flat segments to effect the attachment.

Abstract: A door jamb support includes an L-shaped reinforcing plate having a recessed portion with an opening therethrough positioned to be in alignment with a door latch on a door, a strike plate positionable within the recessed portion having an opening therethrough in alignment with the opening in the reinforcing support plate, an adjustment mechanism for adjusting the position of the strike plate on the support plate to vary the location of the strike plate opening with respect to the support plate opening, the fasteners for mounting the strike plate on the support plate. The adjustment mechanism includes a series of spaced projections on the strike plate above and below the strike plate opening and a corresponding series of spaced indentations on the support plate above and below the support plate opening. The adjustment feature enables the reinforcing support plate to accommodate variances in the design of and in the position of door handle latches in doors.

Abstract: A system for and a method of establishing an inground footing for supporting a post, pole or other such object, especially a replacement utility pole is disclosed herein. An open-ended, hollow casing of particular longitudinal configuration is utilized as the main component for the footing, and to this end, is threaded into the ground. A specific apparatus for threading the casing into the ground is also disclosed herein along with its method of operation. In addition, a method of adding strength and stabilization to the soil at a particular ground location, for example, a location surrounding the casing just mentioned is disclosed herein. This latter method is carried out utilizing a specific apparatus for injecting grout into the inground location to be strengthened and stabilized.

Abstract: Disclosed is a repair kit apparatus and a method for repairing holes in drywalls, sheet-rock or gypsum board. The repair kit comprises a template having a saw guide or diagonal slot, one or more repair plugs, patching compound and instructions for effecting the method of repairing the drywall. The template is used to cut out a portion of the drywall about the damaged area, with the drywall being at a sloped angle or contoured inwardly. The repair plug has a peripheral sloped wall edge and is dimensioned for being insertable into the cutout with its sloped wall edges abutting the sloped or contoured wall portions defining the prepared drywall cutout. The repair plug may be mounted within the drywall cutout such that its outermost (face) surface is slightly recessed below the surface of the drywall. Next, patching compound may be applied over the repair plug to form a relatively flat smooth wall surface.

Abstract: A system for and a method of establishing an inground footing for supporting a post, pole or other such object, especially a replacement utility pole is disclosed herein. An open-ended, hollow casing of particular longitudinal configuration is utilized as the main component for the footing, and to this end, is threaded into the ground. A specific apparatus for threading the casing into the ground is also disclosed herein along with its method of operation. In addition, a method of adding strength and stabilization to the soil at a particular ground location, for example, a location surrounding the casing just mentioned is disclosed herein. This latter method is carried out utilizing a specific apparatus for injecting grout into the inground location to be strengthened and stabilized.

Abstract: A repair patch kit for repairing holes in panels of composite materials includes a bolt having a rigid washer of about the same diameter as the hole to be repaired. The rigid washer bears against a slit disc that is substantially larger than the hole. The slit disc can be twisted to open the slit, and the slit can be inserted over the edge of the hole. The disc can then be "threaded" or rotated through the hole by merely revolving the bolt around the hold periphery. On the blind-side of the panel, the disc slit closes and a full disc form is presented to the blind-side of the panel. A set of resin-impregnated fabric plies is pushed through the hole behind the slit disc on the bolt and is pressed against the marginal regions of the hold on the blind-side of the panel by the slit disc.

Abstract: The present invention relates to a repair device for planar surfaces, such as drywall panels, wherein the repair of holes in a panel can be performed without a laborious and time-consuming process whereby a portion of the drywall must be removed or the entire drywall panel must be detached from the wall studs and replaced with a new panel. The device comprises a fan like object which opens up to form an umbrella effect, implemented by the use of a rotary mounting arrangement of fan blades which are slidably disposed or mounted about the periphery of a disc. In addition, a tripod-like supporting arrangement is disconnectably connected to the disc for supporting the device against the inner surface of the panel. In use, the device, with the fan in a closed position, is inserted through a hole or opening in the planar surface which requires repair.

Abstract: A method by which a concrete block foundation wall is strengthened and reinforced. Upper and lower access openings are chiseled in the wall to provide access to a vertical passage formed by aligned cavities in the blocks. A lower anchor bolt is inserted through the lower opening and anchored to the foundation wall footing at the bottom of the passage. An upper bolt is inserted through the upper opening and extended through the wood plate which rests on top of the wall. A nut is threaded onto the upper bolt. A flexible steel cable is inserted into the passage through the upper opening and fastened to the upper bolt at one end and to the lower bolt at the other end. The nut is then tightened on the upper bolt to place the cable in a taut condition. A spacer is inserted through an intermediate opening in the wall and used to deflect the cable to a bowed shape. The passage is then filled with cement to form a vertical column of cement reinforced by the steel cable.

Abstract: The structural characteristics of standing poles are enhanced or preserved, or changed to provide break-away characteristics, by a technique which includes forming one or more sheets about the pole. The sheets are defined by an outer jacket, a plurality of spacer members positioned within the jacket and a solidified encapsulating material which fills the jacket.

Abstract: An assembly (10) for supporting a post (12) with respect to an aperture (14) in concrete (16) includes first and second opposed surfaces (32). Each of the surfaces (32) has one end shaped to fixedly engage an end of the post (12). Each of the surfaces (32) has a second end extending longitudinally beyond the end of the post (12). The extending ends of the surfaces (32) are configured to enter the aperture (14) and have opposed camming shapes (38 and 44) which wedge the extending ends of surfaces (32) into tight engagement with the aperture (14) as the extending ends move further into the aperture (14). The method includes providing such an assembly, driving the assembly to position one end of the surfaces (32) against the post (12) and the extending end into aperture (14), so that the camming surfaces (38 and 44) push the extending end of the surfaces (32) against the aperture (14). The surfaces (32) are then fixedly attached to opposing sides (24 and 26) of the post (12) by screws (22).

Abstract: A high-pressure packing device for injecting hardenable synthetic resin into cracks in concrete includes a sleeve of plastics to be wedged into a hole drilled in concrete in the region of the crack and an injection needle attached to the sleeve. The outer surface of the sleeve is formed with grooves starting from the front end face of the sleeve and extended axially of the sleeve to permit the synthetic resin injected into the base of the hole through the sleeve to rise along the grooves towards the crack in concrete to seal the crack.

Abstract: This invention is directed to a wall-patch-plug device to aid in the patching of holes in damaged plaster or gypsum-type-wallboard structures. One arrangement thereof is formed having a pair of circular plates joined together in a superimposed manner by means of a rotatable, eccentric, keeper member that allows the plates to be moved out of alignment with each other so as to be adjustably fitted within a hole in the damaged wall, thereby allowing patch material to fill the hole by using the patch plug as a backing or support for the patch material. A second patch plug is formed having a pair of slidable semicircular plates which are adjustable to engage within the hole of a damaged wall.

Abstract: By means of a molding device for the fabrication of sub-soil curtain wall sections in the construction of the walls of sub-soil structures, measures are provided, even as the sub-soil curtain walls are being constructed, such that it is possible to introduce an injection of sealing compound into possible leakage points simply and optimumly after the building work has been completed. This arises according to the invention in that the molding device is a precast concrete structural part which remains in the sub-soil structure wall and which has at least one injection pipe which passes vertically therethrough and which is provided with injection valves for injecting leakage points with sealing compound.

Abstract: An open ended tubular body member has a continuous defining side wall formed of rigid sheet material of high tensile strength. This body member is arranged to be driven into the end of a wood pole longitudinally with the grain. The side wall is contoured to have a plurality of adjoining wall portions with adjacent ones of the wall portions being disposed angularly relative to each other and each arranged to intersect the growth rings of the wood in a diagonal direction. The device resists radial checking of the pole due to aging of the pole or moisture changes and also reinforces the pole whereby mounting bolts for brackets or cross arms are arranged to have a positive securement to a pole.

Abstract: A wall repair kit includes a supporting member for disposition in back of an opening in the wall to be repaired. A mounting member is engageable with the supporting member for locating the supporting member in juxtaposition to the opening and locating means on the supporting member maintains the supporting member in operative relationship with said opening during the installation of the supporting member into permanent relationship with the opening.The present invention relates to a wall repair kit for utilization in repairing holes in walls, hollow door structures and the like. It also relates to the method of patching such holes by the utilization of the device.

Abstract: A method is provided for repairing or preventing the faulting phenomenon in unreinforced concrete highways. Flowable, foamable, curable compositions are injected into the transverse joint between concrete slabs to fill any voids that exist between or under the slabs, and to fix loose incompressible "fines" which are forced beneath the slabs.

Abstract: This invention is directed to method and apparatus for repairing damaged dry wall building panels and includes a selectively constituted repair strip operative to properly position the marginal edges of a redefined opening and replacement panel segment to effect co-planar positioning of the latter relative to undamaged wall sections.

Abstract: Plaster core laminated wallboard is repaired or finished with a repair article comprising a substantially rigid steel plate having integral teeth forcibly insertable into the wallboard to hold the article in place over the damaged area, and a flexible cover portion formed of wallboard facing paper overlapping the edges of the plate and bonded thereto. The thickness of the paper cover portion may be tapered toward the outer edges thereof to form a smooth transition from the cover portion to the existing wallboard surface. Holes in the plate near the edges or corners thereof provide for increased contact of wallboard repair compound with the paper cover portion. The article may be formed in different configurations for covering plumbing openings, exterior corners and elongated stress cracks or seams.The wallboard is repaired by cutting a recess into and through the paper surface lamination of said wallboard to the outline of the plate portion of the repair article.

Abstract: A structure and method for reinforcing a wall including a plurality of blocks having vertically aligned passages and a sill plate positioned on top of the blocks. An opening is formed into one of the passages and lower and intermediate reinforcing bars are inserted through the opening and into the vertically aligned passages. An aperture is formed in the sill plate above the vertically aligned passages and an upper reinforcing bar is extended through the aperture and positioned partly within the vertically aligned passages, wherein it is connected to the lower and intermediate reinforcing bars, thereby forming an elongate reinforcing member. A cementous material which cures to a hardened state is placed in the vertically aligned passages whereby the elongate reinforcing member is fixedly attached to the wall therein. An upper portion of the upper reinforcing bar is threaded and adapted to threadably receive a nut which engages the sill plate.

Abstract: A valley strip for conducting runoff from the line of intersection of two intersecting roof surfaces of pitched roof comprises an elongated sheet member having a defined channel portion with a bottom wall and opposed vertically extending sidewalls formed between opposed flanges. The recessed channel portion can handle larger precipitation runoff flows, minimizes runoff from one surface flowing over the strip flange underlying the opposite roof surface, and provides for placing the bottom wall of the valley strip in supportive relationship by the underlying roof structure.

Abstract: A method of processing and producing crack free logs by making a saw cut along opposite longitudinal side portions of a log immediately after harvesting and thus curing the log, without debarking, in a shaded, ventilated air space so that any cracks will be concentrated along the saw cuts. When a finished appearance is desired, a groove is formed along the opposite side portions of the log in registry with the saw cuts and a spline or strip of wood is inserted in each groove so that it projects beyond the periphery of the leg with the spline or strip being secured in the grooves by glueing or the like. The peripheral or exterior portion of the spline or strips is peeled or cut off so that the resulting surface is contiguous with the peripheral surface of the log.

Abstract: The pressure to the cracks in the concrete building and the like exerted by a binding material supplied thereinto is buffered by the expansion of a pressure buffering portion located somewhere between the supply pump and the supply pipe and after the supply pump is disconnected, the binding material supplying operation is succeeded by the pressure buffering portion which, having therein reserved the binding material by expansion, forces the binding material out into the cracks by contraction.

Abstract: A method and apparatus for sealing a hole in the inner wall of a double wall heat exchanger in which cover means is positioned in biased relationship to the hole and a frame positioned in the opening through which the cover means is inserted against the hole.

Abstract: A door jamb reinforcer is disclosed which comprises at least one, and preferably two or more, reinforcing rods which are positioned internally along the depth of a door jamb adjacent the area of the bolt receiver or striker plate. The rods are used in conjunction with a brace bar which is positioned adjacent the striker plate, and extends above and below it on the edge of the door jamb. With the use of the bar and reinforcing rods of this invention, a door jamb's shear and tensile strength is increased to prevent the jamb from being splintered and broken during a potential forced entry.

Abstract: A method of removing and reinstalling metal siding on buildings utilizes a novel clamping strip in repositioning and attaching a section of metal siding that has been cut longitudinally from the building to provide access for the drilling of holes for the injection therethrough of blown insulation.

Abstract: A plug is used in repairing holes in walls made up of first and second dry wall panels on opposite sides of vertical studs. The plug itself comprises a first body member slidable along a shaft to which a second body member is held on one end. A spring normally biases the body members apart but they can be compressed to a compact configuration for easy insertion in an appropriate cut-out surrounding the hole to be repaired. After the plug bodies have been inserted, the one body is released from its locked position so that the spring will expand the bodies apart. The first body will eclipse the inside of the cut-out in the wall panel to be repaired while the second body seats against the rear surface of the second wall panel to hold the first body in place. Finishing plaster can then cover the front surface of the first body to complete the patching.

Abstract: Method and apparatus to repair holes in walls comprising a perforated flexible plate adapted to be inserted through the opening in the wallboard of the wall, the flexible plate having a peripheral edge coated with adhesive to engage and attach against the inside surface of the wallboard around the opening therethrough. Located generally central to the flexible plate is a transverse threaded screw, the threaded screw adapted to hold in the opening in special alignment between the opposite sides of the wallboard, perforated resilient plate or metal lath plate attached to the transverse threaded screw by means of a nut affixed to the plate or by means of opposing nuts with the plate therebetween. The perforated resilient or metal lath plate utilized is sized to be slightly smaller than the opening in the wall. The perforated flexible plate is sized to be slightly larger than the opening in the wallboard.

Abstract: A repair overlay for masonry surfaces includes three layers each containing epoxy resins which contribute to bonding to the adjacent layers. The underlayer is a coating of epoxy adhesive. The layer that overlies the underlayer includes Portland cement and epoxy, acrylic and vinyl polymers and, in some forms, a flexible metal mesh or screen. The overlayer consists of an epoxy paint and, in preferred form, a second thinner layer of cementitious polymer bearing material.

Abstract: A plug frictionally fits within the lifting eye of an anchor insert of a tilt-up wall slab. The plug is provided with pin receiving passageways whereby a pin-bearing cover plate may be attached to the plug to cover over the access recess to the anchor insert.

Abstract: A kit for convenient repair patching of a panel whose access thereto is from only one side, such as in the situation of a drywall panel of a usual wall or ceiling. In various embodiments, a body member is provided with adequate support, by installation procedures wholly from the one accessible side of the panel, the body member itself providing a large area of the repair surface and/or providing a supportive body substantially bridging across the area of the hole to be repaired, and to which patching mastic may then be applied.

Abstract: A fixing device is disclosed which in its form described in detail is utilizable as a replacement wall tie anchorable between the two leaves of an existing cavity wall. In this form the device consists of a stainless steel bolt (2) having a stop end (3) with mounted thereon in order from the stop end a deformable sleeve (4), a rigid sleeve (5), a deformable sleeve (6), a rigid sleeve (7), a nut (8), a rigid sleeve (9), a deformable sleeve (10), a rigid sleeve (11) and a nut (12). In use the device is inserted in co-axial bores (15A, 15B) drilled from outside a building through the outer leaf (14) and into the inner leaf (13) of a cavity wall. The nut (8) is tightened to expand the sleeve (4) in the bore in the inner leaf and the nut (12) is tightened to expand the sleeve (10) in the bore in the outer leaf (14) and in this way a wall tie is placed with minimum damage to the wall. In particular the internal surface of the inner leaf is not pierced, and re-building of an unstable wall is avoided.

Abstract: A renovation profile, for covering an exposed T-bar of a suspended ceiling. The profile has a substantially U-shaped cross-section, can be placed around the head of the T-bar, and has sets of spaced tabs for supporting ceiling panels.

Abstract: A preformed laminate structure for repairing and patching damaged areas of drywalls is adapted to be cemented thereto and comprises a backing member made from thin sheet material and sufficiently large to cover the area to be repaired and a facing member cemented to the backing member and also made of thin sheet material of the same shape but of less size than the size of the backing member.

Abstract: For use with horizontal siding panels each having complementary first and second locking means respectively formed along their top and bottom margins for interlocking vertically adjacent courses of panels in overlapping array, a system and method for mounting, on a wall, a panel interposed between already-mounted upper and lower courses which are vertically spaced by a distance less than the height of the interposed panel. The system includes clip means for securing the second locking means of the upper-course panels to the wall while permitting upward insertion of the first locking means of the interposed panel, behind the upper-course panels, to a level above that at which the second locking means of the upper-course panels would interlock therewith, and retaining means for securing the first locking means of the interposed panel to the wall at that level.

Abstract: A backing plate (11) is positioned to cover a hole (13) on a backside (14) of a wall (15). Integral with the backing plate (11) is a fastener (21) which protrudes through the hole (13) in the direction of a frontside (16) of the wall (15). The hole (13) is filled from the frontside (16) with a patching material before a dam (27) is positioned over the hole (13). The dam (27) accommodates the fastener (21) so that fastener (21) can be tightened for exerting pressure on the patching material between the dam (27) and the backing plate (11).