With Means For Split-prevention Or Damaged Part Repair Patents (Class 52/514)
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Patent number: 6523315Abstract: Sized and shaped attachments made of suitable materials and having a predetermined thickness for straightening and replacing studs, joists and rafters, squaring of openings and for aligning a plurality of the studs, joists and rafters in the framing for a building to provide a planar application surface to which exterior finishing members can be affixed. The attachments have sized and spaced openings thereon operatively associated by frictional engagement with fastening members each having a slidable member thereon to enable the attachments or devices to be adjustably fastened to a given stud, joist or rafter so a plurality of such adjusted attachments or any replacement attachments can be aligned with each other to provide the planar application surface. Methods are provided to align a multiplicity of adjoining studs, joists or rafters, to square and to square and align openings with such attachments to provide the planar application surfaces.Type: GrantFiled: March 16, 2001Date of Patent: February 25, 2003Inventor: Dan E. Ford
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Publication number: 20030024178Abstract: A stabilized window structure includes a window frame, a shattered window pane disposed in the window frame, and a layer of unifying material bonded to the window pane to form a cohesive mass removable from the frame as one or more integral and unitary pieces. A method of stabilizing and removing a shattered window pane from a window frame includes the steps of applying a layer of unifying material to an exterior surface and/or an interior surface of the shattered window pane, bonding the layer of unifying material to the window pane to form a cohesive mass therewith, and removing the cohesive mass from the window frame as one or more integral and unitary pieces.Type: ApplicationFiled: August 3, 2001Publication date: February 6, 2003Inventor: Jeffrey H. Diamond
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Publication number: 20030024197Abstract: A stabilized window structure and method for stabilizing a window structure having a window frame entirely or substantially entirely devoid of glass includes a patch removably secured over the window frame to cover the opening in its entirety and a body of unifying material disposed over and bonded to the patch to form a cohesive mass therewith. Alternatively, a pre-formed, polymeric foam panel is removably secured over the window frame to cover the entirety of the opening. A method of removing a shattered window pane involves using pre-existing cracks in the pane to define the formation of separately removable, disconnected cohesive masses. A method of removing shards from a track of a window structure involves removing the shards as part of a single cohesive mass, as pieces of a single cohesive mass or as separate, disconnected cohesive masses.Type: ApplicationFiled: January 31, 2002Publication date: February 6, 2003Inventor: Jeffrey H. Diamond
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Patent number: 6508040Abstract: A hole patching device including mechanism for covering an opening on an interior surface of a wall, the covering mechanism being formed of a generally rigid material and being at least two inches in diameter; mechanism for guiding the covering mechanism through the opening, which may include a slit cut from a center of the covering mechanism to an outer edge of the covering mechanism; mechanism for securing the covering mechanism to the interior surface of the wall to define a pocket; an insert for filling the pocket; and a hardenable material spread over the insert and pocket smoothable with the wall and a method of use.Type: GrantFiled: December 22, 2000Date of Patent: January 21, 2003Inventor: Monte G. Nelson
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Patent number: 6506466Abstract: The present invention relates to a single-sided adhesive vapor barrier tape 1 having a vapor barrier strip 2 which has a width BD between 40 cm and 100 cm and, on each of its two long edges 3, has a single-sided adhesive vapor barrier strip 4, each adhesive vapor barrier strip 4 being provided on its adhesive side with a protective means 7 which can be pulled off separately and prevents inadvertent adhesion of the adhesive strips 4. This adhesive vapor barrier tape is particularly suitable when producing a vapor-tight joint at a ridge purlin. In addition, the invention relates to a method of producing such a vapor-tight joint when finishing a roof at a ridge purlin.Type: GrantFiled: September 12, 2000Date of Patent: January 14, 2003Assignee: SILU Verwaltung AGInventors: Marco Sieber, Reto Sieber
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Patent number: 6505450Abstract: A masonry reinforcement system includes a number of tensioning rods extending from the top to the bottom of a masonry wall structure in spaced columns. In each column, several rod segments are interconnected at each floor diaphragm using a double conical connector assembly. In portions of the wall structure where rod columns cannot be placed, such as window regions, spring tensioning assemblies are installed using a similar double conical connector assembly. Each type of connector assembly is embedded in a pocket formed in the masonry wall structure using a hardenable grout. After installation, the rods are post-tensioned to provide a compressive axial load to the masonry wall structure. The spring tensioner assemblies are tensioned prior to applying the grout to the void in the wall.Type: GrantFiled: February 22, 2000Date of Patent: January 14, 2003Inventors: Reginald A. J. Locke, Kenyon Barnes
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Patent number: 6505449Abstract: A structural element for use with a structural member has a longitudinally extending body. The body has a lower surface and opposed side flanges hanging down below the lower surface. The element may have one more extending hollow channels above the lower surface to assist in preventing moisture from passing beneath the structural element. The structural element is adapted to be positioned on top of an area of a structural member, such as a joist or beam. The structural element can be made from a composite wood material.Type: GrantFiled: July 27, 2000Date of Patent: January 14, 2003Assignee: Composit Wood Specialties Ltd.Inventor: Karl H. W. Gregori
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Publication number: 20020178688Abstract: The present invention is a method and kit for repairing a construction component that has a damaged portion. First, the damaged portion is removed from the construction component. Next, a durable portion is provided that is preferably comprised of a cellulosic/polymer composite material which is moisture, decay, and insect resistant. The durable portion preferably has about the same shape as the damaged portion. The durable portion is then connected to the construction component to replace the damaged portion. The materials for repairing the construction component may be provided in a single kit.Type: ApplicationFiled: May 24, 2002Publication date: December 5, 2002Applicant: Burns, Morris & Stewart Limited PartnershipInventor: Richard C. Hagel
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Publication number: 20020162293Abstract: A device for the exchangeable and partial fixing of ceramic or natural stone wall and floor lining elements, such as borders, tiles, plates, and similar, on tiled faces, including a bar of substantially U-shaped cross-section which can be fastened to the wall surface between two rows of tiles, and on which the wall and floor lining elements can be detachably fastened between first and second legs extending from a U-shaped portion of the bar. The first leg is movable with respect to the second leg so that a distance between the first and second legs can be varied.Type: ApplicationFiled: April 19, 2002Publication date: November 7, 2002Applicant: monika brandlInventor: Werner Brandl
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Publication number: 20020157344Abstract: The present invention relates to a method for reinforcing and repairing hollow concrete block building foundation walls from the bucking caused by the pressure of the earth, water and/or tree roots.Type: ApplicationFiled: September 16, 1999Publication date: October 31, 2002Inventor: CHRISTOPHER J. DEAN
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Publication number: 20020144481Abstract: A sheet with weight preventing the leakage of rainwater with easy operation. The sheet with weight comprises a sheet portion and a weight mounted along an edge of said sheet portion. The sheet may be accommodated in a cylindrical portion integrally formed along the edge of the sheet portion, and the weight can be a metal chain.Type: ApplicationFiled: June 15, 2001Publication date: October 10, 2002Inventor: Takehiko Yamamura
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Patent number: 6460308Abstract: A kit for reworking an improperly installed concrete foundation bolt protruding an insufficient distance above a wood frame structure sill plate includes a combination nut-sleeve having a continuous internal thread, and an elongate cap sized to cover the foundation bolt. The cap is placed over the external threads of the foundation bolt, and a conventional hole saw used to remove material surrounding the foundation bolt. The cap is removed and the nut-sleeve combination installed. The length of engagement of the foundation bolt external thread is effectively increased, solving the problem of the improperly installed bolt in an easy and cost-effective manner.Type: GrantFiled: February 5, 2001Date of Patent: October 8, 2002Inventors: John Armstrong, George Velasco
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Patent number: 6457289Abstract: The invention relates to a reinforcement for surfaces of structural elements or buildings comprising at least one supporting layer (TS) optionally provided with a covering layer (DS), and an adhesive layer (KS) provided as a basis material (UG) for connecting the supporting layer to the structural element surface or to the building surface, said surface being optionally provided with a basis material primer. The aim of the invention is to produce a reinforcement or corresponding materials which permit a long-term escapement of moisture on the side of the basis material by preserving a solidity and rigidity sufficient for a broad range of applications, especially with regard to a reliable alleviation of load on the basis material with a corresponding transmission of tension to the reinforcement.Type: GrantFiled: November 22, 2000Date of Patent: October 1, 2002Inventor: Josef Scherer
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Patent number: 6450729Abstract: A crack repair method for pavement and recreational surfaces includes a slip layer formed over a filled crack which prevents the adhesion of at least one stretchable sheet to the crack while wider outer edges of the sheet are bonded to the top pavement surface. Optionally a second wider stretchable sheet is adhesively applied over the first sheet. Outer edges of the uppermost stretchable sheet are optionally covered by fiberglass fabric strips. In one aspect, the slip layer is formed of one or more tape strips adhesively joined on one side to the filled crack and to the top surface of the pavement surrounding the filled crack.Type: GrantFiled: January 14, 2000Date of Patent: September 17, 2002Inventor: Daniel C. Clapp
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Patent number: 6446410Abstract: A construction component for improved moisture, decay and insect resistance. The component preferably includes a plurality of members of which certain portions are comprised of materials resistant to moisture, decay and insects. The resistant member(s) are integrally connected to wood portion(s) to provide a single, low cost structure.Type: GrantFiled: July 21, 2000Date of Patent: September 10, 2002Assignee: Burns, Morris & Stewart Limited PartnershipInventor: Richard C. Hagel
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Publication number: 20020094239Abstract: The invention relates to a plastic jacket that is used for repairing underwater or on ground support piles that have been corroded by the wave action at the waterline, by a tidal zone or natural salty air corrosion, respectively. The jacket consists of a cylindrical wall having annular corrugations on its exterior surface. The cylindrical wall has a longitudinal cut along its length to exhibit two opposing edges. A seal is placed between the opposing edges. Opposite from the longitudinal cut there is a V-shaped cut through the corrugations to the cylindrical wall to create a living hinge in the plastic material of the wall. Banding is provided to pull the opposing edges into a tight relationship and trapping the seal there between. The V-shaped cuts enable the jacket to be opened and placed around a damaged pile in spite of the corrugations which would prevent such an opening. It is preferred that the material of the jacket be made of an opaque material.Type: ApplicationFiled: March 12, 2002Publication date: July 18, 2002Inventors: Michael S. Bradley, Monica K. Bradley
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Patent number: 6415581Abstract: A stiffening member, as well as a diaphragm of a building in which the stiffening member is used, is disclosed. The diaphragm includes a horizontal wide-flange beam, a corrugated deck, and a corrugated stiffening member. The stiffening member is an elongate, corrugated strip. The stiffening member's corrugations are formed by a series of U-shaped portions that alternate with, and are integrally connected to, a series of horizontal upper portions. Each U-shaped portion consists of three planar portions: two substantially vertical side portions and one horizontal floor portion. Each U-shaped portion is reinforced with two parallel raised ribs. In a second embodiment of the stiffening member, the U-shaped portion is reinforced with two parallel tab portions attached at the sides of the stiffening member. The stiffening member nestingly overlies the corrugated deck, and is attached to the deck and to the underlying horizontal beam with either welds or pins.Type: GrantFiled: July 17, 2000Date of Patent: July 9, 2002Assignee: Deck West, IncorporatedInventors: Jerry Shipman, Willie Oehrlein, Joe Orgon
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Publication number: 20020083679Abstract: An apparatus, method and kit for dustless repair of a damaged wallboard. The apparatus having an insertion rod which engages a patching element and an insertion brace for inserting the patching element and insertion brace through a hole in the wallboard and adhering the patching element to an inner surface of the wallboard. A dustless method is then provided for patching the hole without producing any environmentally harmful dust. The kit includes all necessary materials for repairing a hole in the wallboard using the dustless method according to this invention.Type: ApplicationFiled: December 29, 2000Publication date: July 4, 2002Inventor: Charles Hanner
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Patent number: 6401406Abstract: Disclosed is a retainment system for concrete block inspection port coverplates. The retainment device is formed from a hook-shaped engagement shaft that is positionable around rebar through an inspection opening. A proximal end of the engagement shaft protrudes from the concrete block opening and is available for placement through an inspection opening coverplate. Either a U-shaped locking nut can be used to secure the coverplate to the engagement shaft, or the coverplate itself includes integrated annular grooves as a locking mechanism. The device provides for simplistic covering of any standard inspection opening, and the use of transparent plates providing an uninhibited view of the rebar presence and condition, even when the retainment device is mounted. The use of annular grooves placed perpendicular to the length of the shaft, allow for ease of shaft disengagement from the wall upon curing of the cement, providing a flush surface to either be left exposed or for placement of stucco thereon.Type: GrantFiled: February 11, 2000Date of Patent: June 11, 2002Inventor: Domald K. Komara
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Patent number: 6401759Abstract: A liner bag for a manhole can have an improved durability after hardening with a fluid pressure barrier film left on the inner wall of a lined manhole, and a method of lining a manhole using the liner bag is capable of realizing a reduction in the number of steps involved in a manhole lining process to reduce a working time and a working cost.Type: GrantFiled: December 14, 1999Date of Patent: June 11, 2002Assignees: Shonan Gosei-Jushi Seisakusho K.K., Yokoshima & Company, Get Inc., Oar CompanyInventors: Takao Kamiyama, Yasuhiro Yokoshima, Shigeru Endoh, Hiroyuki Aoki
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Patent number: 6397545Abstract: Energy-absorbing utility poles and replacement components comprising a composite material laminate are provided. In one embodiment, the poles of the present invention are designed to bring an impacting vehicle to a controlled stop. It is intended that the products of the presently claimed invention be formed using a pultrusion process that results in a pole having low to moderate diametric crush strength, so as to initiate a flattening and then folding response as the vehicle encounter, the pole. One of the critical features of the present invention is the provision of a socket/slip joint enabling connection of a composite lower section with a wooden upper section such that the connection securely joins the two elements during ordinary conditions, but releases when either the upper or lower element experiences force greater than a predetermined value, as where the pole is struck by a vehicle.Type: GrantFiled: March 29, 2000Date of Patent: June 4, 2002Assignee: KaZak Composites, Inc.Inventors: Jerome P. Fanucci, James J. Gorman
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Publication number: 20020062612Abstract: The PowerBrace system gives a positive solution to basement wall problems. When the wall cracks and bulges are due to freeze or hydrostatic preasure, PowerBrace can hold it from further movement and in most cases straighten it. By tightening the top bracket the PowerBrace system puts preasure on the top of the beam and straightens the wall. This movement is usually gradual as the system is retightened. Unlike many other wall repair systems the PowerBrace system does not rely on questionable soils outside the wall to hold the wall, nor does it put to much stress on the beam. Any bending of the main beam constitutes a failure in the system. By anchoring to the concrete basement floor and to the solid floor joist system, the PowerBrace system is solid and will not be aloud to shift or fail. the PowerBrace system solves problems relating to the sheering effect at the base of the wall caused by hydrostatic preasure, as well as any other wall movement.Type: ApplicationFiled: November 30, 2000Publication date: May 30, 2002Inventors: Timothy P. Heady, Charles W. Heady
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Publication number: 20020059767Abstract: A hole patching device including mechanism for covering an opening on an interior surface of a wall, the covering mechanism being formed of a generally rigid material and being at least two inches in diameter; mechanism for guiding the covering mechanism through the opening, which may include a slit cut from a center of the covering mechanism to an outer edge of the covering mechanism; mechanism for securing the covering mechanism to the interior surface of the wall to define a pocket; an insert for filling the pocket; and a hardenable material spread over the insert and pocket smoothable with the wall and a method of use.Type: ApplicationFiled: December 22, 2000Publication date: May 23, 2002Inventor: Monte G. Nelson
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Patent number: 6378263Abstract: A wall patching device for attachment to the inside of a wall adjacent to a hole in the wall to fill and patch the hole. The wall patching device includes a rigid plate having a plurality of holes therein, the plate having two wings connected by a raised center portion. The raised center portion preferably has a tether connected thereto for holding the wall patching device when the wall patching device is inserted into a hole in a wall or wallboard such as a hole made by a door knob striking a wall.Type: GrantFiled: January 29, 2001Date of Patent: April 30, 2002Inventor: Richard K. Sobers
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Patent number: 6364575Abstract: The invention relates to a plastic jacket that is used for repairing underwater piles that have been corroded by the wave action at the waterline or by a tidal zone. The jacket consists of a cylindrical wall having annular corrugations on its exterior surface. The cylindrical wall has a longitudinal cut along its length to exhibit two opposing edges. A seal is placed between the opposing edges. Opposite from the longitudinal cut there is a V-shaped cut through the corrugations to the cylindrical wall to create a living hinge in the plastic material of the wall. Banding is provided to pull the opposing edges into a tight relationship and trapping the seal there between. The V-shaped cuts enable the jacket to be opened and placed around a damaged pile in spite of the corrugations which would prevent such an opening.Type: GrantFiled: September 7, 2000Date of Patent: April 2, 2002Inventors: Michael S. Bradley, Monica K. Bradley
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Patent number: 6360779Abstract: A stopper device for blocking an aperture in a pipe member wall, a sheetrock wall and so forth, the stopper device comprising a substantially planar cap member with top and bottom sides, the top side further including a plurality of strengthening ribs with even-tapered ends extending along the surface thereof, a stem projecting from the bottom side of the cap member, the stem further including at least a pair of radially-spaced vanes extending along and projecting from its longitudinal axis, and a plurality of spaced apart axially-spaced circumferential webs each projecting radially from the longitudinal axis of the stem, and each being parallel to one another.Type: GrantFiled: April 11, 2001Date of Patent: March 26, 2002Assignee: Aqueduct Utility Pipe Contractor, Inc.Inventors: Robert Joseph Wagner, Mary Geragi, Timothy Wayne South
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Patent number: 6357190Abstract: A wall bracing system that uses a beam capable of bending to conform to a partially-buckled masonry wall that has buckled inward from external forces, such as hydrostatic pressures to which basement walls are typically exposed. The bracing beam is sufficiently flexible to conform to the partially-buckled wall, enabling the bracing system to apply a relatively uniform pressure against the wall to prevent further inward movement. One end of the beam is secured to the basement floor adjacent the wall, generally not more than the distance the wall has bowed inward, i.e., the horizontal displacement of the primary fracture point of the wall. The upper end of the beam is held in place with a bracket system secured to one or more overhead floor joists. The bracket system applies a force against the upper end of the beam toward the wall. Sufficient pressure is applied against the beam so that at least the upper end of the beam contacts and conforms to the buckled portion of the wall.Type: GrantFiled: October 17, 2000Date of Patent: March 19, 2002Inventor: Frank R. Florentine
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Patent number: 6357196Abstract: A hollow fiberglass utility pole includes a pair of segments that are a fiberglass sheet that has a semicircular cross-section. The segments have first and second longitudinal edges with male and female couplers respective shapes that have a complimentary relationship to each other for mechanical engagement thereof. The fiberglass pole is assembled by engaging the first longitudinal edge of one segment with the second longitudinal edge of the other segment at an installation site. The fiberglass pole may be used as a sheath to encase an existing wooden pole.Type: GrantFiled: April 29, 1999Date of Patent: March 19, 2002Inventor: M. Scott McCombs
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Patent number: 6347496Abstract: A wall repair system for repairing holes in drywall panels without furring strips or screws. The wall repair system includes a patch assembly adapted for fitting through a small hole in a dry wall panel, the patch assembly having a front surface with a perimeter edge, the front surface being adapted for coupling to a back surface of a drywall panel after the patch member is fitted through the hole, and a handle member which is couplable to a central portion of the patch assembly for facilitating insertion of the patch assembly through the hole in the drywall panel and subsequent coupling of the perimeter edge of the front surface of the patch assembly to the back surface of the drywall panel.Type: GrantFiled: September 15, 2000Date of Patent: February 19, 2002Inventor: Robert H. Pinkins
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Publication number: 20020005023Abstract: Sized and shaped attachments made of suitable materials and having a predetermined thickness for straightening and replacing studs, joists and rafters, squaring of openings and for aligning a plurality of the studs, joists and rafters in the framing for a building to provide a planar application surface to which exterior finishing members can be affixed. The attachments have sized and spaced openings thereon operatively associated by frictional engagement with fastening members each having a slidable member thereon to enable the attachments or devices to be adjustably fastened to a given stud, joist or rafter so a plurality of such adjusted attachments or any replacement attachments can be aligned with each other to provide the planar application surface. Methods are provided to align a multiplicity of adjoining studs, joists or rafters, to square and to square and align openings with such attachments to provide the planar application surfaces.Type: ApplicationFiled: March 16, 2001Publication date: January 17, 2002Inventor: Dan E. Ford
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Patent number: 6330776Abstract: In the structure for reinforcing a concrete member and the reinforcing method of the present invention, a reinforcing sheet is arranged and joined to a various kinds of concrete member, such as column, beam, wall, floor, and the like, by applying the reinforcing sheet to the surface of the concrete member and attaching to the fixing anchors joined to the concrete member or the other concrete member surrounding the concrete member. The fixing anchor comprises a large amount of reinforcing fiber, and is obtained by bundling a part of the reinforcing fiber. The unbundled portion of the fixing anchor is spread along the surface of the concrete member. The reinforcing sheet is over-lapped to the unbundled portion using resin adhesives. In addition, reinforcing fibers, such as carbon fiber, aramid fiber, glass fiber, and the like are preferably used as the material comprising the fixing anchor and reinforcing sheet. Thereby, the reinforcing member can be joined via the fixing anchor to the concrete members.Type: GrantFiled: March 2, 2000Date of Patent: December 18, 2001Assignee: Nippon Steel CorporationInventors: Yasuo Jinno, Hideto Saito, Hideo Tsukagoshi, Jun′ichi Iketani, Tadao Fujita, Minoru Sawaide, Yasuo Inada, Yoshihiko Shimizu
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Patent number: 6317952Abstract: The present invention relates to a device to assist in filling a hole in a sheet or plate of any material, with a filler compatible with the material, the device comprising a flexible plate adapted to be inserted through the hole in the sheet or plate; a detachable attachment member adapted to extend generally perpendicularly from a surface of the flexible plate and including a connection to locate at least one locking member thereto; the locking member being detachably attachable to the attachment member so as to apply a tensile load on the attachment member thereby causing the flexible plate to bear on and be held adjacent to the hole.Type: GrantFiled: September 14, 1999Date of Patent: November 20, 2001Inventor: David John Vogt
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Patent number: 6289636Abstract: Replacement of a damaged post for a parking meter can be accomplished by cutting the post off near the ground and affixing a replacement post to the stub of the original post with a retaining device which grips the two portions of the post from inside the post. The retaining device is only reachable through the post when the meter head is removed, thus preserving the integrity of the post from vandals.Type: GrantFiled: September 9, 1999Date of Patent: September 18, 2001Assignee: POM IncorporatedInventors: Kenneth R. White, Seth Ward, II
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Publication number: 20010013210Abstract: The present invention relates to a plug which can be put into holes, especially into drilled bore holes of walls, which plug effects a surprising solid tightening for example in lay brick-walls also in such cases in which the hole or the plug has at least partly sizes and especially varying diameter-dimensions, which do not allow the use of the so-called spread-plugs known in the prior art. The plug according to this invention is consisting in an inner drum preferably in the shape of a pyramid-stump made out of a hard material and in a outer drum made out of extendable material, whereby the outer drum is connected with the inner drum for example by welding.Type: ApplicationFiled: February 16, 2001Publication date: August 16, 2001Applicant: Riwa Tec GmbH Messgerate HandelsgesellschaftInventor: Hans-Peter Blatt
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Publication number: 20010008060Abstract: A process for waterproofing a construction surface and slits of the construction surface comprises a first step in which the construction surface and the slits of the construction surface are dried by heating, so as to open up capillary pores of the construction surface and the slits of the construction surface. Thereafter, an appropriate amount of a synthetic asphalt is paved on the construction surface and the slits of the construction surface. The synthetic asphalt is then heated to permeate into the capillary pores of the construction surface and the slits of the construction surface.Type: ApplicationFiled: March 2, 2001Publication date: July 19, 2001Inventor: Chia-Lung Lu
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Patent number: 6247283Abstract: The present dry wall patch comprises a disc with a threaded rim. A lock nut is strongly attached to one side of the disc, and a bolt is inserted through the disc from the opposite side and threaded tightly into the nut. A wrench is applied to the bolt to turn the disc into a hole on a wall until the disc is recessed slightly within the hole. The nut includes teeth that dig into the disc to hold it in position while the bolt is being wrenched. The bolt is removed after the disc is in position. The hole is filled with spackle and sanded until completely flush with the wall. Other embodiments include a polygonal block screwed to the disc for mating with a turning tool, radial slots cut into the face of the disc for mating with a turning tool, holes drilled into the disc for mating with a turning tool, and a handle positioned through a block screwed to the disc.Type: GrantFiled: March 29, 2000Date of Patent: June 19, 2001Inventors: Bradley K. Slabaugh, Randall J. Slabaugh
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Patent number: 6247279Abstract: A large number of existing reinforced concrete structures, such as buildings and bridges, if subjected to abnormal loads, such as those expected during earthquakes or bomb blast, may experience significant inelasticity in their critical regions. It is economically not feasible to replace the entire existing infrastructure with new and improved structures; retrofitting provides the only solution to the problem of seismically and otherwise structurally deficient existing structures. A new retrofitting process has been developed to improve strength and deformability of existing reinforced concrete columns. The process involves determining column critical regions, identifying critical stresses that may lead to brittle shear and/or compression failures, determining external prestressing to overcome some of these stresses and to provide lateral confining pressure to improve the ductility of compression concrete.Type: GrantFiled: March 24, 1999Date of Patent: June 19, 2001Assignee: University of OttawaInventors: Saatcioglu Murat, Yalcin Cem
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Publication number: 20010002529Abstract: This invention relates to an improved wall for resisting lateral forces imposed on a building that incorporates the wall. Specifically, this invention relates to a wall in a light-frame building having within it a sub-component specifically designed to resist lateral forces imposed on the building such as those caused by an earthquake or by wind loading. The wall is formed with a bottom plate that rests on the underlying structural component of the building. A plurality of vertically-disposed studs connect to the bottom plate, and a top plate is supported by and connects to the vertically-disposed studs. A shear-resisting assembly connects to the top plate and the underlying structural component. The shear-resisting assembly has top and bottom struts and first and second chords and a planar shear resisting element connected thereto.Type: ApplicationFiled: November 21, 1997Publication date: June 7, 2001Applicant: CHARLES R. CYPHERInventors: ALFRED D. COMMINS, ROBERT C. GREGG, WILLIAM F. LEEK, KAREN W. COLONIAS, ARTHUR R. LINN
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Patent number: 6231949Abstract: An improved surface repair assembly for repairing a damaged portion of an exposed surface of is provided. The surface repair assembly includes a surface repair patch and a curable surface repair compound. The surface repair patch comprises a sheet which is formed from a plastically deformable inelastic polymeric material. The sheet has a plurality of openings which extend from the first side to the second side of the sheet. The openings are arranged about the sheet so that a network of strips of polymeric material is formed. Each of the strips is capable of being plastically deformed in any direction so that the sheet may be shaped to correspond to the contour of the surface being repaired. The sheet supports, positions, and reinforces the curable repair compound on the surface before the repair compound is cured. In one version of the invention, the second side of the repair patch includes an adhesive for affixing the patch to the surface to be repaired.Type: GrantFiled: February 12, 1998Date of Patent: May 15, 2001Assignee: Pro Patch Systems, Inc.Inventor: Dennis Hoffmann, Sr.
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Patent number: 6212750Abstract: A method and apparatus for repairing a casting in a cold metal repair process includes a plurality of drilling fixtures which facilitate the creation of one or more lock receiving recesses positioned generally transverse to the casting crack. The lock receiving recesses are formed of a single sized circular bore combination having alternating double and single circular portions to maximize strength. A plurality of correspondingly configured metal locks are inserted into the lock receiving recesses to provide transverse metal locks drawing the casting portions on each side of the crack together. A plurality of threaded bores are formed along the remainder of the casting crack in overlapping spacing which receive a corresponding plurality of stitching pins. The stitching pins each define threaded shaft portions having pointed ends and undersized major pitch diameter threads adjacent the pointed ends.Type: GrantFiled: August 1, 1996Date of Patent: April 10, 2001Inventor: Gary Jack Reed
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Patent number: 6209277Abstract: Provided is a wallboard repair clip which includes a patch wallboard receiving structure for contacting inner and outer surfaces of a patch wallboard, an existing wallboard receiving member and a securing structure.Type: GrantFiled: March 9, 1999Date of Patent: April 3, 2001Inventor: John T. DiGate
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Patent number: 6202320Abstract: A method of treating a piece of lumber including the steps of a) analyzing the lumber to detect a surface defect at a site on the lumber; b) removing at least a portion of the surface defect to form an opening in the lumber at the site of the defect; c) drying the lumber using a process wherein moisture is allowed to escape from the lumber through the opening; and, d) inserting a solid plug in the opening to refill the opening in the lumber.Type: GrantFiled: November 4, 1999Date of Patent: March 20, 2001Inventor: Suezone Chow
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Patent number: 6182415Abstract: A joist locating device includes a screw having a head at one end, and a threaded portion at and adjacent to an opposing end, which is oppositely disposed from the head, with a long smooth barrel between the head and the threaded portion. A washer may fit over the barrel and threaded portion, but not the head in order to provide for the screw to be pulled from the floor.Type: GrantFiled: June 25, 1999Date of Patent: February 6, 2001Assignee: O'Berry Enterprises, Inc.Inventor: Patrick Brian O'Berry
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Patent number: 6176057Abstract: A weakened building member, having a building component running through an opening in it, is strengthened by reinforcing members attached to the building member that accommodate the presence of the building component. The reinforcing members are attached to the building member by fasteners or adhesives. The reinforcing members attach to at least one side of the building member. They extend from areas above the opening in the building member to areas below it, and pass around opposite sides of the building component. The reinforcing members can be positioned relative to each other prior to installation in such a manner as to allow the reinforcing members to slide around a building component that has already been run through the building member near their point of attachment to the building member.Type: GrantFiled: October 23, 1998Date of Patent: January 23, 2001Assignee: Simpson Strong-Tie Co., Inc.Inventors: Robert D. Bouchet, Michael G. Wagner, Evon M. C. Ballush
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Patent number: 6177185Abstract: A composite structure is provided which resists corrosion and cracking due to water seepage and roadway use. The composite structure of reinforced concrete is wear resistant through bonding it to a liquid-impermeable overlay such as latex concrete with an adhesive imide. The imide has great adhesion to the concrete and has a thermal expansion and flexural strength comparable to the reinforced steel which prevents delamination of the imide and the overlay as road, bridge or deck roof is subjected to traffic and the elements.Type: GrantFiled: September 18, 1998Date of Patent: January 23, 2001Assignee: Face International Corp.Inventor: Samuel A. Face, Jr.
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Patent number: 6176058Abstract: A reinforcing plate is attached to an end-split wood beam covering at least a portion of the end split. The reinforcing plate inhibits the end split from propagating toward the middle portion of the wood beam. According to one aspect of the invention, the reinforcing plate increases the grade of the wood beam. According to another aspect of the invention, the reinforcing plate prevents or substantially avoids downgrading of the wood beam. The reinforcing plate preferably is steel and has teeth which are angled relative to the grain of the wood. First and second portions of the teeth preferably are oriented oppositely from one another, i.e., 90° relative to one another.Type: GrantFiled: May 10, 1999Date of Patent: January 23, 2001Assignee: Landmark Truss & Lumber Inc.Inventor: Glenn M. Trarup
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Patent number: 6162525Abstract: A drywall patch includes a substantially planar body having a peripheral edge. A depending skirt is spaced from the peripheral edge of the body. The depending skirt is extended into an opening in drywall to prevent lateral movement of the drywall patch during application.Type: GrantFiled: August 26, 1998Date of Patent: December 19, 2000Inventor: Ira Amy
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Patent number: 6141932Abstract: A metal deck roof repair module system that does not disturb the existing roofing membrane or insulation. The roof repair module has a surface profile similar to that of the existing deck, is installed from below the roof deck, and is jacked into mating position with the bottom surface of the existing roof deck. The repair module comprises two elongated frame angles pre-welded to a piece of corrugated sheet metal. The module is ultimately supported between two adjacent roof beams through support angles which frictionally engage the roof beam. A jacking lever comprised of a handle, an oval-shaped head, and a pin extending from a perimeter of the head, lifts the module to the existing deck by camming against a lower edge of the frame angle. A guide bolt extends through the frame angles and the support angles to prevent lateral movement of the module as it is raised.Type: GrantFiled: April 27, 1999Date of Patent: November 7, 2000Inventor: Padraig M. Tarrant
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Patent number: 6131359Abstract: A spacer clip for securing side-by-side joists and a method for using such clips is provided. The spacer clip, constructed from sheet metal or a rigid composite includes a bridging section and a pair of legs that extend transversely to the bridging section. A draw bar is provided along the legs at positions remote from the bridging section. The draw bar is movable to vary the pressure applied by the legs to confronting sections of joists. The draw bar can be locked in a pressure-applying orientation with respect to each of the legs. In this manner, the joists are spaced by the bridging section at one end of their height and the draw bar pressurably spaces them at an opposing end of their height.Type: GrantFiled: April 13, 1999Date of Patent: October 17, 2000Inventor: Owen D. Duff
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Patent number: 6115988Abstract: A method of raising the transmission cables carried by a utility pole having a base end with a ground foundation supporting the pole in upright position, without disturbing the pole foundation or disconnecting the cables, includes the steps of anchoring opposed, circumferentially spaced elongate pole support members to extend upwardly along the pole and severing the pole to define a first pole supported by the pole foundation and a second pole supported by the first pole; fixing the support members to the first pole and slidably banding them to the second pole; raising the second pole above the first pole to a level remaining below the upper ends of the support members; and fixing the lower end of the second pole within and to the upper ends of the support members at a spaced distance above the first pole.Type: GrantFiled: November 12, 1997Date of Patent: September 12, 2000Assignee: Laminated Wood Systems, Inc.Inventor: Robert A. Reisdorff