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| Number | Title | Issue Date |
| 7726090 | Wheel spacer for reinforcing rods of cementitious structures A wheel spacer is provided for spacing a reinforcing rod for a cementitious structure away from an object during fabrication of the structure. The spacer consists of two substantially semicircular sections configured for connection together with the rod abuttingly r... | 06/01/2010 |
| 7322158 | Intersectional reinforcing bar support with C-shaped clamps A concrete reinforcing bar support has a base, a support structure extending upwardly from the base with a channel formed at an upper surface thereof, a first clamping structure affixed to the support structure on one side of the channel, and a second clamping struc... | 01/29/2008 |
| 7121053 | Reinforced slab made of cement conglomerate, method for the manufacture thereof and associated reinforcing structure A reinforced slab, in particular able to withstand concentrated loads, has a substantially flat reinforcing structure (20) which is situated at a distance from the bottom (12) of the mould (10) and arranged at a height such as to allow embedding... | 10/17/2006 |
| 7069703 | Method and system for constructing large, continuous, concrete slabs A method and system are provided for constructing large, continuous, concrete slabs without using conventional shrinkage joints. The system comprises a grid of closely-spaced crack inducers (2) arranged relative to a concrete-pouring surface and adapted to be... | 07/04/2006 |
| 6840019 | Method and apparatus to achieve consistent spacing between layers of modular construction A spacer is provided that includes at least one rail of plastic, steel, rebar, or the like that runs along a top surface of a modular construction material such as a brick or block. At least one transverse rail is connected to the length-running rail. The transverse... | 01/11/2005 |
| 6832456 | Frame unit for use in construction formwork A frame unit (11) used in the construction of a formwork module. The frame unit (11) is formed by connecting together rectangular loops of wire (12, 13) to form a rectangular block shape. Panels (60) and reinforcement (16) are conn... | 12/21/2004 |
| 6832458 | Quick-connector for rebar to concrete dowels A quick-connector for terminal fastening of a penetrating rebar (7) to a perpendicularly oriented concrete dowel (2), the connector comprising a wire clip (1) having a deflected segment of wire of the length (L) at least partially made of resili... | 12/21/2004 |
| 6629393 | Masonry reinforcing tie A masonry reinforcing tie is formed of a pair of spaced apart, parallel elongate elements joined by a series of lateral crossmembers welded or otherwise affixed across the elongate members. The elongate elements and crossmembers are preferably formed of h... | 10/07/2003 |
| 6401400 | Industrial vault This invention comprises reinforced industrial vaults with segmented knock-outs having a variety of shapes and orientations. The invention also comprises vaults having cast-in cable racks. The cable racks can be electrically connected to the reinforcing e... | 06/11/2002 |
| 6358603 | Hard impact resistant composite A shaped article, at least one domain of which has a three-dimensionally reinforced composite structure comprising of a matrix and a reinforcing system (2, 4, 5, 6), the reinforcing system comprising bodies such as bars, wires, cables, or plates embedded ... | 03/19/2002 |
| 5487251 | Apparatus and method for reinforcing cast structures A rectangular reinforcing cage is provided for a cast concrete structure having longitudinal registration tubes at each corner of the cage. An outer reinforcing cage surrounds the registration tubes and a coaxial inner reinforcing cage is supported from t... | 01/30/1996 |
| 4999965 | Spacer for double cage reinforcement wire mesh for concrete products 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 prec... | 03/19/1991 |
| 4989388 | Spacer for spacing reinforcing mesh wire from the form in the manufacture of concrete pipe and the like A spacer for attachment to the wires of a reinforcement cage that must be held away from the surfaces of a concrete form or wall used in producing concrete products, such as concrete pipe. The cage spacer is formed of a continuous piece of round spring-st... | 02/05/1991 |
| 4939883 | Spacer for reinforcing mesh and spiral reinforcement cages A spacer for welded-wire concrete reinforcement includes an upper pigtail portion, a central shank portion, and a lower hook portion. The lower section of the shank portion slopes outwardly and downwardly to define a nose-like spacing projection to positi... | 07/10/1990 |
| 4833857 | Spacer member for reinforcing steel A spacer member for positioning and retaining steel reinforcing bars in a concrete structural member such as a round-column. The spacer member is defined by a circular, ring-like main body section having a plurality of outer extensions and a plurality of ... | 05/30/1989 |
| 4744190 | Spacing retainer including locking means for reinforcements The spacing retainer contains spacer elements comprising a multiple number of interconnected angle elements and locking elements. The locking elements are lockingly connected with a first structural steel fabric by means of locking parts at their free end... | 05/17/1988 |
| 4689867 | Concrete reinforcement spacer and method of use A welded wire concrete reinforcement spacer having spaced uprights with tops projecting up from the bottoms toward one another, a support means on the uprights and located below the tops of the uprights, the tops being spaced sufficiently to allow a reinf... | 09/01/1987 |
| 4394201 | Concrete slab assembly, especially for building facades A concrete plate assembly, e.g. as load carrying members or for building facades, comprises an inner concrete slab, an outer concrete slab spaced from the inner slab, and at least one main or stress-absorbing anchor embedded and interconnecting the slabs ... | 07/19/1983 |
| 4359848 | Concrete slab assembly, especially for building facades A concrete plate assembly, e.g. as load carrying members or for building facades, comprises an inner concrete slab, an outer concrete slab spaced from the inner slab, and at least one main or stress-absorbing anchor embedded and interconnecting the slabs ... | 11/23/1982 |
| 4187037 | Wall supporting arrangement, especially for supporting mine gallery walls A wall supporting arrangement, especially for supporting mine gallery walls, comprises a supporting frame for a wall to be supported and including at least two frame elements located in a plane which is transverse to the elongation of the wall and are spa... | 02/05/1980 |
| 4112694 | Tunnel-lagging element and system A tunnel-lagging element, adapted to be embedded in spray or injection concrete for the lining of the wall of a tunnel, comprising a pair of reinforcing bars which are held substantially against the tunnel wall, and a further pair of such bars spaced from... | 09/12/1978 |
| 4090337 | Flexible form for cementitious slurry Overlying first and second sheets of flexible fabric may be employed to make a form for slabs of concrete, or the like, when the sheets are adequately connected at spaced intervals. A novel connector for such purpose is disclosed herein and comprises a un... | 05/23/1978 |
| 4079497 | Method of making substantially impenetrable members A method of and apparatus for making substantially impenetrable members such as wall and floor members for bank vaults or the like. A fixture is used which facilitates the assembly of a plurality of expanded sheet metal members in a spaced stack thereof. ... | 03/21/1978 |
| 3990480 | Method and fabric for making reinforcing cages Fabric and method for reinforcing concrete pipe or the like in which a plurality of sets of transverse wires are arranged along the length of the line, or circumferential defining, wires, each set defining a segment of fabric having a length corresponding... | 11/09/1976 |
