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| Number | Title | Issue Date |
| 7134805 | Precast concrete slab system and method therefor A pre-fabricated concrete slab system and method have matching rectangular male and female type slabs which fit adjacent to each other in a checkerboard fashion. The male slabs include spaced reinforcing rods extending longitudinally and transversely through the mal... | 11/14/2006 |
| 6952905 | Stone panel connector The present invention relates to a connector for connecting two or more panels of stone together. In one embodiment of the invention, the invention comprises a connector having a body with a first and a second end and at least two symmetrically orientated slots, eac... | 10/11/2005 |
| 6851245 | Mortar-filled type reinforcing bar joint A mortar grouting type joint for reinforcing bars is provided, which comprises a hollow cylindrical body having an opening cover (2) at an end, a bolt hole (8) on the side wall, and a supporting protrusion (5) on the inner peripheral wall, adapt... | 02/08/2005 |
| 6519903 | Device for fixing plates, in particular glass plates An attachment device for panes of glass. The attachment device includes retainers arranged between each pane and a support structure. The retainers include structures to compensate for the dimensional differences, deformations and displacements between th... | 02/18/2003 |
| 6334286 | Device for lifting prefabricated components, particularly made of concrete, or the like An anchoring element for lifting prefabricated components, made of concrete, comprising a hollow body of a bayonet coupling device which forms a female seat with an access opening; the hollow body is embeddable in a component proximate to a perimetric sid... | 01/01/2002 |
| 5913792 | Device for installing impact-type anchoring means A device for installing an impact-type anchoring unit having an expansion sleeve with an internal bore tapering in a forward region and threaded in a rearward region and an expansion body adapted to be driven into the expansion sleeve by an impact tool ha... | 06/22/1999 |
| 5743062 | Anchoring device for housing/building construction An anchoring device for housing/building construction has at least one anchoring member with a shaft and a first and a second end. The anchoring track to which the first end is form-fittingly connected has an inner and an outer surface. The second end has... | 04/28/1998 |
| 5666779 | Method of forming a pressure free expansion anchorage A method forming a pressure-free expansion anchor in a cylindrical borehole (2) with an undercut (3) in a receiving material forming an anchorage, with an undercut expansion dowel (5) inserted into the borehole. The dowel (5) has an axially-extending thre... | 09/16/1997 |
| 5392582 | Mortar grouting type connector for reinforcing bars A mortar grouting type connector for reinforcing bars having a grouting port and a discharging port disposed adjacent the ends thereof, a plurality of annular ridges provided on its internal surface and a stopper provided approximately at its mid-length p... | 02/28/1995 |
| 5386675 | Concrete beam connection sleeve A concrete beam connector sleeve has a tubular plastic body with a large dimensional end portion, a funnel portion joining the end portion, a rod guide portion joining the funnel portion, a bolting step joining the rod guide portion and a large dimension ... | 02/07/1995 |
| 5110094 | B-shaped structural member and fastening system A B-shaped structural member including a linearly extending back-wall section running substantially the entire length of the member, a first sidewall section and a second sidewall section, each sidewall section being integrally formed with and extending f... | 05/05/1992 |
| 4719724 | Precast concrete manhole adjustable bolt slot assembly for securing cast iron frame and cover A top concrete section for a manhole assembly is cast with a plurality of bolt slot inserts each insert having a substantially inverted T-shaped hollow interior for slideably receiving a nut which may be moved to any desired position along the base of the... | 01/19/1988 |
| 4498271 | Fixing anchoring bars or the like in structures such as concrete A method and apparatus is provided for anchoring threaded bars, such as bolts or similar elements, to hardened concrete, cement, or stone. An anchoring hole and a side hole are cut in the solid structure, and a sprag is then positioned within the side hol... | 02/12/1985 |
| 4493136 | Pivotal mono wing cruise missile with wing deployment and fastener mechanism A moveable wing aircraft including a quick release, attachment mechanism carrying the aircraft on a bomb rack or other carrier and a mechanism for deploying the moveable wing from its captive carry position to its extended free flight position are discl... | 01/15/1985 |
| 4368606 | Socket means for embedment in a concrete slab A socket having a socket body which is accurate in position when in use. The body is provided with an internal blind bore having an open end and a closed end. The blind bore defines or has a portion defined by inner surfaces which converge in a direction ... | 01/18/1983 |
| 4325575 | Hoisting coupling for concrete slabs A remotely releasable hoisting coupling for engagement with an anchor cast in place within a concrete slab. The anchor provides a passage opening through the surface of the slab and an annular abutment shoulder spaced beneath said surface. The coupling co... | 04/20/1982 |
| 4316689 | Anchorage system of the elements to be supported on the completed structure An anchoring system is provided for use in building walls. A drill hole is formed in a wall or floor with a radially enlarged portion. A fixing bolt bearing an anchoring sleeve and a threaded piece is inserted into the hole. The anchorage sleeve having ra... | 02/23/1982 |
| 4141190 | Bolt-seating plug Bolt-seating plug in which a bolt is secured by an inner end block means which is accommodated within the inner chamber of the plug having the shoulder wall wider than the central portion of the plug accommodating the shank of the bolt, whereby bolt-withd... | 02/27/1979 |
| 4135432 | Anchor for undercut bore An anchor for insertion into a hole in a wall having an undercut groove extending therearound, the anchor having an elongated body with a bore therethrough, the bore being threaded at its outer end and tapering down in diameter toward the inner end of the... | 01/23/1979 |
| 4130977 | Concrete insert An improved slotted channel device for anchoring of bolted metal framing systems to concrete walls, ceilings or forms, which device is shaped to provide a front half section having parallel sides with inturned lips adapted to receive a rectangular locking... | 12/26/1978 |
| 4123882 | Method of and apparatus for erectign concrete wall panels A concrete slab or panel poured in its horizontal position is fitted with anchor inserts embedded in the concrete that receive releasable pickup units or devices for connection of the panel to a hoist. Each insert has a tubular member of a relatively shor... | 11/07/1978 |
| 4018470 | Anchor insert for embedment in a concrete slab An improved anchor insert adapted to be embedded in a concrete slab for cooperation with a pick-up unit which includes a locking stem having a pair of lift shoulders extending from opposite sides of the stem, comprises a concrete-excluding cage having a h... | 04/19/1977 |
