Class 404/50 - With offset or keyed slab ends

Subclass of Class 404 - Road structure, process, or apparatus
Definition: Joint structure wherein the abutting peripheral configuration
No. of patents: 23
Last issue date: 02/13/2007

Number	Title	Issue Date
7174681	Concrete from stake system with self-sealing plug Method and apparatus for securing a building foundation form disposed on a moisture barrier membrane. The method includes the steps of positioning one end of a concrete form stake in a mating structure of a plug, penetrating the moisture barrier membrane with a tip ...	02/13/2007
7134248	Pre-cast panel form insert The present invention is directed to a pre-cast panel form insert used in precast construction. The insert comprises a substantially planar portion defining dimensions suitable to complement dimensions of a pre-cast panel form and a fluid diverting portion. The flui...	11/14/2006
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
7025530	Road mats A road mat having a mat body with a first coupling end and a second coupling end. A first locking mechanism is provided at the first coupling end that includes a male coupling member and a female coupling member. A second locking mechanism is provided at the second ...	04/11/2006
7021858	Double joints pavement system A construction joint implement and method for its use in the construction of surface pavement (e.g., roads, highways, airports, and parking lots of concrete or asphalt) comprise a trapezoidal shaped reinforcing beam or a modified reinforcing beam made of a rigid mat...	04/04/2006
6962462	Method of forming, installing and a system for attaching a pre-fabricated pavement slab to a subbase and the pre-fabricated pavement slab so formed A pre-fabricated pavement slab having a binder distribution system and an interconnection system formed for attachment of the bottom surface of the slab, wherein both the binder distribution system and the interconnection system are accessible from the top surface o...	11/08/2005
6709192	Method of forming, installing and a system for attaching a pre-fabricated pavement slab to a subbase and the pre-fabricated pavement slab so formed A pre-fabricated pavement slab having a binder distribution system and an interconnection system formed for attachment of the bottom surface of the slab, wherein both the binder distribution system and the interconnection system are accessible from the top surface o...	03/23/2004
6471440	Paving stone A paving stone (1) has a linkage securing against displacement. This is achieved by overengaging interlocking elements (6) and underengaging interlocking elements (5) being respectively provided on each side (3, 4) of the paving stone (1)....	10/29/2002
5971655	Connection structure of deckings Deckings include an upward hook and a receptacle. The upward hook is inserted into the receptacle. The receptacle has an opening immediately below a sidewall upper end portion that is continuous with the upper surface of the decking. The space between the...	10/26/1999
5910087	Control joint for forming concrete A control joint for forming and controlling concrete structures such as floors and tilt-up walls. The joint has a base and an upstanding web with an off-set section and is preferably extruded from plastic. In alternate embodiments, the joint has a base an...	06/08/1999
5882508	Easy clean system for a gutter An easy clean system (18) for a gutter (20) at the eaves (24) of a roof (26) on a building (28) comprising a leader (34) connected to an aperture (36) in the gutter (20), so that the leader (34) will extend vertically down along an exterior wall (38) of t...	03/16/1999
5826391	Concrete joint and method A formwork comprising a metal panel 11 having an upper portion 12, a lower portion 13 and a intermediate portion 14 displaced laterally out of the line of the panel 11, the portions 12 and 13 have spaced holes 15 through which reinforcing rods 16 project ...	10/27/1998
5380122	Joint forms for concrete slabs and method for installation of joint forms Joint forms for use in concrete slab formation. Such joint forms may be locked vertically and, if desired, laterally onto joint forms stakes by virtue of a number of aligned stake ear slots 26 and locking slots 28 which cooperate with corresponding ears a...	01/10/1995
5052852	Concrete keyed joints A concrete keyed joint is formed using a joint plate which has coplanar top and bottom sections interconnected to a parallel rearwardly spaced central section by rearwardly convergent upper and lower inclined sections and spaced pair of holes in the incli...	10/01/1991
4904111	Adjustable support for use with metal keyway forms for above grade concrete slab This invention discloses an adjustable support securable to metal decking to support a metal keyway form. The adjustable support can be used to establish keyway in concrete poured above ground level, particularly on metal decking. This method of producing...	02/27/1990
4824289	Sealing profile for tunnel segments There is provided a sealing profile formed of rubber or rubber-like material for tunnel segments having a recess therefor extending therearound, the profile having a base side facing the segment and a back side facing away from the segment, a plurality of...	04/25/1989
4572701	Universal concrete screed system A system of forms for facilitating the pouring of concrete into slabs, including a single "universal" screed stake with four vertically spaced pairs of fingers for selective use with screeds of four different vertical dimensions, each of the pairs of fing...	02/25/1986
4531858	Partially separable attachment device for sheet metal screed and stake assemblies A partially separable attachment device for sheet metal screed and stake assemblies of the type used in forming concrete ground slabs serves to hold top portions of the sheet metal screed and its supporting screed stakes in interassembled relation for use...	07/30/1985
4516875	Concrete slab key joint forming strip and supporting stake therefor A key joint forming strip and supporting stake therefor wherein the upper portion of the strip includes a hook segment engageable with a supporting ledge on the upper end of the stake and the intermediate portion of the stake includes a downwardly facing ...	05/14/1985
4455104	Metal concrete joint form and adjustable stakes A metal concrete joint form is shown supported on a plurality of interlocking metal stakes for providing a positive, vertically-adjustable, strong locking action between these members. The top end of each stake is flattened and it has a plurality of close...	06/19/1984
4012159	Key-joint forming divider strip and screed for use with concrete slabs A divider strip with an upstanding screed for use in connection with the pouring of a pair of adjoining concrete slabs, such strip being designed to be supported by a horizontal series of laterally and substantially equidistantly spaced stakes which are s...	03/15/1977
4012024	Key-joint forming divider strip with upstanding screed adapted for use with concrete slabs A divider strip with an upstanding screed for use with a pouring of a pair of adjoining concrete slabs, such strip being designed to be supported by a horizontal series of laterally spaced stakes which are set below a predetermined grade level, and being ...	03/15/1977
3982365	Distribution blocks for the formation of joints resisting to differential settling and joints obtained by using said blocks A distribution block, which comprises a body having a trapezoidal longitudinal section and toothing bars projecting on the said body and extending from an inclined face to the upper face thereof....	09/28/1976

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Class 404/50 - With offset or keyed slab ends