Class 404/62 - Supported dowel end

Subclass of Class 404 - Road structure, process, or apparatus
Definition: Mid-bridge structure provided with means for positioning
No. of patents: 29
Last issue date: 10/28/2008

Number	Title	Issue Date
7441984	Concrete slab dowel system and method for making and using same A plurality of sleeve members for receiving and maintaining a dowel bar therewithin can be provided so that the dowel bar does not transmit substantial shear stresses to the concrete during the contraction and expansion of the concrete. The sleeve members can compri...	10/28/2008
7404691	Dowel bar assembly with snap fit side frames An apparatus for combining adjacent concrete slabs including a dowel, an end cap, and a side frame. The end cap has a hood defining a curved channel extending at least partially around a dowel receiving end. The side frame has at least one wire received in the curve...	07/29/2008
7314334	Dowel bar assembly with snap fit side frames An apparatus for combining adjacent concrete slabs including a dowel, an end cap, and a side frame. The end cap has a hood defining a curved channel extending at least partially around a dowel receiving end. The side frame has at least one wire received in the curve...	01/01/2008
7201535	Concrete slab dowel system and method for making and using same A sleeve assembly system, a concrete dowel slab joint system, a method for maintaining adjacent sections of concrete in alignment during contraction and expansion of the concrete and for transferring shear stresses and bending moments across a joint formed between a...	04/10/2007
7174689	Concrete anchor float A concrete anchor float that, in one embodiment, facilitates the placement of anchor bolts that protrude from concrete constructions, such as foundations. The concrete anchor float of the present invention can be used with nearly any conventional anchor bolt to insu...	02/13/2007
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
7108101	Manhole insert for manufacture of a cast member and to provide a step insert having increased structural and holding strength Method and apparatus for forming cast members. Steps are provided in the cast member by sliding mounting flanges of hollow plastic step inserts into slots provided in the inner mold shell. The cast material is then poured into the mold. Once the cast material has se...	09/19/2006
7076924	Ovalized concrete block-out tube with tear away nailing flange A block-out tube for use in joining together pre-cast concrete members, the block-out tube having an ovalized cross-section, an integral elongate imperforate hollow tubular body with smoothly curved corrugated walls, a rounded tip closing the bottom end thereof, a m...	07/18/2006
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
7048740	Connector for domed cutting tool The surgical reamer has a hollow dome with apertures spaced apart arranged in arcs extending from an apex of the dome to the base portion of the dome, and removable teeth positioned in the apertures. Each cutting tooth has a flange that is aligned flush with the ext...	05/23/2006
6745532	Process for the articulated imbrication of concrete slabs ¢i(in situ) The invention relates to the articulated imbrication of concrete slabs i(in situ) wherein joints are formed by laying i(in situ), along joint lines, a simple armored mesh device with a cut and fold pattern which has been already prepared in the workshop. Advantage i...	06/08/2004
6502359	Dowel placement apparatus for concrete slabs An expendable concrete dowel placement apparatus comprising a concrete form and a dowel holder capable of quickly positioning a dowel perpendicular to the surface of the concrete form, thereby allowing the finished concrete slab to expand and contract rel...	01/07/2003
6475221	Connector for domed cutting tool The surgical reamer (20) has a hollow dome (24) with apertures (26) spaced apart arranged in arcs (28) extending from an apex (30) of the dome to the base portion (32) of the dome, and removable teeth (22) positioned in the apertures. Each cutting tooth (...	11/05/2002
6471441	Shear-load chuck holder A shear-load chuck which is mounted between two members and has a multi-layer structure for transmitting dynamic loads. The multi-layer shear-load chuck is mounted on one surface of a junction like in the traditional bushing of a shear load chuck. A suppo...	10/29/2002
6210070	Concrete dowel slip tube with clip A concrete dowel placement apparatus for use with continuous pour concrete slabs comprising at least one slip tube, a concrete support dowel insertable into a respective slip tube and a wire mesh supporting structure. The slip tube comprises an elongate t...	04/03/2001
6171016	Tubular reinforcing dowel system and method A tubular reinforcing dowel system includes a plurality of fiber composite hollow, tubular dowel tubes comprising a first material and each including a longitudinally-extending bore. The dowel tube bores are filled with a second material, such as hydrauli...	01/09/2001
6145262	Dowel bar sleeve system and method A rectangular dowel bar sleeve is disclosed for receiving dowel bars and tie-bars that allows opening and closing of joints between adjacent cast-in-place slabs and pavements while allowing differential lateral movement of adjacent cast-in-place slabs in ...	11/14/2000
6092960	Concrete joint restraint system A concrete joint restraint system that is adapted for securing a dowel to first and second horizontal members that are spaced apart from one another and located at a desired height above a subgrade prior to placement of concrete. The system includes a clo...	07/25/2000
5934821	Concrete dowel placement apparatus A concrete dowel placement apparatus comprising a base member and an elongate, tubular dowel receiving sheath which is connectible to the base member. The base member comprises an outer sleeve having first and second ends and a flange portion which extend...	08/10/1999
5870869	Yielding tie bar A yielding tie bar transfers load stress across a joint between adjacent concrete slabs, and accommodates internal movement of the slabs to reduce cracking. A combination of adjacent slabs have a cracking strength and comprise a plurality of such tie bars...	02/16/1999
5797231	Concrete slab dowel system and method for making same A concrete dowel slab joint system is provided for maintaining adjacent sections of concrete in alignment during contraction and expansion of the concrete, and for transferring shear stresses and bending moments across a joint formed between adjacent conc...	08/25/1998
5713174	Concrete slab dowel system and method for making same A concrete dowel slab joint system for maintaining adjacent sections of concrete in alignment during contraction and expansion of the concrete, and for transferring shear stresses and bending moments across a joint formed between adjacent concrete slabs. ...	02/03/1998
5678952	Concrete dowel placement apparatus A concrete dowel placement apparatus comprising a base member and an elongate, tubular dowel receiving sheath which is connectible to the base member. The base member comprises an outer sleeve having first and second ends, and an inner sleeve which is dis...	10/21/1997
5586834	Joint structure for coupling precast concrete pavement slabs A joint structure for coupling adjacent precast concrete pavement slabs which is excellent in execution process for pavement, particularly is capable of ensuring the sliding of a reinforcing bar. A first horizontal hole for accommodating a reinforcing bar...	12/24/1996
4834576	Expansion joint and form for concrete floors An expansion joint and form for concrete floors, consisting of a free-standing assembly comprising a vertical asphaltic board, a metallic panel flatly abutting against the asphaltic board, and a number of load transfer dowels or rods slidingly passing hor...	05/30/1989
4653956	Highway pavement A highway pavement of concrete slab-on-grade surface includes a prestressed portland cement concrete surface layer which is mounted on a non-freezing low restraint support grade layer without any linear physical connection thereto in such a manner as to p...	03/31/1987
4648739	Load transfer cell assembly for concrete pavement transverse joints A non-corrosive load transfer cell assembly for transverse joints in concrete pavement structures including support chairs, a pair of plastic walls abutting the edges of the concrete joints, a drainage trough for continuous drainage flow, a joint forming ...	03/10/1987
4522531	Transverse joint cell for concrete structures A transverse concrete pavement joint cell including a pair of plastic walls abutting the edges of the concrete joints. A seamless drainage gutter extends longitudinally between said plastic walls to the edges of the pavement. Blocks of compressible elasto...	06/11/1985
3972640	Highway joint with spring torsion bar A highway joint system, and the method of forming the same, wherein bars are employed between adjacent concrete highway sections having obliquely disposed end joints imposing a biasing force upon the sections during the occurrence of section lateral displ...	08/03/1976

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Class 404/62 - Supported dowel end