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| Number | Title | Issue Date |
| 7311465 | Strike-off beam and spreader plow assembly for placer/spreader In combination with a placers/spreader having a frame including at least two side bolsters standing parallel to the subgrade path and at least two cross beams spanning the subgrade path forming a conveyor supporting structure. A rail system is attached spanning the ... | 12/25/2007 |
| 7214001 | Method and machine for forming a concrete path An insertion device configured for connecting to a frame of a concrete paving machine. The insertion device including a housing, a guide tube extending from the housing, and an ejection device positioned in the housing and cooperating with the guide tube to individu... | 05/08/2007 |
| 7037035 | Method and machine for forming a concrete path or the like, as well as device for inserting dowels applied herewith A paving machine having a dowel bar insertion assembly and a form piece permit precise placement of at least one dowel bar, in a mass of concrete, before smoothing and leveling of the concrete mass into a desired surface. A detection device activates a drive device ... | 05/02/2006 |
| 7029072 | Modified rumble strip cutter A rumble strip cutting machine having a drum that can be shifted from one side of the machine to the other. The machine includes a piston wheel that imparts an up and down motion to the frame so that rumble strips can be cut at desired intervals as the machine is dr... | 04/18/2006 |
| 6962490 | Concrete extruder attachment for a vehicle A concrete extruder attachment for a vehicle includes a hopper adapted to hold flowable concrete. The hopper has an upper concrete inlet and a lower concrete outlet. A slip form is connected to the lower concrete outlet. An internal vibrator causes concrete to flow ... | 11/08/2005 |
| 6817242 | Concrete level indicator A device indicates the level of concrete within the hopper of a concrete pump and prevent accidental overflow and spills. The concrete level indicator device includes an elongate post with an enlarge float fixed to the bottom end and a guide sleeve for allowing vert... | 11/16/2004 |
| 6775952 | System of protecting the edges of cast-in-place concrete slab on ground, construction joints An improved joint edge assembly, of the type used in the construction of concrete slabs, is disclosed. The assembly comprises a longitudinal joint rail, preferably of steel, which is supported off the ground by temporary formwork. The joint rail is secured to the fo... | 08/17/2004 |
| 6761345 | Concrete form A concrete form having a first wall defining a predetermined thickness and a peripheral edge of a concrete slab and a second wall transverse to the first wall for supporting a temporary extended border portion of the slab having a thickness less than the predetermin... | 07/13/2004 |
| 6655869 | Device for inserting dowels into freshly laid road surfaces In a device for inserting dowels (2) in the vicinity of transverse expansion joints of freshly laid concrete road surfaces (4), comprising a machine frame (8) supported by traveling mechanisms (6), at least one storage container (10,12) for the dowels (2)... | 12/02/2003 |
| 6579037 | Dowel bar inserter kit having chain feeder A slipform paver having a dowel bar inserter pan. The inserter pan has a plurality of dowel bar receiving stations therein. The inserter pan is movable relative to the suspended slip form such that the pan moves towards and away from the slip form during ... | 06/17/2003 |
| 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 |
| 6390726 | Dowel bar inserter kit having chain feeder In combination with a slipform paver, a new chain feeder is disclosed which is contained within the profile of a slipform paver. The chain feeder is used in combination with a plurality of dowel bar inserter stations. A single file dowel bar path is provi... | 05/21/2002 |
| 6390727 | Dowel bar inserter kit having chain feeder A dowel bar inserter kit is used, typically in combination with a paver. The dowel bar inserter kit is removably detachable from the paver and includes at least two laterally extending support beams supported from the paver extending away from and behind ... | 05/21/2002 |
| 6341919 | Threaded side bar inserter An apparatus for inserting a side bar having a bar portion and a flanged end in a side face of a concrete slab formed by a slip form paver is provided. The apparatus includes a frame having a side bar receiving chamber defining a travel path. A slide pin ... | 01/29/2002 |
| 6176643 | Detachable dowel bar inserter kit for portable slip form paver A dowel bar inserter kit has removable attachment to and from a slipform paver. The kit includes a track bolster on each side having a crossbeam tying the bolsters together at the rear of the inserter. Each bolster is provided with two flange attachments ... | 01/23/2001 |
| 6099204 | Apparatus for inserting dowel bars in a concrete slip forming machine An apparatus for inserting dowel bars into a concrete slab in association with a slip forming machine of a type having a frame with a pan attached thereto for shaping uncured concrete into a continuous concrete slab. The pan itself has a space therein com... | 08/08/2000 |
| 5993108 | Dowell rod inserter A device for inserting rods into plastic forms comprising a frame, a plunger assembly coupled to the frame, an air cylinder assembly also coupled to the frame and to the plunger assembly, and a pneumatic plumbing assembly connected to the air cylinder ass... | 11/30/1999 |
| 5941659 | Apparatus for inserting dowel bars within the pan of a concrete slip forming machine An apparatus for inserting dowel bars into a concrete slab in association with a slip forming machine of a type having a frame with a mold attached thereto for shaping uncured concrete into a continuous concrete slab. The mold having a front and rear pan ... | 08/24/1999 |
| 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 |
| 5924817 | Apparatus on a concrete slip forming machine for inserting dowel bars within a split pan having critical dimensions An apparatus for inserting dowel bars into a concrete slab in association with a slip forming machine of a type having a frame with a mold attached thereto for shaping uncured concrete into a continuous concrete slab. The mold having a front and rear pan ... | 07/20/1999 |
| 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 |
| 5405212 | Paving machine with drop-then-stop dowel bar insertion A paving machine having a medially located dowel bar feeder positioned in front of a dowel bar inserter. The machine has a screw or paddle for spreading the concrete and a front strike-off to allocate a proper amount of unconsolidated concrete beneath the... | 04/11/1995 |
| 5318377 | Paving machine with midline dowel bar insertion A paving machine having a medially located dowel bar feeder positioned in front of a dowel bar inserter. The machine has a screw or paddle for spreading the concrete and a front strike-off to allocate a proper amount of unconsolidated concrete beneath the... | 06/07/1994 |
| 5273374 | Dowel setting device A dowel setting device which can be employed together with a formless paving machine is described. A plurality of booms is pivotably disposed, looking in the direction of travel, ahead of the vehicle body and ahead of devices for tamping the concrete. Dow... | 12/28/1993 |
| 5209602 | Method and apparatus for inserting dowel bars for a concrete slip forming machine A method and apparatus for inserting dowel bars into a concrete slab is used in association with a slip forming machine of a type having a frame with a pan attached thereto for shaping uncured concrete into a continuous concrete slab. A plurality of openi... | 05/11/1993 |
| 5190397 | Dowel bar insertion method and apparatus for concrete paving machine An improved method and apparatus of inserting dowel bars into a newly formed concrete road surface at locations for at least partially forming transverse joints therein includes a slip forming machine for laying a strip of newly formed concrete. A dowel b... | 03/02/1993 |
| 5135333 | Band reinforcement inserting apparatus and process An apparatus and process for the placement of horizontally disposed side by side and/or vertically staggered reinforcing bands in combination with a typical slip form or form type concrete paver. The paver receives and spreads fresh concrete, continuously... | 08/04/1992 |
| 4995758 | Center bar inserter A center bar inserter having a frame for supporting a plurality of forks for pivotal movement about a horizontal axis is provided. Insertion of a center bar is preformed by simultaneously extending the forks into the concrete slab while the forks pivot ab... | 02/26/1991 |
| 4799820 | Road-building machine Apparatus for inserting longitudinal studs in a concrete road covering. By means of a longitudinally running sled and forks, an exact parallel orientation of the longitudinal studs is achieved, as well as their arrangement at a predetermined height. Throu... | 01/24/1989 |
| 4798495 | Apparatus for insertion of reinforcement rods in a concrete road surface The apparatus (20) is vertically and adjustably placed on the girders (2b) of the sheet piling equipment (1). It has a slab (21) with apertures (26) parallel to the direction of movement. A vibrating beam (60) is vertically and adjustably placed on the sl... | 01/17/1989 |
| 4688963 | Dowel bar placing An attachment to a slipform paver is provided which has side plates and surface plates engaging the sides and top surface respectively of a freshly formed slab of concrete, the slide plates being movable laterally to conform to deviations in the direction... | 08/25/1987 |
| 4493584 | Apparatus and process for dowel insertions A dowel insertion apparatus and process is disclosed for the insertion of a plurality of joining dowels in freshly placed concrete slabs. Each dowel is grasped each by an individual inserter. Typically the inserter is mounted from a carrier and includes p... | 01/15/1985 |
| 4433936 | Device for driving and positioning towels into concrete slabs This invention relates to a device for driving and positioning, by vibration, dowels into concrete slabs during the construction of roads, on both sides of points between said slabs and perpendicularly to said joints, comprising a horizontal beam which is... | 02/28/1984 |
| 4353666 | Device for transferring loads between adjoining concrete slabs A first elongated steel frame has a dowel mounted thereon at right angles. The dowel projects through an aperture in a compressible filler board thence through a registering opening in a second elongated steel frame. The long dimensions of the two frames ... | 10/12/1982 |
| 4136993 | Apparatus for forming keyway joints An apparatus for continuously forming and positioning a keyway joint is removably coupled to the front end of a slip-form paving machine. A supply roll of key strip stock is mounted on the apparatus and the strip is guided to successive arrangements of fo... | 01/30/1979 |
