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Barrier transfer device, system and method for the use thereof

Patent Number: 8109692
Publication Date: 2012-02-07
Inventors: Wilkinson, Douglas E.; Welch, James B.; Stephens, Barry D.; Thompson, Sean; Leonhardt, Patrick A.; Oberth, Michael H.; Crothers, Donald L.

A barrier transfer device includes a cantilevered support arm and a carriage coupled to the support arm. The carriage includes at least a pair of barrier interface members extending downwardly from the support arm. The barrier interface members are configured to engage a barrier on opposite sides thereof when the barrier. A system for transferring a barrier includes a transfer vehicle having an outermost portion on each of first and second opposite sides of the transfer vehicle. The ...

Apparatus and method for on site pouring of pre-stressed concrete structures

Patent Number: 8109691
Publication Date: 2012-02-07
Inventor: Clark, James R.

An apparatus and method for on site pouring of pre-stressed concrete structures. A form, having elongated sides spanned by first and second bulkheads at each end, is assembled on a building site. The form defines the size and configuration of a structure, and has an upper edge determining the upper surface of the structure. A transportable cable pre-stressing frame is provided, having a first end and a second end with respective outrigger assemblies and at least one pre-stressed cable ...

System for continuous vehicular travel on crossing roadways

Patent Number: 8109690
Publication Date: 2012-02-07
Inventors: Sutchiewcharn, Narathip; Li, Zongzhi; Budiman, Jeffry; Shen, Jay

Systems for improved vehicular movement between first and second crossing roadways. The systems employ multiple turn roadways to permit a vehicle traveling on one of the crossing roadways to appropriately turn and continuously travel onto the other of the crossing roadway. The systems are adaptable to use in conjunction with either left side of the road vehicle movement or right side of the road vehicle movement. In addition, the systems can be adapted for use in conjunction a roadway ...

Concrete screed apparatus

Patent Number: 8104992
Publication Date: 2012-01-31
Inventor: Biodrowski, Richard

A concrete screed apparatus is provided which may be used by a pair of workers, each of whom has the screed apparatus mounted to one of their legs or feet. The screed apparatus enables concrete to be easily screeded and properly finished without the workers doing the same on their knees or bending from the waist. The screed apparatus is adapted to move a screed board back and forth across the concrete to be finished which is also vibrated as it is being ...

Method and composition for road construction and surfacing

Patent Number: 8104991
Publication Date: 2012-01-31
Inventors: Vitale, Robert W.; Elswick, Frank D.; Greenlee, Gina M.

Methods and compositions for improving the strength and longevity of secondary roadways through environmentally sound practices are disclosed herein. A composition for road sealing includes an aqueous emulsion of acrylic and vinyl acetate polymer, water, and a resin-modified emulsion, wherein the resin-modified emulsion includes a mixture of pitch and rosin, an emulsifying agent, and ...

Paving system

Patent Number: 8104990
Publication Date: 2012-01-31
Inventor: Lowe, Timothy Robert

A paving system comprises an upper paving layer (1) permeable to liquid, and a substrate layer (7) of load bearing particulate material. Particles (10) of a non-load bearing, non-degradable porous foamed polymeric material are distributed in the interstitial spaces between particles (9) of the load bearing particulate material. The porous material may be an open celled phenolyic foam such as foamed phenol formaldehyde resin. The porous material absorbs water and ...

Roller drum assembly for packing a surface

Patent Number: 8100603
Publication Date: 2012-01-24
Inventor: Sampson, Russel H.

A roller drum assembly includes a roller drum for rotationally engaging a surface, a frame connected to the roller drum for manually controlling movement of the assembly, a tank mounted on the frame for retaining a liquid, and conduits mounted on the frame for directing the liquid from the tank to the roller drum, and further includes a wand mounted on the frame and in communication with the tank, for ejecting the liquid onto selected surfaces spaced from the roller drum ...

Apparatus for installing elongate seal strips

Patent Number: 8100602
Publication Date: 2012-01-24
Inventor: Mathey, Jesse S.

A machine or apparatus for installing resilient or elastomeric strip seals of indefinite length in expansion joints in, for example, highways and bridges. The machine includes an open, upper frame connected to a lower frame supported at its four corners by four freely rotating wheels. A pair of clamping pistons on the lower frame includes rollers which are adjusted to engage one face of the expansion joint. A toothed wheel or blade rotates about an inclined axis and is powered by a motor ...

Connector and rig mat employing same

Patent Number: 8096728
Publication Date: 2012-01-17
Inventors: Stasiewich, Brian Matthew; Bathelt, Jared Michael

A connector apparatus includes first and second spaced apart generally coplanar walls and a support between the first and second walls. The first wall includes a first guiding surface and a first stopping surface extending at a first angle to the first guiding surface. The second wall includes a second guiding surface opposite at least a portion of the first guiding surface and generally facing towards the first guiding surface, a second stopping surface extending from the second guiding ...

Retractable post system

Patent Number: 8096727
Publication Date: 2012-01-17
Inventors: Parenti, Chris; Gutierrez, Abel

A temporary barricade in the form of a retractable post system. In one configuration, the post is lowered into the ground, such that the top of the post is flush with the ground surface, leaving an unobtrusive configuration that one can walk over, drive over, and so forth. In another configuration, however, the post can be pulled up from the ground, and with a moderate rotational twisting motion, locked into vertical position, thereby providing a strong barrier to traffic and other ...