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| Number | Title | Issue Date |
| 8128390 | Portable concrete moulding machine A portable concrete molding machine can extrude concrete moldings of a range of widths by the provision of one or more tunnel plates within the mold, the machine being provided with respective pusher plates that have pusher faces of widths complementary to the effec... | 03/06/2012 |
| 7510384 | Concrete wall fabrication system A concrete wall fabrication system includes an endless track, mold carriers movably supported on the endless track for carrying a respective set of formworks for molding concrete into multiple concrete walls at a time, a concrete spouting unit set above the endless ... | 03/31/2009 |
| 7243474 | Methods and apparatus for forming and placing generally horizontal structures One embodiment of the present invention provides for a method of placing a concrete structure in a generally horizontal position. The method includes building the concrete structure in an essentially vertical position, the concrete structure being defined by a first... | 07/17/2007 |
| 7204471 | Method and arrangement for forming construction panels and structures A form-work support arrangement for building form-work for moulding a concrete construction panel on top of a previously poured concrete panel (58). Generally the upper panel to be moulded has the same horizontal dimensions as the previously poured panel (... | 04/17/2007 |
| 7191569 | Telescoping pier foundation A telescoping pier foundation system (100, 100a, 100b) comprises generally an outer shell preferably made of a tough material, such as, a suitable polymer or a metal alloy, having an internal cavity (12) for receiving cementitious ... | 03/20/2007 |
| 7153454 | Multi-nozzle assembly for extrusion of wall A multi-nozzle assembly may include a first nozzle configured to extrude material through a first outlet; a second nozzle configured to extrude material through a second outlet; and a third nozzle configured to extrude material through a third outlet, the third outl... | 12/26/2006 |
| 7004737 | Methods and apparatus for forming concrete structures An apparatus for forming concrete structures includes a first truss module and a second truss module, as well as a first and a second concrete form. The apparatus further includes a first and a second actuator device. Each first and second actuator device is mounted... | 02/28/2006 |
| 7000460 | Multiple engine test system A multiple engine test system that includes an engine test bed system for holding a specific engine type, a mounting frame, and a handling system for transporting the engine test bed system from storage to the mounting frame. The engine test bed system has all the p... | 02/21/2006 |
| 6998075 | Method for casting of concrete products A method and apparatus are disclosed for slip-form casting a concrete product, the product being made from at least two different grades of concrete so that the concrete mix grade can be changed in an uninterrupted fashion during casting at a desired point along the... | 02/14/2006 |
| 6969476 | Method for casting a concrete product A method is disclosed for casting a concrete product using two or more different grades of concrete mix, in which method predetermined amounts of different grades of concrete mix are delivered at appropriate instants into the feeder hopper of the slip-form casting m... | 11/29/2005 |
| 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 |
| 6926851 | Method, composition and apparatus for controlled concrete A method is provided for use of a concrete composition and an associated apparatus. The method provides for mixing of the concrete material, accelerant powder and, optionally, an associated substance to enable the controlled hardening of the concrete material in a m... | 08/09/2005 |
| 6923630 | Apparatus and method for impressing patterns in a slip-formed concrete wall An apparatus and a method for impressing three-dimensional patterns in a slip-formed concrete wall. At least one impression roller is provided at the discharge end of a slip form. The impression roller includes an outer periphery, provided with a layer or coating of... | 08/02/2005 |
| 6921501 | Method of forming a circumferentially closed concrete wall having the same cross-section over the entire height thereof A method of forming a circumferentially closed wall having the same cross-section over its entire length included providing at least two circumferentially closed inner falseworks each formed of circumferentially closed inner part and a circumferentially closed climb... | 07/26/2005 |
| 6913717 | Method of constructing a rail track in which a concrete track slab is produced and rail track anchor members are inserted into the track slab A method of constructing a rail track in which a concrete track slab is produced and rail track anchor members are inserted in the track slab by an inserter system mobile along the route of the rail track includes the following steps: using a machine for continuousl... | 07/05/2005 |
| 6770228 | Method for successive concreting of high vertical walls A method for successive concrete of high vertical walls by using a climbing shuttering system having a support structure on which various concrete shuttering elements are loaded hanging downwards. The top supporting carrier and the climbing shuttering system can be ... | 08/03/2004 |
| 6540435 | Curb mold and extruding system A molding device for placement of formed cementitious material such as concrete on a mounting surface. The device is used in combination with a supply of pressurized cementitious material communicated through a hose from a conventional cement pump or the ... | 04/01/2003 |
| 6394410 | Adjustable reinforcement insertion guide for a slip form concrete barrier mold An adjustable reinforcement insertion guide is installed within the slip form mold of a mobile concrete slip form machine, for guiding steel reinforcement screens into the mold interior during the casting of continuously poured concrete barrier walls (i.e... | 05/28/2002 |
| 6276912 | Climbing shuttering system for successive concreting of high vertical walls The invention concerns a climbing shuttering system having a supporting structure on which various concrete shuttering elements are loaded hanging downwards. Said structure is connected at least to a first top supporting carrier that underprops it. The to... | 08/21/2001 |
| 6210142 | Apparatus for constructing a snow shelter A method and apparatus for constructing a shelter from ice or snow. A slip form allows snow or ice to be formed in situ into building blocks that form the shelter. The slip form comprises two vertical side pieces and incorporates an end cap that holds the... | 04/03/2001 |
| 5820887 | Apparatus for slip form production of prestressed concrete railroad ties Pre-stressed concrete railroad ties are manufacture by the slip form process in the absence of mold members, other than the slip form itself. Tie casting occurs on a portable casting soffits between portable soffit anchored deadmen supporting the pre-stre... | 10/13/1998 |
| 5766645 | Concrete forming system for stack construction The present invention relates to a concrete forming system and method permitting a series of stacked concrete slabs to be formed at a work site. The system includes a vertical support member configured to the work surface, concrete form members for defini... | 06/16/1998 |
| 5650224 | Elongated structural member and method and appartus for making same An elongated structural member suitable for use as a marine piling includes a continuous, extruded plastic body having rebar disposed within the plastic body and extending in the lengthwise direction of the structural member. The structural member is form... | 07/22/1997 |
| 5618476 | Process for slip form production of prestressed concrete railroad ties Pre-stressed concrete railroad ties are manufactured by the slip form process in the absence of mold members, other than the slip form itself. Tie casting occurs on portable casting soffits between portable soffit anchored deadmen supporting the pre-stres... | 04/08/1997 |
| 5322656 | Method and apparatus for coating the outer surface of an elongated body with a layer of concrete An apparatus for coating the outer surface of an elongated body (10), such as a rod or tube, with a layer of concrete (30) includes a frame structure (21). Pipe or tube sections (10) may be supplied to a tilting device (27) in a horizontal position on a c... | 06/21/1994 |
| 5202132 | Production line equipment to manufacture large concrete panels Overall production line equipment is utilized in producing many large concrete panels, in an initial horizontal position, during each day of many operational days, with these panels preferably being later installed vertically with other like panels to for... | 04/13/1993 |
| 5198235 | Apparatus for vertical slipforming of concrete walls A device for vertical slipforming of concrete walls includes a rigid frame and at least one slipform assembly suspended from and vertically displaceable with respect to the frame. Concrete is delivered to the interior of each slipform assembly which is in... | 03/30/1993 |
| 5129803 | Concrete leveling machine A concrete leveling machine is provided which propels itself over the surface of laid concrete and by use of rotating augers or oscillating stabilizers and a temper, levels and finishes the surface to a prescribed level and condition. A laser reference be... | 07/14/1992 |
| 5123831 | Concrete extrusion machine An extrusion machine for making hollow elongated articles of concrete has an eccentric compaction disc that reciprocates and rotates to compact and release air from zero slump concrete. The machine avoids having to have a high frequency converter which is... | 06/23/1992 |
| 5090884 | Apparatus for manufacturing hollow concrete structures An apparatus and method for forming hollow concrete structures or shells in which the top, bottom and sides are formed into an integral unitary structure by rotating an assembly of reinforcing members to enable the concrete forming the top, bottom and sid... | 02/25/1992 |
| 5086605 | Method of mounting floors in a shell whose concrete wall is erected by a continuous self-climbing shuttering installation A method for mounting floors in a shell whose concrete wall is erected by a continuous self-climbing shuttering installation and a continuous self-climbing shuttering installation for implementing the method, includes appropriate vertical and horizontal m... | 02/11/1992 |
| 5056959 | Method and device for stripping from the concrete to which it adheres the header of a wall section cast in the ground Apparatus for stripping a header from a cast concrete section to which it is adhered adjacent to a site for contiguous concrete section comprising a vertical track in direct association with the header; the track having an opening facing the site; and imp... | 10/15/1991 |
| 5024557 | Method and apparatus for constructing an offshore hollow column A method and apparatus for forming a hollow column of concrete on a floating offshore platform by applying successive layers of concrete and reinforcing to a single surface slipform which outlines the inner or outer contour of the column. The column is in... | 06/18/1991 |
| 5016855 | Beam clamp system A beam clamp system for securely engaging a pair of concrete form panels for maintaining them in generally vertical position against inadvertent dislodgment or dislodgment due to outward pressure from recently poured liquid concrete. Each clamp has a hori... | 05/21/1991 |
| 4997602 | Cast-in-place manhole liner method A collection of sheet-metal, flanged, arcuate panels is provided which panels can be assembled in belts of generally circular cross-section commencing from the bottom of the manhole to provide a complete form structure for casting a concrete liner with a ... | 03/05/1991 |
| 4984764 | Form with form stripping mechanism A forming device includes two opposite form boards, an upper fastening unit mounted on the first and second top ends of the form boards, an upper hydraulic drive unit cooperably connected to the fastening unit and a lower hydraulic drive unit mounted on t... | 01/15/1991 |
| 4955800 | Apparatus for producing prefabricated foam-insulated walls An apparatus for producing foam-filled stud walls. The apparatus has a main frame, including a substantially vertical backplate against which the sheathing bears, a carrier unit moveable vertically on the main frame, and a dam carried on the carrier unit ... | 09/11/1990 |
| 4944664 | Concrete wall form apparatus A concrete wall forming apparatus is described that facilitates formation of an elongated concrete wall between opposed sheet forms. An assemblable frame mounts the sheet forms in upright opposed orientations. The frame supports pairs of driven rollers th... | 07/31/1990 |
| 4923379 | Apparatus for cutting hollow-cored concrete slabs An apparatus for the instant cutting of hollow-cored concrete slabs wherein the cast cored slabs are subjected to an instant cutting operation prior to the hardening of the concrete mix in such a manner that exposes the cores and the ends of the cores are... | 05/08/1990 |
| 4921204 | Adjustable median barrier mold A fixture for an adjustable mold in which concrete road barrier sections are precast. The mold can be configured to cast symmetrical or asymmetrical sections having a uniform cross section throughout or a cross section that varies uniformly along the leng... | 05/01/1990 |
