Matches 1 - 50 out of 196 1 2 3 4 >
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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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
4890993 Apparatus for forming concrete structures  
A primary forming member is associated with a secondary supporting structure to allow rapid construction of elongate concrete structures of uniform cross-section by removing the primary forming...
4824350 Sliding shuttering system  
The invention relates to a sliding shuttering system for producing concrete structure walls, particularly for conical and/or sloping reinforced concrete structures with annularly closed, varying...
4808030 Shield tunneling method and assembling and disassembling apparatus for use in practicing the method  
Shield tunnelling method and assembling and disassembling apparatus for use in practicing the method. A shield having shield jacks is actuated for drilling a hole in the ground. Inner forms and...
4799872 Slipform apparatus for emplacing horizontal arcuate re-inforcing rods  
A slip-form of the kind for defining at least one surface of a wall-space into which concrete is to be poured. The slip-form includes a plurality of spaced apart upwardly extending members and to...
4795136 Apparatus for erecting forms  
A form erection hoist for use with concrete building forms or panels has a support which engages the top or an intermediate rib of an erected form. A column is rigidly attached to the support and...
4786242 Apparatus for the casting of hollow slabs out of concrete  
A casting apparatus for casting a hollow slab out of concrete includes a feeder member having an axis extending between first and second ends thereof and a forming member supported on the apparatus...
4778144 Concrete slab and beam forming system  
A concrete slab and beam forming system including first and second shoring towers that are adjustable in height and which can be adjusted to provide for concrete beams of different depths. The...
4778371 Apparatus for forming frogs in the sides of a concrete element  
An apparatus for forming frogs in the sides of a slipformed concrete element, especially a hollow-core slab is disclosed. In accordance with the invention, the frogs are formed in the sides of the...
4775313 Screed operating apparatus  
The apparatus comprises a first horizontal bar adapted to be coupled to a building column and a second horizontal bar is rotatably coupled to and beneath the first bar. A bracket which can be...
4773838 Slipforming extruder for casting concrete slabs  
A method and an apparatus for casting concrete elements from a concrete mix by slipforming molding which involves extruding the concrete mix onto a bed, generating pressure into the concrete mix by...
4769192 Pulsating slip form apparatus and method  
A method and apparatus for forming wet concrete employing a slip form having a radially expandable elastic outer shell comprising pouring concrete around the exterior surface of the outer shell and...
4761126 Traveling concrete casting mold  
A traveling mold for forming a pre-cast, box-like concrete structure has movable frame means for supporting the mold. Inner and outer wall forms of the traveling mold are movable, vertically and...
4741648 Offshore platform structure having at least a superstructure and a substructure made of reinforced concrete, and slipforming means for slipforming supporting columns of such structure  
Slipforming means intended for slipforming inclined, hollow columns of reinforced concrete, comprising a slipform platform (14) including the form work (28, 29), which is supported by and may be...
4678364 Tractor-drawn forming tool for making concrete slabs on the ground  
A forming tool made to be drawn by tractor-feeder means of any type. The tool comprises two arms mounted to pivot by their front ends on the tractor-feeder. At the back end of the arms is mounted a...
4660243 Method for erecting a bridge superstructure of prestressed concrete and launching girder for performing the same  
A method is described for the sectional erection of a superstructure of prestressed concrete for a bridge with a launching girder carrying the formwork for the superstructure and being movable from...
4608216 Method for the casting of hollow slabs out of concrete  
Method for the casting of hollow slabs out of concrete by slide-casting. Concrete mix is extruded onto a base (18) preferably by means of a conical screw spiral (2). Thereinafter the mix is...
4586889 Concrete-finishing machine  
A concrete-finishing machine has a drive horse, a slave horse, and a bridge-like truss selectively connectable to, or separable from, those horses at different levels so those horses can roll along...
4544346 Concrete screed with curb forming apparatus  
The present invention simultaneously finishes the surface of an area of plastic concrete and forms a curb along one or both sides of the area as the apparatus is translated along the length of the...
Matches 1 - 50 out of 196 1 2 3 4 >