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7748926 |
Utilities access closure
A concrete lid for an in-ground utilities box includes a plastic reinforcement structure filled with concrete. The plastic reinforcement structure includes one or more plastic sidewalls that...
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7303361 |
Concrete form with keyway and clamp with base engaging the keyway
A concrete form with a keyway with an opening between opposing keyway lips together with a base that fits through the keyway opening and rotates without restriction in the keyway such that a...
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6688072 |
Cover for riser section and method of using cover for anchoring riser section in concrete
A riser section and cover is disclosed. The riser section has a smooth cylindrical sidewall surface, a tapered end and a channel end, a removable anchor tab and bosses and ribs on the inside of the...
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6668511 |
Formwork for pillars
It is constituted by several plates (1), provided in its outer side (4) with transverse ribs (5), formed by C-shaped profiles and joined together to form a prismatic contour (7), closed by the...
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6153130 |
Method of installing a form in a foundry furnace
A spacing tool to be inserted between a form and a foundry furnace during installation of the form in the foundry furnace comprises a first longitudinally extending member to contact the foundry...
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5598676 |
Hearth form for pour-forming a fireplace hearth
A hearth form is utilized for pour-forming a fireplace hearth in the absence of eventual removal thereof from an opening established by floor joists and a conventional concrete masonry unit. The...
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5492303 |
Formwork for surfaces varying in curvature
Formwork for surfaces varying in curvature has a face sheet adjustable with respect to its curvature, girders supporting the face sheet and applied to the girders, in spaced relationship to the...
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5332191 |
Apparatus for making concrete slabs
Adjustable forms for pouring precast concrete slabs and similar articles of manufacture. The forms may be used either on site to produce concrete slabs as needed, or at a central manufacturing...
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4931235 |
Method for making steel/concrete tanks
A method for making a steel/concrete tank is provided. A steel interior tank is pressurized during or after pouring of a concrete outer tank around a steel inner tank. Pressurization is commenced...
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4921372 |
Sidewalk scribing tool
A tool for scribing lines in soft concrete in which the line can be impressed by a standing operator. Guides are provided on the tool to assure a proper angle of the scribed line. A grooving tool...
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4909474 |
Apparatus for locating operational surfaces on a track for electromagnetically levitated vehicles
On a track for electromagnetically levitated vehicles, side guide rails are positioned on and secured to a beam-like support member forming the track by an apparatus made up of a transportation...
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4729540 |
Grout retaining tool
A tool which can be used to temporarily close cleanout holes in masonry construction and which can be securely anchored directly to the masonry wall.The present invention is essentially comprised...
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4610566 |
Curb inlet with removable gutter form
A curb inlet having a removable non-concrete gutter form, which is an arcuate, generally rectangular strip having a concave front face and a convex rear face with a plurality of handles secured to...
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4321024 |
Formwork apparatus for casting directly on the ground accurate concrete slabs
Metal supports (1), are provided to rest on the ground and to removably support metal forms (2). These supports are provided with screw (4) and nut (9) means used for accurately adjusting in...
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4222197 |
Garden curbing and method of forming same
Disclosed herein is a method and apparatus for forming borders and the like around garden areas, the apparatus comprising cardboard sheets having scribed thereon three bending folds, each bending...
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3930633 |
Formwork and connecting means for forming annular structures
A plurality of formwork elements are provided, each of which is curved according to an arc of a circle and which are assembled to form an inner formwork wall and an outer formwork wall. Each of...
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3897182 |
Slip form apparatus for constructing circular structures
A mold arrangement for pouring an upright, cylindrical concrete wall essentially consists of a central supporting column, a circumferential mold, a carrier assembly vertically slidable on the...
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3893304 |
Method and a device for the underwater construction of concrete structures
A flexible and leak-tight jacket having an internal space which corresponds to the casting space of the underwater structure is placed in position at the construction site, at least part of the...
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3871612 |
Cylindrical core assembly for silo construction
Novel inner mold sections, for making inner mold forms are provided, that enable construction of silos without platforms as such inside the inner mold forms, by utilizing tension members that hold...
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3847339 |
APPARATUS FOR INSTALLING MANHOLE RINGS
An elongated rectangular frame supported on top of roadway pavement extends over an opening encompassing a manhole. The bottom of the frame is in face to face engagement with the top surface of a...
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3831897 |
SKIMMER THROAT ENTRANCE FORM
A reusable skimmer throat entrance form to provide an inlet opening in an upwardly extending wall of a swimming pool to enable surface water from a filled pool to enter a surface skimmer through...
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3782052 |
APPARATUS AND METHOD FOR BUILDING CONSTRUCTION
A plurality of modular wall units are constructed on a base area within a temporary shelter removably positioned on the base area. The temporary shelter is then moved from the base area. With the...
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3780975 |
MEANS FOR PRODUCING CAST-IN-PLACE STRUCTURES IN SITU
Laminated sheet material, and apparatus utilizing the same, for producing and/or repairing structural bodies of self-hardening fluid cementitious material in a sub-aqueous and/or subterranian...
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3729165 |
FORM FOR MANHOLES AND THE LIKE
A steel sectional form including inner and outer shells, each formed of components which can be readily assembled for reception of a concrete pour and subsequently disassembled for reuse. The inner...
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3726950 |
METHOD FOR PRODUCING SUB-AQUEOUS AND OTHER CAST-IN-PLACE CONCRETE STRUCTURES IN SITU
Method for repairing or forming structural bodies of self-hardening fluid cement mortar, in a sub-aqueous or other situs, utilizing body-forming cavity including body-shaping walls of porous fabric...
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3721418 |
NATURAL ICE RINK MOULD
A "one-shot" mould for forming natural ice rinks is provided. It includes a pair of sheets of synthetic thermoplastic material, e.g. polyethylene, whose peripheral edges are sealed together. The...
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3708146 |
MEANS FOR ENCASING RIGID MEMBERS WITH CONCRETE
A flexible sleeve of a larger circumference than the member to be encased is fastened at its lower end tightly around the member. The upper end of the sleeve has a rigid hoop of a circumference...
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3679168 |
CLAMPING DEVICE
A clamping device is provided, that is specifically designed for clamping together plates or other members that have flanges connected thereto and bent out of the planes of the plates, with the...
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3676536 |
SYSTEM FOR PRODUCING MODULAR BUILDING BLOCKS
The disclosure sets forth a system for prefabricating modular boxlike units of concrete, in which the upper slab or top slab is poured together with the walls and then subsequently is lifted and...
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3510098 |
SLIP FORM APPARATUS
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3436051 |
FORM FOR CONCRETE STRUCTURES AND PARTICULARLY CONCRETE CATCH BASIN UNITS
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3401912 |
Form assembly for erecting concrete spans
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3397260 |
Method for encasing rigid members with concrete
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3363873 |
Shuttering means and apparatus for the casting of underwater structures
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3355897 |
Method and apparatus for monolithic casting of swimming pools or tanks
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3338058 |
Adjustable composite form
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3313515 |
Skimmer cavity casting apparatus with means for holding plumbing conduit
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3206823 |
Means for producing swimming pools
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3205898 |
Method and apparatus for storing plant materials
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3159898 |
Removable form for concrete jacket
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3077645 |
Concrete form and bracket therefor
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3012299 |
Open hearth tap hole repairing form
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2932964 |
Tank construction
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2917804 |
Apparatus for forming a liquid conveyor duct
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