|
Match
|
Document |
Document Title |
|
|
8096730 |
Apparatus for laying concrete metal pipes inverts and method for using the same
An apparatus and method for repairing failed metal pipe inverts includes an apparatus for distributing concrete that is positioned at one entrance of the metal pipe invert. The apparatus includes a...
|
|
|
7976193 |
Pliable combined supports for decorative lighting
A pliable combined support for decorative lighting comprises a receiver light mount having a light retaining notch and an insert light mount having a light retaining notch. The receiver light...
|
|
|
7947349 |
Moulded piece for a shaft bottom
In order to save material and/or for an easy assembly in a mould bottom of a bottom mould, a moulded piece forming a negative mould of at least a part of a chute of a shaft bottom which moulded...
|
|
|
7736092 |
Trench drain with sloping rails
A modular trench drain system with sloping overlay rails. A non-sloping section of trench drain is transformed into a sloping trench drain by installing sloping overlay rails. The overlay rails...
|
|
|
7703502 |
Method of fabricating a longitudinal frame member of a trench-forming assembly
An assembly is provided for forming a trench of a predetermined shape. The trench-forming assembly includes a removable longitudinal form body, a pair of frame members and at least one mounting...
|
|
|
7704066 |
Heat insulating stamper structure
A heat insulating stamper is disclosed. The heat insulating stamper includes an uppermost section made of a metal material, a lowermost section made of the same material as the uppermost section,...
|
|
|
7632042 |
Method, apparatus and system for forming drainage and trench forming systems
An alignment device is disclosed use in maintaining the alignment of longitudinal frame members of a trench-forming assembly. The alignment device comprises a cross member. Extending in the same...
|
|
|
7172368 |
Assembly and method of forming a trench of a predetermined shape
An assembly is provided for forming a trench of a predetermined shape. The trench-forming assembly includes a removable longitudinal form body, a pair of frame members and at least one mounting...
|
|
|
7059806 |
Hole former for an invert
A hole former for a manhole with an invert, which aligns the hole with the invert such that pipes are properly aligned and will not leak or cause damming when connected to the manhole. The hole...
|
|
|
6926245 |
Mounting bracket assembly for connecting frame members of a trench-forming assembly and associated method of fabricating frame members
An assembly is provided for forming a trench of a predetermined shape. The trench-forming assembly includes a removable longitudinal form body, a pair of frame members and at least one mounting...
|
|
|
6808156 |
Method and apparatus for molding concrete into a bridge or other structure
A method and mold assembly for forming concrete or another moldable composition. A plurality of elongate elements, such as PVC pipes, are stacked in rows in gravity-stable arrangement to form a...
|
|
|
6769662 |
Form and method for casting a monolithic precast safety end
A precast safety end for use with culverts on highway, driveway, and road drainage crossings has a base having a depending flange at its outer end and an upright wall at its inner end, and opening...
|
|
|
6619885 |
Telescopic tunnel form
The invention relates to a tunnel form comprising: two vertical forming walls (2) joined by a horizontal wall (3) in two parts (3A), and at the base of the form, means for adjusting the height of...
|
|
|
6601347 |
Method for manufacturing a ready-to-use catch pit
A method for making a catch-pit, such as the catch-pits often associated with underground pipeline junctions, manholes, or the like, where it is desirable to join a horizontal pipe with a...
|
|
|
6347781 |
Concrete hole former with embedded gasket
A hole former assembly used to form a reusable hole former assembly used during the construction of a manhole base. The hole former assembly of the present invention aligns the center of the formed...
|
|
|
6220784 |
Method and apparatus for forming a trench
An apparatus for forming a trench which is adapted to receive at least one grate that will cover the trench. The apparatus comprises first and second frame rails that are connected by at least one...
|
|
|
6082671 |
Entomopter and method for using same
The present invention is an apparatus and method for a multimodal electromechanical insect known as an entomopter. The entomopter is a species of micro air vehicle (MAV), which is defined as a...
|
|
|
6045114 |
Elongated, curved framework with a variable degree of curvature
An elongated, curved framework with a variable degree of curvature. The framework comprises plural link members, joint units connecting the link members together, and elements for bending the link...
|
|
|
5882145 |
Method for controlling expansion and contraction of trench liners
A trench liner system used for forming a single or a dual containment trench where expansion and contraction of the liner is controlled. For single containment, the trench system has a primary...
|
|
|
5879106 |
Method and apparatus for controlling expansion and contraction of trench lines having lateral extensions
A trench liner system used for forming a single or a dual containment trench where expansion and contraction of the liner is controlled. For single containment, the trench system has a primary...
|
|
|
5806829 |
Concrete hole former
A hole former for use in forming a concrete wall section having a hole extending therethrough. The concrete wall section is fabricated in a cavity that is defined by a first and a second form. The...
|
|
|
5573350 |
Method for cutting complexly shaped foamed plastic bodies from a workpiece and foam body products
A method for cutting first and second complementary foamed plastic bodies of a predetermined shape from a single workpiece includes the step of moving a linear cutting element through the...
|
|
|
5573351 |
Method and apparatus for relining or forming a trench
A trench liner system used for lining a single containment trench and for forming a dual containment trench from a single containment trench comprising a primary liner means within the trench...
|
|
|
5538361 |
Apparatus for forming a trench
A system for forming a single-walled trench comprising a pair of frame members, each having a horizontal section and a section depending from the horizontal section; a collapsing pair of wall pans...
|
|
|
5478169 |
Method and apparatus for forming a trench
A trench forming assembly and removable form for forming a trench of predetermined shape is disclosed according to the present invention. The removable form includes an elongate form body having...
|
|
|
5413307 |
Precast manhole invert forming
A mold for casting an inverted base section of a manhole includes a core for forming an inner surface of the base section, and a jacket surrounding the core for forming an outer surface of the base...
|
|
|
5301918 |
Form assembly for construction of concrete culverts
A system for constructing concrete culverts is disclosed wherein reusable outer form and rebar supporting assemblies are set in place in an excavation and are used to form outer portions of the...
|
|
|
5281052 |
Multi-containment trench system
A system for forming a multi-walled trench comprising an outer wall, an inner wall disposed within the outer wall and along which the fluid to be contained flows, means for securing in position the...
|
|
|
5198246 |
Concrete molding device
A concrete molding device is provided for settling poured concrete. In a preferred embodiment, the form is composed of a plurality of segments stacked one upon the other, each having at least one...
|
|
|
5125617 |
Adjustable radius walers for forming
Forms for a cylindrical wall of poured concrete are made of plywood sheets nailed to horizontally-spaced beams, to which are clamped transversely arranged walers. The walers are assembled in...
|
|
|
5108671 |
Concrete formwork and method for forming a draft tube
A formwork for a draft tube which includes ganged precast forms, each precast form corresponding to a curved segment of the draft tube. The precast forms are molded with continuous side plates...
|
|
|
5099887 |
Drain collar
A collar for a drain pipe riser is provided for maintaining an annular space about the periphery of the riser during the pouring of a floor about the riser. The collar includes inner and outer...
|
|
|
5017313 |
Method and means for repairing existing manhole
A form assembly for casting a lining wall in an existing manhole includes a cylindrical lower form assembly, a circular horizontal form assembly, and a cylindrical upper form assembly. All three...
|
|
|
4995584 |
Cast-in-place manhole liner apparatus
Apparatus for casting poured concrete liners in manholes or the like wherein a collection of sheet-metal, flanged, arcuate panels is provided which panels can be assembled in belts of generally...
|
|
|
4969626 |
Adjustable form for casting concrete culverts
An adjustable culvert form facilitates fabrication of rectilinear culverts and skewed culverts that is, culverts having an angular relationship between sidewalls and span. It is particularly useful...
|
|
|
4953280 |
Method of manufacturing prestressed concrete culverts
A method of manufacturing a three-sided culvert includes prestressing tendons in the culvert form. A series of prestressing tendons are secured within a form adapted for casting a concrete culvert...
|
|
|
4930937 |
Box culvert traveler for use with concrete forming systems
A traveling culvert/tunnel forming structure including upright waler assemblies positioned in transversely spaced relation on each side of said forming structure, the waler assemblies being adapted...
|
|
|
4913587 |
Form assembly for making covering wall of tunnel made by shield type excavator
A form structure for making a primary concrete covering wall on the surface of the wall of a tunnel which extends behind a shield type tunnel excavator advanced, wherein a form structure for...
|
|
|
4892441 |
Apparatus and a method for distributing concrete and similar materials to selected points of use
This invention is both an apparatus and a method for distributing concrete coming from a concrete pump to anyone of a plurality of points of use. An intermediate conduit is connected with a main...
|
|
|
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...
|
|
|
4867411 |
Manhole invert casting system
A plurality of invert forming mold members are bolted together and have their ends received in internal frames provided at adjacent pipe openings in a manhole. The mold members are formed of...
|
|
|
4854543 |
Apparatus for forming an opening with a gasket in a masonry manhole
An assembly is provided for installing a resilient gasket having a projecting, pipe-engaging portion and an anchoring portion fixed in the peripheral wall of a circular opening in a masonry manhole...
|
|
|
4844655 |
Surface drainage conduit installation structure and method
Structure and a method for installation of drain conduit whereby the drain conduit is positioned at a proper elevation with respect to an adjacent surface in a floor or parking lot or the like. The...
|
|
|
4826639 |
Moulding process and apparatus for making arch-shaped concrete structures
An apparatus for moulding prefabricated curved concrete sections for use in the construction of arched or vaulted structures comprises a curved, upwardly convex mould made up of a series of...
|
|
|
4799824 |
Method of making covering wall of tunnel made by shield type excavator
A method of making a primary concrete covering wall on the surface of the wall of a tunnel which extends behind a shield type tunnel excavator. A form structure for casting concrete to make the...
|
|
|
4790508 |
Concrete casting form including retractable core
A core form is disclosed for casting a structurally reinforced concrete structure for use on a slab with an outer container form having rigid walls extending vertically comprising a casting core...
|
|
|
4650149 |
Mold assembly for installing a gasket in the peripheral wall of an opening in a wall
There is disclosed a mold assembly for casting a concrete wall having an opening and for anchoring a flexible resilient ring-like gasket in the peripheral wall of said opening to make a seal with a...
|
|
|
4615644 |
Prestressed tunnel lining
The invention provides a tunnel lining and a method of constructing the tunnel lining by aligning prestressed resilient lining panels of uniform thickness, such as plywood sheets, where...
|
|
|
4614324 |
Mold for producing concrete pipe
A mold is provided for use in the production of concrete pipe sections. The mold has an inner mold part including an arch-shaped mold member; a pair of substantially L-shaped side mold members each...
|
|
|
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...
|