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Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 7267788 | Cavity-creating tool for foaming operation A tool creates a fastener-receiving cavity within a foam-filled structure that includes a panel with a slot for receiving the fastener and foam backing that is cast in place against on the underside of the panel. The tool includes a clip and a plunger. The clip is i... | 09/11/2007 |
| 7252123 | Method, apparatus and system for filling and using bags for grout and similar materials A grout bag housing support in the shape of cylinder has an upper open end and a lower open end, with a sidewall having passageways at the lower end through which water may drain during the grout bag filling operation. A securing collar is dimensioned to fit in the ... | 08/07/2007 |
| 7121520 | Pre-cast concrete panels for construction of a building A formwork for precast concrete panel comprises of a quadrangle panel with a base and four side panels. The formwork (10) comprises of a base (14), which is provided with an island region (20) and/or a mound region (22), a pair of paralle... | 10/17/2006 |
| 7011782 | Lid support and forming system for pool cover box A system includes a support for a pool cover box lid comprising an elongated mounting element extending along at least one wall of the pool cover box, and a plurality of bracket assemblies, each connecting to the mounting element at multiple positions along the moun... | 03/14/2006 |
| 6808667 | Form liner method A contoured wall and method is disclosed for creating the contour and appearance of a wall formed from individual assembled units such as stones. The wall is formed from a plurality of mating form liners each having a reciprocal contoured surface to that of the desi... | 10/26/2004 |
| 6698707 | Mould for producing reverse building modules A mould for producing reverse building modules includes a lower horizontal bottom from which longitudinal walls and cross walls are emerging. The cross walls are provided with protrusions inside which respective bars are arranged where the ends of longitu... | 03/02/2004 |
| 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 location, for transport to the site where needed. Concrete sla... | 07/26/1994 |
| 5259586 | Mold insert for forming precast concrete modules A mold insert adapted to be inserted as a base plate in a forming apparatus for molding precast concrete modules, for the purpose of forming a sloped rabbet in the wall sills of the concrete module. The insert is shaped such that when inserted in one orie... | 11/09/1993 |
| 5232646 | Methods of forming contoured walls The present invention is a contoured wall and method for creating the contour and appearance of a wall formed from individual assembled units such as stones. The wall is formed from a plurality of interlocking wall portions that each have at least two non... | 08/03/1993 |
| 5225134 | Methods of forming contoured walls The present invention is a contoured wall and method for creating the contour and appearance of a wall formed from individual assembled units such as stones. The wall is formed from a plurality of mating form liners each having a reciprocal contoured surf... | 07/06/1993 |
| 5205943 | Apparatus for manufacture of precast concrete building units A U-shaped, half-room precast concrete building unit is molded in an open box-like framework having four L-shaped corner assemblies, facing pairs of horizontal legs of which are respectively joined by laterally-extending telescoping spacers, and facing pa... | 04/27/1993 |
| 5123784 | Method of sealing construction joint in top-down construction method A method of sealing a concrete joint formed between a pair of concrete castings by creating an injection hole wherein a removable frame member can be attached to the bottom surface of the first concrete casting so as to form obtuse angles with the concret... | 06/23/1992 |
| 4832309 | Moulding pallet A moulding pallet for moulding building blocks with interlocking surfaces comprises a metal sheet bent to form parallel ridges and valleys, with transverse sheet metal channels inserted through openings in the ridge sides forming transverse secondary ridg... | 05/23/1989 |
| 4784821 | Method for manufacturing a building block imitating a pile of dry stones A method of manufacturing a building block which imitates a pile of dry stones. According to the method, the stones (10) are placed side-by-side on the bottom of a mold whose inside shape corresponds to the desired block shape, said bottom being constitut... | 11/15/1988 |
| 4695031 | Gang form A gang form in which a single or a plurality of precast concrete beams will be molded at one time, the gang form comprising a first and two second vertical walls, the first wall being a straight wall, the two second walls spaced apart one from another ext... | 09/22/1987 |
| 4668462 | Adjustable mold for concrete median barrier An adjustable mold for casting asymmetric concrete highway divider sections includes a fixed sidewall, a movable sidewall, and two end walls. Each of the end walls is divided vertically into a first fixed panel and a second adjustable panel. The old can b... | 05/26/1987 |
| 4556190 | Mold for grommet mounted connector Fabricating techniques for forming insulated electrical connectors of the type to be subsequently mounted in panel apertures including techniques for simplifying the mold required to form such connectors and improvements in the connector itself and the ma... | 12/03/1985 |
| 4355781 | Kit for assembling geodesic structure A kit for assembling a geodesic structure is disclosed as including a plurality of polygonal panels (12) preferably of triangular shapes so as to be assembled to define a sphere (10). Each panel is of a unitary construction molded from plastic and include... | 10/26/1982 |
| 4349174 | Injection mold apparatus for containers of plastics material A container (1) is provided with a cover (2) which has a guarantee strip (4) which can be divided along a design tearing line. In this arrangement, the guarantee strip (4) engages under a holding bead (9) and at the same time is protected from unauthorize... | 09/14/1982 |
| 4297153 | Method and apparatus for making doll clothing and doll house accessories A method and apparatus for making doll clothing and doll house accessories includes a plurality of mold shapes or forms which are used to produce various articles of attire such as dresses, pants, and doll house furnishings such as cushions, curtains, rug... | 10/27/1981 |
| 4159100 | Forms for pre-cast concrete panels Disclosed herein is a concrete form assembly for pre-casting concrete walls which includes a three-piece base plate, side rails and headers which interfit between the side rails and can be adjusted to any spacing for different length and width concrete wa... | 06/26/1979 |
| 4117071 | Concrete tanks with interlocking bottom The method of forming hollow concrete articles such as tanks which are cast in a mould around reinforcing metal, the mould being shaped to form a bottom and including an upstanding integral ridge which forms a mould for the inner lower portions of a wall ... | 09/26/1978 |
| 4087072 | Form means for fabricating pre-cast structural panels A method and associated form assembly for forming pre-cast structural panels includes the steps of and associated apparatus for constructing an open-top disassemblable form box, reinforcing the form box with a collar assembly affixed around the form box f... | 05/02/1978 |