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The Quarterly Review ; March edition, 1825
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| Number | Title | Issue Date |
| 7255319 | Form frame for concrete footings having means to prevent relative movement between the form boards and the ground surface A square tubular steel frame extends between inner and outer concrete footing form walls and prevents the inner and outer form walls from bowing inwardly and causing an undesirable narrow footing width, or bowing outwardly and causing a form blowout. The steel frame... | 08/14/2007 |
| 7134248 | Pre-cast panel form insert The present invention is directed to a pre-cast panel form insert used in precast construction. The insert comprises a substantially planar portion defining dimensions suitable to complement dimensions of a pre-cast panel form and a fluid diverting portion. The flui... | 11/14/2006 |
| 6931806 | Concrete forming system and method A system and method for forming concrete structures, using foam panels as forms, supported by vertical tracks with horizontal bridge pieces inserted through the forms. The bridge pieces are in the form of triangular webs with coaxial rings for supporting vertical re... | 08/23/2005 |
| 5374466 | Former for use in the manufacture of fiberglass articles A former for supporting a layer of settable plastics material while it sets into hollow reinforcing ribs bonded to a laid up article of fibre reinforced plastics material during manufacture of said article, comprising a foraminous sheet (5) wherein the re... | 12/20/1994 |
| 4690368 | Apparatus for hollow concrete wall construction A spacer core for use in constructing hollow concrete walls by introducing the core between and spaced from a pair of vertical mold plates before casting the wet concrete, and subsequently removing the spacer core, the lower end of the spacer core includi... | 09/01/1987 |
| 4300746 | Apparatus and method for manufacturing concrete structural modules An apparatus and method for producing a plurality of substantially dimensionally identical concrete structural modules. The apparatus facilitates the manufacture of a plurality of low cost molds of high dimensional accuracy which will consequently produce... | 11/17/1981 |
