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| Number | Title | Issue Date |
| 6318700 | Anti-frost concrete mould An anti-frost concrete mold having an upper frustoconical portion, a transitional shoulder portion and a lower drum portion. The top portion of the mold is adjustable in height. The mold is fabricated simply by molding it over a die. The mold is fabricate... | 11/20/2001 |
| 5851564 | Apparatus for forming a hollow structural profile An apparatus for making a lightweight, thin wall, seamless, hollow structural profile using a simple mold. The apparatus includes a base for supporting a mandril and a two piece outer form which bolts together assembled. A mixture is poured or injected in... | 12/22/1998 |
| 5580480 | Form for making fence posts in situ A form for making a concrete fence post supported by the ground is disclosed. The form has two elongated halves which are hinged together and clamped along one edge. The form is supported over a post hole and concrete is poured into the form. Reinforcing ... | 12/03/1996 |
| 5169585 | Method and device for fabricating posts made of concrete or the like with polygonal cross section A method and device for fabricating posts made of concrete having a polygonal cross-section includes the steps of providing and opening an integral liner, applying backing panels to the liner, holding the panels together with a hooping means, and pouring ... | 12/08/1992 |
| 4624439 | Apparatus for manufacturing concrete posts A base is provided including first, second and third adjoining marginal portions and a first stationary upstanding wall is fixedly secured to and projects upwardly from one of the marginal portions. Second and third upstanding walls are provided and pivot... | 11/25/1986 |
| 4496511 | Method of molding stone faced pillars and the like A method of molding stone-faced pillars comprising attaching stone pieces onto a wooden base, covering the surface of said base, not covered by the stone pieces, with Plaster-of-Paris, spraying numerous coatings of latex rubber on the entire base and ston... | 01/29/1985 |
| 4178338 | Method of casting thin-walled, hollow concrete posts In a method of casting in a horizontal mould a hollow, reinforced tapering concrete post having a thin wall and particularly a length exceeding 10 to 15 m, there is placed in the mould a tapering reinforcing cage or basket in which a core, e.g. a steel co... | 12/11/1979 |
