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Vittorio De Zen: Thermoplastic structural system and components therefor and method of making same. Royal Building Systems, January 13, 1998: US05706620 (83 worldwide citation)

The invention is for a thermoplastic structural system, structural components therefor, and method of producing same in which the structural components are extruded from a thermoplastic material containing a reinforcing constituent flowable through an extrusion die, the structural components being c ...


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Vittorio De Zen: Thermoplastic structural components and structures formed therefrom. Royal Building Systems, March 24, 1998: US05729944 (49 worldwide citation)

Thermoplastic structural components utilized within building construction as permanent formwork. The components formed with openings along a length which serve to allow concrete to flow from one form to adjacent forms. Thus, filling the components forming a surrounding wall of a building. The openin ...


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Vittorio De Zen: Thermoplastic wall forming member with wiring channel. Royal Building Systems, February 20, 2001: US06189269 (47 worldwide citation)

A thermoplastic wall forming member is provided with rails for securing a wiring channel interiorly of a hollow structure to be formed by the wall forming member and other wall forming members.


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Vittorio De Zen: Molded cladding for building structures. Royal Building Systems, June 10, 1997: US05636481 (37 worldwide citation)

A molded cladded panel comprises on the underside thereof a bearing surface formation for bearing on an underlying support surface and latches for latching the panel to an underlying support surface, the panel having a profile configured to provide a desired appearance rising above the bearing surfa ...


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Vittorio De Zen: Fire rated modular building system. Royal Building Systems, September 21, 1999: US05953880 (35 worldwide citation)

Extruded hollow thermoplastic structural components of rectilinear cross section formed for interlocking assembly with mating components for use in erecting a modular building characterized in that said components are extruded from PVC material which includes a smoke retarding agent which is covered ...


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Vittorio De Zen: Insulated wall and components therefor. Royal Building Systems, April 10, 2001: US06212845 (35 worldwide citation)

A novel insulated wall structure is formed with upright hollow thermoplastic extrusions connected together in a row, with the extrusions presenting a row of compartments (


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Vittorio De Zen: Vacuum sizing device. Rogers Bereskin & Parr, August 30, 1983: US04401424 (20 worldwide citation)

The disclosure relates to a vacuum sizing device for cooling and sizing plastic extrusions immediately downstream of the extrusion die. The device includes a plurality of pairs of upper and lower sizing elements which are clamped between upper and lower backing members. The elements are shaped to de ...


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Vittorio De Zen: Housing system with structural cored hollow components. November 2, 1999: US05974751 (9 worldwide citation)

Elongated extruded thermoplastic hollows structural components of rectilinear cross section formed for interlocking assembly for use in erecting a modular building on a supporting base, characterized in that each said component being a coextraction of a substrate including reprocessed plastic materi ...


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