The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 11, 1997
Filed:
Oct. 01, 1993
Michael W Symons, Pretoria, ZA;
Tower Technologies (Proprietary) Limited, Transvall, ZA;
Abstract
A building component includes a core formed from one or more sheets or elements of a natural fibre material, each sheet or element having been impregnated with a liquid composition including a thermosetting resin, an extending liquid for the thermosetting resin and a catalyst for the thermosetting resin, the thermosetting resin having been polymerized, and an encapsulating layer, from 1 mm to 20 mm thick, encapsulating the core and formed from a composition including from 10% to 80% inclusive by weight of the composition of a hydraulic binder, from 6% to 60% inclusive by weight of the hydraulic binder of a water soluble, dispersible or miscible polymer, and water in an amount sufficient to rehydrate the hydraulic binder, the composition having hardened to form the encapsulating layer.