CA2174199CCA 2174199CA2174199ACA2174199CCA 2174199 CCA2174199 CCA 2174199CCA 2174199 CA2174199 CA 2174199CA 2174199 ACA2174199 ACA 2174199ACA 2174199 CCA2174199 CCA 2174199C
Authority
CA
Canada
Prior art keywords
core
bubbles
gypsum
door
water
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
URSATECH LTD.
Original Assignee
J. O. BERNT & ASSOCIATES LIMITED
Pyrophobic Systems Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/457,137external-prioritypatent/US5558707A/en
Application filed by J. O. BERNT & ASSOCIATES LIMITED, Pyrophobic Systems LtdfiledCriticalJ. O. BERNT & ASSOCIATES LIMITED
Publication of CA2174199A1publicationCriticalpatent/CA2174199A1/fr
Application grantedgrantedCritical
Publication of CA2174199CpublicationCriticalpatent/CA2174199C/fr
Corps moulés ou plaques stables constitués d'un matériau léger servant d'isolation thermique et destinés à être utilisés comme protection contre l'incendie, procédé de fabrication et utilisation desdits corps moulé ou des plaques, et ouvrage équipé desdits corps ou plaques
Mélange coulant à base d'eau, de matière de remplissage et de liants ainsi que son application pour moulage et fonte de ces éléments de construction isolants et un élément de construction en forme de plaque, de bloc ou de panneau