E - Fixed Constructions – 04 – H
Patent
E - Fixed Constructions
04
H
E04H 15/20 (2006.01) E04H 1/12 (2006.01)
Patent
CA 2570532
A prefabricated shell for forming a shelter (14) has a groundsheet (30) and a cover (32) having a gas impermeable inner layer (24) and at least one outer layer. The outer layers are each formed by a layer of cloth that has been impregnated with a water-settable material, e.g. cement. The shell is steeped in water to wet the cement and then the cover is pneumatically inflated to form a space between the cover and the groundsheet. The shelter is then left until the cement has set and is able to support the cover. The shelter can easily be constructed to provide a durable shelter, especially in emergency areas.
L'invention concerne une enveloppe préfabriquée servant à former un refuge (14), comprenant une feuille de base (30) et un élément de recouvrement (32) qui comporte une couche interne imperméable aux gaz (24) et au moins une couche extérieure. Les couches extérieures sont respectivement formées par une couche de tissu qui a été imprégnée d'un matériau se figeant à l'eau tel que du ciment. L'enveloppe est plongée dans l'eau pour mouiller le ciment, puis l'élément de recouvrement est gonflé pneumatiquement pour former un espace entre l'élément de recouvrement et la feuille de base. Le refuge est ensuite laissé tel quel jusqu'à ce que le ciment se soit figé et puisse supporter l'élément de recouvrement. Le refuge selon l'invention peut facilement être construit pour durer, en particulier dans des zones de danger.
Brewin Peter
Crawford William
Borden Ladner Gervais Llp
Crawford Brewin Ltd
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