Permanent weather covers

E - Fixed Constructions – 04 – B

Patent

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Details

72/63, 20/5.1

E04B 1/32 (2006.01) E04B 1/19 (2006.01) E04B 7/10 (2006.01)

Patent

CA 1125982

ABSTRACT A method of forming a domed space frame comprising the steps of: (a) taking a plurality of elements, at least some of which are extensible each including arresting means to prevent a reduction in the length of the extensible elements to less than a predetermined extended length (b) assembling the elements into a substantially planar grid, having a predetermined peripheral size and shape, by means of pivotal connections at the extremities of the elements (c) anchoring elements of the grid at the grid periphery at spaced locations in a manner permitting the grid at the anchoring points to pivot relative to the anchorages (d) creating a superimposition of an inflatable membrane and the grid (e) inflating the membrane until all of the extensible members have been extended to at least the predetermined length and (f) releasing the inflation pressure from the membrane.

328748

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