E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
E04B 1/80 (2006.01) B65D 90/02 (2006.01)
Patent
CA 2072968
2072968 9107554 PCTABS00005 An insulating panel (15) is disclosed having an outer, continuous membrane (22) supported by an internal rigid frame (33). The continuous membrane (22) encloses a vacuum space, and is made up of top (23) and bottom (26) membrane sections each having a plurality of biaxially curved, concave surfaces (30) which are loaded in tension when exposed to ambient atmospheric pressure. Between each biaxially curved, concave surface (30) is an arcuate path (99) which enables differential tension loadings on the adjacent biaxially curved, concave surfaces (30) to be offset. In this manner, resultant tension stress loadings on opposite panel surfaces may be offset, thereby reducing the structural requirements of the internal rigid frame (33). In another embodiment, an expansion joint means (50) is manufactured along the top (23) or bottom (26) membrane sections which enable the sections to maintain their tension stress loadings while undergoing thermal contraction or expansion. In other embodiments, corner (60) and container (80) shapes also disclosed herein comprising a plurality of panels (15) joined together.
Bull Housser & Tupper
Mcallister Ian Ross
LandOfFree
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