Patent ID: 7849636

Claim:
A periodically shieldable solar structure comprising an inner membrane and an outer membrane defining therebetween an internal cavity, a foam generating system for selectively filling said internal cavity with degradable foam, said inner and outer membranes being united along a lower end thereof by a first gutter interposed between the inner and outer membranes and defining a top open-ended channel for receiving and channeling the liquid resulting from foam degradation, the first gutter having a mounting flange mounted to a second gutter provided at a lower end of a slope defined by the outer membrane for collecting and carrying off rain water flowing over the outer membrane, the first gutter further having first and second side walls provided with respective sheet holding means for respectively fixedly anchoring said inner and outer membranes to said first and second side walls of said gutter, said first and second side walls having an inner face forming part of a boundary wall of the channel receiving the liquid resulting from foam degradation, the sheet holding means of the first side wall being provided on said inner face, the sheet holding means of the second side wall being provided in an outer face thereof opposite to said inner face.