Stock material or miscellaneous articles – Structurally defined web or sheet – Superposed movable attached layers or components
Patent
1975-02-28
1976-12-07
Cannon, J.C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Superposed movable attached layers or components
428141, 428198, 428246, 428250, 428251, 428337, 428489, D06N 500, D06M 714, D06M 1104, E04D 128
Patent
active
039964019
ABSTRACT:
This invention relates to a flat roofing.
The flat roofing comprises: a lower support able to be submitted in use to deformations, an upper sealant covering, a disengagement sheet made of an elastic flexible and deformable material and arranged between said lower support and said sealant covering, lower adhesion zones connecting said disengagement sheet with the lower adjacent element of the roofing, in particular with said lower support, said lower adhesion zones being able to undergo horizontal relative displacements dependant on the deformations of said lower support, upper adhesion zones connecting said disengagement sheet with the upper adjacent element of the roofing, in particular with said upper sealant covering, and alternating with respect to said lower adhesion zones, and means for maintaining horizontally immobile said upper adhesion zones to one another.
In said flat roofing the deformations of said under support have no effect on the said upper sealant covering.
REFERENCES:
patent: 1376215 (1921-04-01), Millard
patent: 1788121 (1931-01-01), Overbury
patent: 2771824 (1956-11-01), Patch et al.
patent: 3053716 (1962-09-01), Finan
patent: 3180783 (1965-04-01), Walker et al.
patent: 3655502 (1972-04-01), Yoshikawa
Cannon J.C.
Compagnie Generale des Asphaltes-Asphaltoc-S.A.
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