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US 4,787,188 AGranted
Stress plate and method of using same for securing a roof membrane to a roof deck
AssigneeEngineered Construction Components
InventorColin R. Murphy
Life of this patent
Estimating the term…
Abstract
A stress plate and method for securing a membrane to a roof deck wherein the plate includes gripping prongs which grip the membrane, preferably without piercing the membrane, wherein a stress plate surface having the gripping prongs is placed in contact with a top surface of a roof membrane to clamp the membrane to a roof structure.
Claims23
In a roof including a roof membrane, the improvement comprising:
- a stress plate having a top surface and a bottom surface, said plate including an opening for receiving a fastening means for securing the stress plate to a roof, said bottom surface being in contact with a roof membrane portion which is in contact with the roof, said stress plate having at least three spaced prongs extending outwardly from the bottom surface of said plate, said at least three spaced prongs being unitary with said plate;
- and fastening means received in said opening and secured to the roof, said prongs gripping the top surface of said membrane portion which is in contact with the roof, said stress plate clamping the membrane between the bottom surface of the stress plate and the roof.
A method of securing a roof membrane, to a roof comprising:
- placing a stress plate having at least three spaced prongs on a bottom surface thereof with the bottom surface in contact with a top surface of a roof membrane portion which is in contact with a roof, said at least three spaced prongs being unitary with said plate;
- and
- clamping said roof membrane between said bottom surface of the stress plate and the roof by securing to a roof a fastening means positioned in an opening in the stress plate, said clamping providing gripping contact between said prongs and a top surface of said membrane portion which is in contact with the roof.
Dependencies are inferred from the claim text.