Closure caps for composite doors

Claim 1

A CLOSURE CAP FOR A COMPOSITE DOOR OF THE TYPE HAVING A PAIR OF PANELS DISPOSED IN TRANSVERSELY SPACED RELATIONSHIP, THE COMPOSITE DOOR INCLUDING A REINFORCING CHANNEL DISPOSED ALONG A MARGINAL EDGE PORTION THEREOF, SAID REINFORCING CHANNEL HAVING A WEB AND HAVING A PAIR OF SPACED LIMBS PROJECTING OUTWARDLY FROM THE WEB AND PROVIDING AN OPEN FACE HAVING OPPOSED INNER SURFACES, THE OUTER EDGES OF SAID LIMBS BEING SPACED INWARDLY RELATIVE TO THE OUTER EDGES OF SAID PANELS, SAID LIMBS BEING SECURED TO SAID PANELS TO HOLD THE SAME IN SPACED RELATIONSHIP, SAID CLOSURE CAP COMPRISING: A GENERALLY CHANNEL-SHAPED STRIP FORMED OF MATERIAL WHICH IS RELATIVELY RIGID LONGITUDINALLY AND RESILIENT TRANSVERSELY; SAID CHANNEL-SHAPED STRIP HAVING A NORMALLY CONCAVE WEB AND A PAIR OF NORMALLY DIVERGING LIMBS PROJECTING OUTWARDLY FROM SAID WEB SUBSTANTIALLY AT RIGHT ANGLES TO THE PLANE OF WEB; A MARGINAL FLANGE PROJECTING OUTWARDLY BEYOND SAID LIMBS ALONG OPPOSITE SIDES OF THE CLOSURE CAP AND BEING DISPOSED IN THE PLANE OF SAID WEB; EACH OF SAID MARGINAL FLANGES INCLUDING AN INSET PORTION COEXTENSIVE THEREWITH AND DELINEATING AN OUTWARDLY