Patent ID: 9133621
Filing Date: 2015-09-15
Classification: E04D

Abstract:
1. A universal inside corner patch made from a single piece of membrane material, the corner patch comprising: a body having a center portion and a perimeter; an angular cutout in the body extending from a first relatively wider end at the perimeter of the body to a second relatively narrower end adjacent the center portion of the body, the second relatively narrower end being located closer to the center portion of the body than to the perimeter of the body; a relief cut extending from the center portion of the body to the second relatively narrower end of the angular cutout; the angular cutout and the relief cut forming in the body a skirt portion having an edge on one side of the angular cutout and a flap portion on an opposite side of the angular cutout, the skirt portion and the flap portion being spaced from each other when the patch is in a flat configuration; a first set of fold lines on the body along which the body can be folded; a second set of fold lines on the body, the second set of fold lines including a plurality of optional fold lines each corresponding to an angle of an inside corner to be patched; the corner patch conforming to the shape of an angled inside corner when the corner patch is folded along the first set of fold lines and along a selected one of the second set of fold lines and the skirt portion is overlapped with the flap portion such that the edge of the skirt portion aligns with the selected one of the second set of fold lines.