Strip material with tab-like parts for forming fasteners

In combination, a fastener comprising first and second pieces of stiff flexible polymeric sheet material, each piece having opposite major surfaces, a plurality of aligned, equally spaced, similarly shaped and oriented, generally U shaped through slits, said slits defining a row of tab-like parts of said piece and a surrounding main part of said piece, each of said tab-like parts being bent along a bend line between the ends of the slit defining the tab-like part out of the plane of the main part of the piece to define an opening through said piece, said bend lines of said tab-like parts being parallel and extending transverse of said piece, and said main part and tab-like parts of the piece having opposed edge surfaces adjacent the opposite ends of said slits disposed at an included angle in the range of about 60 to 90 degrees with respect to the adjacent bend line so that when the tab-like parts on each of said two pieces are simultaneously fully inserted through the openings in the other piece with the tab-like parts projecting generally in opposite directions, said edge surfaces of the tabs-like parts on one piece will make frictional engagement with the edge surfaces of the main part of the piece on the other to frictionally hold the pieces in releasable engagement;

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• first and second backing layers, one of the backing layers attached along the surface opposite the projecting tab-like parts of a different one of the pieces at positions spaced from the row of tab-like parts so that when the pieces are engaged the tab-like parts of one of the pieces will be positioned between the other piece and the backing layer attached to the other piece.