Disposable diaper with improved hook fastener portion

Claim 1

A disposable garment or diaper including a flexible laminate adapted to be applied around a portion of an individual, and hook and loop fastener means for fastening together spaced portions of said laminate to secure said garment or diaper to the individual, said fastener means includes at least one loop fastener portion defining loops attached to one of said portions, and at least one unitary hook fastener portion of a resiliently flexible, polymeric resin comprising a base having generally parallel upper and lower major surfaces with said lower surface fastened to a different one of said portions of said laminate, and at least 45 spaced hook members per square centimeter projecting at generally a right angle from the upper surface of said base and adapted to releasably engage the loops of said loop fastener portion, said hook members having a height from said upper surface of less than 1.5 millimeters and each comprising a stem portion attached at one end to said base, and a head portion at the end of said stem portion opposite said base, which head portion has a rounded surface opposite said stem portion, said stem and bead portions having generally the same thickness of less than 0.046 centimeter in a first direction parallel to the surfaces of said backing said stem portion having a width in the range of 0.018 to 0.03 centimeter in a second direction generally at a right angle to said first direction and parallel to the surfaces of said backing; and said head portion having a width at least 0.007 centimeter greater than said stem portion and a total width of less than about 0.1 centimeter in said second direction, the total cross sectional area of said head portions in a plane parallel to said upper surfaces being less than 32 percent of the area of said upper surface.