Patents

Z-fold diaper fastener

February 28, 2004

1. A diaper fastening system for releasably securing first and second longitudinal ends of a diaper together, said fastening system including tab and landing members respectively mounted to said first and second longitudinal ends of said diaper, said tab member having a mounting portion, a connecting portion and a securement portion, said tab member being foldable to a Z-shape in a storage position and being deployable to a securement position to provide combined mechanical and adhesive securement with said landing member, said tab member including a facestock member having opposed inner and outer facestock surfaces, an adhesive layer having opposed inner and outer adhesive surfaces, said adhesive layer extending continuously along said facestock member adjacent said mounting, connecting and securement portions of said tab member and having said inner adhesive surface adjacent said inner facestock surface, a first release coating extending continuously along said outer adhesive surface adjacent said connecting portion, a second release coating extending continuously along the entire width and length of said outer facestock surface adjacent said mounting, connecting and securement portions of said tab member, mechanical fastening elements projecting from said outer adhesive surface adjacent said securement portion, said mounting portion being folded toward said connecting portion with said outer adhesive surface adjacent said mounting portion being secured to said first longitudinal diaper end and said securement portion being folded toward said first release coating and said connecting portion when said tab member is folded in said storage position, said securement portion being unfolded away from said first release coating to expose said outer adhesive surface and mechanical fastening elements adjacent said securement portion upon deployment of said tab member to said securement position, and said landing member including contact surface means for adhesive engagement by said outer adhesive surface adjacent said securement portion to provide immediate tack strength and mechanical engaging means for mechanical locking engagement by said mechanical fastening elements to provide shear strength, whereby said tab member and said landing member in said securement position provide combined adhesive and mechanical securement between said tab member and said landing member.
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