Patent ID: 8776331

Claim:
A mechanical touch-and-close fastener, comprising a backing; and a plurality of adhesive elements having stems extending from said backing and having head parts on free ends of said stems, said adhesive elements being arranged and subdivided into groups forming imaginary hexagonal rings including at least two unequal sides with each said group having first, second and third pairs of head parts of said adhesive elements, said hexagonal rings each having corners thereof occupied by one of said adhesive elements, said first and second pairs of said head parts of said adhesive elements in each of said groups contacting one another in an unactuated state thereof, in each said group two head parts in each of two said first and second pairs thereof having centers thereof being spaced apart by a first distance, said head parts of said third pair in each said group being located between said first and second pairs and having centers being spaced by a second distance greater than said first distance, at least two spaces between respective ones of said head parts in each said group being without a head part in said spaces.