Fasteners and articles employing same

Claim 1

A FASTENER STRUCTURE ADAPTED TO BE REMOVABLY FASTENED ON A MARKED WITH PENETRABLE SURFACE OPENINGS AND COMPRISING A MOLDED SYNTHETIC POLYMER ARTICLE EMBODYING A MOLDED BASE WITH GROUPS OF CLOSELY SPACED, INTEGRALLY MOLDED, SNALL PROJECTIONS EMANATING FROM A FACE THEREOF, SAID PROJECTIONS OF EACH GROUP BEING ARRANGED IN ROWS, SAID PROJECTIONS BEING SMOOTH-SIDED AND TAPERING FROM THE BASES THEREOF TO RELATIVELY POINTED OUTER ENDS, THE LONGITUDINAL AXES OF SAID PROJECTIONS OF EACH RESPECTIVE GROUPS BEING STRAIGHT LINES EXTENDING AT RIGHT ANGLES TO SAID ROWS OF THE RESPECTIVE GROUP AND OBLIQUELY TO SAID FACE AT AN ACUTE ANGLE WITH RESPECT TO SAID FACE, SAID PROJECTIONS HAVING A HEIGHT FROM THEIR RESPECTIVE TIPS TO THEIR BASES IN THE RANGE OF 0.030 INCH TO 0.150 INCH, THE PROJECTIONS OF ONE OF SAID GROUPS SLOPING RELATIVE TO SAID FACE IN THE SAME GENERAL DIRECTION AND FORMING RESPECTIVE UNITS OF SLOPING, CLOSELY SPACED, PENETRATING MEMBERS ADAPTED TO PENETRATE A PLURALITY OF CLOSELY SPACED SURFACE OPENINGS OF A MATERIAL OF THE CHARACTER AFOREDESCRIBED, THE PROJECTIONS OF ANOTHER OF SAID GROUPS SLOPING RELATIVE TO SAID FACE IN ANOTHER GENERAL DIRECTION ESSENTIALLY OPPOSITE TO SAID FIRST-MENTIONED GENERAL DIRECTION AND FORMING ANOTHER UNIT OF SLOPING, CLOSELY SPACED, PENETRATING MEMBERS ADAPTED TO PENETRATE OTHER CLOSELY SPACED SURFACE OPENINGS OF SAID MATERIAL, THE SHORTEST SIDE OF THE RESPECTIVE PROJECTIONS OF SAID RESPECTIVE GROUPS ALSO DEFINING FROM THE RESPECTIVE BASE TO THE RESPECTIVE TIP THEREOF A STRAIGHT LINE SLOPING IN THE SAME GENERAL DIRECTION AS SAID LONGITUDINAL AXES OF THE RESPECTIVE PROJECTIONS OF EACH RESPECTIVE GROUP AND AT AN ACUTE ANGLE RELATIVE TO SAID FACE, WHEREBY MATERIAL OF THE AFORESAID CHARACTER PENETRATED BY SAID PROJECTIONS MAY BE FIRMLY SEATED ON SAID PROJECTIONS AND THEREBY FIRMLY, BUT RELEASABLY, GRIPPED ON SAID FASTENER STRUCTURE.