Hair curler

Claim 1

A HAIR CURLER COMPRISING A GENERALLY CYLINDRICAL WINDING MEMBER HAVING AN ARRAY OF HAIR-GRIPPING ELEMENTS PROJECTING GENERALLY RADIALLY FROM SAID MEMBER, THE ELEMENTS OF SAID ARRAY BEING ARRANGED IN AT LEAST 10 PARALLEL GENERALLY AXIALLY EXTENDING ROWS, EACH ELEMENT HAVING AT LEAST TWO SHARP EDGES EXTENDING ALONG ITS LENGTH FACING IN THE DIRECTION OF SAID ROWS AND EACH ELEMENT TAPERING TO A POINT AT ITS OUTER END, THE INCLUDED ANGLE OF EACH SHARP EDGE BEING LESS THAN 90*, THE LENGTH OF EACH ELEMENT BEING AT LEAST TWICE ITS WIDTH MEASURED AT ITS BASE IN A DIRECTION PARALLEL TO THE AXIS OF SAID WINDING MEMBER, THE ELEMENTS IN SUCCESSIVE ROWS BEING STAGGERED WITH RESPECT TO EACH OTHER AND ALL OF THE ELEMENTS IN EACH ROW BEING SPACED FROM EACH OTHER AT THEIR BASES BY A DISTANCE NO GREATER THAN 0.020 INCH MORE THAN THE WIDTH, MEASURED AT THEIR BASES IN A DIRECTION PARALLEL TO THE AXIS TO SAID MEMBER, OF THE ELEMENTS IN THE ADJACENT ROWS, SUCCESSIVE ROWS BEING SPACED FROM EACH OTHER BY A DISTANCE NO GREATER THAN FOUR TIMES SAID WIDTH, SAID SPACING BETWEEN ROWS BEING MEASURED FROM THE SHARP EDGES OF THE ELEMENTS IN ONE ROW TO THE SHARP EDGES OF THE ELEMENTS IN THE NEXT ROW, FROM 60 TO 200 ELEMENTS BEING PRESENT IN EACH SQUARE INCH OF SAID ARRAY.