Spool package

Claim 1

A SPOOL PACKAGE COMPRISING A SPOOL HAVING A GENERALLY CYLINDRICAL BARREL AND INTEGRAL DISC SHAPED UPPER AND LOWER END FLANGES; A WINDING OF WIRE BETWEEN THE FLANGES OF SAID SPOOL; A GENERALLY CYLINDRICAL COVER FORMED OF TWO SUBSTANTIALLY IDENTICAL SEMI-CYLINDRICAL SECTIONS; EACH EXTENDING BETWEEN SAID FLANGES AND FORMING WITH SAID SPOOL A SUBSTANTIALLY COMPLETE ENCLOSURE FOR SAID WINDING; SAID SECTIONS BEING OF SUBSTANTIALLY THE SAME LENGTH AS SAID SPOOL; THE DIAMETER OF THE INNER SURFACE OF EACH SECTION BEING INCREASED NEAR THE ENDS THEREOF TO PROVIDE RECESSED ENDS ADAPTED TO SEAT AGAINST THE PERIPHERAL EDGES OF SAID FLANGES; SAID SECTIONS EACH HAVING A PLURALITY OF FLAT INTEGRAL PADS PROJECTING LATERALLY OF THE OUTER SIDE OF SAID SECTIONS GIVING THE PACKAGE A GENERALLY RECTANGULAR CONTOUR ENABLING A PLURALITY OF SAID PACKAGES TO BE STACKED IN SIDE BY SIDE RELATION; EACH OF SAID COVER SECTIONS HAVING A FIRST LATERALLY SPACED PAIR OF SAID PADS WHICH LIE IN A DIRECTION TRANSVERSE OF THE AXIS OF THE SECTION WITH A LUG PROJECTING FROM EACH PAD OF SAID FIRST PAIR; EACH OF SAID SECTIONS HAVING A SECOND LATERALLY SPACED PAIR OF SAID PADS WHICH LIE AT SUBSTANTIALLY RIGHT ANGLES TO SAID FIRST PAIR OF PADS; SAID SECOND PAIR OF PADS HAVING NOTCHES FORMED THEREIN WHICH ARE LONGITUDINALLY SPACED AND DIMENSIONED TO RECEIVE SAID LUGS ON SAID FIRST PAIR OF PADS SO THAT WHEN ONE SPOOL PACKAGE IS PLACED BESIDE ANOTHER SPOOL PACKAGE, THE LUGS AND NOTCHES ON ADJACENT SPOOL PACKAGES INTERLOCK TO PREVENT RELATIVE SHIFTING OF SUCH SPOOL PACKAGES; SAID SPOOL AND SAID SECTIONS EACH BEING FORMED OF A LOW DENSITY, SUBSTANTIALLY RIGID CELLULAR PLASTIC HAVING SUBSTANTIAL RESISTANCE TO COMPRESSION; AND MEANS FOR HOLDING SAID SECTIONS IN ENGAGEMENT WITH SAID SPOOL.