Article package and method of making the same

Claim 1

A PACKAGE FOR ARTICLES COMPRISING: A MOUNTING CARD COMPRISING RELATIVELY STIFF, AND UNIFORMLY AIR-POROUS MATERIAL; A LAYER OF RELATIVELY NON-POROUS BARRIER MATERIAL ON ONE SURFACE OF SAID MOUNTING CARD, SAID LAYER OF BARRIER MATERIAL COVERING A LARGER PORTION OF THE SURFACE OF SAID CARD THAN THE PLAN FORM AREA OF AN ARTICLE TO BE PACKAGED THEREON TO SUBSTANTIALLY REDUCE THE AIR-POROSITY OF THE COVERED PORTION; AND A THERMOPLASTIC COVER SHEET VACUUMDRAWN OVER SAID ARTICLE AND TO SAID CARD, SAID COVER SHEET BEING DRAWN TIGHTLY AGAINST THE UPPERMOST SURFACES OF SAID ARTICLE TO SECURE THE ARTICLE IN POSITION ON SAID BARRIER MATERIAL AND AWAY FROM THE SIDE SURFACES OF THE ARTICLE AND TO THE PERIPHERY OF SAID BARRIER MATERIAL TO ADHERE TO THE REMAINING UNCOVERED PORTIONS OF SAID SURFACE OF SAID CARD ABOUT SAID BARRIER MATERIAL WHEREBY AN ENCLOSURE IS FORMED FOR SAID ARTICLE.