A refrigerator liner of a vacuum formed plastic with a thickness of about 0.007" to 0.050" has each corner formed without crinkling when thermal insulation material is foamed against the outer surface of the liner. The non-crinkling of each corner of the refrigerator liner is accomplished through forming...http://www.google.com/patents/US5033636?utm_source=gb-gplus-sharePatent US5033636 - Refrigerator cabinet liner having non-crinkled corners
