Refrigerator cabinet liner having non-crinkled corners

A refrigerator cabinet including a relatively thin liner of vacuum formed plastic material having a thickness no greater than about 0.050 inch;

• a casing disposed in spaced relationship to and surrounding said liner;
• and foamed-in-place thermal insulation material substantially completely filling the space between said liner and said casing and formed by foaming of a liquid foam supplied between said liner and said casing, said insulation material adhering to said liner and casing during foaming of the liquid foam;
• said liner including:
• a bottom wall;
• a top wall spaced from and extending substantially parallel to said bottom wall;
• a back wall extending between and disposed substantially perpendicular to said bottom wall and said top wall;
• a pair of substantially parallel side walls extending from opposite sides of said back wall between said top wall and said bottom wall and disposed substantially perpendicular to each of said back, top and bottom walls;
• a first corner formed by the intersection of said back wall, said top wall and one of said side walls;
• a second corner formed by the intersection of said back wall, said top wall and the other of said side walls;
• a third corner formed by the intersection of said back wall, said bottom wall and said one of said side walls;
• a fourth corner formed by the intersection of said back wall, said bottom wall and said other of said side walls;
• and
• each of said corners of said liner being formed free of crinkles with a central portion of slightly convex shape in cross-section relative to the interior of said liner and an outer portion surrounding said central portion and of only concave shape in cross-section relative to the interior of said liner.