Patent ID: 8651278
Filing Date: 2014-02-18
Classification: B65D

Abstract:
1. A thermoformed packaging case comprising first and second walls which are for edge-to-edge abutment with one another and with mutual ridge-within-groove nesting between them, each of the first and second walls having an edge that is formed with a pattern of ridges with intervening grooves running side-by-side along the edge, and the pattern of ridges with intervening grooves running along the edge of the first wall includes a lateral offset by which the ridges along a first part of the edge of the first wall are aligned with the grooves along a second part of the edge of the first wall while the grooves along the first part of the edge of the first wall are aligned with the ridges along the second part of the edge of the first wall; and the pattern of ridges with intervening grooves running along the edge of the second wall nest ridge-within-groove with the grooves and the ridges respectively of the second part of the first wall.