Double-wall plastic produce container having ventilation...

Details Double-wall plastic produce container having ventilation... Double-wall plastic produce container having ventilation...

B - Operations, Transporting

65

D

B65D 1/40 (2006.01) B65D 25/00 (2006.01)

Patent

CA 2550242

In this ventilated double-wall plastic container, each hole structure has a central hole surrounded by a solid flange extending along the inside wall of the double-wall structure. The hole structure also has a spacer portion connecting the solid flange to the outside wall of the double-wall structure. The wall segments of the hole structure between the spacer portion and the flange and between the spacer portion and the outside wall of the container define angles that are either obtuse angles or right angles. In another aspect, the mold for manufacturing the double-wall container has spaced--apart inside and outside metal walls, a plurality of openings in the outside metal wall, and hole-forming inserts mounted in the openings and projecting toward the inside wall. A projecting surface on each of the hole--forming inserts defines with the inside wall a space of even thickness surrounding a pin at the centre of the insert.

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