B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 81/26 (2006.01)
Patent
CA 2265811
Trays are known with two waterproof plastic plies, between which an absorbent paper insert is located, the upper ply (12) having openings (14) for passage of liquid. Re-use of these trays requires separation of the insert from the other plies. According to the invention, the insert (13) also consists of a plastic, i.e. of an open-cell foam plastic. All three plies (11, 12, 13) are compressed together in the area of a surrounding rim (21) so that the insert (13) is no longer open-celled or absorbent in this area.
Des plateaux comportent habituellement deux feuilles étanches en plastique entre lesquels se trouve intercalaire en papier absorbant, la feuille supérieure (12) ayant des orifices (14) pour le passage du liquide. La réutilisation de tels plateaux requiert la séparation de la feuille intercalaire des autres feuilles. Selon le procédé de l'invention, la feuille intercalaire (13) est également en plastique (plastique à alvéoles ouverts). Les trois feuilles (11, 12, 13) sont comprimées ensemble dans la région d'un bord périphérique (21) si bien que la feuille intercalaire (13) n'est plus alvéolée ou absorbante dans ladite région.
Linpac Plastics Limited
Ridout & Maybee Llp
LandOfFree
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