A - Human Necessities – 01 – F
Patent
A - Human Necessities
01
F
A01F 25/14 (2006.01) A23B 7/148 (2006.01) A23B 9/20 (2006.01) A23L 3/3445 (2006.01) B01D 71/36 (2006.01) B65G 3/02 (2006.01)
Patent
CA 2071275
A storage vessel for storing grain or other natural products comprises a gas-impermeable enclosure having a water-vapour-permeable membrane to allow the grain to breath and dry, and to prevent condensation and mould growth. The membrane is impermeable to oxygen gas to allow a reduced oxygen atmosphere (e.g. 3 to 7%) to be established as oxygen is used up by insect pests within the grain. The insects are unable to survive at such low levels of oxygen. Thus the grain is protected against pests without the use of chemical pesticides.
ette invention concerne un contenant de stockage pour le grain ou autres produits naturels. Le contenant en question se compose d'une enceinte imperméable aux gaz munie d'une membrane perméable à l'eau et à la vapeur qui permet l'aération et le séchage du grain et prévient la condensation ainsi que la formation de moisissure. La membrane est imperméable à l'oxygène afin de pouvoir conserver une atmosphère réduite en oxygène (p. ex. de 3 à 7 % d'oxygène), ce gaz étant nécessaire aux insectes nuisibles qui attaquent le grain. Les insectes ne peuvent survivre dans un milieu ayant une teneur aussi réduite en oxygène, ce qui permet de protéger le grain des insectes sans utiliser de pesticides chimiques.
Gowling Lafleur Henderson Llp
W. L. Gore & Associates (uk) Ltd.
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