PACKING WITH PERFECTED REPEATEDLY CLOSING HOLE Russian patent published in 2009 - IPC B65D81/34 

Abstract RU 2371367 C1

FIELD: transportation, packing and storage.

SUBSTANCE: packing is intended for packing foodstuff for preparation in microwave. Packing has casing with top front main sheet, bottom front sheet and rear sheet, sealed edge-to-edge. Packing has repeatedly closing hole for feeding foodstuff, discharging means, located to close closing hole so that air flow is directed outside the said hole with increased inner air pressure, and direct air aside from an aperture at increase of internal pressure of air, and weakened sealing arranged on a part of aforesaid edge-to-edge sealing. With inner pressure reaching the critical point, weakened sealing is broken off. Aforesaid critical point is reached, when internal pressure exceeds external pressure in a degree, sufficient for breaking weakened seal.

EFFECT: foodstuff packing for microwave.

14 cl, 13 dwg

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RU 2 371 367 C1

Authors

Fi Bun Iou

Fi Bun Chi

Dates

2009-10-27Published

2005-11-09Filed