Container for storing fine particles

Food or edible material: processes – compositions – and products – Packaged or wrapped product

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Details

426106, 426115, 426118, 426127, 426394, 383 45, 383 48, 383 61, 383103, A23B 500

Patent

active

061327808

ABSTRACT:
A container is used to store fine particles such as bakery flour in a sealed packaging, wherein air in the container, such as air entrapped during filling, can be expelled through compression without loss of fine particles. The container includes a main body forming a pouch which terminates in a principal opening and is fabricated from an imperforate flexible material such as clear plastic film. A sealing mechanism is attached to the pouch for sealing the pouch, and a multiplicity of microscopic pores extend through the flexible material. Each pore has a dimension ranging from 10 to 150 .mu.m sufficient to permit air to exit through an exit port, but to prevent the fine particles from escaping through the pores. At least a portion of the pouch material has an anti-slip surface with an external coefficient of friction ranging from about 0.4 to 0.5.

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Mitsui Toatsu Chem., Inc., Jan. 1990, Patent Abstracts of Japan, vol. 14, No. 188.
Toyobo Co. Ltd., Aug. 1990, Patent Abstracts of Japan, vol. 14, No. 495.

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