Stock material or miscellaneous articles – Hollow or container type article – Nonself-supporting tubular film or bag
Patent
1988-10-25
1992-11-03
Robinson, Ellis P.
Stock material or miscellaneous articles
Hollow or container type article
Nonself-supporting tubular film or bag
428 366, 428447, 428910, 426106, 426418, 426419, B65B 2504, B65D 8534
Patent
active
051607689
ABSTRACT:
A container providing controlled atmospheric storage of produce (i.e., fresh fruits, vegetables and flowers) to improve retention of product freshness by adjusting the carbon dioxide to oxygen ratio, for the storage of said produce, can be attained and maintained, thereby retarding premature maturation and spoilage. The environment is controlled by providing a microporous membrane panel of a uniaxially or biaxially oriented microporous polyolefin coated with a cured silicone elastomer, said panel being of limited carbon dioxide and oxygen permeance on an otherwise substantially impermeable container. The size of the area of the panel is a function of its permeance, the amount and respiration rate of the contents, and the ratio of carbon dioxide to oxygen desired.
REFERENCES:
patent: 3450542 (1969-06-01), Badran
patent: 3507667 (1970-04-01), Magnen
patent: 4224347 (1980-09-01), Woodruff
patent: 4472328 (1984-09-01), Sugimoto et al.
patent: 4515266 (1985-05-01), Myers
patent: 4777073 (1988-10-01), Steth
Crowe John E.
Edwards David
Hercules Incorporated
Robinson Ellis P.
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