Iron powder-based oxygen-absorbing package and production...

Details Iron powder-based oxygen-absorbing package and production... Iron powder-based oxygen-absorbing package and production...

2005-01-18

2005-01-18

Ahmed, Sheeba (Department: 1773)

Package making

Methods

Forming or partial forming a receptacle and subsequent filling

C053S461000, C053S463000, C053S476000, C053S477000

Reexamination Certificate

active

06843040

ABSTRACT:
The oxygen-absorbing package of the present invention is produced by packaging an oxygen-absorbing composition comprising, as an effective component, an iron powder containing a fine iron powder passing through a 200-mesh standard sieve in an amount of 5% by weight or less by an air-permeable packaging material using an automatic filling-packaging machine. By using the above oxygen-absorbing composition, the iron powder is prevented from being partially scattered to attach to the outer surface of the oxygen-absorbing package during the industrial packaging operation using the automatic filling-packaging machine of high productivity, thereby enabling to obtain an oxygen-absorbing package capable of preserving products for a long period of time without contamination and color change during the storage.

REFERENCES:
patent: 3754700 (1973-08-01), Bonk
patent: 3969224 (1976-07-01), Cerbo
patent: 4579223 (1986-04-01), Otsuka et al.
patent: 5972452 (1999-10-01), Takahasi et al.
patent: 6248690 (2001-06-01), Mckedy
patent: 0864630 (1998-09-01), None
patent: 9513135 (1995-05-01), None

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