Stock material or miscellaneous articles – Sheet including cover or casing – Including elements cooperating to form cells
Patent
1978-10-19
1980-09-23
Van Balen, William J.
Stock material or miscellaneous articles
Sheet including cover or casing
Including elements cooperating to form cells
428157, 428166, 428188, 428306, 428913, B32B 300, B32B 312, B32B 320
Patent
active
042243661
ABSTRACT:
Upper and lower contiguous sheets are bonded to each other at their outermost contiguous edges thereof to form an enclosure. The enclosure is divided into a plurality of sectional compartments isolated from each other by barrier sheets which are formed by bonding the upper and lower sheets in a conventional manner. Each sectional compartment contains a predetermined quantity of absorbent granules. The barrier sheets separating the compartments and at least one of the upper and lower contiguous sheets are dissolving paper fabricated of a water soluble carboxy methyl cellulose compound. In one embodiment both the upper and lower sheets are dissolving paper which dissolve together with the barrier sheets when the absorbent granules have absorbed a predetermined amount of moisture and/or liquid. The barrier sheets disintegrate to release the absorbent granules from each sectional compartment. The upper and lower sheets also disintegrate so that the absorbent granules are released from the pack to absorb additional moisture or liquid surrounding but removed from contact with the pack. In a second embodiment the barrier sheets and the upper sheet are dissolving paper and the lower sheet is a mildew resistant sheet operable to retain the moisture or liquid and the absorbent granules in the pack to prevent moisture or liquid from passing through the pack before being absorbed by the granules.
REFERENCES:
patent: 2545710 (1951-03-01), Snyder
patent: 2578324 (1951-12-01), Southwick, Jr.
patent: 3034922 (1962-05-01), Boe
patent: 3343897 (1967-09-01), Keller
patent: 3661815 (1972-05-01), Smith
patent: 3812001 (1974-05-01), Ryan
patent: 4124116 (1978-11-01), McCabe, Jr.
Adams John M.
Price, Jr,. Stanley J.
Van Balen William J.
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