Apparatus and method for packaging delicate articles

Details Apparatus and method for packaging delicate articles Apparatus and method for packaging delicate articles

1986-04-08

1987-03-31

Spruill, Robert L.

Package making

Methods

With contents treating

53512, B65B 3100

Patent

active

046532510

ABSTRACT:
A method of packaging an article involves drawing two elongated strips of plastic from a supply, placing an article between them, then drawing two broader sheets above and below the first two sheets. The various sheets are adjusted and sealed in such a manner that two envelopes are formed, one inside the other, the outer envelope being larger in all directions than the inner envelope. The outer envelope is then inflated under conditions such that air is expelled form the inner envelope, collapsing it tightly about the article. By omitting certain steps, an empty container can be formed, suitable for later loading and inflation. The apparatus disclosed automatically carries out the method.

REFERENCES:
patent: 3325071 (1967-06-01), Schmitz
patent: 3340669 (1967-09-01), Farquharson
patent: 3386604 (1968-06-01), Fields
patent: 3850084 (1974-11-01), Fowler
patent: 4103471 (1978-08-01), Lowdermilk
patent: 4190158 (1980-02-01), Ambrose

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