Storage container

Details Storage container Storage container

1984-11-13

1986-02-11

Pollard, Steven M.

Receptacles

Closures

Tethered closure

220240, 220378, 220344, B65D 2100

Patent

active

045694605

ABSTRACT:
The present invention is a high integrity storage container which is particularly well adapted for storage of chemical, radio-nucleide, or other types of waste materials. The body portion will typically be of right rectangular configuration having an open top. An inwardly oriented flange is located completely around the upper periphery of the container body where it acts with a corresponding mating surface on a lid to provide sealing surfaces. A key element is a novel folded gasket located between the mating surfaces of the body and lid. This is oriented with the fold portion toward the outer periphery of the container where it has minimum exposure to the contents. Preferably, the lips or edges of the gasket are bonded to the lid and body flange by a pressure sensitive adhesive to form a tight seal. A resilient strip is located within the folded area of the gasket to urge the adhesive coated surfaces into intimate contact with the mating surfaces of the lid and body flange. The use of the inwardly located flange allows close contact between adjacent containers in a storage area so that waste space is minimized. The folded gasket acts like a bellows to maintain the seal integrity if stresses during use cause minor displacement between the container body and lid.

REFERENCES:
patent: 1904250 (1933-04-01), Purvis
patent: 2435006 (1948-01-01), Jeffery
patent: 2709092 (1955-05-01), Wallace
patent: 3192690 (1965-07-01), Taylor

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