Stock material or miscellaneous articles – Hollow or container type article – Cellular material derived from plant or animal source
Patent
1987-04-30
1988-07-12
Van Balen, William J.
Stock material or miscellaneous articles
Hollow or container type article
Cellular material derived from plant or animal source
428 68, 428 76, 428166, 428188, 4283055, B32B 102, B32B 518, B32B 900
Patent
active
047569379
ABSTRACT:
Embodiments of the invention, optionally usable as a protective wrapping, barrier, shield, receptacle and/or liner in the packaging of a container or containers of hazardous chemical, are demonstrated as layered structures. One comprises two layers one of which is porous and the second formed of compressible and expansible liquid and shock absorbing material and an antidote serving and operative in their composite as a barrier which substantially contains and renders substantially harmless that hazardous chemical which may be accidentally released from the container or containers over or about which said layered structure applies. Another embodiment comprises a layered structure embodying an antidote such as that above described the most remote layers of which are respectively provided by a porous material and a material presenting an impermeable surface. In this embodiment liquid and shock absorbing material together with said antidote is layered between said remote layers. Optionally, the antidote is sandwiched between, embodied in and/or carried by one or more layers of said layered structure. Preferably, the liquid and shock absorbing material will have a resilient, expansible cellular composition. Significantly improved encompassing covers, receptacles and envelopes for containers of hazardous chemical are a natural derivative of basic embodiments of the present invention.
REFERENCES:
patent: 4170565 (1979-10-01), Flesher et al.
patent: 4228954 (1980-10-01), Rosenzweig
patent: 4345716 (1982-08-01), Armstrong et al.
patent: 4678684 (1987-07-01), Sand
Bloom Jerome P.
Van Balen William J.
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