Safety packaging

Details Safety packaging Safety packaging

2000-01-19

2001-05-15

Bui, Luan K. (Department: 3728)

Special receptacle or package

For ammunition

C206S523000, C206S524100, C220S560010

Reexamination Certificate

active

06230877

ABSTRACT:

FIELD OF THE INVENTION
The present invention is directed toward safety packaging, and more specifically, toward packaging for safely holding and transporting explosives and other volatile materials.
BACKGROUND OF THE INVENTION
The growing use of explosives and explosive devices for civil applications is accompanied by a concomitant increase in the transport of such substances and devices. At the same time, the requirements for safer transport, (as well as more efficient methods for safely combating fires resulting from accidents), are becoming ever more severe and wide-ranging. It would therefore be desirable to provide improved packaging for explosives and other volatile substance that would protect such substances from excessive heating when exposed to fire or high heat and that would minimize damage to surrounding persons and property if such substances do ignite or explode.
SUMMARY OF THE INVENTION
Safety during transport can be considerably improved by using packaging which is so designed that the sequence of reactions which is to be expected in the event of accident can be controlled. In a preferred embodiment, packaging comprising a tube having first and second open ends is provided for housing an explosive or other volatile material. While the invention is useful with various materials that may burn or explode when subjected to high heat or flames, the volatile substance will be described herein as an explosive.
The tube of the preferred embodiment is used in a generally horizontal orientation with a first portion of its sidewall resting on a support surface and the first and second end openings of the tubular package facing in opposite directions. The portion of the tube near the support surface is generally referred to as the bottom while the opposite portion of the sidewall is referred to as the top. The package includes a layer of heat insulative material along the bottom portion. Explosives or other materials are received in a depression in the insulative material and a layer of heat insensitive material is placed over the explosive. Vent holes are also included in the top portion of the tube. Optionally, materials can be added to the layer of insulative material that absorb heat by phase transformation. This arrangement effectively shields the explosive materials from heat. In addition, if the explosive ignites after a long exposure to heat, the side and vent openings help insure that explosive gasses will be vented in a non-unidirectional matter.


REFERENCES:
patent: 3432666 (1969-03-01), Nash et al.
patent: 3484015 (1969-12-01), Rowan
patent: 4529638 (1985-07-01), Yamamoto et al.
patent: 5160468 (1992-11-01), Halsey et al.
patent: 5285559 (1994-02-01), Thompson et al.
patent: 5865037 (1999-02-01), Bostic

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