Method of making an expanded metal product

Details Method of making an expanded metal product Method of making an expanded metal product

1990-10-29

1992-03-17

Spruill, Robert L.

Metal working

Expanded metal making

72185, B21D 4700

Patent

active

050955977

ABSTRACT:
This invention is directed to a method of making an expandable metal product for use in extinguishing fires and controlling explosions by means of revolving cylinders equipped with slitting knives. The method steps produce the product from a continuous sheet of metal foil by making slits of a configuration extending to the margins. The method also produces a floatable, ellipsoid for nestling in fuel containers.

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