Method of producing the composite metal-and-plastic components of an antiballistic grill for an armored vehicle
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United States of America Patent
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Jan 16, 2001
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app pub date -
Apr 24, 1998
filing date -
May 22, 1997
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Abstract
A method of fabricating the composite metal-and-plastic components of an antiballistic grill for an armored vehicle. Each component comprises a core in the form of a length of structural section with layers of plastic against each side bonded to the core by heat and pressure in a mold comprising two halves. The object of the present invention is simpler and more economical lamination in the fabrication of non-flat work with a metal core. The core is electrically heated to a prescribed processing temperature by regulating a current of electricity, whereby the resulting heat is employed to soften to a prescribed extent adhesive between the core and the layers of plastic to be bonded to it.
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