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US 2006/0222774 A1Published application
Flame retardant foam for EMI shielding gaskets
OwnerWilliam Flandersinventor
Life of this patent
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Abstract
A flame retardant, electromagnetic interference (EMI) shielding gasket construction. The construction includes a resilient core member formed of a layer of a foamed polymeric material which is rendered flame retardant by being immersed a solution of a flame retardant composition and alternately compressed and relaxed while so immersed to effect the uptake the solution into the material.
Claims15
A method of imparting flame retardancy to an electromagnetic interference (EMI) shielding gasket construction, the gasket comprising a resilient layer formed of a foamed polymeric material, the method comprising the steps of:
- (a) immersing the foamed polymeric material which forms the resilient layer of the gasket in a solution of a flame retardant composition dispersed in a solvent;
- (b) compressing the material while immersed in the solution;
- and
- (c) relaxing the material while immersed in the solution to uptake the solution into the material.
1 more element
Dependencies are inferred from the claim text.