Dual elastomer gasket shield for electronic equipment

In a gasket shield for counteracting electromagnetic interference comprising a flexible gasket element, the improvement wherein said gasket element comprises a relatively thick elastomeric inner layer of good elasticity and high strength, and a relatively thin outer layer integral therewith, said outer layer being metal filled and providing a high degree of attenuation of electrical energy, wherein said inner and outer layers are chemically bonded to one another.

In a gasket shield for counteracting electromagnetic interference comprising a flexible gasket element, the improvement wherein said gasket element comprises a relatively thick elastomeric inner layer of good elasticity and high strength, and a relatively thin outer layer integral therewith, said outer layer being metal filled and providing a high degree of attenuation of electrical energy, wherein said inner and outer layers are co-extruded.

In a gasket shield for counteracting electromagnetic interference comprising a flexible gasket element, the improvement wherein said gasket element comprises a relatively thick elastomeric inner layer of good elasticity and high strength, and a relatively thin outer layer integral therewith, said outer layer being metal filled and providing a high degree of attenuation of electrical energy, further comprising a metallic substrate chemically locked thereto.

A gasket shield for counteracting electromagnetic interference comprising a flexible gasket element having a relatively thick elastomeric inner layer of good elasticity and strength, formed of carbon-filled rubber, and a relatively thin outer layer integral therewith, said outer layer being metal-filled rubber and providing a high degree of attenuation of electrical energy.