Electricity: conductors and insulators – Conduits – cables or conductors – Conductive armor or sheath
Patent
1980-06-09
1982-03-30
Kendell, Lorraine T.
Electricity: conductors and insulators
Conduits, cables or conductors
Conductive armor or sheath
428344, 428345, 428349, 428377, 428379, 428383, 428461, 428463, B32B 1508, H01B 718, H01B 722
Patent
active
043225748
ABSTRACT:
An improved corrosion resistant cable shielding tape adapted for use in electrical power and communications cables comprising a metal strip having a deformation resistant layer of polymeric resinous material tightly adhered to at least one side thereof, the deformation resistant layer having a deformation temperature of at least about 270.degree. F. The deformation resistant layer resists abrasion and penetration at the temperatures and pressures normally associated with cable manufacture, installation and/or service use. The deformation resistant layer must be tightly adhered to the metal strip to prevent delamination when exposed to a corrosive environment and to the mechanical forces exerted by metal corrosion products, thereby restricting the path of corrosive attack to the exposed metal edges of the shielding tape. Additional layers of polymeric resinous materials may be included in the multilayered structure of the cable shielding tape such as adhesive and/or heat seal layers. A cable manufactured with the improved corrosion resistant cable shielding tape comprises a core of at least one insulated conductor surrounded by a shield formed from the corrosion resistant cable shielding tape which in turn is surrounded by an outer plastic jacket.
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Bow Kenneth E.
Lyon Thomas H.
Choo Tai-Sam
Kendell Lorraine T.
The Dow Chemical Co.
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