Electricity: conductors and insulators – With fluids or vacuum – With fluid stops
Patent
1984-06-29
1986-01-07
Grimley, A. T.
Electricity: conductors and insulators
With fluids or vacuum
With fluid stops
174105R, 174106D, 174107, H01B 718, H01B 728
Patent
active
045635404
ABSTRACT:
A bonded ASP cable includes a multiconductor core which is filled with a waterproofing material. The core is enclosed by a plastic layer (28) which is flooded with a waterproofing material. Wrapped longitudinally about the plastic layer is a corrugated inner shield (31) having a longitudinal seam (35) and having an outer surface covered with a waterproofing material. The inner shield is enclosed by a corrugated outer shield (36) which has an overlapped longitudinal seam (38) and which has an outer surface coated with a layer of an adhesive material. As the outer shield is being formed, a sealant material is introduced into engagement with the inner shield in the vicinity of the longitudinal edge portions of the outer shield. Then as the longitudinal edge portions of the outer shield are overlapped and engaged with each other, the sealant material is caused to flow into cavities between the two shields adjacent to the seam of the outer shield to form a gasket (66). The gasket prevents the ingress of moisture, fills any cavities along which water otherwise could travel, and prevents the egress of waterproofing material through the seam of the outer shield. A plastic jacket (41) is bonded to the outer shield by the layer of adhesive material on its outer surface.
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Bohannon, Jr. William D.
Brent Herbert E.
Hamilton Alfred S.
Kinard Michael D.
AT&T - Technologies, Inc.
Grimley A. T.
Nimmo Morris H.
Somers E. W.
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