Circular cable coating nozzle for applying waterproof covering t

Details Circular cable coating nozzle for applying waterproof covering t Circular cable coating nozzle for applying waterproof covering t

1984-09-07

1986-02-04

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Making electrical conductors of indefinite length

156 51, 156 54, 156 56, 15624412, 156500, 264176R, 425113, 427120, H01B 1314

Patent

active

045684006

ABSTRACT:
A method and apparatus for coating telephone cable or other continuous lengths of cylindrical objects with a continuous coating of molten thermoplastic sealant material. The cable or cylindrical object is passed through an annular array of nozzles operative to apply multiple beads of molten thermoplastic material to the surface of the cable or object. A liquid impervious casing is then placed over the bead coated cable while the beads are still in a molten state. The casing compresses the beads and forms them into a continuous coating of thermoplastic material surrounding the cable or object and contained within the liquid impervious casing.

REFERENCES:
patent: 4122145 (1978-10-01), Hartmann
patent: 4451306 (1984-05-01), Verne
patent: 4468435 (1984-08-01), Shimba et al.
patent: 4469539 (1984-09-01), Wade et al.
patent: 4493747 (1985-01-01), Kanotz et al.

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