Process for sealing the end of insulated pipes which have a numb

Details Process for sealing the end of insulated pipes which have a numb Process for sealing the end of insulated pipes which have a numb

1984-04-12

1986-03-18

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Making electrical conductors of indefinite length

138 89, 156294, 156337, 165180, 166 91, 174 76, 174 77R, 219301, 427120, H01B 1306

Patent

active

045766614

ABSTRACT:
The structure and process for providing a sealed insulated piping arrangement by introducing a molten sealing material between the inner fluid conducting pipe, and an outer casing, which space may include monitoring wires. The sealing material is introduced in a molten state to provide a liquid-impermeable filling, and then providing an enclosing seal at the end with a smooth transition for passage of the monitoring wires.

REFERENCES:
patent: 549995 (1895-11-01), Cummings
patent: 3377464 (1968-04-01), Rolfes
patent: 4288471 (1981-09-01), Lanier
patent: 4444996 (1984-04-01), Robertson

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