Unitary double wall piping system

Details Unitary double wall piping system Unitary double wall piping system

1987-04-09

1988-10-25

Schroeder, Werner H.

Pipes and tubular conduits

Plural duct

Surrounding radially spaced duct with axially spaced...

F16L 918

Patent

active

047796529

ABSTRACT:
Piping for transport of hazardous fluids is provided by replacing old-fashioned two pipe sections and a fitting type double wall piping by a unitary, integrally molded body of fusible plastic having inner and outer pipe walls supported by ribs between the walls, the ribs serving to carry the inner wall plastic within the mold, and being foreshortened at the junction of successive piping bodies to permit cross-flow of any liquids between the inner and outer wall from the point of inception to the place of detection.

REFERENCES:
patent: 2475635 (1949-07-01), Parsons
patent: 4280535 (1981-07-01), Willis

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