Pipes and tubular conduits – Combined
Patent
1987-08-21
1989-01-17
Thronson, Mark J.
Pipes and tubular conduits
Combined
219335, F16L 1112
Patent
active
047982306
ABSTRACT:
A heatable plastic hose for transporting fluids, particularly liquids, includes a tubular hose having a cross-sectional center point and a hose wall which defines, along the inner surface thereof, a longitudinal cavity having a cross-sectional center point which is laterally offset from the cross-sectional center point of the tubular hose, the tubular hose having, in cross-section, a first wall portion and a second wall portion, the first wall portion being thicker than the second wall portion; and a heating conductor wire which is longitudinally coextensive with the tubular hose and is embedded in the first wall portion.
REFERENCES:
patent: 2704556 (1955-03-01), Blish
patent: 2998028 (1961-08-01), Rohde
patent: 3500867 (1970-03-01), Elson
patent: 4038519 (1977-07-01), Foucras
patent: 4194536 (1980-03-01), Stine et al.
patent: 4214147 (1980-07-01), Kraver
patent: 4218607 (1980-08-01), Noland
patent: 4463779 (1984-08-01), Wink et al.
Rehau & AG & Co.
Thronson Mark J.
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