Plastic protective tube arrangement for lines

Details Plastic protective tube arrangement for lines Plastic protective tube arrangement for lines

1987-11-17

1991-01-22

Arola, Dave W.

Pipe joints or couplings

Side slide

285156, 285419, 285903, F16L 3726

Patent

active

049865757

ABSTRACT:
In an annularly corrugated flexible plastic protective tube or conduit for receiving lines the longitudinal slit thereof is so widened that it is readily possible to insert the lines without interference. Clamped in fitting manner on the tube is an outer tube which also has a wide longitudinal slot and which covers the longitudinal slot of the first tube. The locking engagement of inner and outer tubes can be improved by corresponding complementary formation of the ribs or corrugations of the tubes. Branch pieces can be clamped onto the inner and outer tubes.

REFERENCES:
patent: 1360160 (1920-11-01), Weaver & Fleck
patent: 3071193 (1963-01-01), Raulins
patent: 3076737 (1963-02-01), Roberts
patent: 3336950 (1967-08-01), Fochler
patent: 3669473 (1972-06-01), Martin et al.
patent: 3699684 (1972-10-01), Sixt
patent: 3711633 (1973-01-01), Ghirardi et al.
patent: 3892912 (1975-07-01), Hauck

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