Flexible connecting bell for pipes

Details Flexible connecting bell for pipes Flexible connecting bell for pipes

1988-05-20

1989-07-11

Arola, Dave W.

Pipe joints or couplings

Flexible joint, rigid members

Resilient sleeve type

285318, F16L 2100

Patent

active

048465119

ABSTRACT:
The invention relates to a flexible connecting bell for pipes. At the joint abutment of the two pipes 1,2 a helical spring 3, designed as a tension spring and with adjacent windings, is fitted on the two pipes 1,2. This helical spring 3 is embedded in an outer sealing sleeve 4, which rests directly on the outside of the pipe ends 1,2 with internal sealing collars 5,6. The helical spring resting directly on the pipe ends 1,2 makes possible a fast, tight connection of the pipes without screw connections and clips. The helical spring protects the flexible material of the sealing sleeve against the direct action of great heat of the medium to be conducted.

REFERENCES:
patent: 1280170 (1918-10-01), Crawford
patent: 2001835 (1935-05-01), Cook
patent: 2346051 (1944-04-01), Seamurk
patent: 2503093 (1950-04-01), Buchanan

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