System for joining corrugated pipe

Details System for joining corrugated pipe System for joining corrugated pipe

1990-07-06

1991-10-15

Arola, Dave W.

Pipe joints or couplings

Side slide

285330, 285903, 29513, F16L 2500

Patent

active

050568345

ABSTRACT:
A system for joining first and second lengths of corrugated pipe together uses at least two notches cut into a first end of the pipe length. Each notch is formed by two cuts extending longitudinally for at least one corrugation. The cuts are spaced apart so as to form a tab that can be bent outwardly to expose the notch. The first and second ends are fitted together so that the second end is received by the notches, wherein the second end partially encompasses the first end and the first end partially encompasses the second end. The corrugations at the first and second ends matingly fit together. The tabs are bent inwardly to retain the second end to the first end.

REFERENCES:
patent: 971400 (1910-09-01), Orwig
patent: 1020002 (1912-03-01), Warner
patent: 1049542 (1913-01-01), Smith
patent: 1083548 (1914-01-01), Martin
patent: 1259232 (1918-03-01), Hartman
patent: 4222594 (1980-09-01), Skinner

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