Pipe joint restrainer glands

Details Pipe joint restrainer glands Pipe joint restrainer glands

1984-05-29

1986-02-04

Arola, Dave W.

Pipe joints or couplings

Nonmetal to metal

285349, 285368, 285415, F16L 3300

Patent

active

045681120

ABSTRACT:
A restraining ring and gland for a mechanical joint with a plain plastic pipe end including two semi-circular members securable together by lateral end flanges and having a cylindrical tapered bore having a roughened surface and provided with longitudinally spaced internal annular blunt edged ribs for gripping the plastic pipe without cutting the pipe surface. When the PVC pipe is coupled to iron pipe, one gland is used. When the PVC pipe is connected to a PVC bell or fitting, two glands are used secured together by longitudinal bolts.

REFERENCES:
patent: 2738993 (1956-03-01), Wilson
patent: 4092036 (1978-05-01), Sato et al.
patent: 4183560 (1980-01-01), Wyss
patent: 4295668 (1981-10-01), Louthon
patent: 4372587 (1983-02-01), Roche

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