Locking device for laid pipes with embedded insert

Details Locking device for laid pipes with embedded insert Locking device for laid pipes with embedded insert

1992-10-13

1994-08-23

Nicholson, Eric K.

Pipe joints or couplings

Packed

Externally with clamp

285104, 285368, 285374, F16L 1702

Patent

active

053401697

ABSTRACT:
A locking device for a system of laid pipes comprises a gasket 2 and one or more assembled components which form a hollow cylinder 4 surrounding and accommodating the gasket, the hollow cylinder incorporating an anchoring groove 8. The gasket is elastic and has a solid body portion 9, an integral annular heel member 10, and a plurality of embedded anchoring inserts.

REFERENCES:
patent: 3065000 (1962-11-01), Stanton
patent: 3578362 (1971-05-01), Cauthery
patent: 3761114 (1973-09-01), Blakeley
patent: 3920270 (1975-11-01), Babb, Jr.
patent: 3942141 (1976-03-01), Kaffenberger
patent: 4068866 (1978-01-01), Saha
patent: 4275909 (1981-06-01), Yoshizawa et al.
patent: 4606565 (1986-08-01), Royston
patent: 4613172 (1986-09-01), Schattmaier
patent: 4640533 (1987-02-01), Klemm
patent: 4647083 (1987-03-01), Hashimoto
patent: 4678211 (1987-07-01), Bateman et al.
patent: 4878698 (1989-11-01), Gilchrist
patent: 5069490 (1991-12-01), Halen
patent: 5071175 (1991-12-01), Kennedy, Jr.
patent: 5193858 (1993-03-01), Perlebois

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