Pipe connectors

Details Pipe connectors Pipe connectors

1998-03-23

1999-10-12

Arola, Dave W.

Pipe joints or couplings

Particular interface

Annular socket

285334, 285382, 285906, F16L 2500

Patent

active

059644869

ABSTRACT:
A pipe connector comprising a tubular pin member (1) having an outer generally frusto-conical surface and a tubular box member (2) having an inner surface corresponding to the surface of the pin member which overlies the surface of the pin member when the members are fully engaged. The central portions (3a,4a) of the frusto-conical surfaces are provided with complementary inter-engaging formations (5,6) and end portions (3b,3c,4b,4c), which are generally spaced apart, have abutting annular rings (20,21) to transfer hoop stresses caused by a pressure difference across the walls of the connector. Following wear of the connector (1,2) the rib also serves to reduce the material removed from the or each member when it is re-cut.

REFERENCES:
patent: 4298221 (1981-11-01), McGugan
patent: 4525001 (1985-06-01), Lumsden et al.
patent: 5709417 (1998-01-01), Verbeck

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