Tube coupling sleeves

Details Tube coupling sleeves Tube coupling sleeves

1989-12-15

1992-02-04

Reese, Randolph A.

Pipe joints or couplings

Connector for conduit housing electromagnetic line:

Having box and connector

285308, 285322, 285331, 285341, F16L 4108

Patent

active

050854720

ABSTRACT:
The disclosure relates to a tube coupling sleeve having a throughway open at one end to receive an end part of a tube to be coupled therein. The sleeve has an end stop spaced from the open end to define the limit of insertion of the tube in the sleeve and an inner integral hollow spigot extends along the sleeve from the end stop through the open end of the sleeve to project into the tube. The outer surface of the spigot has annular ridges or ribs to grip the inner surface of the tube and hold it in place. The closed and of the sleeve has an encircling head to fit in a bore in a body and the head has an encircling steel star washer to lock the head in the bore.

REFERENCES:
patent: 2712262 (1955-07-01), Knohl
patent: 3359021 (1967-12-01), Wurzel et al.
patent: 3923323 (1975-12-01), Brogan
patent: 4427219 (1984-01-01), Madej
patent: 4440424 (1984-04-01), Mode
patent: 4593945 (1986-06-01), Hana et al.
patent: 4630848 (1986-12-01), Twist et al.
patent: 4637636 (1987-01-01), Guest
patent: 4685706 (1987-08-01), Kowal et al.
patent: 4895395 (1990-01-01), Coriani

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