Device for joining a pipe and a connection piece

Details Device for joining a pipe and a connection piece Device for joining a pipe and a connection piece

1985-04-12

1986-09-30

Scanlan, Jr., Richard J.

Pipe joints or couplings

Packed

Gland

285250, 285353, 285393, F16L 4700

Patent

active

046143726

ABSTRACT:
The device comprises a clamping jaw and a two-piece union nut. The clamping jaw is U-shaped in longitudinal section and straddles the end of the pipe so that it surrounds this pipe end from inside and from outside simultaneously. The two-piece union nut is composed of a first part and a second part which is inserted between the first part and the outer leg of the clamping jaw. The second part is provided with a left-hand external thread which meshes with a left-hand internal thread of the first part. Every location to be made tight within the device is sealed twice when the union nut is tightened, so that the connection is completely fluid-tight.

REFERENCES:
patent: 688514 (1901-12-01), Hanna
patent: 2120275 (1938-06-01), Cowles
patent: 2694584 (1954-11-01), Miller
patent: 3025086 (1962-03-01), Mosely
patent: 3352577 (1967-11-01), Medney
Draft, 06-1980, of DIN 8076: Druckrohrleitungen aus Polyethylen (PE)--Klemmverbinder aus Metall; Deutsches Institut fur Normung e.V., Berlin.

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