PIPE LINE ARTICULATED JOINT Russian patent published in 2006 - IPC F16L27/02 F02K9/44 

FIELD: pipe lines used in manufacure of rockets.

SUBSTANCE: proposed articulated joint has body which is connected with fixed elbow-shaped branch pipe. Second pipe line is mounted inside articulated joint coaxially relative to it. One end of this pipe line is rigidly connected with one of elbow-shaped branch pipes. Mating elbow-shaped branch pipe has blind hole which is coaxial relative to joint. End-piece of second pipe line is inserted into this blind hole by sliding fit. Laid in between engageable surfaces of blind hole and end-piece is seal. End sections of second pipe line are connected with supply and discharge pipe unions through passages made in elbow-shaped branch pipes.

EFFECT: enhanced reliability of joint.

6 cl, 3 dwg