Twist coupling for vacuum pipes

Details Twist coupling for vacuum pipes Twist coupling for vacuum pipes

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 39/04 (2006.01) F16L 27/08 (2006.01) F16L 59/18 (2006.01)

Patent

CA 2066251

2066251 9104436 PCTABS00003 A device for coupling together two vacuum lines, such that when coupled the lines can be rotated relative to one another. Each of the vacuum lines includes two mutually concentric pipes (1, 2) which define a vacuum space (3) therebetween. The coupling device includes a first coupling part, a male part, on the one vacuum line, and a second coupling part, a female part, on the other vacuum line. Located between the male part and the female part is at least one sealing ring (11) which is arranged so as not to come into direct contact with a cold or a hot medium flowing through the inner pipe (1). The invention also relates to male and female parts of the coupling device for coupling together vacuum lines which, subsequent to being coupled, can be rotated relative to one another.

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