| 摘要 |
The invention relates to a coupling (1, 2) for pipes (9, 10, 17, 18, 19) used in a geothermal probe device , characterised in that the above is made from a block of thermoplastic material (1, 2) with a first plane face (20, 21), in which is arranged at least one first machined passage (7, 16), the two ends (3-6, 13, 14) of which open out onto said plane face (20, 21). Each of the ends (3-6,13,14) has dimensions such as to accept and fix by welding respectively the end of a first pipe (9, 10, 18, 19) and of a second pipe (10, 9, 19, 18).
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