device for underground, the earth's surface is only slightly beschädigenden transfer of heizungsrohren

摘要

the device consists of a tractor (1), the framework (4), to the specified arbeitstiefe adjustable and a predetermined number of parallel arranged maulwurfanordnungen (10) with a very small zugwiderstand wears.the trunk heat pipes (40) are vibrationsfrei with maulwurfanordnungen (10) connected and planned in the verlegungstiefe via the tractor (1) through the soil.