Tail seals

Details Tail seals Tail seals

C - Chemistry, Metallurgy

09

K

C09K 3/10 (2006.01) E21D 9/06 (2006.01)

Patent

CA 2715052

Tail seal compound (tail seal) for tunnelling machine comprising blown oils, more than 30% by weight of a mineral charge and fibrous material.

Un composé mastic (mastic) pour machine de creusement de tunnel comprend des huiles soufflées, plus de 30 % en poids dune charge minérale et matière fibreuse.

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