B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
154/8, 154/53.21
B29C 63/26 (2006.01) B29C 63/34 (2006.01) F16L 55/162 (2006.01)
Patent
CA 2006819
ABSTRACT Device and process for lining a damaged pipe, such as a sewer pipe by drawing an inflatable inner tube (4,9) or airtight and watertight material into the sewer pipe, which inner tube is surrounded by one or more lengthwise extending chambers into which a hardening material is pumped following the inflation of the inner tube.
Spee Paulus R.
Vos Jannes
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Koninklijke Wegenbouw Stevin B.v.
Spee Paulus R.
Vos Jannes
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