A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/38.4
A47L 5/38 (2006.01) A47L 9/24 (2006.01) A47L 9/28 (2006.01) B29C 47/02 (2006.01) F16L 9/12 (2006.01) F16L 25/00 (2006.01)
Patent
CA 1300825
- 22 - ABSTRACT OF THE DISCLOSURE Pipe system for central suction cleaning installation. In known manner, said pipe system comprises a group of tubes and couplings connecting a suction station to one or more suction open- ings, the tubes and couplings being equipped with low voltage elect- ric conductors for transmitting an electric stop or start signal from the station. According to the invention, the conductors equipping the tubes are in the form of strips integral with the tubes. Such strips can also equip the couplings.
545957
Blandin Jean-Claude
Goudreau Gage Dubuc
Sa Raccords Et Plastiques Nicoll
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