A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
15/38.4
A47L 5/38 (2006.01) E04F 19/04 (2006.01)
Patent
CA 1283762
ABSTRACT OF THE DISCLOSURE A vacuum conduit arrangement for use with a central dust-collecting system that is provided in a building. The arrangement includes vacuum conduits that are interconnected by couplings. The arrangement further includes at least one connector for a vacuum hose of a cleaning apparatus. The vacuum conduits are conduit-like floor or base moldings that are disposed in the corner zones between the floors and walls of the building. These moldings can be easily retrofitted in an exposed manner as a conduit system along the edges of the floors.
528555
Dupro Ag
Fetherstonhaugh & Co.
Worwag Peter
LandOfFree
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