Pipe system for central suction cleaning installation

Details Pipe system for central suction cleaning installation Pipe system for central suction cleaning installation

1987-09-04

1989-08-08

Abrams, Neil

Electrical connectors

Having retainer or passageway for fluent material

Fluent material transmission line

174 47, H01R 464

Patent

active

048548871

ABSTRACT:
In known manner, a pipe system comprises a group of tubes and couplings connecting a suction station to one or more suction openings, the tubes and couplings being equipped with low voltage electric 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.

REFERENCES:
patent: 3258553 (1966-06-01), Breslin
patent: 3387319 (1968-06-01), Ferraris et al.
patent: 3465111 (1969-09-01), Breslin
patent: 3546656 (1970-12-01), Pritulsky
patent: 3914002 (1975-10-01), Berliner et al.
patent: 4473923 (1984-10-01), Neroni et al.

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