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- simple past tense and past participle of pipe
piped (not comparable)
- Shaped like a pipe; tubular.
- Conveyed by a pipe.
- 1960 December, “New G.E. Line diesel loco maintenance depot at Stratford”, in Trains Illustrated, page 767:
- All other piped services for the locomotives are provided in the shed; two types of lubricating oil, a waste-oil pipeline, compressed air, radiator-coolant water and both hard- and soft-water pipelines.
- (rail transport) Of a rail vehicle, having a through brake pipe, without the vehicle having brakes operating from it.
- 1946 March and April, “The Why and The Wherefore: "Fitted" and "Piped" Wagons”, in Railway Magazine, page 128:
- Vacuum-fitted wagons are provided with complete vacuum-brake equipment; "piped" wagons have through pipes, enabling them to be marshalled in vacuum-braked trains without interrupting the continuity of the vacuum brake connections, but are not provided themselves with vacuum brake gear.