Universal connector hose for joining an extractor to an element

Details Universal connector hose for joining an extractor to an element Universal connector hose for joining an extractor to an element

1996-06-25

1998-04-14

Brinson, Patrick F.

Pipes and tubular conduits

Flexible

Joined sections

138118, 138107, 454 64, 454 63, F16L 1100, B08B 1504

Patent

active

057381488

ABSTRACT:
The hose comprises two flexible portions connected respectively to the suction unit and to the fume-conveyor element or hood, and a rectilinear portion which is articulated to the suction unit and the hood. The rectilinear portion comprises two rigid tubes between which is disposed an extensible bellows-type tube. Rigid tubes are held co-axial by a pair of rectilinear guides fixed to one of the rigid tubes and slidably engaging on a pair of fixed slides on the other rigid tube. The two rigid tubes are, finally, connected by a tension spring the action of which is braked by two friction disks disposed between the guides and the slides.

REFERENCES:
patent: 3818817 (1974-06-01), Nederman
patent: 4158462 (1979-06-01), Coral
patent: 4446861 (1984-05-01), Tada
patent: 4541327 (1985-09-01), Lundstrom
patent: 4860644 (1989-08-01), Kohl et al.
patent: 5159737 (1992-11-01), Kimura et al.
patent: 5336130 (1994-08-01), Ray
patent: 5427569 (1995-06-01), Plymoth
patent: 5482505 (1996-01-01), Hedlund
patent: 5536206 (1996-07-01), Bodmer et al.

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