Multiple conductor fluid handling duct for an automobile vehicle

Details Multiple conductor fluid handling duct for an automobile vehicle Multiple conductor fluid handling duct for an automobile vehicle

1986-10-30

1988-12-20

Schroeder, Werner H.

Pipes and tubular conduits

Plural duct

Longitudinally extending common wall

F16L 918

Patent

active

047919647

ABSTRACT:
A fluid handling duct for an automotive vehicle has a channel section having a base and integral, upstanding interior and exterior wall elements and a closure cap which is friction welded to each of the wall elements. The closure can has several V-shaped projections depending therefrom which are sized such that during friction welding according to the method disclosed herein the wall elements contacted by each of the V-shaped projections will be deflected in a direction transverse to the longitudinal axis of the duct whereby the V-shaped projection and a corresponding wall will be held together with a force of deflection having sufficient magnitude to cause welding of the V-shaped projection to the wall when the closure cap is moved relative to the channel section during friction welding.

REFERENCES:
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patent: 4391465 (1983-07-01), Piano
patent: 4559868 (1985-12-01), Nonaka et al.

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