Method for making sheathed metal tube

Details Method for making sheathed metal tube Method for making sheathed metal tube

2007-12-18

2007-12-18

Hong, John C. (Department: 3726)

Metal working

Method of mechanical manufacture

Electrical device making

Reexamination Certificate

active

10796934

ABSTRACT:
In a method for grounding a metal tube (2) sheathed with an electrically non-conducting plastic layer (1), has the plastic layer (1) of the metal tube (2) completely removed at an area of connection (3) the area of connection (3) is connected to the motor vehicle part in an electrically conducting fashion by a conductive covering section (4) is closed in the circumferential direction of the metal tube (2) which covers the area of connection (3) on all sides or more than covers the area of connection (3) on all sides, i.e. in the form of a crimp sleeve or a heat-shrinkable sleeve. It is first pushed onto the metal tube (2) and is then pressed onto the metal tube (2) at least at its ends under radial pressure applied along at least part of the circumference without any gaps. In one form, the tube has a bead in the area where the plastic layer is removed and the bead is in contact with the conductive covering section.

REFERENCES:
patent: 5940952 (1999-08-01), Ikeda et al.
patent: 6988311 (2006-01-01), Otto et al.
patent: 2817953 (2002-06-01), None

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