Mounting a pass-through on a plastic fuel tank

Details Mounting a pass-through on a plastic fuel tank Mounting a pass-through on a plastic fuel tank

2006-12-12

2006-12-12

Jimenez, Marc (Department: 3726)

Metal working

Method of mechanical manufacture

Valve or choke making

C029S890120, C137S588000

Reexamination Certificate

active

07146730

ABSTRACT:
A method of mechanical twist lock attachment of a pass-through valve or fitting over an aperture in a plastic fuel tank having an embedded vapor barrier layer. A ring having circumferentially spaced internal lugs is secured to the tank by weldment around an aperture in the tank wall exposing an edge of the barrier layer. A seal ring on the pass-through is located in the aperture to seal the exposed vapor barrier edge. Outwardly extending projections on the pass-through attach the pass-through by twist locking engagement with the projections on the ring.

REFERENCES:
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patent: 4960153 (1990-10-01), Bergsma
patent: 5020662 (1991-06-01), Aida
patent: 5083583 (1992-01-01), Benjey
patent: 5660206 (1997-08-01), Neal et al.
patent: 6260578 (2001-07-01), Kuehnemund et al.
patent: 6308735 (2001-10-01), Foltz
patent: 6637778 (2003-10-01), Benjey
patent: 2003/0051969 (2003-03-01), Reinards et al.
patent: 2003/0094763 (2003-05-01), Benjey
patent: 2 165 914 (1986-04-01), None
PCT International Search Report, PCT/IB2005/001625, search completed Oct. 20, 2005.

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