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US 5,330,068 AGranted
Fuel tank closure assembly
AssigneeFord Motor Company
InventorsDaniel M. Duhaime, Mark R. Henault, Daniel J. Kmiecik
Life of this patent
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Abstract
A fuel closure assembly is especially useful in multi-layer fuel tanks. An opening in a fuel tank wall having an externally threaded nipple forms a planar sealing surface. An seal is centered about a radial surface of the nipple. A plate closes the opening and is retained in position by a threaded ring.
Claims3
A fuel tank closure assembly comprising:
- a fuel tank wall having a nipple, with the nipple including a planar sealing surface and at least one radial locating surface;
- an annular seal having an annular body and at least one annular lip, said seal mounted on said nipple with said body overlying said planar sealing surface and said lip being retained by said radial surface;
- a closure overlying said body of said seal;
- means for retaining said closure against said seal;
- and
- a support substantially enclosured within said seal whereby said seal will maintain a substantially planar and circular shape during mounting of said seal onto said nipple.
3 more elements
Dependencies are inferred from the claim text.