Sealing plug with a pressure-compensating chamber

Details Sealing plug with a pressure-compensating chamber Sealing plug with a pressure-compensating chamber

2007-01-12

2011-12-06

Batson, Victor (Department: 3677)

Receptacles

Closures

Externally adjustable plug or gasket

C220S359400, C220S789000, C220SDIG019, C016S002200, C277S645000, C277S646000, C277S926000, C277S928000

Reexamination Certificate

active

08070008

ABSTRACT:
A plug to hermetically seal an aperture in a sheetmetal, or in the floor of a vehicle, comprising, a cap covering the aperture and comprising an external, circumferential flange resting on one side of the sheetmetal or of the floor and fitted with a first circumferential seal, an affixation portion entering said aperture and, a second circumferential seal configured at the cap or at the affixation portion and being a distance from the first seal and resting against the sheetmetal or the said floor, a cavity being subtended by the sheetmetal or said floor, the two seals and at least one wall of the plug, where said plug, includes a pressure-compensating chamber, which communicates with the cavity and, which compensates a change in pressure, caused by a change in temperature, inside the cavity, by changing the volume of the pressure-compensating chamber.

REFERENCES:
patent: 3851794 (1974-12-01), Hehl
patent: 4290536 (1981-09-01), Morel
patent: 4801040 (1989-01-01), Kraus
patent: 4938378 (1990-07-01), Kraus
patent: 4998642 (1991-03-01), Kraus
patent: 5040803 (1991-08-01), Cieslik et al.
patent: 6296136 (2001-10-01), Huet
patent: 7108269 (2006-09-01), Benkel et al.
patent: RE39654 (2007-05-01), Huet
patent: 7997437 (2011-08-01), Jatzke et al.
patent: 2005/0000973 (2005-01-01), Sbongk
patent: 10148493 (2003-04-01), None
patent: 1298037 (2003-04-01), None
patent: 2004076239 (2004-09-01), None
International Search Report for PCT/IB2007/000090 dated May 4, 2007.

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