Patent ID: 9349621
Filing Date: 2016-05-24
CPC Classification: F16J,H01L

Claim Text:
1. A vacuum seal arrangement comprising: a one-piece elastomeric gasket having at least first and second O-rings interconnected by a planar web; a first part having a first planar sealing surface with a dove-tail groove therein holding the first O-ring and a square walled groove therein holding the second O-ring, wherein the first and second O-rings are concentric and the square walled groove is radially inward of the dove tail groove with respect to the first planar sealing surface, the first part further including at least one passage in the first planar sealing surface surrounded by the first O-ring or second O-ring, wherein the passage opens into an inner portion of the square walled groove; and a second part attached to the first part; wherein