Patent ID: 7971912

Claim:
A quick connector for a tube comprising a first end part that includes an uncoated portion comprising a metallic surface, a coated portion, and a ridge portion, the coated portion being disposed axially further from an end of the first end part than the uncoated portion, the quick connector comprising (a) a housing into which the uncoated portion and the coated portion of the first end part is insertable such that there is a gap between the metallic surface of the uncoated portion and an inside surface of the housing and a gap between an outside surface of the coated portion and the inside surface of the housing; (b) first sealing means for sealing the gap between the metallic surface of the uncoated portion and the inside surface of the housing when the tube is inserted in the housing: (c) a retainer comprising a portion that is axially insertable into the housing when the uncoated portion and the coated portion of the first end part is inserted in the housing to engage with the annular ridge to connect the tube to the housing, the retainer comprising an annular part at the portion that is axially insertable into the housing: and (d) second sealing means formed on the annular part of the retainer for sealing the gap between the outside surface of the coated portion and the inside surface of the housing wherein the tube is inserted in the housing.