Patent ID: 6991270
Filing Date: 2006-01-31
Classification: F16L,Y10S

Abstract:
1. A hose and coupling assembly comprising: a hose, wherein the hose includes a corrugated portion that includes a plurality of grooves; a coupling that connects the hose to an external passage; a fitting member including (i) a passage portion having a receiving passage, and (ii) a first engagement catch projecting outwardly from an open peripheral end of the passage portion; and a socket having:(i) an elastically and diametrically-expandable socket body for covering both of the fitting member and the corrugated portion; (ii) a second engagement catch, formed on the socket body, for engaging the first engagement catch; and (iii) a socket fitting portion, formed on an opening of the socket body, for engaging with at least a first one of the grooves of the corrugated portion; and a sealing member located in a second one of the plurality of grooves for sealing between the corrugated portion and a wall of the external passage; wherein: the entire socket expands while the socket is pressed toward the fitting member.