Patent ID: 7067032
Filing Date: 2006-06-27
Classification: F16L,Y10S

Abstract:
1. A tubular coupling element for producing a glued joint with a fluid line, said tubular coupling element comprising: an inner tube having a front end and a rear end, wherein said front end is insertable into a fluid line; an outer tube having a front end and a rear end, wherein said outer tube is concentric to said inner tube and a length of the front end of said inner tube is longer than a length of the front end of said outer tube; a linear connecting wall interconnecting said inner tube rear end to said outer tube rear end, wherein said outer tube, said connecting wall and said inner tube define one cylindrically shaped annular gap; and a solid ring of hot melt adhesive disposed within the annular gap and positioned against said connecting wall, such that said solid ring of hot melt adhesive occupies less than the full volume of the annular gap.