Patent ID: 8128126
Filing Date: 2012-03-06
Classification: F16L

Abstract:
1. A coupling system comprising: at least two corresponding corrugated conduits, wherein at least one corresponding corrugated conduit has a first diameter and at least one corrugated conduit has a second diameter different from the first diameter; and a coupling device to couple the at least two corrugated conduits together, said coupling device comprising: wherein said first opening, second opening and third opening engage at end of each of the at least two corrugated conduits by fitting into a corrugation near the end of each of the at least two corrugated conduits when the first side is releasably secured to the second side, and wherein each of the first opening, the second opening and the third opening have a conical end with pre-scored cut lines aligned with opening ribs along each conical end to permit the conical end to be cut at one of the pre-scored cut lines corresponding to the first diameter or the second diameter, such that the opening ribs having the first diameter or the second diameter engage the corrugation of the at least two corrugated conduits having the first diameter or the second diameter.