US 7,753,083 B2
Method for producing connecting ends on metal hoses and hose piece comprising such connecting ends
Edward Kern, Oakwood, Ga. (US); Marc Pontzen, Speyer (Germany); and Stephen Goley, Canton, Ga. (US)
Assigned to BOA Balg- und Kompensatoren- Technologie GmbH, Stutensee (Germany)
Filed on Feb. 21, 2006, as Appl. No. 11/357,007.
Application 11/357007 is a division of application No. 10/934417, filed on Sep. 07, 2004, granted, now 7,111,770.
Claims priority of application No. 103 42 353 (DE), filed on Sep. 12, 2003.
Prior Publication US 2006/0138196 A1, Jun. 29, 2006
Int. Cl. F16L 11/00 (2006.01)
U.S. Cl. 138—109  [138/177; 285/288.1; 219/121.63] 7 Claims
OG exemplary drawing
1. A hose piece having several metal layers in mutual positive engagement with another, the hose piece being separated from a hose of larger length or an endless hose, the hose piece comprising:
a roller welding seam to fix radially superposed metal layers of the hose at a separation region, said welding seam extending around at least a portion of a periphery of the hose within a plane which is substantially perpendicular to an axial extension of the hose, wherein the hose piece is cut from the hose of larger length within an axial width of said welding seam to produce a first connecting end which remains within said welding seam throughout an entire periphery thereof.