Patent ID: 8484912
Filing Date: 2013-07-16
Classification: E06B

Abstract:
1. A spacer tube for the production of spacer frames of insulated glazing being a tubular hollow profile comprising a double-walled profile wall having a closed outer wall and an inner wall connected to said closed outer wall, said closed outer wall being made of metal and said inner wall being made of plastic, wherein said closed outer wall has a wall thickness of 0.04 mm to 0.1 mm and said inner wall has a wall thickness of 0.15 mm to 0.5 mm, wherein the double-walled profile wall is produced by rolling deformation of a metal strip coated with a plastic strip, the metal strip having two lateral longitudinal edges that are adjacent to one another after rolling deformation, and wherein the spacer tube is welded in a longitudinal direction in a region of the two lateral longitudinal edges of the metal strip by a longitudinal weld seam.