20110056581 | CONSTRUCTION INDUSTRY PIPE FOR CONDUCTING FLUID MEDIUM HAVING RIGID SECTIONS ALTERNATING WITH FLEXIBLE SECTIONS - The invention relates to a construction industry pipe for use in the construction industry, such as for example a drain pipe or a central vacuum cleaner pipe or the like, comprising a tubular body having a substantially non-collapsible outer wall comprising rigid sections alternating with corrugated flexible sections. The invention further relates to a method for manufacturing such a pipe, which involves the technique of blow/vacuum moulding, and a method for installing a conduit system comprising such a pipe. | 03-10-2011 |