DOUBLE FRET-SHAPED IMPROVED SHEATH FOR LAYING FLOORS AND/OR LININGS WITH TILES, PARQUET, MOQUETTE, WALL-PAPER, PANEL COATINGS AND THE LIKE, AS WELL AS THEIR QUICK PULLING AWAY IN CASE OF THEIR REPLACEMENT

摘要

A fret-shaped sheath for laying floors and/or linings and their following quick pulling away in case of replacement, including a fixed sheath (1) and a removable sheath (2) able to fit each other by their frets, wherein removable sheath is provided with means suitably disposed along the joint surfaces between the sheaths and able to form rooms close to said joint surfaces which are prevented from being filled with glue or mortar of cement in order to retain the capability of being deformed of the joint surfaces between the fixed sheath and the removable sheath.