Expanded joint strip has two material stocks which are formed by multi plastic film with corrugated structure wherein shaft runs transverse to longitudinal direction of expanded joint strip

摘要

Expanded joint strip has raising blade (10) and a compressible coating whereby a base (28) is formed by sides in opposite lower bent ends of two material stocks (12) of the raising blade. The both material stocks are formed by a multi plastic film with corrugated structure wherein shaft (16) runs transverse to the longitudinal direction of expanded joint strip.