Apparatus for measuring adhesion of coating, e.g. paint and varnish, applied to surface

摘要

The test block (12) by means of the piston (3) is exposed to a tractive force directed from the test surface (13). At least one support component (20) is arranged in the housing (2) free part (6) and enclosures the test block, acting as counterpiece against the actual test surface (13) during test. The support component comprises a mainly circular support ring (21) which via a pressure-transmitting component (22) transmits pressure forces between the housing and the support ring for producing an automatic position adjustment of the housing in relation to the test surface. At the same time, the support ring continuously exerts an evenly distributed pressure against the test surface during test.