Method for surface treating articles

Claim 1

A METHOD OF SURFACE TREATMENT OF MANUFACTURED ARTICLES WHICH COMPRISES ACCELERATING AND CONFINING LIQUID INTO A HIGH VELOCITY JET, SUPPLYING TO SAID JET AND ENTERING THEREIN A FLOW OF GRIT, THEREBY IMPARTING TO THE GRIT HIGH ENERGY FOR SURFACE REFORMING OF SAID ARTICLES AND ESTABLISHING A CONCENTRATED UNIDIRECTIONAL BLAST OF SAID GRIT AND SAID LIQUID DIRECTED INTO A BULK OF SAID ARTICLES, MOVING SAID ARTICLES IN CONTINUOUS SUCCESSION ALONG A PATH WHICH BRINGS THEIR SURFACES SUCCESSION INTO AND OUT OF SAID CONCENTRATED BLAST WHILE IT CONTINUES UNINTERRUPTED, WHEREBY THEY ARE SUBJECTED TO REFORMING BY SAID BLAST, WHEREBY THE FORCE AND ABRASIVE ACTION OF SAID BLAST IS EXERTED ON SAID ARTICLES FOR RE-FORMING BY SAID BLAST, MOVING THE ARTICLES TO SUCCESSIVELY DIFFERENT ORIENTATIONS WHILE SHIELDING ANY ADJACENT APPARATUS AND PERSONNEL FROM DIRECT ACTION OF THE BLAST BY INTERPOSED ARTICLES OF SAID BATCH.