Stator coating

Claim 1

A METHOD OF COATING WITH A SINTERABLE MATERIAL A PART OF THE WALLS OF TEETH DEFINING A MULTIPLICITY OF WINDING-RECEIVING SLOT OF A STATOR CORE, SAID TEETH BEING SPACED TO DEFINED FOR EACH SLOT A WINDING-RECEIVING AREA TO BE COATED AND, RADIALLY INWARDLY THEREOF, A RELATIVELY NARROW GAP OPENING INTO THE BORE OF THE CORE, SAID METHOD COMPRISING INSERTING IN EACH OF SAID GAPS A SPLINE THROUGH THE FULL RADICAL REACH OF SAID GA;, SAID SPLINE HAVING SIDE WALLS SPACED FROM THE GAP-DEFINING WALLS OF THE TEETH SUFFICIENTLY TO ADMIT GAS THEREBETWEEN; FORCING GAS UNDER PRESSURE ALONG AND PAST THE SAID SIDE WALLS OF SAID SPLICE, THEREBY FORMING A KINETIC MASK ALONG THE GAP-DEFINING MATERIAL IN THE FORM OF PARTICLES IN A SINTERABLE COATING MATERIAL IN THE FORM OF PARTICLES IN A GAS MEDIUM INTO THE WINDING-RECEIVING AREA OF SAID SLOT WHILE MAINTAINING THE SAID KINETIC MASK; THEREAFTER STOPPING THE INTRODUCTION OF PARTICULATE COATING MATERIAL TO THE WINDING-RECEIVING AREA OF SAID SLOT, DEPOSITING SAID COATING MATERIAL ON THE UNMASKED AREA OF SAID REDINING-