Immersion sampler

Claim 1

AN IMMERSION SAMPLER SUITABLE FOR OBTAINING SAMPLES OF MOLTEN METAL FROM A SLAG COVERED MOLTEN METAL BATH, COMPRISING A HOLLOW REFRACTORY CLYINDRICAL MEMBER HAVING COMMUNICATING UPPER AND LOWER OPENINGS, THE UPPER OPENING ENLARGING SUBSTANTIALLY IN CROSS-SECTION A SHORT DISTANCE FROM THE UPPER END INTO THE LOWER OPENING, THERE BEING AN INTERIOR LONGITUDINALLY DISPOSED SURFACE ADJACENT THE UPPER OPENING, WHERE SAID UPPER OPENING ENLARGES, A METAL MEMBER HAVING AN UPPER CUP-LIKE CAVITY DISPOSED WITHIN THE LOWER OPENING AND HAVING A SURFACE PORTION IN CONTIGUOUS CONTACT WITH THE LONGITUDINAL SURFACE, THE CAVITY IN THE METAL MEMBER BEING IN COMMUNICATION WITH THE UPPER OPENING, A REFRACTORY PLUG MEMBER DISPOSED IN AND CLOSING THE LOWER OPENINGS, A FACE OF SAID PLUG MEMBER BEING CONTIGUOUS WITH THE CUP-SHAPED MEMBER, AND AN UPPER PLUG MEMBER COMPOSED OF A BURNABLE MATERIAL DISPOSED IN AND CLOSING THE UPPER OPENING, THERE BEING DEOXIDIZING MATERIAL FOR THE MOLTEN METAL CARRIED BY SAID SAMPLER WITHIN THE UPPER OPENING AJDACENT SAID UPPER PLUG MEMBER.