Measurement of gases in metals

Claim 1

APPARATUS FOR USE WITH A THERMAL CONDUCTIVITY MEASURING DEVICE IN DETERMINING THE AMOUNT OF OCCLUDED GAS IN A METAL SPECIMEN COMPRISING: A HEATING CHAMBER AND MEANS FOR HEATING A SPECIMEN IN THE HEATING CHAMBER TO CAUSE THE SPECIMEN TO EVOLVE ITS OCCCLUDED GAS; OUTLET PASSAGE MEANS ADAPTED TO CONNECT SAID HEATING CHAMBER TO A DEVICE FOR MEASURING THE THERMAL CONDUCTIVITY OF A GAS; LOADING MEANS AND A PASSAGE CONNECTING SAID LOADING MEANS WITH SAID HEATING CHAMBER, SAID LOADING MEANS COMPRISING A HOUSING AND A BODY WHICH IS ROTATABLE WITHIN SAID HOUSING BETWEEN A LOADING POSITION AND A DISCHARGE POSITION AND WHICH INCLUDES A LOADING CHAMBER, SAID HOUSING HAVING A FIRST APERTURE FOR THE INTRODUCTION OF A SPECIMEN INTO SAID LOADING CHAMBER IN THE LOADING POSITION OF SAID BODY AND A SECOND APERTURE CONNECTED THROUGH SAID PASSAGE TO SAID HEATING CHAMBER FOR THE DISCHARGE OF SAID SPECIMEN INTO SAID PASSAGE AFTER THE ROTATION OF SAID BODY INTO ITS DISCHARGE POSITION, SAID LOADING CHAMBER BEING ISOLATED FROM SAID OUTLET PASSAGE MEANS WHEN SAID BODY IS IN SAID LOADING POSITION AND ISOLATED FROM THE ATMOSPHERE WHEN SAID BODY IS IN SAID DISCHARGE POSITION; SAID APPARATUS FURTHER COMPRISING MEANS FOR MOVING SAID LOADING CHAMBER AND SAID PASSAGE IN A FIRST SENSE TO PERMIT SAID SPECIMEN TO SLIDE UNDER GRAVITY FROM SAID BODY WHEN IN ITS DISCHARGE POSITION TO SAID HEATING CHAMBER AND IN A SECOND SENSE TO RETURN SAID SPECIMEN TO SAID CHAMBER FOR REMOVAL WHEN THE DETERMINATION HAS BEEN CARRIED OUT; MEANS FOR SUPPLYING A STREAM OF CARRIER GAS TO SAID LOADING CHAMBER WHEREBY WHEN SAID BODY IS IN SAID LOADING POSITION CARRIER GAS IS FLUSHED THROUGH SAID LOADING CHAMBER AND WHEN SAID BODY IS IN SAID DISCHARGE POSITION THE CARRIER GAS IS GUIDED OVER THE HEATED SPECIMEN, AND THEN CARRYING OCCLUDED GAS, IS GUIDED THROUGH SAID OUTLET PASSAGE MEANS.