Mixer for explosive materials

Claim 1

IN A MIXER; A BOWL ASSEMBLY; A MIXING CARRIER INCLUDING A SIDE WALL CLOSURE AND AN END WALL CLOSURE WITH AT LEAST A PAIR OF MIXER SHAFTS EXTENDING AXIALLY FROM SAID END WALL CLOSURE INTO SAID BOWL ASSEMBLY; ONE OF SAID SHAFTS BEING GENERALLY CENTRALLY DISPOSED IN SAID BOWL ASSEMBLY BUT OFF CENTER WITH RESPECT TO THE CENTER OF THE BOWL ASSEMBLY AND ANOTHER MIXER SHAFT BEING DISPOSED FURTHER RADIALLY OUTWARD THAN SAID FIRST SHAFT; MIXER MEMBERS ON SAID SHAFTS; MEANS FOR REVOLVING SAID CARRIER ABOUT AN AXIS OPERABLY CENTRALLY ALIGNED WITH THE CENTER OF SAID BOWL ASSEMBLY AND THEREBY MOVING SAID SHAFTS GENERALLY ORBITALLY ABOUT THE GENERAL CENTER OF THE BOWL ASSEMBLY; MOTION TRANSMISSION MEANS WITHIN SAID CLOSURES OF THE MIXING ASSEMBLY FOR REVOLVING SAID SHAFTS ABOUT THEIR AXES, WITH THE MIXER MEMBER ON THE GENERALLY CENTRAL SHAFT SWEEPING IN ITS PATH OF ROTATION ACROSS THE CENTER OF THE POWL ASSEMBLY AND THE MIXER MEMBER ON THE OTHER SHAFT SWEEPING IN ITS PATH OF ROTATION ADJACENT THE WALL OF THE BOWL ASSEMBLY; AND MEANS IN ENGAGEMENT BETWEEN THE CARRIER AND BOWL ASSEMBLY FOR SEALING THE BOWL ASSEMBLY FROM CONTAMINANTS.