Flow seal systems

Claim 1

IN A SEALING SYSTEM, A CHAMBER IN WHICH A CHEMICAL REACTION IS TO TAKE PLACE, A FIRST PUMP, A VESSEL, A Y-TUBE HAVING FIRST AND SECOND ARMS EXTENDING UPWARD AND A STEM EXTENDING DOWNWARD FROM THE TUBE JUNCTURE, THE ARMS LEADING RESPECTIVELY TO THE CHAMBER AND PUMP, THE STEM BEING CONNECTED TO THE VESSEL, A FUSIBLE SOLID SEALANT IN THE VESSEL AND STEM AND ENTIRELY BELOW THE ARMS, A SECOND PUMP LEADING TO THE VESSEL OVER THE SEALANT OUTSIDE THE STEM, MEANS FOR ACTIVATING THE FIRST PUMP TO ESTABLISH A DESIRED PRESSURE IN THE CHAMBER, MEANS FOR ACTIVATING THE SECOND PUMP TO ESTABLISH SUBSTANTIALLY THE SAME PRESSURE ON THE SEALANT IN THE VESSEL OUTSIDE THE STEM, A FIRST HEATER FOR MELTING THE SEALANT, MEANS FOR ACTIVATING THE HEATER, MEANS FOR INCREASING THE PRESSURE ON THE MOLTEN SEALANT OUTSIDE FOR THE STEM JUST ENOUGH TO FORCE MOLTEN SEALANT FROM THE STEM INTO BOTH ARMS TO A PREDETERMINED LEVEL AT WHICH THE SEALANT WILL SEAL THE FIRST PUMP FROM THE CHAMBER, A SECOND HEATER DISPOSED ADJACENT ONE OF THE ARMS AT SAID PREDETERMINED LEVEL, THE FIRST HEATER EXTENDING ALONG THE VESSEL AND TUBE SUBSTANTIALLY TO SAID PREDETERMINED LEVEL, MEANS FOR INACTIVATING THE FIRST HEATER AND ACTIVATING THE SECON HEATER TO ENABLE ALL OF THE SEALANT EXCEPT THE TOP PORTION OF THE SEALANT IN SAID ONE ARM TO RESOLIDIFY, MEANS FOR INCREASING THE PRESSURE OVER THE SEALANT IN SAID ONE ARM, MEANS OPERATIVE AFTER COMPLETION OF THE REACTION IN THE CHAMBER FOR SUBSTANTIALLY EQUALIZING THE PRESSURE OVER THE SEALANT IN SAID ONE ARM AND THE PRESSURE OVER THE SEALANT IN THE VESSEL OUTSIDE THE STEM WITH THE PRESSURE IN THE CHAMBER, THE FIRST HEATER BEING REACTIVATABLE TO REMELT THE SOLID SEALANT TO ENABLE THE SEALANT TO GRAVITATE AND THUS UNSEAL THE CHAMBER AND PUMP FROM EACH OTHER, THE FIRST HEATER BEING REINACTIVATABLE TO ALLOW THE SEALANT TO RESOLIDIFY IN PREPARATION FOR ANOTHER CYCLE, AND MEANS OPERATIVE AFTER THE LATTER RESOLIDIFICATION FOR ESTABLISHING AMBIENT ATMOSPHERIC PRESSURE IN THE CHAMBER.