Port apparatus for extracting materials from radioactive enclosures

Claim 1

IN PORT APPARATUS FOR EXTRACTING MATERIALS FROM A CONTAMINATED HAZARDOUS ENVIRONMENT WITHIN AN ENCLOSURE INCLUDING A WALL DEFINING AN APERTURE THERETHROUGH, THE COMBINATION COMPRISING: (A) A GENERALLY CYLINDRICAL ELONGATED TUBULAR SLEEVE DISPOSED IN SAID APERTURE AT AN ANGLE INCLINED TO THE VERTICAL AXIS, WITH THE EXTERIOR SURFACE MOUNTED IN SEALED RELATION TO SAID WALL, WITH A FIRST END OPENING UPWARDLY INTO SAID ENVIRONMENT AND A SECOND END OPENING DOWNWARDLY OUTSIDE SAID ENCLOSURE, AND WITH A FIRST INWARDLY PROJECTING RIDGE PORTION PROXIMATE SAID FIRST END, AND A SECOND RIDGE PORTION DOWNWARDLY THEREFROM ON INTERIOR SURFACES OF SAID SLEEVE, HAVING CIRCUMFERENTIAL SHOULDER PORTIONS IN SPACED GENERALLY PARALLEL RELATION AND DEFINING, WITHE ENLARGED CIRCUMFERENTIAL SLEEVE WALL SURFACES THEREBETWEEN, A RECESSED GROOVE, THE SHOULDER OF SAID SEOND RIDGE HAVING A SMALLER INSIDE DIAMETER THAN SAID FIRST SHOULDER; (B) CONTAINER MEANS HAVING AT LEAST A GENERALLY CYLINDRICAL TUBULAR MOUTH PORTIONS DISPOSDED IN SAID SLEEVE, AND CLOSED CONTAINER PORTIONS PROJECTING OUTWARDLY FROM THE SECOND END OF SAID SLEEVE; (C) A SEAL SHIELD COMPRISING A GENERALLY ANNULAR TUBE OF FLEXIBLE RESILIENT MATERIAL HAVING AT THE UPPER END AN OUTWARDLY FLANGED ANNULAR RIB PORTION DEFORMABLE FOR INSERTION WITHIN SAID SECOND END OF SAID SLEEVE TO ENTER AND FIT WITHIN SAID RECESSED GROOVE, AND AN ELONGATED TUBULAR SKIRT PORTION OF LESSER DIAMETER THAN SAID RIB PORTION, EXTENDING DOWNWARDLY TO FIT WITHIN SAID ENGAGE INTERIOR SURFACES OF THE MOUTH OF SAID CONTAINER TO SEAL AND SUPPORT SAID CONTAINER IN ENGAGEMENT WITH SAID SLEEVE AND TO SHIELD MOUTH PORTIONS OF SAID CONTAINER FROM CONTAMINATION, AND WITH THE LOWER END OF SAID ANNULAR RIB PORTION DEFINING A CIRCUMFERENTIAL SHOULDER ABUTTING SAID SECOND RIDGE SHOULDER OF SMALLER DIAMETER AND THEREBY PROVIDE SELECTIVE RETENTION OF SAID SEAL SHIELD AGAINST WITHDRAWAL THROUGH SAID SECOND SLEEVE END.