Pneumatically sealable enclosure for electrical conduit splices

Claim 1

A PNEUMATICALLY SEALED ENCLOSURE FOR RECEIVING THE ENDS OF ELECTRICAL CONDUITS AND THE LIKE, COMPRISING A LONGITUDINALLY-SPLIT SEALABLE CYLINDRICAL CASING HAVING MEANS WITHIN AND ADJACENT TO EACH OF ITS LONGITUDINAL ENDS TO RETAIN AND SPACE APART A PAIR OF END WALL PANELS EACH END WALL PANEL INCLUDING TWO SEMI-CIRCULAR DISC PORTIONS HAVING ROUNDED OUTER EDGES AND INNER EDGES INCLUDING ALIGNED CUT-OUTS THEREALONG, WHEREBY SUCH CONDUITS MAY ENTER SAID CASING THROUGH SAID ALIGNED CUT-OUTS, AND INFLATABLE SEAL MEANS CONFINED BETWEEN EACH OF SAID PAIRS OF PANELS OF SAID END WALLS AND HAVING OPENINGS ALIGNED WITH SAID PANEL OPENINGS, SAID INFLATABLE MEANS BEING EXPANDABLE, WHEN SO CONFINED, AGAINST SUCH CONDUITS PASSED THROUGH SAID END WALL OPENINGS, CHARACTERIZED IN THAT SAID END WALLS ARE REMOVABLE FROM THE SAID MEANS TO RETAIN THEM, AND SAID SEMI-CIRCULAR DISC PORTIONS ARE PIVOTALLY PINNED TO EACH OTHER WITH THEIR CUT-OUTS PRESENTED TOGETHER TO FORM SAID OPENINGS OF SAID PANELS, WHEREBY SAID SEMI-CIRCULAR DISC PORTIONS MAY BE PIVOTALLY OPENED APART FOR PLACEMENT ABOUT SAID CONDUITS.