Explosive container with yieldable seal

Claim 1

A CONTAINER FOR EXPLOSIVES ADAPTED FOR INTERCONNECTION WITH LIKE CONTAINERS TO FORM AN EXPLOSIVE COLUMN ASSEMBLY, WHICH COMPRISES: (A) A THIN-WALL ELONGATED SUBSTANTIALLY CYLINDRICAL BLOWN PLASTIC CONTAINER HAVING EXPLOSIVE DISPOSED THEREIN THROUGHOUT THE MAJOR LENGTH OF THE CONTAINER AND HAVING A YIELDABLE SEAL WITHIN THE CONTAINER ADJACENT THE EXPLOSIVE, (B) A MALE COUPLING AND END CLOSURE ON ONE END OF THE CONTAINER, SAID MALE COUPLING HAVING AT LEAST ONE PERIPHERAL BEAD INTERRUPTED BY A PLURALITY OF LONGITUDINAL SLOTS EXTENDING A SUBSTANTIAL LENGTH OF THE MALE COUPLING, (C) A FEMALE COUPLING ON THE OTHER END OF THE CONTAINER, SAID FEMALE COUPLING HAVING A PLURALITY OF INTERRUPTED PERIPHERAL GROOVES COMPATIBLE WITH THE BEAD AND THE SLOTS OF THE MALE COUPLING, AND (D) LOCKING INDENTATIONS ASSOCIATED WITH THE MALE COUPLING AND THE FEMALE COUPLING AND THE END CLOSURE OF SAID MALE COUPLING HAVING PROTRUSION MEANS TO CONTACT AND TO FORCE THE YIELDABLE SEAL OF A LIKE CONTAINER INTO THE EXPLOSIVE ADJACENT THERETO SO THAT LIKE CONTAINERS OF EXPLOSIVE INTERCONNECTED BY SLIDABLE AND THEN ROTATABLE ENGAGEMENT OF THE BEADS AND THE GROOVES OF THE MALE AND FEMALE COUPLINGS AND LOCKED UPON ENGAGEMENT OF THEIR RESPECTIVE INDENTATIONS FORM AN EXPLOSIVE COLUMN ASSEMBLY HAVING THE END CLOSURES OF THE MALE COUPLINGS EXERTING COMPRESSIVE FORCE ON THE YIELDABLE SEALS AND ADJACENT EXPLOSIVE OF THE FEMALE COUPLINGS.