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, (C) A FEMALE COUPLING ON THE OTHER END OF THE CONTAINER, SAID FEMALE COUPLING HAVING AT LEAST ONE PERIPHERAL BEAD COMPATIBLE WITH THE BEAD OF THE MALE COUPLING, AND (D) THE MALE COUPLING HAVING A REDUCED EXTERNAL DIAMETER RELATIVE TO THE INTERNAL DIAMETER OF 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 SLIDABLY INTERCONNECTED BY YIELDING ENGAGEMENT OF THE BEADS THEREOF TO FORM AN EXPLOSIVE COLUMN ASSEMBLY HAVE THE END CLOSURES OF THE MALE COUPLINGS EXERTING COMPRESSIVE FORCE ON THE YIELDABLE SEALS AND ADJACENT EXPLOSIVE OF THE FEMALE COUPLINGS.