Explosive package |
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| 申请号 | US3791297D | 申请日 | 1972-11-30 | 公开(公告)号 | US3791297A | 公开(公告)日 | 1974-02-12 |
| 申请人 | CA IND LTD; | 发明人 | MCKEE J; | ||||
| 摘要 | A thermoplastic film package containing a blasting explosive is provided having particular utility in secondary blasting operations. The package is especially suitable for aqueous slurry blasting agents which are filled through a self-closing valved opening. The package is also provided in the form of a train of detachably connected side-by-side packages. | ||||||
| 权利要求 | 1. A blasting explosive package suitable for use in secondary blasting comprising a rectangular valve bag made from heatsealable thermoplastic film and consisting of a back wall and a front wall, each made of two-ply panels partially overlapping each other, the said front and back panels being joined along their entire periphery, said panels in their common area of overlap being sealed together in such a manner as to form a tubular dual-valved self-closing opening extending transversely of the bag, said self-closing opening being of such a diameter as to allow the insertion therein of a filling spout, and a blasting explosive composition contained in said rectangular valve bag. 2. An explosive package as claimed in claim 1 wherein the thermoplastic film is polyethylene film. 3. An explosive package as claimed in claim 1 wherein the blasting explosive comprises an ammonium nitrate/fuel oil explosive. 4. An explosive package as claimed in claim 1 wherein the blasting explosive comprises an aqueous slurry explosive. 5. Explosive packages as claimed in claim 1 detachably connected together in side-by-side relationship. |
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