摘要 |
PCT No. PCT/GB90/01277 Sec. 371 Date Apr. 14, 1992 Sec. 102(e) Date Apr. 14, 1992 PCT Filed Aug. 14, 1990 PCT Pub. No. WO91/02939 PCT Pub. Date Mar. 7, 1991.The invention provides a linear explosive cutting or fracturing charge comprising a plurality of elements connected together for articulation. Each element comprises a body portion (1) defining a recess (9) for containing explosive material and connecting means (2) whereby a plurality of elements can be connected together for articulation. |