LOW ENERGY FUSE AND METHOD FOR ITS MANUFACTURE

专利名称：LOW ENERGY FUSE AND METHOD FOR ITS

MANUFACTURE

发明人：ANDERSSON, Lars,DANERTZ, Karl-Erik,JIDESTIG, Göran

申请号：EP94901101.0申请日：19931110公开号：EP0670824A1公开日：19950913

摘要：PCT No. PCT/SE93/009 Sec. 371 Date Jun. 21, 1995 Sec. 102(e) Date Jun. 21,1995 PCT Filed Nov. 10, 1993 PCT Pub. No. WO94/11324 PCT Pub. Date May 26, 1994Alow energy fuse, comprising a plastic tube with a channel, the channel containing areactive material able upon ignition to sustain a shock wave within the channel, the tubecomprising at least two layers of plastic materials, a first plastic layer closer to thechannel and a second plastic layer outside the first layer, at least the second layercontaining a major amount of draw orientable polymer resin. The polymer in the secondlayer is axially oriented to an orientation degree (as defined) of more than 25% and lessthan 90% and that the polymer of the first layer has an axial orientation degree notexceeding 10% orientation degree units more than that of the second layer. The tube canbe manufactured by a) forming, by extrusion of the first layer plastic, the first layer in theform of a tube, b) introducing the reactive material in the tube channel, c) limitingstretching of the first layer to give a low degree of orientation, not exceeding 10% (asdefined), d) forming, by extrusion of the second layer plastic, the second layer around thefirst tube, while the first layer have said low degree of orientation, and e) cold-stretching

the first and second layers together.

申请人：NITRO NOBEL AB

地址：Gyttorp S-713 82 Nora SE

国籍：SE

代理机构：Larsson, Kjell, et al

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