TILLVERKNING AV FIBRER MED HJELP AV GASSTROMMAR MED BESPARING AV ENERGI
The process of manufacture of fibres from a mineral thermoplastic substance employs a main gas stream (27) and a secondary gas jet (29). The section of the secondary jet is smaller than that of the main stream but the kinetic energy per unit volume of the secondary jet is higher than that of the mai...
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