ELDRÖR SAMT METOD FÖR TILLVERKNING AV ELDRÖR

Patentradars sammanfattning

BAE Systems Bofors AB discloses a manufacturing method for elongated gun barrels targeting artillery calibers of 105–155 mm, wherein a conventionally manufactured rifled barrel section is joined to a lightweight smooth-bore extension tube via friction welding, with a centering device ensuring coaxial alignment. The extension tube may feature wire winding (filament reinforcement) to provide prestress and structural integrity while minimizing weight and the risk of barrel droop. After welding, the bore is honed at the junction to ensure a smooth transition. The invention also covers the resulting barrel assembly and any launching device (cannon/howitzer) incorporating it.

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