| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: blank of cartridge is fabricated. Further, a shank end out of cartridge bottom metal is preliminary formed. An extension of blade is fabricated out of a wall of the cartridge by preliminary forming. The end of the extension part of the blade is welded. The blade is finally punched to a required size. ^ EFFECT: upgraded quality and reliability of ready item without welding seams in structure of blade. ^ 9 cl, 3 dwg, 1 ex
|
