| 摘要 |
1. The device for marking joints with a centre punch, in particular for screw joints of a detonator with a shell body, fitted with steel centre punches, consisting in that in the body (1) in perpendicular planes to its axis of symmetry on the right and left side from the shoulder segment, cylindrical sockets were made (2) and (3) connected lengthwise with runners (4) and (5) and in the sockets (3) made on the left side of the body (1), guides (6) are seated with centre punches (7) attached disjoinable in these guides, and in the sockets on the right side, retaining pins (8) are seated.<IMAGE>
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