| 摘要 |
<p>Shotgun cartridge consists of a plastic case body (1) closed in the front by a closing ring (2) pressed into the case body (1) about the depth of a offset (3) in the range of 4-8 mm, and by narrowing of the front case body (1) about 2 to 4 mm at an angle (?) is between 30 and 50 degrees. Pressing of the closing ring (2) about the depth of a offset (3) to the plastic case body (1) allows us to slope the front of the cartridge at an angle (?) without the deformation the closing ring (2), which, thanks the offset (3) is located outside the narrow front of the cartridge.</p> |
