| 摘要 |
The method involves mutually fixing the inner layers aligned parallel to the main plane of the packet by stamping the small plates forming the inner layers to bend at least one tongue out of each small plate that protrudes into the corresponding aperture formed in the next small plate by bending out the tongue to form a shape-locking connection between the small plates. AN Independent claim is also included for an arrangement for implementing the inventive method. |
