| 摘要 |
A bag fastener with a fixing piece includes a locking piece insertable into a fastening body, such that the fastener does not unlock in use. When the unlocking the fastener from a locked condition, the locking piece is released and unlocked from the fastening body. Accordingly it is possible to use the fastener safely because it is not unlocked in use by natural forces, in contrast with known fasteners which are unlocked in use by natural forces acting on the fastener.
|
