| 摘要 |
Disclosed herein is an apparatus for forming and planting fastener elements comprising a ram mounted on a frame for reciprocal movement and having a cutting die provided with a passage for a wire to be used for elements and a forming die for forming an engageable head in an element, a cutting punch for cutting out an element from the wire, a forming punch for forming the engageable head in cooperation with the forming die and at least one side punch for planting the element on a fastener tape. The apparatus is characterized in that cam means for driving the ram, forming punch and side punch are formed on a common output drive shaft and arranged so that the ram dwells for a predetermined time at the end of each forward and backward movement and the side punch secures the element to the tape during the dwell of the ram at the end of its forward movement and the forming punch is actuated during the dwell of the ram at the end of its backward movement. |
