| 摘要 |
The spring pusher comprises a resilient plastic band (1) having rectangular spaced perforations (7) aligned horizontally along the band. There are three folds (9a,9b,9c) between the perforations which enable a loop to be formed when the end of the band is folded over to make the perforations (7c,7a) coincide with a covering zone corresponding to these perforations. The three end perforations (7a,7b,7c) are arranged so that the band forms a complete end loop by being wound on itself with the covering zone.
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