| 摘要 |
<p>An apparatus (10) for manufacturing a filter element includes a first mould element (12) having a plurality of spaced parallel rib (14) defined thereon. A second mould element (18) is arranged in spaced alignment relative to the first mould element (12), the second mould element (18) carrying a plurality of spaced parallel ribs (22) displaceably thereon. A displacement means (24) which includes a cam arrangement (28) is mounted on the second mould element (18) for displacing the ribs (22) of the second mould element (18) sequentially towards the first mould element (12) such that, in use, when the ribs (22) of the second mould element (18) are displaced into meshing engagement with the ribs (14) of the first mould element (12), pleats or folds are formed in a sequential fashion in a batt of filter material arranged between the mould elements (12,18). The cam arrangement (28) comprises a plurality of cam members (32), a cam member (32) being associated with each rib (22) of the second mould element (18) and the cam members (32) having consecutively greater dwell angles to facilitate the sequential formation of the pleats or folds in the batt. <IMAGE></p> |
