| 摘要 |
A method and apparatus for preparing a rod for use in the preparation of a smoking article are provided. The method comprises: (i) providing a starting material for forming said rod; (ii) providing a solid support for location within said formed rod; (iii) providing rod forming means comprising a channel ending in an open exit; (iv) providing an elongate passage having a distal portion terminating in an open distal end within said channel; (v) drawing said solid support through said elongate passage by contacting it with said travelling starting material in said channel; (vi) concurrently introducing an additive into said elongate passage at a rate sufficient to maintain a predetermined minimum volume in said distal portion—such that said travelling solid support is coated and/or impregnated by said additive by continuous immersion in said additive in said distal portion; and (vii) allowing said formed rod comprising said solid support coated and/or impregnated by additive to exit from said open exit of said channel.
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