| 摘要 |
A drinking straw includes a generally elongate tube having a sidewall defining an internal bore, wherein one end of the straw is provided with a piercing projection formed from a portion of the sidewall and reinforced by a folded portion of the sidewall. The straw is manufactured from an elongate tube on which a piercing projection is formed at one end by folding a portion of the sidewall at that end to reinforce the projection. |
