| 摘要 |
<p>The infusion bag is for filling by the user, and has a sealing device for the filler opening, being particularly for tea. It has a wide opening, or one widening on filling, and the sealing device (3) is a separate and rigid component, typically a spring clip in the form of a closed strip. The faces of the strip bear against each other and are joined by loop portions at the ends, so it is merely necessary to pinch the ends between the fingers in order to release it. The clip is secured by a tag on the bag.</p> |
