DRINKING STRAW AND METHOD AND DEVICE FOR MANUFACTURING A DRINKING STRAW

摘要

The invention relates to a drinking straw which is a thermoplastic tube having a first end and a second end comprising: - a first tubular end portion adjacent the first end and defining a single passage; - a first branched portion spaced from the first end and defining at least two parallel passages in fluid communication with the single passage of the first tubular end portion; - a second tubular end portion adjacent; the second end and defining a single passage; - a second branched portion spaced apart from the second end and defining at least two parallel passages being in fluid communication with the single passage of the second tubular end portion; and - a hollow elongate middle portion providing fluid communication between the parallel passages of the first branched portion and the parallel passages of the second branched portion; and - a filler in the middle portion, said filler containing ah active ingredient releasable in liquid drawn through the straw; the parallel passages of the first and second branched portions being defined by neighbouring recesses formed in the tube and an inner seam connecting the neighbouring recesses; and the filler and the parallel passages being sized to prevent the filler from passing through the parallel passages of the first and second branched portions. The invention further relates to a method and a device for manufacturing such a drinking straw.