| 摘要 |
A strip of packets containing bulk material which may be powdered, granular, beaded, or the like, the strip being formed from a heat-fusible material, each of the packets including a wall and fused end portions for confining the bulk material, and a fused seam extending longitudinally of the strip of packets and being located in a wall of each packet and extending through the fused end portions of the packets, and perforations extending through the end portions and the portion of the fused seam thereon, with each of the perforations being bounded by a fused section of material which is grommet-like in form.
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