초록

A closure for a container having a foil or membrane sealed opening. The closure includes a cap, a spout and a stem. The stem includes a downwardly extending piercing structure adapted for piercing the foil or membrane of the container upon rotation of the spout relative to the cap.

대표청구항 ▼

A closure for a container having a foil or membrane sealed opening. The closure includes a cap, a spout and a stem. The stem includes a downwardly extending piercing structure adapted for piercing the foil or membrane of the container upon rotation of the spout relative to the cap. t al., 029/469.5;

A closure for a container having a foil or membrane sealed opening. The closure includes a cap, a spout and a stem. The stem includes a downwardly extending piercing structure adapted for piercing the foil or membrane of the container upon rotation of the spout relative to the cap. t al., 029/469.5; US-5307606, 19940500, Weder, 053/410; US-5315785, 19940500, Avot et al., 047/072; US-5335475, 19940800, Weder et al., 053/397; US-5350240, 19940900, Billman et al., 383/104; US-5353575, 19941000, Stepanek, 053/461; US-5361482, 19941100, Weder et al., 029/469; US-5388695, 19950200, Gilbert, 206/423; US-5410856, 19950500, Weder et al., 053/397; US-5428939, 19950700, Weder et al., 053/397; US-5443670, 19950800, Landau, 156/191; US-5493809, 19960200, Weder et al., 047/072; US-D368025, 19960300, Sekerak et al., D09/305; US-5496251, 19960300, Cheng, 493/224; US-5496252, 19960300, Gilbert, 493/224; US-5526932, 19960600, Weder, 206/423; US-5551570, 19960900, Shaffer et al., 206/575; US-5572849, 19961100, Weder et al., 053/399; US-5572851, 19961100, Weder, 053/399; US-5595048, 19970100, Weder et al., 053/399; US-5617703, 19970400, Weder, 053/413; US-5624320, 19970400, Martin