提供防泄漏且通风良好的吸管饮水杯。
专利摘要
一种吸管饮水杯，包括容器和柔性吸管，该柔性吸管具有第一饮用端和设置在容器内的第二端。有利地，该杯包括吸管定位机构，其确保柔性吸管的第一饮用端将保持向上定向，以最小化泄漏的可能性，无论吸管定位机构是处于打开位置、关闭位置还是在两者之间的移动过程中。该吸管饮水杯还包括有利的通风机构，其包括柔性膜，该柔性膜仅当在膜两侧形成足够的压差时才允许空气流入容器，例如当消费者吸吮柔性吸管时会发生的情况。通风机构还操作以防止从容器泄漏，因为将不存在足够的压力来吸引任何液体穿过柔性膜。
Original abstractA straw drinking cup includes a container and a flexible straw having a first, drinking, end and a second and that is disposed within the container. Advantageously, the cup includes a straw positioning mechanism that ensures that the first, drinking end of the flexible straw will remain upwardly oriented to minimize the possibility of leakage, regardless of whether the straw positioning mechanism is in the open position, the closed position, or in transit between the two positions. The straw drinking cup further includes an advantageous venting mechanism that includes a flexible membrane that permits air to flow into the container only when a sufficient pressure differential is developed across the membrane, such as will occur when a consumer is sucking on the flexible straw. The venting mechanism further operates so as to prevent leakage from the container, as sufficient pressure will not exist to draw any liquid across the flexible membrane.
专利附图（8）
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