seal lip

基本解释

The utility model has a main point that the other side of the main oil seal surface is also provided with an oil seal lip.
本实用新型的要点是：在主封油面的另一侧还有一个封油唇口。
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In use process of the nozzle, free end of the seal lip is shocked by environment pressure, so leans against exterior surface of the inner joint member for providing seal.
在吸嘴的使用过程中，密封唇的自由端受环境压力冲击，从而抵靠在内部接头件的外表面上，以便提供密封。
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An adhesive side of the seal lip and a stamp-attached zone on the bag are provided with an adhesive layer covered with an adhesive paper for holding adhesiveness of the adhesive.
封口舌的粘封侧和囊袋上的邮票附具区涂覆有粘胶层，粘胶层上覆盖有保持粘胶粘性的胶纸。
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