FILTER FOR TIP AND THE TIP

摘要

PROBLEM TO BE SOLVED: To provide a filter for a tip which can enhance a preventive effect of an overflow while its air permeability is being maintained sufficiently and to provide the tip filled into the filter. SOLUTION: The filter for the tip comprises a porous body 2 holding a gassing agent used to generate a gas by moisture. It is preferable that the gassing agent is held inside the porous body 2. It is preferable that the gassing agent is powdery and that the gassing agent is sealed inside the porous body 2 by a heat seal. COPYRIGHT: (C)2003,JPO