abstract |
A wiper comprises a rod ( 20 ), a wiping body ( 30 ) provided at one end of the rod and an outer packing; the rod ( 20 ) is of elasticity, the outer packing is a tube-like container ( 10 ) having both ends closed permanently and an easy break-off mark ( 13 ) provided on the tube wall; the wiper is firm, airtight and capable of being opened easily, and can be used conveniently and rapidly; the rod and the tube-like container are made from thermoplastic materials by technologies such as extruding, injection-molding and the like, both ends of the tube-like container are closed through fusion, mechanical seal and other manners, and the wiper has a simple production technology and is suitable for mass production and wide application. |