| 摘要 |
<p>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.</p> |
