The metal-plastic composite nut, according to Claim 1 and 2, is characterized in that the inner surface at one end of metal insert is cone-shaped sealing surface.
根据权利要求1或2所述的金属塑料复合螺帽，其特征在于所述金属嵌件一端部的内表面为锥形的密封面。
2
The simplified formula of ultimate tension load is obtained in view of mix plastic-cone tension failure mode of the M10 plastic embedded part.
针对M 10型预埋件的塑胶-锥体复合拉伸破坏形态，得出极限拉伸荷载的简化计算公式。
3
In the 1980s, the first air intake systems were offered and consisted of molded plastic intake tubes and a cone-shaped cotton gauze air filter.