| 摘要 |
A tooth construction for a mineral breaker, the tooth construction including a tooth shaped support body covered by a shell on which is mounted a breaking tip formation to define the outer shape of the tooth construction; the support body having a front face, an opposed rear face, and a pair of opposed side faces extending therebetween; the shell being composed of a cover formation defining a front wall, opposed side walls, and a top wall overlying and seated in face to face contact with respective front, side and top faces of the support body; the breaking tip formation comprising a pick formation presenting a rear surface in face to face contact with and secured upon the front wall of the cover so as to project forwardly therefrom and a top formation extending rearwardly of the pick formation and presenting a lower surface in face to face contact with and secured upon the top wall of the cover. |
