| 摘要 |
A container is provided for holding taping mud. A progressive cavity rotary drive pump is located in the container and secured to the bottom of the container. The pump has an inlet in the container and an outlet. An outlet member is secured to the pump outlet and extends through the container on one side and has an outlet end extending upward. The pump has a rotary drive shaft for operating the pump. A rotary shaft is coupled to the drive shaft and extends through the container wall on an opposite side. An electrically operated drive is provided for operating the pump for pumping mud from the container into the taping gun when its inlet is coupled to the outlet end of the outlet member.
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