Hoppers

Hoppers are used for the temporary storage of materials. They are designed so that stored material can be dumped easily. There are many different types of hoppers, dumpers, and tippers. Examples include bottom hoppers, live hoppers, cropper hoppers, cullet hoppers, and sludge hoppers; dump boxes, chip boxes, trash boxes, and scrap boxes; and various types of refuse equipment. Bottom hoppers are designed so that stored materials can be dumped from the bottom of the hopper. Dumpers and self-dumping hoppers are included in this category. Live hoppers or live-bottom hoppers use hydraulically or mechanically actuated augers or screws to help discharge viscous materials. Some hoppers have a base that allows them to be lifted by forklift for dumping. Others have a positive locking-latch mechanism to prevent accidental dumping. Tilt hoppers, dewatering boxes, and rotating or rotator boxes may also provide special features.