Device for spraying workpieces with fluids on all sides for the purpose of cleaning or other surface treatment
DE690584C
z. B. short hollow or solid cylinder
DE708827C
Process for achieving uniform heating of elongated workpieces
DE675294C
Design of facilities for heat treatment and drying of goods equipped with goods carriers or discs
DE693522C
Method and device for the impregnation of particular objects
DE665164C
Gas-heated room air heater
DE667098C
Air heater
DE646696C
Centrifugal dust separator
DE651507C
Strand former for masses of pasty texture
DE669877C
Process for evenly heating long pipes by burning a gas-air mixture in the pipes
DE674362C
Pipe air preheater
DE683012C
Storage of the fixed hearth back for continuous ovens with vibrating beam conveyor
DE631495C
Method and device for sifting fine-grained or powdery material
DE616213C
Channel dryer for flat goods, especially cardboard
DE677419C
Continuous furnace with vibrating beam conveyor
DE601007C
Drying process in which the material is exposed to the action of a stream of air or dry gas
DE618452C
Discharge device for furnaces
DE632935C
Process and device for surface carbonization of iron and steel
DE646920C
Method for heating industrial furnaces, the furnace chambers of which have an essentially constant cross section, with fuel gas and furnace for carrying out the method
