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Screw pump for delivery of viscous materials, in particular, sound absorbing plaster comprises a hose accommodating a conveyor screw which consists of a hardened metal and is rotated by a motor
Screw pump for delivery of viscous materials, in particular, sound absorbing plaster comprises a hose accommodating a conveyor screw which consists of a hardened metal and is rotated by a motor
The screw pump (10) for delivery of viscous materials, in particular, sound absorbing plaster comprises a hose (24) accommodating a conveyor screw (22) which consists of a hardened metal and is rotated by a motor (14).
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