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Status : Active
Standard Type : Main
Document No : ISO/TR 9172:1987
Document Year : 1987
Pages : 16
Edition : 1
Section Volume : Continuous mechanical handling equipment (ISO/TC 101.)
Gives examples of the kinds of hazards associated with screw conveyors at danger points, in particular trapping and shearing points located between the moving screw and the fixed parts of the conveyor or surrounding structures. Describes different safety devices, illustrated by examples of design sheets, capable of meeting the general safety requirements.