Manufacturing valve plate units for sliding gate valves

Details Manufacturing valve plate units for sliding gate valves Manufacturing valve plate units for sliding gate valves

B - Operations, Transporting

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D

26/162

B21D 39/00 (2006.01) B22D 41/34 (2006.01)

Patent

CA 1237881

23813/137 ABSTRACT A method of manufacturing a valve plate unit for a sliding gate valve includes providing a refractory valve plate with at least one recess in its periphery, placing a metallic hoop around the periphery of the plate and pressing a portion of the hoop into the or each recess and thereby permanently plastically deforming it. The or each said portion of the hoop is pressed into the respective recess by such a distance that the distance between it and an opposed portion of the hoop, which is preferably itself deformed into a recess, has a predetermined value. PA 3407 KXR/Gi/Le

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