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Priority claimed from GB8804797Aexternal-prioritypatent/GB2201748B/en
Application filed by Concentric Pumps LtdfiledCriticalConcentric Pumps Ltd
Publication of DK94489D0publicationCriticalpatent/DK94489D0/en
Publication of DK94489ApublicationCriticalpatent/DK94489A/en
Application grantedgrantedCritical
Publication of DK173441B1publicationCriticalpatent/DK173441B1/en
Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
A water pump drive wheel is shown in fig. 1 and is cast directly on to the shaft by first making a foam pattern of the pump drive wheel on the shaft and using this pattern to form a casting mould cavity, in which the foam is contained, and pouring the molten metal into the cavity in order to destroy the foam and form the pump drive wheel. <IMAGE>
DK94489A1988-03-011989-02-28Method for the manufacture of a water pump impeller
DK173441B1
(en)