DK94489A - PUMP DRIVE WHEEL - Google Patents

PUMP DRIVE WHEEL

Info

Publication number
DK94489A
DK94489A DK94489A DK94489A DK94489A DK 94489 A DK94489 A DK 94489A DK 94489 A DK94489 A DK 94489A DK 94489 A DK94489 A DK 94489A DK 94489 A DK94489 A DK 94489A
Authority
DK
Denmark
Prior art keywords
drive wheel
pump drive
foam
shaft
pattern
Prior art date
Application number
DK94489A
Other languages
Danish (da)
Other versions
DK173441B1 (en
DK94489D0 (en
Inventor
Richard Robert Freeman
Original Assignee
Concentric Pumps Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB8804797A external-priority patent/GB2201748B/en
Application filed by Concentric Pumps Ltd filed Critical Concentric Pumps Ltd
Publication of DK94489D0 publication Critical patent/DK94489D0/en
Publication of DK94489A publication Critical patent/DK94489A/en
Application granted granted Critical
Publication of DK173441B1 publication Critical patent/DK173441B1/en

Links

Landscapes

  • 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>
DK94489A 1988-03-01 1989-02-28 Method for the manufacture of a water pump impeller DK173441B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8804797A GB2201748B (en) 1987-03-05 1988-03-01 Chain conveyor drive
GB8804797 1988-03-01

Publications (3)

Publication Number Publication Date
DK94489D0 DK94489D0 (en) 1989-02-28
DK94489A true DK94489A (en) 1989-09-02
DK173441B1 DK173441B1 (en) 2000-11-06

Family

ID=10632611

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94489A DK173441B1 (en) 1988-03-01 1989-02-28 Method for the manufacture of a water pump impeller

Country Status (1)

Country Link
DK (1) DK173441B1 (en)

Also Published As

Publication number Publication date
DK173441B1 (en) 2000-11-06
DK94489D0 (en) 1989-02-28

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed