GB744858A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improvements in valves
Assignee: Girdlestone Pumps Ltd
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Filing: 1953-07-29
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Granted: —
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Expires: 1973-07-29
Abstract
Abstract 744,858. Valves. GIRDLESTONE PUMPS, Ltd. July 29, 1954 [July 29, 1953], No. 21010/53. Class 135. A valve, e.g. for the outlet of a diaphragm pump, comprises an annular seat 3 which is either a magnet itself or has a magnet or magnets associated therewith, and a closure ball of magnetic material, e.g. iron. Both the seat and the ball may be coated with a non-magnetic, resilient material such as polyethylene. The movement of the ball is limited by a bar 9.
Inventors
- 👤 Geoffrey Francis Bedford
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-22 19:29
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/08; F16K31/084; F16K15/00; F16K15/02; F16K15/04
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