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Joseph Evans
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Individual
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Individual
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Publication of GB191113062ApublicationCriticalpatent/GB191113062A/en
B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
B21J7/20—Drives for hammers; Transmission means therefor
B21J7/22—Drives for hammers; Transmission means therefor for power hammers
B21J7/24—Drives for hammers; Transmission means therefor for power hammers operated by steam, air, or other gaseous pressure
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Check Valves
(AREA)
Abstract
13,062. Evans, J. May 31. Check valves for pneumatic hammers and other pneumatic machines comprise a disk d of compressed leather notched at its periphery and reinforced by a plate e of metal having tangs f. The valve seats against a perforated plate a and is retained in position by a second perforated plate b having a radially channelled shoulder g.
GB191113062D1911-05-311911-05-31Improvements relating to Pneumatic Hammers and the like.
ExpiredGB191113062A
(en)
Improvements in Valve Operating Mechanism for use with Corliss Valves and other Valves which may be similarly Worked in Steam-engines and other Engines Worked by the Pressure and Expansion of Elastic Fluids.