Legal status (The legal status 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 status listed.)
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CLARENCE A CUMMINGS
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CLARENCE A CUMMINGS
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Filing date
Publication date
Application filed by CLARENCE A CUMMINGSfiledCriticalCLARENCE A CUMMINGS
Application grantedgrantedCritical
Publication of FR450663ApublicationCriticalpatent/FR450663A/fr
F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
F16K41/00—Spindle sealings
F16K41/02—Spindle sealings with stuffing-box ; Sealing rings