Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F16
ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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F16J
PISTONS; CYLINDERS; SEALINGS
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F16J15/02
between relatively-stationary surfaces
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F16J15/06
with solid packing compressed between sealing surfaces
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F16J15/10
with non-metallic packing
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F16J15/12
with metal reinforcement or covering
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F16J15/121
with metal reinforcement
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F16J15/127
the reinforcement being a compression stopper
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