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Piston-rings
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Industry
CPC
F16J9/00
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
F
MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F16
Engineering elements
F16J
PISTONS CYLINDERS SEALINGS
Current Industry
F16J9/00
Piston-rings
Sub Industries
F16J9/02
L-section rings
F16J9/04
Helical rings
F16J9/06
using separate springs or elastic elements expanding the rings Springs therefor; Expansion by wedging
F16J9/061
using metallic coiled or blade springs
F16J9/062
Coiled spring along the entire circonference
F16J9/063
Strip or wire along the entire circonference
F16J9/064
Rings with a flat annular side rail
F16J9/065
Spring expander with massive cross-section
F16J9/066
Spring expander from sheet metal
F16J9/067
corrugated in the radial direction
F16J9/068
corrugated in the axial direction
F16J9/069
with a "C"-shaped cross section along the entire circumference
F16J9/08
with expansion obtained by pressure of the medium
F16J9/10
Special members for adjusting the rings
F16J9/12
Details
F16J9/14
Joint-closures
F16J9/145
of spring expanders
F16J9/16
obtained by stacking of rings
F16J9/18
with separate bridge-elements
F16J9/20
Rings with special cross-section Oil-scraping rings
F16J9/203
Oil-scraping rings
F16J9/206
One-piece oil-scraping rings
F16J9/22
Rings for preventing wear of grooves or like seatings
F16J9/24
Members preventing rotation of rings in grooves
F16J9/26
characterised by the use of particular materials
F16J9/28
of non-metals
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