cylinder body. The metal gasket comprises a pair of elastic metal-plates provided with first bore holes formed correspondingly to the cylinder bores, and beads formed along the circumferences of the first bore holes, and a shim member provided with second bore holes opposed to the first bore holes,
Improved sealing for pumps and valves
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 326 KB
- Volume
- 2008
- Category
- Article
- ISSN
- 0262-1762
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milling coal products there is the potential for explosions within the mill. To contain this overpressure the proposed design uses one or more piston rings as rotary shaft seals. A peg is located at the butt joint to prevent rotation of the ring.
## Seal ring Applicans: NOK Corporation, Japan This patent describes a design of butt joint for pistons rings which from the description are used as shaft seals. The rings have a stepped butt joint and one half of the joint has a surface that slopes in the circumferential direction and is engaged