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๐ SIMILAR VOLUMES
## Patents Piston ring with a multilayer assembly Applicant: Federal-Mogul Burscheid GmbH, Germany This invention relates to a piston ring with improved running-in and wear properties and to the production method employed. A series of layers are deposited on the bearing surface of the piston ring
This invention relates to a brush seal that has a spiral groove on the back plate support. This is designed to provide improved pressure balance and support to the bristles.
A cosmetics case having a dual sealing structure is designed to retain the volatile solvents in the cosmetic and hence ensure a longer life for the cosmetics. Both the foldable mirror and the lid, containing the make-up tools are sealed.
The invention relates to a tool (26) which is used for the manual installation of a gasket (10) in a groove, in particular for vehicle body sealing strips. The gasket has two axial symmetric wings (14, 16). The tool has two L-shaped extensions (32, 24) which entrain part of the sealing wings (14a, 1