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๐ SIMILAR VOLUMES
A patent for the zipper of re-closable packages that includes an impressed pattern which is impinged against by the slider is described. This creates an aesthetically pleasing appearance and sound as the closure is operated. A corresponding tactile sensation is also created. A number of variations a
Constant velocity joint having a non-rotating boot
additional time and expense of draining the cylinder head to replace the copper cooling sleeve around the injector. The gasket is formed from a resilient metal ring with a sealing bead.
## TRW Automotive GmbH, Germany A seal arrangement for the fitting of a balljoint boot to a steering knuckle is described. An L-section, metal ring forms an interference fit with the shaft. The radial flange has an integral elastomer seal that seals against the flange of the joint. The boot itself
## Dynamic sealing Resislanee (o strong alkaline solutions or liquors is required m a wide range of industries such as aluminium extraction, wood pulp and paper manulacture. Tests on SF 5000 have demonstrated that it can retain a high percentage of its initial slrenf{th after several weeks' immers