✦ LIBER ✦

Shell needle bearing with seal ring

Publisher: Elsevier Science
Year: 2008
Tongue: English
Weight: 201 KB
Volume: 2008
Category: Article
ISSN: 1350-4789
DOI: 10.1016/s1350-4789(08)70278-2

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✦ Synopsis

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 are proposed.

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