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1. (WO2016055371) SEAL FOR A GAP BETWEEN AN OUTER AND AN INNER CYLINDRICAL SURFACE

Pub. No.:    WO/2016/055371    International Application No.:    PCT/EP2015/072803
Publication Date: Fri Apr 15 01:59:59 CEST 2016 International Filing Date: Sat Oct 03 01:59:59 CEST 2015
IPC: F16J 15/32
Applicants: NUOVO PIGNONE SRL
Inventors: BERGAMINI, Lorenzo
Title: SEAL FOR A GAP BETWEEN AN OUTER AND AN INNER CYLINDRICAL SURFACE
Abstract:
A seal (1) for a gap (2) between an outer (3a) and an inner cylindrical surface (2b), coaxial with a central axis (A) in common and arranged to rotate reciprocally, the seal (1) comprises a plurality of plate elements (7) stacked onto one another to define a ring (11) between the outer (2a) and inner cylindrical surfaces (2b), wherein each plate has a concave (8) and a convex side (9), the convex side (9) of each plate element (7) being adjacent to the concave side (8) of the next plate element (7).