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1. (WO2017033086) ANNULAR ELEMENT STRUCTURE

Pub. No.:    WO/2017/033086    International Application No.:    PCT/IB2016/054824
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Thu Aug 11 01:59:59 CEST 2016
IPC: A44C 9/00
Applicants: INCARDONA GIOIELLI S.R.L.
Inventors: INCARDONA, Claudio
TURRISI, Giuseppe
Title: ANNULAR ELEMENT STRUCTURE
Abstract:
A ring comprises two ring nuts (3,4) associated to an annular cylindrical body (2), engagement means (5) to constrain the ring nuts (3,4) to the annular cylindrical body (2) in a movable manner to allow said ring nuts (3,4) to move reversibly between an advanced end stroke position, in which said ring nut (3,4) protruding from the annular cylindrical body (2), and a retracted end stroke position, in which the ring nuts (3,4) are more retracted and closer them.