Global Patent Index - EP 3479721 B1

EP 3479721 B1 20200513 - METHOD FOR CRIMPING A STONE

Title (en)

METHOD FOR CRIMPING A STONE

Title (de)

VERFAHREN ZUM FASSEN EINES STEINS

Title (fr)

PROCEDE DE SERTISSAGE D'UNE PIERRE

Publication

EP 3479721 B1 20200513 (FR)

Application

EP 17200365 A 20171107

Priority

EP 17200365 A 20171107

Abstract (en)

[origin: US2019133271A1] A method for assembling a stone on to a mounting, the stone being cut to have a crown, a girdle and a pavilion, the method including providing a substrate including an adhesive layer; positioning the stone on the adhesive layer; heating the adhesive layer; exerting a pressure on the stone; positioning a setting sheet around the stone above the adhesive layer, so as to form a peripheral free space between the setting sheet and the stone, at least at the level of the girdle and of areas of the crown and the pavilion adjacent to the girdle; depositing a metallic layer in the peripheral free space from the setting sheet, at least at the level of the girdle and of the areas of the crown and the pavilion adjacent to the girdle, the metallic layer and the setting sheet forming the mounting; releasing the stone and its mounting from the substrate.

IPC 8 full level

A44C 17/04 (2006.01); C25D 7/00 (2006.01); G04B 47/04 (2006.01)

CPC (source: EP US)

A44C 17/04 (2013.01 - EP US); A44C 27/00 (2013.01 - US); C25D 1/003 (2013.01 - EP US); C25D 5/022 (2013.01 - EP US); C25D 7/005 (2013.01 - EP US); G04B 47/042 (2013.01 - EP US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3479721 A1 20190508; EP 3479721 B1 20200513; CN 109744667 A 20190514; CN 109744667 B 20210629; JP 2019084350 A 20190606; JP 6666977 B2 20200318; US 10736389 B2 20200811; US 2019133271 A1 20190509

DOCDB simple family (application)

EP 17200365 A 20171107; CN 201811319395 A 20181107; JP 2018201537 A 20181026; US 201816141370 A 20180925