A METHOD FOR MAKING JOINTS BETWEEN SHEET FORMED MEMBERS WITH AN INTERMEDIATE ADHESIVE LAYER AND AN APPARATUS FOR CARRYING OUT SAID METHOD

WIPO Patent Application WO/2010/139606

A3

Method and apparatus for joining superimposed sheet formed material with an intermediate layer of adhesive together by means of gluing in combination with clinching, at which a tool comprising a first and a second co-axial tool parts, co-operate for producing said joint, said first tool part comprising a punch (1) with an impact surface, surrounded by a stripper (2) with an impact surface, said second tool part comprising a die with an impact surface surrounding a die cavity at the bottom of which an anvil with an impact surface is arranged. In a step before making the clinch joint positioning and locking said punch (1) and said stripper (2) of said first tool part relative to each other so that said impact surfaces present a first, common, squeezing surface (6) of the first tool part, having essentially the same size and form as a second, squeezing surface of the second tool part. Then squeezing together the work pieces (9, 10) with the intermediate layer of adhesive over a surface corresponding to said squeezing surfaces in order to laterally displace excessive adhesive out from the corresponding area of the work pieces.

DUBUGNON OLIVIER (CH)
FAIVRE JEAN-CLAUDE (CH)

PCT/EP2010/057356

February 03, 2011

May 27, 2010

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ATTEXOR CLINCH SYSTEMS S A (CH)
DUBUGNON OLIVIER (CH)
FAIVRE JEAN-CLAUDE (CH)

B21D39/03; F16B11/00

JP2008290111A	2008-12-04
JPH06218454A	1994-08-09
US20060168792A1	2006-08-03
US20030037428A1	2003-02-27
US6092270A	2000-07-25
US5051020A	1991-09-24

HYNELL PATENTTJÄNST AB (Uddeholm, SE)

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