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EP 0 907 761 A1

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(43) Date of publication: 14.04.1999 Bulletin 1999/15 (21) Application number: 97918304.0 (22) Date of filing: 15.05.1997

(51) International Patent Classification (IPC):  C23C 16/ 50( . ) B65D 23/ 02( . ) C23C 16/ 455( . ) C23C 16/ 44( . ) B65D 1/ 00( . ) C23C 16/ 04( . ) C23C 16/ 509( . ) (86) International application number: PCT/IB1997/000555 (87) International publication number: WO 1997/044503 (27.11.1997 Gazette 1997/51)

(84) Designated Contracting States: DE FR IT (30) Priority: 22.05.1996 CH 19960001283 (71) Applicant: Tetra Laval Holdings & Finance SA 1009 Pully (CH)	(72) Inventors: FAYET, Pierre CH-1006 Lausanne (CH) HUSSON, Michel CH-1007 Lausanne (CH) (74) Representative: Frei, Alexandra Sarah  Frei Patentanwaltsbüro Postfach 768 8029 Zürich 8029 Zürich (CH)