(19)
(11) EP 0 641 173 A1

(12)

(43) Date of publication:
08.03.1995 Bulletin 1995/10

(21) Application number: 94911806.0

(22) Date of filing: 17.03.1994
(51) International Patent Classification (IPC): 
A47J 41/ 02( . )
F17C 13/ 00( . )
(86) International application number:
PCT/BR1994/000006
(87) International publication number:
WO 1994/021159 (29.09.1994 Gazette 1994/22)
(84) Designated Contracting States:
DE

(30) Priority: 18.03.1993 BR 19930001221

(71) Applicant: SOBRAL INVICTA S.A.
03057-Sao Paulo, SP (BR)

(72) Inventor:
  • SOBRAL, Joao Fernando
    04032-Sao Paulo, SP (BR)

(74) Representative: Hagemann, Heinrich, Dr. rer. nat., Dipl.-Chem. 
Patentanwälte Hagemann & Kehl Postfach 86 03 29
D-81630 München
D-81630 München (DE)

   


(54) METHOD AND APPARATUS FOR IMPROVING THE VACUUM INSIDE LINERS FOR VACUUM BOTTLES