(19)
(11) EP 0 510 853 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
03.02.1993 Bulletin 1993/05

(43) Date of publication A2:
28.10.1992 Bulletin 1992/44

(21) Application number: 92303278.3

(22) Date of filing: 13.04.1992
(51) International Patent Classification (IPC)5B65D 90/04
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI NL PT SE

(30) Priority: 25.04.1991 US 691564

(71) Applicant: CULLIGAN INTERNATIONAL COMPANY
Northbrook, IL 60062 (US)

(72) Inventor:
  • Matyja, Ronald M.
    Wheeling, Illinois 60090 (US)

(74) Representative: MacGregor, Gordon et al
ERIC POTTER CLARKSON St. Mary's Court St. Mary's Gate
Nottingham, NG1 1LE
Nottingham, NG1 1LE (GB)


(56) References cited: : 
   
       


    (54) Tank lining system with neck seal


    (57) A tank lining system comprises a tank having a wall (12) defining a first opening (16). A flexible sheet lining (20) abuts the interior surface of the wall (12) and defines a second opening (21) that is aligned with the first opening of the tank wall. A first collar (14) surrounds the first opening and is attached to the tank, while a second collar (24) surrounds the second opening and is attached to the flexible sheet. Means are provided for retaining the first and second collars together with a seal of the junction area between them.







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