(19)
(11) EP 0 495 936 A1

(12)

(43) Date of publication:
29.07.1992 Bulletin 1992/31

(21) Application number: 91911555.0

(22) Date of filing: 14.05.1991
(51) International Patent Classification (IPC): 
B05D 7/ 00( . )
B32B 1/ 02( . )
B65D 23/ 08( . )
C03C 17/ 32( . )
 B05D 7/ 24( . )
B65D 1/ 00( . )
C03C 17/ 00( . )
C03C 17/ 34( . )
(86) International application number:
PCT/US1991/003359
(87) International publication number:
WO 1991/019606 (26.12.1991 Gazette 1991/29)
(84) Designated Contracting States:
AT CH DE DK ES FR GB LI SE

(30) Priority: 13.06.1990 US 19900537507

(71) Applicant: ADVANCED GLASS TREATMENT SYSTEMS
Simsbury, CT 06070 (US)

(72) Inventors:
  • CUNNINGHAM, Wells, C.
    New Hartford, CT 06057 (US)
  • CROUSE, Kenneth, L.
    Newington, CT 06111 (US)
  • DAVIS, Michael, W.
    Prospect, PA 16052 (US)
  • ELLSWORTH, Timothy, E.
    Simsbury, CT 06070 (US)
  • HODGE, Malcolm, H.
    West Hartford, CT 06117 (US)
  • KLINGER, Lori, J.
    Clinton, MA 01510 (US)
  • SMAY, Gay, L.
    Saxonburg, PA 16056 (US)

(74) Representative: Freylinger, Ernest T. 
Office de Brevets Ernest T. Freylinger 321, route d'Arlon Boîte Postale 48
L-8001 Strassen
L-8001 Strassen (LU)

   


(54) METHOD FOR ENHANCING THE STRENGTH OF A GLASS CONTAINER AND STRENGTH ENHANCED GLASS CONTAINER