(19)
(11) EP 1 474 641 A1

(12)

(43) Date of publication:
10.11.2004 Bulletin 2004/46

(21) Application number: 02717300.4

(22) Date of filing: 09.01.2002
(51) International Patent Classification (IPC)7F25C 3/04
(86) International application number:
PCT/US2002/000440
(87) International publication number:
WO 2003/060397 (24.07.2003 Gazette 2003/30)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(71) Applicants:
  • Sociéte de Technologie Michelin
    63000 Clermont-Ferrand Cedex 09 (FR)
  • MICHELIN RECHERCHE ET TECHNIQUE S.A.
    CH-1763 Granges-Paccot (CH)

(72) Inventors:
  • SCHULTZ, Paul
    Piedmont, SC 29673 (US)
  • DOUGHERTY, Timothy
    Fountain Inn, SC 29644 (US)

(74) Representative: Lasson, Cédric 
Manufacture Françaisedes Pneumatiques MichelinSGD/LG/PI-F35-Ladoux
63040 Clermont-Ferrand Cedex 9
63040 Clermont-Ferrand Cedex 9 (FR)

   


(54) CONTROLLED SNOW-MAKING PROCESS AND APPARATUS