(19)
(11) EP 1 290 368 A1

(12)

(43) Date of publication:
12.03.2003 Bulletin 2003/11

(21) Application number: 00973566.3

(22) Date of filing: 13.10.2000
(51) International Patent Classification (IPC)7F16L 11/11
(86) International application number:
PCT/US0028/576
(87) International publication number:
WO 0203/3303 (25.04.2002 Gazette 2002/17)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(71) Applicant: OEM/Miller; Division of Holm Industries
Aurora, OH 44202 (US)

(72) Inventors:
  • CHENOWETH, Kenneth, R.
    Ravenna, OH 44266 (US)
  • HEVERLY, Wayne, T.
    Cuyahoga Falls, OH 44221-3521 (US)
  • MURRAY, Russell, A.
    Waukee, IA 50263 (US)

(74) Representative: Stilkenböhmer, Uwe Michael, Dr. 
Eisenführ, Speiser & PartnerMartinistrasse 24
28195 Bremen
28195 Bremen (DE)

   


(54) DUAL WALL CO-EXTRUDED CORRUGATED TUBING