(19)
(11) EP 0 978 372 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.05.2002 Bulletin 2002/19

(43) Date of publication A2:
09.02.2000 Bulletin 2000/06

(21) Application number: 99115817.1

(22) Date of filing: 12.09.1994
(51) International Patent Classification (IPC)7: B31D 5/00
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 10.09.1993 US 119472
07.06.1994 US 255062

(62) Application number of the earlier application in accordance with Art. 76 EPC:
94928574.6 / 0717714

(71) Applicant: GEOPAX, LTD.
Raleigh, North Carolina 27609 (US)

(72) Inventors:
  • Goodrich, David P.
    Newtown, CT 06470 (US)
  • Hurwitz, Michael C.
    South Salem, NY 10590 (US)
  • Jester, Roger E.
    Newtown, CT 06470 (US)
  • Devine, James P.
    Bethlehem, CT 06751 (US)

(74) Representative: Harrison, David Christopher et al
MEWBURN ELLIS York House 23 Kingsway
London WC2B 6HP
London WC2B 6HP (GB)

   


(54) Method and apparatus for producing individual rolls of packing material


(57) Apparatus for expanding slit sheet material into a cushioning material includes expander rolls (702, 704) and drive rolls (706, 708), at least one of the expander rolls having means on its surface for gripping the slits, and being run at a higher rotational speed than the drive rolls.






Search report