Title:
EXPANDER ROLL
Document Type and Number:
Japanese Patent JP2004183842
Kind Code:
A
Abstract:
To sufficiently ensure liquid-tightness of an expander roll having a plurality of metal cylindrical roll members.
A clearance-facing recessed portion 19 is formed in an outer circumferential surface of a ring-shaped elastic packing 17 to close a space 18 between adjacent cylindrical roll members 6A and 6B. Recessed portions 21 of the required number are further provided on both side portions of the space-facing recessed portion 19 to form a pleat-shaped portion 22. An outer circumferential surface of the pleat-shaped portion 22 is fixed to inner circumferential surfaces of the cylindrical roll members 6A and 6B on the same side.
Inventors:
KATSURAHARA KAZUHIRO
NAKAMURA YOSHINOBU
ORIGUCHI ISAO
NAKAMURA YOSHINOBU
ORIGUCHI ISAO
Application Number:
JP2002354124A
Publication Date:
July 02, 2004
Filing Date:
December 05, 2002
Export Citation:
Assignee:
YAMAUCHI CORP
International Classes:
F16C13/00; B65H23/025; D06C3/06; D21F1/40; (IPC1-7): F16C13/00; D21F1/40
Attorney, Agent or Firm:
Osamu Kono