Title:
SEALING DEVICE FOR LEVELER BACK UP ROLL
Document Type and Number:
Japanese Patent JP2004082171
Kind Code:
A
Abstract:
To provide an inexpensive sealing device for leveler buck up rolls the coefficient of friction of which is lower, with which the rise of torque of the leveler back up roll is not brought about and which is excellent in sealing capacity.
This sealing device 10 for leveler back up rolls is formed from an elastic material and the hardness of the outer peripheral surface 10a is higher than that of the interior 10b.
Inventors:
IWAMOTO TATSUO
Application Number:
JP2002247133A
Publication Date:
March 18, 2004
Filing Date:
August 27, 2002
Export Citation:
Assignee:
NSK LTD
International Classes:
F16C33/78; B21B31/07; B21D1/05; F16C13/02; (IPC1-7): B21B31/07; B21D1/05; F16C13/02; F16C33/78
Attorney, Agent or Firm:
Shohei Oguri
Hironori Honda
Toshimitsu Ichikawa
Takeshi Takamatsu
Yuriko Kuriu
Hironori Honda
Toshimitsu Ichikawa
Takeshi Takamatsu
Yuriko Kuriu
Previous Patent: EXTRUDED MATERIAL AND METHOD FOR STRAIGHTENING IT
Next Patent: EMPTY CONTAINER COMPRESSING APPARATUS
Next Patent: EMPTY CONTAINER COMPRESSING APPARATUS