Actual movement of the frictional
winding ring
Samples of the frictional rewinding rings
   
3" standard type

3" strong type

3" super heavy type 2" standard type 40mm standard type

There are various types for each application. The standard uses steel ball,
special ordered edging steel ball, and custom-made urethane ball.

The steel ball can be set from one line to five lines in the width.
3" with unlock, when the paper tube is interfered, the setscrew is released for ball unlock.
Ball lock type ring specification
NO. in width
Frictional winding ring width
No. of outside diameter perimeter
Applicable outside diameter (inside diameter of paper tube)
1
7.5mm~10mm
 3~8 places in 360
40mm 2in 3in 4in 5in 6in
2
13.5mm~17.8mm
 3~8 places in 360
40mm 2in 3in 4in 5in 6in
3
24mm~25mm
 3~8 places in 360

40mm 2in 3in 4in 5in 6in
4
33mm~37mm
 3~8 places in 360
40mm 2in 3in 4in 5in 6in
5
40mm~50mm
 3~8 places in 360
40mm 2in 3in 4in 5in 6in