Title:
WINDING METHOD FOR FILM
Document Type and Number:
Japanese Patent JP2010254395
Kind Code:
A
Abstract:
To eliminate a minute scratch caused during a film winding process.
When winding a film coming from a tenter with the usage of a roll, in all of the rollers, a film speed Vf (m/min), a roll circumferential speed Vr (m/min), a roll diameter D (mm), and a holding angle α (rad) satisfy expression (1): 1.001<Vr/Vf<1.010 and expression (2): αD(Vr/Vf-1)/2<0.5.
Inventors:
NANJO KAZUNARI
Application Number:
JP2009104079A
Publication Date:
November 11, 2010
Filing Date:
April 22, 2009
Export Citation:
Assignee:
UNITIKA LTD
International Classes:
B65H18/10
Previous Patent: WIRE ROPE AND METHOD FOR INSPECTING LIFE OF THE WIRE ROPE
Next Patent: TRANSFER MACHINE
Next Patent: TRANSFER MACHINE