Title:
MANUFACTURE OF SEPARATOR FOR BATTERY
Document Type and Number:
Japanese Patent JPH0589867
Kind Code:
A
Abstract:
PURPOSE: To provide a separator for use in a battery, in which the gas permeability the active substance motion preventive function are well balanced, by improving the of the separator which is made of a melt-blow type non-woven gas permeability cloth,
CONSTITUTION: A melt-blow type non-woven cloth made of anti-alkaline plastics is subjected to water stream entaglement so as to improve gas permeability and then is subjected to a hot press rolls operating at different peripheral velocities so as to shrink the max. hole dia. widened by the water stream entangling process.
Inventors:
NAKAO ETSURO
TERASONO YUICHI
HASEGAWA YOSHIAKI
TERASONO YUICHI
HASEGAWA YOSHIAKI
Application Number:
JP27704891A
Publication Date:
April 09, 1993
Filing Date:
September 27, 1991
Export Citation:
Assignee:
JAPAN VILENE CO LTD
International Classes:
H01M2/16; (IPC1-7): H01M2/16
Next Patent: LEAD/SULFURIC ACID STORAGE BATTERY