Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DEVICE FOR THE PRODUCTION OF AN ELECTRIC ENERGY STORAGE UNIT BY WINDING ON A FLAT MANDREL
Document Type and Number:
WIPO Patent Application WO2004059774
Kind Code:
A3
Abstract:
The invention relates to a device for the production of electric energy storage units, comprising means (A, 104, 204, 304) for feeding multiple films and a mandrel (610) which is adapted in such a way that said multiple films can be wound in the form of a multi-layered unit, characterised in that the mandrel (610) has a non-circular rotation section and in that the device comprises drive means consisting in rotating the mandrel (610) at a non-constant angular speed which is controlled in such a way that a constant linear speed can be obtained for the feeding of said films.

Inventors:
LE GAL GUY (FR)
Application Number:
PCT/FR2003/003823
Publication Date:
August 19, 2004
Filing Date:
December 19, 2003
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BATSCAP SA (FR)
LE GAL GUY (FR)
International Classes:
B65H18/10; B65H39/16; H01G13/02; H01M6/10; H01M10/04; H01M10/052; H01M10/0587; H01M10/36; (IPC1-7): H01G13/02; H01M6/10
Foreign References:
GB962643A1964-07-01
US4402784A1983-09-06
EP0034662A21981-09-02
US4265410A1981-05-05
US4866909A1989-09-19
Download PDF: