Method and apparatus for winding a core for an electrochemical cell and processing thereof
US5323527A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 10, 1993 |
| Grant date | Jun 28, 1994 |
| Priority date | — |
| Expiry date | May 10, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53135
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method and apparatus is provided for use in the fabrication of an electrical chemical cell having a spiral wound core. An anode plate and a first separator sheet are Juxtaposed in an adjacent relationship and restrained against relative lengthwise displacement. A cathode plate is Juxtaposed with a second separator sheet in an adjacent relationship and also restrained against relative lengthwise displacement. Portions of the first and second separator sheets are overlapped and restrained against relative movement while the restrained overlapping end portions are rotated Continuously about an axis so as to wind the plates and separator sheets into a coiled core which can be inserted into an electrochemical cell casing. The apparatus includes a vacuum holding member for holding the anode plate and first separator sheet together, and includes a vacuum holding member for holding the cathode place and second separator sheet together. A pair of rotatable clamping mandrels grip the overlapping end portions of the separator sheets and rotate to wind the sheets and the plates into the coiled core configuration. Guide members are provided adjacent the clamping mandrels to prevent the plates…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.