Methods and apparatus for making sheaths for battery electrodes
- 申请公布号：
- US4080234(A)
- 申请号：
- US19760695788
- 申请日期：
- 1976.06.14
- 申请公布日期：
- 1978.03.21
- 申请人：
- AKTIEBOLAGET TUDOR
- 发明人：
- SUNDBERG, ERIK G.
- 分类号：
- H01M4/76;(IPC1-7):B29D23/00;B32B31/20
- 主分类号：
- H01M4/76
- 摘要：
- A sheath for battery electrodes is made by introducing a fibrous tubular material along a mandrel. A perforated thermoplastic material is applied around the outside of the fibrous material. Subsequent to applying the fibrous material, the mandrel is heated, thereby heating the fibrous material. The latter heats and softens the inside of the thermoplastic material at their points of mutual contact. The thermoplastic material is then subjected to external pressing forces and external cooling temperatures to press the thermoplastic material against the fibrous material while cooling the thermoplastic material.
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