发明授权
- 专利标题: Method for welding pipe pieces made of thermoplastics
- 专利标题(中): 焊接由热塑性塑料制成的管件的方法
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申请号: US204635申请日: 1994-03-02
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公开(公告)号: US5489403A公开(公告)日: 1996-02-06
- 发明人: Ralph-Peter Hegler , Wilhelm Hegler
- 申请人: Ralph-Peter Hegler , Wilhelm Hegler
- 申请人地址: DEX
- 专利权人: Wilhelm Hegler
- 当前专利权人: Wilhelm Hegler
- 当前专利权人地址: DEX
- 优先权: DEX4307704.8 19930311
- 主分类号: B29C65/20
- IPC分类号: B29C65/20 ; B29C65/00 ; B29C65/34 ; B29L23/18 ; F16L25/00 ; F16L47/02
摘要:
In a method for connecting pipe pieces of corrugated pipes to form a pipe, which is to be used in particular as a protection pipe for communication cables or light wave guides, external pipe segments are formed by appropriate cutting in the vicinity of the external pipe portions, which external pipe segments are inserted into recesses of welding sleeves. These welding sleeves comprise an outer ring and an inner ring, the inner ring not projecting radially beyond the inner pipe portions into the pipe. At least one of the rings is welded with the external pipe segments.
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