Hot tap cutter for plastic pipe
US5257644A · kind A · utility
5Cited by
15References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1992 |
| Grant date | Nov 2, 1993 |
| Priority date | — |
| Expiry date | Jun 12, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/6123
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus for hot tap cutting of plastic pipe comprising an electrode having a cutting edge, means for heating said electrode, and an insulating sheath, means for controlling movement of the electrode, and a housing containing the electrode, said housing sealingly securable to at least a portion of a plastic pipe whereby fluid pressure is maintained in the plastic pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.