Pipe preparation device for soldering or brazing
Patent 4862549 Issued on September 5, 1989. Estimated Expiration Date: 
August 5, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 5, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 622446 937019 1176497 2124748 2303824 2629121 3188674 3266075 InventorsApplicationNo. 07/229022 filed on 08/05/1988US Classes:15/104.04, Outside15/104.05, Inside15/104.095, Power source outside tube end15/106, Brush15/160, Special work228/205CleaningExaminersPrimary: Roberts, Edward L.Attorney, Agent or FirmInternational ClassesA46B 13/00 (20060101)A46B 9/02 (20060101) A46B 9/00 (20060101) B23K 1/20 (20060101) B08B 9/02 (20060101) AbstractA device for cleaning pipe or tubing and fittings is disclosed consisting of an internal brush for cleaning of fittings and an external brush for cleaning of tube or pipe prior to soldering or brazing. Both brushes are provided in a single tool so that either tube or fitting can be cleaned without changing or reversing the tool. A drive socket is provided on the brush holder shell to permit ready interchangeability of tools and ready selection of drive means between manual and motor driven operation. A selection of drive adaptors is provided. | |
