Patent ID: 6074139
Filing Date: 2000-06-13
Classification: B23B,Y10T

Abstract:
A method of boring a plurality of aligned, mating pre-formed bolt holes in a pair of separated coupling flanges comprising the steps of:a) providing a template with pre-formed holes matching a desired location for bolt holes in the pair of coupling flanges;b) securing the template to a first of the pair of coupling flanges;c) attaching a boring tool to the template in alignment with one of the bolt holes;d) re-boring said one of the bolt holes in the first coupling flange and repeating steps c) and d) for each remaining bolt hole individually in succession;e) removing the boring tool and template from the first coupling flange;f) relocating the template on the second of the pair of coupling flanges; andg) repeating steps b) through e) for the bolt holes in the second coupling flange.