Composite bit

Abstract

Abstract A composite bit or drill having a material working section adhesively connected to an enlarged gripping section. The material working section includes generally a cutting, grinding or finishing portion and continuous therewith a shank portion and is made of hard, abrasion resistant, heat resistant, durable alloys. The gripping section has a relatively large mass and large outer diameter with respect to the material working section and has an accurately formed longitudinal bore therein for receiving the shank of the material working section the adhesive connection between the material working section and the gripping section will not prevent heat transfer between these elements. Adhesive materials for connecting the cutting section to the gripping section may be anaerobic adhesives, epoxy adhesives, cyanoacrylate adhesives and other compounds depending on the bond strength required and the heat transfer characteristics established between the material working section, the gripping section of the bit and the chucking means for holding the composite bit or drill. Additionally, for forming a composite bit or drill there is provided a gripping element or jacket having a longitudinal bore formed to receive drills or the like type tools within a predetermined range of sizes to permit the bit or drill to be fitted and adhesively connected in the bored jacket elements in any type of work shop where such tools are used.

Inventors

• 👤 Hollen J Von

Bibliographic Details