US3374587A - Drill grinding attachment - Google Patents
Crawford ZNVENTORS BY and United States Patent 3,374,587 DRILL GRINDING ATTACHMENT Thomas W. Simpkins, 4605 Leeds St., El Paso, Tex. 79903, and Howard H. Crawford, El Paso, Tex.; …
US2583159A - Drill grinding apparatus - Google Patents
DRILL GRINDING APPARATUS Filed Oct. 8, 1948 2 SHEETS-SHEET 2 ,fla/)74242077247 Patented Jan. 22, 1952 UNITED STA-rss lement lOFFICE DRILL GRINDING APPARATUS Nels H. Swanson, …
US4142332A - Drill grinding fixture - Google Patents
A drill grinding fixture for drills of between about 1/16 to 1/2 inch diameter, including an inclined trough member for receiving the drill to project from the forward end of the trough member toward the vertical face of a grinding …
US607306A - Twist-drill-grinding machine - Google Patents
The movement of the drill-holder upon these ways, which. are inclined horizontally to the axis of the drill, determines the varying clearance of different-sized drills, the principle of which has...
US643703A - Drill-grinding machine. - Google Patents
US643703A US73671299A US1899736712A US643703A US 643703 A US643703 A US 643703A US 73671299 A US73671299 A US 73671299A US 1899736712 A US1899736712 A US 1899736712A US 643703 A US643703 A US 643703A Authority US United States Prior art keywords drill holder grinding …
Method of drill grinding - Patent search, search patents ...
SUBSTANCE: method relates to drill rake grinding and comprises positioning the drill so that its cutting edge is located perpendicular to grinder rotational axis to grind the drill by displacing it relative to grinding tool along cutting edge, starting from its periphery. ... Same patents: Method of grinding of drill …
Patents - Drill Doctor
Patents The following Darex, LLC products are protected by patents in the U.S. and elsewhere. This website is provided to satisfy the virtual patent marking provisions of various jurisdictions including the virtual patent …
US Patent for Thread coupling for a drill string for ...
US Patent for Thread coupling for a drill string for percussive rock drilling Patent (Patent # 6,810,956 issued November 2, 2004) - Justia Patents Search Justia Patents Downhole Coupling Or Connector US Patent for Thread coupling for a drill string for percussive rock drilling Patent (Patent …
DRILL GRINDING MACHINES
The drill bit sharpener BSG 20, the drill grinding machine BSM 20 and the drill grinding machine BSG 60. The BKS version grinds twist drills as well as core drills. Whether you regrind an ordinary HSS twist drill, grind a special carbide drill, or sharpen or grind specialty forms - Kaindl has the best drill grinding …
Drill Guide Patents and Patent Applications (Class 408 ...
Jan 10, 2000 · Drill Guide Patents (Class 408/241G) Feed system for a drill press. Patent number: 6102633 Abstract: A feed system for a drill press. The drill press comprises a base for supporting the drill …
US Patent Application for DRILL BIT AND METHOD FOR ...
Justia Patents US Patent Application for DRILL BIT AND METHOD FOR PRODUCING A DRILL BIT Patent Application (Application #20190262007) ... shaped end 118 and adapt the other end of the drill bit 101 so that the drill bit 101 can be retained by a chuck of a drill. The grinding …
Amazon.com: drill grinding attachment
40PCS Rotary Grinding Bit Set, 10PCS Diamond Cutting Wheel (22mm) + 20pcs Diamond Grinding Burr Drill Bits Sets + 10PCS Abrasive Mounted Stone Grinding Wheels Bits (3mm Mandrel) 4.2 out …
Amazon.com: grinding drill bits
40PCS Rotary Grinding Bit Set, 10PCS Diamond Cutting Wheel (22mm) + 20pcs Diamond Grinding Burr Drill Bits Sets + 10PCS Abrasive Mounted Stone Grinding Wheels Bits (3mm Mandrel) 4.2 out …
Amazon.com: drill grinding stone
40PCS Rotary Grinding Bit Set, 10PCS Diamond Cutting Wheel (22mm) + 20pcs Diamond Grinding Burr Drill Bits Sets + 10PCS Abrasive Mounted Stone Grinding Wheels Bits (3mm Mandrel) 4.2 out …
Amazon.com: grinding drill bit
60 Grit 20Pcs Diamond Burr Set - GOXAWEE Rotary Grinding Burrs Drill Bits Set with 1/8-inch Shank, Diamond-Coated Stone Carving Accessories Bit Universal Fitment for Rotary Tools. 4.4 out of 5 stars …
General Tools Drill Bit Sharpener & Grinding Tool ...
Extend the life of your drill bits with the General Original Drill Grinding Attachment. This durable tool quickly sharpens them back to factory tolerances. The angle adjustment gauge allows you to match the point angle of nearly any bit and even works on countersinks. Designed with a pivoting neck for simple grinding …
Drill Grinders for sale listings - MachineTools.com
Grinding Machines - Drill Grinders for sale listings - We have 26 listings for Drill Grinders listed below. Find items by using the following search options. You can also click on the column heading to sort …
China 3-13 mm Drill Bit Grinder, Drill Bit Sharpener Mr ...
Drill Bit Sharpener, Drill Grinder, Drill Grinding Machine manufacturer / supplier in China, offering 3-13 mm Drill Bit Grinder, Drill Bit Sharpener Mr-13A, Mr-Chv-160A Omnibearing Precision Automatic …