Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB995320A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to GB995320ApriorityCriticalpatent/GB158171A/en
Publication of GB158171ApublicationCriticalpatent/GB158171A/en
B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
B24D7/18—Wheels of special form
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products
(AREA)
Abstract
158,171. Fennel, H. April 9, 1920. Wheels and other tools; round holes, enlarging and trueing. -A grinding-tool for smoothing the sharp edges of the holes drilled in lenses comprises a conical body a of stone, artificial stone, or emery having a foot part d fitting in a recess in a cylindrical holder b having thereon a tapered shaft c. The tool may be used by hand or in a drilling-machine.
GB995320A1920-04-091920-04-09Grinding tool for smoothing sharp glass edges
ExpiredGB158171A
(en)
Grinding and Lapping Tools: Processes and Fixtures; a Practical Treatise and Toolmakers' Reference Work Upon Precision Grinding and Grinding Processes, the Preparation and Use of Abrasives, Lapping Processes and Methods