CH Patent: 330,589 - Method for sharpening drill bits and machine for implementing this method


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

CH Patent: CH-330,589

Procédé pour l'affûtage des forets et machine pour la mise en oeuvre de ce procédé
Method for sharpening drill bits and machine for implementing this method

Patentee:

Oscar Amiet (exact or similar names) - Carouge-Genève, Switzerland

USPTO Classifications:

Tool Categories:

metalworking machines : grinders : sharpening machines : drill sharpening machines

Assignees:

Christen & Cie AG - Berne, Switzerland

Manufacturer:

Christen & Cie AG - Berne, Switzerland

Witnesses:

Unknown

Patent Dates:
Applied:	Jun. 16, 1955
Granted:	Jun. 15, 1958

Patent Pictures:

Espacenet patent
Report data errors or omissions to steward Jeff Joslin