Patent ID: 11970909
Assignee: TRACTO-TECHNIK GMBH & CO. KG
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 4:
5. A method for producing a drill bit of a ground drilling device that is a ram drilling device, comprising:
providing the drill bit with a drill bit receptacle, the drill bit being adapted to receive an attachment fastened to the drill bit, wherein the attachment is fastened to the drill bit by means of at least one dowel pin inserted into the drill bit receptacle and an attachment receptacle of the attachment; and
providing an enlargement of the drill bit receptacle with respect to a radius of the dowel pin, wherein the enlargement of the drill bit receptacle is in a straight line that is inclined with respect to a longitudinal direction of the drill bit by an angle between 5° and 20°.