Patent ID: 9297405
Filing Date: 2016-03-29
CPC Classification: B23P,F16B,Y10T

Claim Text:
1. A method for the attachment of a bolt element ( 100 , 100 ′) to a component ( 130 ) in the form of a sheet of a composite material having a plastic matrix material and reinforced fibers disposed therein and the composite material having an upper side and a lower side defining a material thickness, wherein the bolt element ( 100 , 100 ′) has a central longitudinal axis extending in directions defining above and below the bolt element, a head part ( 104 ) having a contact surface ( 102 , 102 ′) defined below the head part in the direction of the central longitudinal axis and a shaft part ( 106 ) extending away from the head part ( 104 ) in the direction of the central longitudinal axis, the shaft part ( 106 ) having a tip ( 110 ) provided at a lower terminal end remote from the head part ( 104 ) for piercing the component ( 130 ), the tip ( 110 ) merging into a thread cylinder ( 114 ), the method comprising: a first step of heating the component ( a second step of generating a hole in the component ( a third step of turning the bolt element so that the thread of the thread cylinder ( a fourth step of bringing the contact surface (