EARTH BORING DRILLING HEAD CONSISTING

Brand	Owner	Address	Description
ARMOR	VERMEER MANUFACTURING COMPANY	1210 Vermeer Road East Pella IA 50219	Earth boring drilling head consisting of a sonde housing and excavation tool for use in horizontal directional drilling;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

In a method and device for boring or drilling, in particular percussion drilling or rotary percussion drilling, holes in soil or rock, wherein a borehole is formed by a percussive and/or rotary movement carried out by a drill bit (2) mounted on a drill rod assembly (3) and a jacket tube (6) coupled with the drill bit (2) is introduced into the borehole, it is provided that the jacket tube (6) is received in a socket (5) provided on the end facing away from the drill bit working surface, of an envelope tube (4) coupled with the drill bit (2), and that the jacket tube (6) is subjected to a percussive and/or compressive stress on its end facing away from the drill bit, whereby directionally precise boring or drilling is rendered feasible.