Herrenknecht AG. Schlehenweg 2 , Schwanau , 77963 Germany About Solutions products services Publications videos Downloads Companies Herrenknecht AG. Videos Raise Boring Rig (RBR) Video Raise Boring Rig (RBR) Video 0 Share Rapid, systematic and secure shaft construction Customer comments No comments were found for Raise Boring Rig (RBR) Video. Be the first to comment! Add your comment Publish your comment Great! comment successfully added!