公开(公告)号：US20230349489A1

公开(公告)日：2023-11-02

申请号：US18308250

申请日：2023-04-27

Applicant: Andrew M. Braithwaite

Inventor： Andrew M. Braithwaite

IPC: F16L1/032

CPC classification number: F16L1/032

Abstract: The present disclosure relates to machines and methods for subterranean pipe extraction. The pipe extractor is comprised of a first roller, a second roller radially opposed from the first roller, at least one motor configured to drive rotation of the first and second rollers in opposing directions, and a deflector positioned adjacent to the first and second rollers. The first roller and second roller are configured to receive a pipe between them, and the pipe is axially moveable into contact with the deflector upon rotation of the first and second rollers. One or both of the first and second rollers may be radially slidable towards and away from each other. The sliding movement of the rollers may be controlled by a hydraulic actuator. The pipe extractor may be used as a standalone unit, or it may be mounted on a construction vehicle such as an excavator.