TEST METHOD FOR SHIPPING CONTAINERS, TEST RIG AND CORNER FITTING

摘要

A method of testing a shipping container (10) for use as an upper container in a vertical tandem lift configuration the method comprising supporting the container other than by the lower corner fittings (15), connecting couplers (18) in the lower corner fittings of the container to be tested and then applying a proof load on the couplers to confirm that the container and/or the couplers can sustain the forces at least through the lower corner fittings which will be experienced during use in a vertical tandem lift. The invention also provides a rig (70, 143) for carrying out the proof test and/or for connecting or disconnecting couplers to or from the lower corner fittings of a shipping container. Various corner units for use in such a rig are also disclosed.