METHOD, DEVICE AND SET OF SEVERAL HOLLOW BODIES FOR EXTRACTING A PLUG OUT OF A HOLLOW BODY

摘要

The invention relates to a method, a device and a set of several hollow bodies for extracting a plug out of a hollow body, which hollow body (4) shows an open end and at the other end an opening (5) through which an ejecting pin (9) can push said plug (10) out of the respective hollow bodies, characterized in that use is made of a number of rods (11) which are synchronously displaced with said ejecting pin (9) around each hollow body (4) so as to catch the plug (10) with the plant during or after having removed said plug (10) from the hollow body (1, 2, 3).