Patent ID: 11930793
Assignee: BUHLER AG
Field: Other special machines (Mechanical engineering)
Classification: CPC A  B | IPC A

Claim 12:
13. A method for extracting an extruder screw from a food or land-or-sea-animal-feed extruder, comprising the steps:
a) providing an extruder screw handling device according to claim 1 in close proximity to the extruder so that the extruder screw of the extruder extends through a guiding element of the device,
b) securely and releasably attaching an end section of the extruder screw to a locking screw assembly of the device,
c) actuating at least one actuating means mounted on the locking screw assembly, wherein said actuating means push the locking screw assembly away from either said guiding element, or from stopper element(s) positioned in a first one or pair of at least one, preferably two, array(s) of openings, thereby moving the locking screw assembly, and the end section of the extruder screw attached thereto, away from the extruder,
d) inserting the stopper element(s) in a second one or pair of the opening(s) of the array(s) of openings, wherein the second opening(s) are further away from the extruder than the first opening(s),
e) optionally repeating steps c) and d).