Title:
EXTRUSION MACHINE, METHOD FOR DISTANCE CONTROL AND METHOD FOR CHANGING A FRICTION WHEEL IN AN EXTRUSION MACHINE
Document Type and Number:
WIPO Patent Application WO/2018/218270
Kind Code:
A3
Abstract:
The invention relates to an extrusion machine (1) comprising a main frame (5), a friction wheel (4), a tool-holding device (6), a locking device (11) and a tool unit (12) supported on the tool-holding device (6). A protection unit (28) with at least one first nozzle (32) and at least one second nozzle (33) are also provided. The nozzles (32, 33) are designed to dispense a gas which is free of gaseous oxygen. The first nozzle (32) is directed to a peripheral portion (29) of the friction wheel (4). The second nozzle (33) is mounted below a stripping area (30) of the tool unit (12). The invention also relates to an extrusion machine (1) having a sensor unit (25) between the tool holding device (6) and the tool unit (12) and to a method for controlling the distance between two tool components of the extrusion machine (1). The invention further relates to different extrusion machines (1) and to methods for changing friction wheels.
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Inventors:
HUBA MIKOLA (AT)
Application Number:
PCT/AT2018/060114
Publication Date:
March 07, 2019
Filing Date:
June 01, 2018
Export Citation:
Assignee:
ASMAG HOLDING GMBH (AT)
International Classes:
B21C23/00; B21C23/21; B21C29/00; B21C31/00
Domestic Patent References:
| WO2015070274A2 | 2015-05-21 | |||
| WO2000029141A1 | 2000-05-25 | |||
| WO1996002335A1 | 1996-02-01 |
Foreign References:
| GB2241660A | 1991-09-11 | |||
| US5782120A | 1998-07-21 | |||
| JPH10166035A | 1998-06-23 | |||
| GB2386334A | 2003-09-17 | |||
| GB2310627A | 1997-09-03 | |||
| US20150151343A1 | 2015-06-04 |
Attorney, Agent or Firm:
ANWÄLTE BURGER UND PARTNER RECHTSANWALT GMBH (AT)
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