Title:
MANDREL FOR PRINTING APPARATUS, PRINTING CYLINDER AND PRINTING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2016/159764
Kind Code:
A3
Abstract:
A mandrel (10) for use in a printing apparatus. The mandrel comprises a substantially cylindrical mandrel shaft (12) and plastic expansion rings (14) that are slidably and coaxially mounted on the mandrel shaft. The mandrel also includes a locking assembly including a fixed stop ring (18) and a single locking ring (20) that is axially movably mounted on the mandrel shaft. The expansion rings are positioned between the stop ring and the locking ring. In the unlocked position of the locking ring the expansion rings are in a released state in which the axial compression and the radial expansion of the expansion rings are smaller than in a locked position of the locking ring. A printing cylinder sleeve (28) can be fixedly connected to the mandrel by bringing the expansion rings in the radially expanded state. When the printing cylinder sleeve has to be exchanged, this is feasible when the expansion rings are in the released state.
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Inventors:
WIENTJES HENDRIKUS THEODORUS GERARDUS (NL)
Application Number:
PCT/NL2016/050211
Publication Date:
December 22, 2016
Filing Date:
March 29, 2016
Export Citation:
Assignee:
MPS HOLDING BV (NL)
International Classes:
B41F5/24; B41F7/04; B41F13/008; B41F27/10; B41F30/00
Domestic Patent References:
| WO2006114534A2 | 2006-11-02 | |||
| WO2001070505A2 | 2001-09-27 | |||
| WO2008025804A2 | 2008-03-06 |
Foreign References:
| DE4106062C1 | 1992-06-04 | |||
| EP1164011A2 | 2001-12-19 | |||
| DE4447124C1 | 1996-02-08 | |||
| US3598050A | 1971-08-10 | |||
| EP1679189A1 | 2006-07-12 | |||
| US2987994A | 1961-06-13 | |||
| US20140311368A1 | 2014-10-23 |
Attorney, Agent or Firm:
JANSEN, C.M. et al. (Carnegieplein 5, 2517 KJ Den Haag, NL)
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