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Title:
METHOD FOR PRODUCING SHEETS FROM BINDER, PRODUCTION LINE FOR SHEETS, AND DEVICE FOR GENERATION OF IMPRESSION
Document Type and Number:
Japanese Patent JP2009113497
Kind Code:
A
Abstract:

To provide a method for producing sheets from binder, in particular, plasterboards with recessed edges.

The method includes steps of : generating a marking (301) on a face (2 or 3) of a pre-form (5); detecting the marking (301); and transmitting an actuation signal to a cutting device (9) for the pre-form (5). Further provided are a production line for the sheets, and a unit, particularly for the generation of an impression (12, 12 bis) in a pre-form (5). The unit includes a frame (101), first pulleys (102, 103) and second pulleys (105, 106), two belts (108, 109) wrapped around the pulleys (102, 103, 105, 106), and at least one line (111) running between the belts (108, 109), such that the axis thereof is parallel to the axis of the pulleys (102, 103, 105, 106).


Inventors:
Jallon, Paul
Rigaudon, Michel
Laurent, Jean Louis
Solomut, Jean Paul
Application Number:
JP2009000042475
Publication Date:
May 28, 2009
Filing Date:
February 25, 2009
Export Citation:
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Assignee:
LAFARGE PLATRES
International Classes:
B26D5/34; B28B11/08; B28B1/50; B28B7/00; B28B11/12; B28B11/14; B28B11/16; B28B19/00; B29C67/00