B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1111
B29C 70/46 (2006.01) B27N 5/00 (2006.01) B29C 43/14 (2006.01)
Patent
CA 1182970
ABSTRACT OF THE DISCLOSURE The present invention relates to a process for pro- ducing moulded parts from flat tangled fibre fleece mats, preferably formed from binder-containing cellu- lose or lignocellulose fibres in which the fibre mat is compressed by press tools and is subsequently op- tionally provided with a decorative surface layer. The compression takes place in two stages of pre- moulding and final moulding in successive strokes in a single press without intermediate cooling and the decorative surface layer is supplied to the press after final moulding. Between the press tools which are in the open position for the first process stage is introduced a premoulding tool used for premould- ing the fibre mat, for the decorative process stage following the final moulding in the open press tool an auxiliary tool is introduced which, with regards to the compression moulding pressure, temperature, shaping and/or surface strucutre, can be matched to the characteristics of the decorative surface. The apparatus for performing the process is an auxiliary and premoulding tool which can be inserted and removed by guides and permits a vertical adjust- ment.
381572
Lignotock Verfahrenstechnik G.m.b.h.
Marks & Clerk
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