B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 51/14 (2006.01) B29C 51/18 (2006.01) B29C 51/26 (2006.01) B29C 51/42 (2006.01) B29D 24/00 (2006.01) B32B 27/32 (2006.01)
Patent
CA 2563446
Process for the production of a blister sheet which comprises the following steps: a) extrusion (1) of a bottom film (7), a central film (8), a top film (7) starting from the corresponding granule; b) thermoforming (3) of the central film; c) calibration and partial cooling (5) of the bottom and top films; d) heating of at least one side of the bottom and top films and coupling of the two bottom and top films with the thermoformed film.
L'invention concerne un procédé de production d'une feuille de type coque comprenant les étapes suivantes consistant: a) à extruder (1) un film inférieur (7), un film central (8), un film supérieur (7) à partir du granulé correspondant; b) à thermoformer (3) le film central; c) à étalonner et à refroidir partiellement (5) les films central et supérieur; d) à chauffer au moins un côté des films inférieur et supérieur et à accoupler les films inférieur et supérieur au film thermoformé.
Gruppo Colines S.r.l.
Marks & Clerk
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