B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 51/14 (2006.01) B29C 51/08 (2006.01) B29C 67/00 (2006.01) B29C 33/00 (2006.01) B29C 59/02 (2006.01)
Patent
CA 2307034
The invention herein relates to a method and apparatus for forming (or cold- forming) an embossed blister from a laminated film wherein an indicia is formed on the base of the blister. In particular, the invention involves a single pass process of combining the formation of a blister and the formation of an indicia (embossing) on the blister, wherein the blister-forming pin contains a face with an indicia and is adapted to controllably stretch the laminated film during blister formation to minimize stretching of the film at the base of the blister. The invention is particularly useful in manufacturing processes which involve the formation of blisters having laminated films which contain a metal foil and polymer layer, wherein improved control in the stretching of the laminate during blister formation is desirable.
La présente invention concerne la réalisation d'au moins un emballage coque dans un film d'emballage-coque (4), lequel procédé consiste en la formation de marques-repères dans la base de l'emballage-coque au cours de la phase finale d'un passage unique de poinçon (2) ou de broche de formation de l'emballage-coque. Pour former à froid l'emballage-coque, on fait avancer la broche (2) selon un axe de progression transversal par rapport au plan du film (4), jusqu'à toucher une platine portant le poinçon (12) de formage des marques-repères. La face d'extrémité de la broche comporte un moule pour marques-repères dont la forme est complémentaire de celle du poinçon (2). Le déplacement de la broche (2) en direction de la platine tire et étire le film (4) principalement en partant du pourtour de l'emballage-coque, ce qui permet de minimiser l'étirement du film (4) au niveau de la base de l'emballage-coque.
Cardinal Health 409 Inc.
R.p. Scherer Corporation
Smart & Biggar
LandOfFree
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