B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 65/04 (2006.01) A61J 1/00 (2006.01) B29C 65/00 (2006.01)
Patent
CA 2162039
The object of the present invention is a radiofrequency welding electrode for multicompartment plastic film bags for medical use, and the bags produced with this equipment. According to this method, the multicompartment bags (1) are produced by joining two suitable flexible plastic films by radiofrequency welding with electrodes bearing specially shaped, raised indentations for producing exceptionally wide welded parts (16) without beads of excess material at the points where the weld lines cross the sealing area between compartments (2, 3, 4). The invention concerns the production of bags particularly intended for use in medical perfusion, and including at least two compartments containing products that should be mixed only at the time of use.
La présente invention a pour objet une électrode de soudage à haute fréquence pour poches multicompartiments à usage médical en film plastique, ainsi que les poches obtenues grâce à ce matériel. Le procédé consiste à fabriquer les poches multicompartiments (1) par assemblage de deux films plastique souples appropriés par soudage à haute fréquence su moyen d'électrodes comportant des empreintes en relief de forme particulière permettant de créer des parties soudées (16) fortement élargies et dépourvues de bourrelets d'excès de matière aux points où les lignes de soudure croisent la zone d'étanchéité entre compartiments (2, 3, 4). Elle est destinée à la fabrication de poches utilisées en particulier pour la perfusion médicale et comportant au moins deux compartiments contenant des produits ne devant être mélangés qu'au moment de leur utilisation.
Robic
Stedim S.a.
LandOfFree
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