Production method of hermetically sealed container for drink...

B - Operations – Transporting – 65 – B

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Details

B65B 7/28 (2006.01) B21D 51/26 (2006.01) B23K 26/04 (2006.01) B23K 26/073 (2006.01) B23K 26/20 (2006.01) B23K 26/32 (2006.01) B65B 51/10 (2006.01)

Patent

CA 2617471

A production method of a hermetically sealed container in which the process speed of a hermetically sealing process can be increased when a container for drink or food is sealed hermetically using a laser welding method, without requiring strict control of a laser spot scanning position, causing partial excessive supply of energy easily and decreasing welding area or welding strength per area due to collection of water drops. The production method of a hermetically sealed container for drink or food in which the container body and a lid fitted to the mouth portion thereof are welded by laser welding method and hermetically sealed state is brought about, characterized in that the method comprises a step for welding the entire scheduled welding part of the container body and the lid simultaneously or substantially simultaneously.

La présente invention concerne un procédé de production d~un récipient fermé hermétiquement dans lequel la vitesse d~un processus de fermeture hermétique peut être augmentée lorsqu~un récipient à boisson ou à aliment est fermé hermétiquement à l~aide d~un procédé de soudage laser, sans nécessiter de commande stricte d~une position de balayage du point laser, en provoquant facilement un apport en énergie excessif partiel et en réduisant une zone de soudage ou une force de soudage par zone à la suite de la collecte de gouttes d~eau. L~invention porte sur le procédé de production d~un récipient à boisson ou à aliment fermé hermétiquement selon lequel le corps du récipient et un couvercle ajusté à son embouchure sont soudés par un procédé de soudage laser, aboutissant ainsi à un état de fermeture hermétique. Le procédé se caractérise en ce qu~il comprend une étape consistant à souder toute la partie de soudage prévue du corps du récipient et du couvercle simultanément ou sensiblement simultanément.

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