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B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
B65B51/10—Applying or generating heat or pressure or combinations thereof
B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding
B65B51/227—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding by induction welding
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FR1122372D1955-02-221955-02-22Perfectionnement à l'emballage hermétique de matières liquides ou pâteuses dans des récipients en matière plastique
ExpiredFR1122372A
(fr)
Perfectionnements apportés à l'emballage des récipients destinés au transport de substances liquides en général et notamment des produits pathologiques