Zipper end sealing

Details Zipper end sealing Zipper end sealing

A - Human Necessities

44

B

A44B 19/42 (2006.01)

Patent

CA 2560881

A method of sealing together end portions of zipper profile lengths (12, 14) uses a heated pin (18) which is inserted into the end portions of the joined profile lengths to form a cavity (32) which is closed by subsequent application of pressure by a pressure element (28). The method avoids the use of heated crushing devices and ultrasonics.

L'invention concerne un procédé de verrouillage des parties d'extrémité de longueurs de profil de fermeture à glissière (12, 14) entre elles au moyen d'une tige chauffée (18) qui est introduite dans les parties d'extrémité des longueurs de profils assemblés afin de former une cavité (32) qui est fermée par application ultérieure d'une pression au moyen d'un élément de pression (28). Le procédé empêche l'utilisation de dispositifs de concassage chauffé et d'appareils à ultrasons.

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