Process for the production of packaging tubes

Details Process for the production of packaging tubes Process for the production of packaging tubes

B - Operations, Transporting

29

C

B29C 65/70 (2006.01) B29C 65/48 (2006.01) B29C 65/52 (2006.01) B29D 23/20 (2006.01)

Patent

CA 2227943

There are prior art packaging tubes consisting of a tube body (11) with a prefabricated head (13) which is melted on the inner circumference of the body. This method of jointing can insult in faulty, i.e. leaking tubes. According to the invention, the tube body (11) and head (13) are bonded together by means of a material section (26), e.g. plastifiable synthetic material, thus providing stable and sealed, i.e. fault-free, bonds.

Les tubes d'emballages constitués d'un corps de tube (11) avec une tête de tube (13) préfabriquée, soudée par fusion sur la périphérie interne du corps, sont connus. Avec ce type de jonction, les tubes risquent d'être défectueux, c'est-à-dire non étanches. Selon l'invention, la tête (13) et le corps (11) du tube peuvent être liés par une partie de matériel (26) représentée par un plastique déformable, par exemple, qui permet de réaliser des jonctions stables et étanches, donc non défectueuses.

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