A method for bonding plastic objects together with a hot...

Details A method for bonding plastic objects together with a hot... A method for bonding plastic objects together with a hot...

B - Operations, Transporting

29

C

B29C 65/40 (2006.01) B29C 65/00 (2006.01) B29C 65/42 (2006.01) C09J 5/06 (2006.01)

Patent

CA 2320313

The invention relates to a method for gluing plastic objects with a hot-melt adhesive. Said method consists in heating at least one of the objects especially multilayer tubes (1, 2) to be glued, in an area to be glued up to a temperature higher than the fusion temperature of the object materials, during or after heating and addition of a hot-melt adhesive which is resistant to plasticizers. The invention thus relates to a method for gluing objects with a hot-melt adhesive, which can also apply to materials for which fusion bonding was not previously possible.

L'invention concerne un procédé permettant de coller des objets en plastique à l'aide d'une colle à fusion, selon lequel en complément du réchauffage et de l'adjonction d'une colle à fusion résistant aux plastifiants ou au moment du réchauffage et de l'adjonction de ladite colle à fusion, au moins un des objets à coller, notamment des tubes multicouche (1, 2), est (sont) porté(s) dans la zone à coller (6), à une température supérieure à la température de fusion des matériaux composant lesdits objets. L'invention met ainsi au point un procédé pour coller des objets à l'aide d'une colle à fusion, qui peut également s'utiliser avec des matériaux pour lesquels le collage par fusion ne pouvait jusqu'alors être employé.

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