Tubular container and a process for making it

Details Tubular container and a process for making it Tubular container and a process for making it

B - Operations, Transporting

65

D

190/38, 18/963

B65D 3/22 (2006.01) B65D 35/12 (2006.01)

Patent

CA 1198991

ABSTRACT OF THE DISCLOSURE: The production of a tubular container is effected by rolling and lap-welding a multi-ply foil to form a cylin- drical tube body, the arrangement of a collar which par- tially closes this tube body at the top, and the production of a head piece of plastics material, which on the one hand connects the tube body to the collar and on the other hand forms the top closure of the tube. The collar has a simple basic form before working and is brought by the working into a form in which its cut edges can be covered by plastics material flowing thereover, this shaping requiring no addi- tional working operation, but being effected by the forces set up during the moulding process of the plastics material. Further by the shaping of the collar, the spacing between the collar and the tube body is reduced, thereby further improving protection against diffusion.

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