Containers

Details Containers Containers

B - Operations, Transporting

21

D

18/708, 18/714

B21D 51/38 (2006.01) B29C 45/14 (2006.01)

Patent

CA 1116366

Abstract of the Disclosure A method of making a wall of a container which wall is to be ruptured to gain access to the interior of the container, the method comprising forming a weakening in the wall corresponding to the path along which the wall is to be ruptured, locating the wall between mould tools which are formed as to one of them with a bead recess which will overlie the weakening and as to the other with a rupture recess in register with the bead recess, injecting material into the bead recess to dis- place the wall regions adjacent the path into the rupture recess to further weaken the connection between the wall parts to either side of the said path, and to form a seal therebetween and removing the wall from the tools.

328870

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