Apparatus for making chains of sacks

Details Apparatus for making chains of sacks Apparatus for making chains of sacks

B - Operations, Transporting

31

B

154/29.04

B31B 23/00 (2006.01) B29C 65/18 (2006.01)

Patent

CA 1111748

ABSTRACT OF THE DISCLOSURE In welding apparatus for two layers of travelling plastics film, a plurality of welding tools is moved in pairs along an elongated welding station through which the film layers are passed. The welding tools located on both sides of the layers co-operate with one another and are mounted in tool holders carrier by endless chains. The tool holders on one side of the film layers are constructed so that they can be temporarily uncoupled from the associated chain and instead coupled to the respective tool holders on the other side of the layers.

293590

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