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Gaplast introduces bag in bottle for pharma use

The demands made could not have been higher: Gaplast ordered a dual-station blow-moulder BM 206 DL with 4 extrusion heads and 6 extruders. The system fills four cavities on the right and the same number on the left. These specifications meant the equpiment posed a challenge for project planning and construction at Bekum in Berlin. The centrepiece of the equipment features a generously-dimensioned, centrally-arranged extrusion head. To ensure accessibility and maintenance at Gaplast, Bekum constructed a quick-change feature. The quality requirements for pharmaceutical bottles resulted in an additional bobbing hydraulic on the extruder, for an optimised control over the tubing.

The technological standards and flexibility of these machines is also made evident by the distribution of material in the extrusion head: This core element of blow-moulding technology was combined into a spiral distributor for the bottle – a side-fed die head with a heart-shaped curved tube was used for the inside bag. Bekum goes on to explain that the new machines, with their optimised controls, open up a degree of reproductive capability previously not possible: not only can the BM 206 DL vary the air inflow dose in 8 levels via the valves – the pressure per extruder can also be dosed very accurately, and, above all, can be reproduced perfectly. According to information from Gaplast, this sets new standards in process supervision and control. The well-known quality predicate ‘Made in Germany’ and the passion for development at Bekum, which these machines demonstrate, make a resounding statement about the standing and significance of the German special-purpose-machinery industry.