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Creata pagina con "Compared to ''twist filler'' the substantial innovation introduced by Swan was to allow only a limited rotation of the bottom, marked with arrows, and avoids excessive..."
Compared to ''[[twist filler]]'' the substantial innovation introduced by [[Swan]] was to allow only a limited rotation of the bottom, marked with arrows, and avoids excessive stress applied to the rubber of the bag. The system however had a limited success and has been used only by this company, having in substance the same problems of fragility of its analogue and a rather reduced filling capacity.<noinclude>
==Related Patents==
{{ListsPatentsFeature|leverless filler}}
[[Category:Translated Pages]]
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