Published in Machines and Equipment
Uni Chuck self-adapting closure chuc (Arol).


Uni Chuck is the self-adapting closure chuck patented by Arol, able to correctly apply caps in different colors, sizes and manufacturers

To better satisfy the increasing demand for more efficient bottling lines, Arol, a leading producer of closure systems, has developed a new solution designed to optimize work times and performance of capping machines: the Uni Chuck. 

Uni Chuck is the self-adapting closure chuck designed and developed thanks to our 40+ years of industry experience in order to simplify the application of flat pre-threaded plastic caps.

The innovative system patented by Arol, drastically reduces line stops due to format changes, thanks to its ability to handle the same type of cap having different colors, knurlings and sizes, as well as caps by different manufacturers, compensating differences in height and diameter of up to ±0.5 mm (with respect to the nominal dimensions).

For wider caps tolerances, the system is characterized by the rapidity and ease of format changes, along with its adaptability: this new chuck can in fact be quickly disconnected, re-inserted and applied to different types of capping heads. Its flexibility is owing to the unique ability of Uni Chuck to perfectly adapt to all Arol capping heads on Arol mechanical cappers and servo cappers. 

Uni Chuck works in both aseptic and hot or cold filling conditions, easy to be cleaned because of a number of drains in various points along the device.

Arol is part of Arol Group. Founded in 1978 in Canelli, Piedmont – Italy. Arol is the specialist in the development and distribution of capping and closure systems as well as cap feeding and orientating systems for beverage, food, wine & spirits sectors, cosmetics, pharmaceutical, household and personal care and chemical industry in general. It designs and produces + 95% of the components of its own systems.  Arol can count on 550 specialists (of which +100 engineers) and 15 operative branches in 4 continents.

Gruppo Arol
Viale Italia 193 – 14053 Canelli – AT 
Tel. 0141 820500 e-mail: This email address is being protected from spambots. You need JavaScript enabled to view 

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