Body Shop checks its caps

A Crane Electronics product story
Edited by the Engineeringtalk editorial team Dec 6, 2005

Body Shop buys open-ended tubes, with the caps already fitted, and checks a sample of caps for tightness using a Capstar from Crane Electronics as part of the goods-in inspection procedure.

Caps on tubes of toiletries and cosmetics produced by companies such as Body Shop must be tight.

If not the products may leak during storage, transit and display, or have a reduced shelf life.

Body Shop buys open-ended tubes, with the caps already fitted, and checks a sample of caps for tightness using a Capstar from Crane Electronics as part of the goods-in inspection procedure.

Only after the delivery has been accepted is it released to the filling lines.

Body Shop might have four deliveries of tubes per week and from each delivery they check up to 50 caps.

Previously, the company used a manual gauge with a dial, but wanted something that was more sensitive, less subjective, and that could print out the results each time.

The Capstar met these requirements and can carry out statistical analysis as well, thus saving time.

To use the device, the tube is clamped on the turntable and the cap is turned, to undo it.

The torque is automatically measured and printed on the built-in printer, giving a permanent record for traceability.

Any statistical analysis can also be carried out using the same unit.

Of the tubes inspected, some are as small as 15ml, whereas others are up to 200ml in capacity.

Cap sizes and torques will vary accordingly, but the Capstar needs no changes to tooling or settings between one size and the next.

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