Aluminium tube seals

03 Dec 2018
Mecmesin
www.mecmesin.com/aluminium-tube-seals-cs110

Specification

One of the largest packaging tube suppliers in Central Europe specialises in laminated plastic and aluminium tube containers for the cosmetics industry. The aluminium tubes are self-sealed, with a reversible cap containing a spike for piercing the seal ready for use.

The strength of the seal must keep it secure from bursting, whilst being easily opened by hand using the cap. The company required a means of testing seals against their own quality standards, imitating the consumer’s means of opening.

Solution

Mecmesin supplied a MultiTest 2.5-i test stand with a specially-constructed sample holder. Working in collaboration with Mecmesin engineers, a series of collars were made, into which the various tube samples are screwed. This avoids pressure on the tube, which is not being assessed.

The motorised stand presents the correct plastic cap to the seal in a controlled way. A 1000 N intelligent loadcell records the applied force throughout the piercing cycle. As the Emperor™ software acquires the data, it presents the characteristics of the breaking seal as a real-time graph on the computer screen.

The software has a library of test sequences for various products so that instant pass/fail indication is given. All test data is stored for analysis and comparison.

Resetting the stand and test programmes for different samples is quick and simple. The major advantage to the company is the speed of throughput for test samples, the accuracy of the measurement, and the immediacy of results.

Real-time graphing of seal piercing, with (below) detail of the sample held in place by the custom collar and bracket

System

MultiTest 2.5-i test stand
1000 N intelligent loadcell
Custom-made sample holders

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Isabel Thomas
Product Info
English
Created 03 Dec 2018
Modified 07 May 2019
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Aluminium tube seals

Specification

Solution

System

See also

Fast food tray crush testing

Top-load testing of plant-based PLA material bottles

Tensile testing wire joining systems

Extreme sports waterproof bio-textile mechanical properties

Automated syringe break-loose and glide force system

Edge Crush Test (ECT) of corrugated cardboard

Wine can pop-and-tear opening force

Release torque testing of Champagne and sparkling wine corks

Adhesive test on capsulated cork stoppers

Vial stopper needle penetrability residual seal force and torque testing

Torque testing CRC closures with a pneumatically-controlled downward force

PET Screen Protector Release Liner Peel Testing

Lipstick shear force resistance

Hand sanitiser dispenser pump testing

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Peel strength of foam band on PPE face visors

Edge Crush Test (ECT) of corrugated cardboard

Break-loose and sustaining force tests of pre-filled drug cartridges to ISO 11608-3

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Testing Ventilator and Breathing Assistance Apparatus Components

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Mecmesin's materials testers

Top-load crush of plastic bottle with semi-automated test process

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