Cap Sealing 3.5 Lotion Container

Objective

To heat an aluminum in-cap laminate to a temperature of 350 ºF (177 ºC) to seal the laminate to the container.

End Product

Lotion container

Equipment

Ambrell EASYHEAT™ 1.2 kW, 150-400 kHz solid state induction power supply with a workhead and coil specifically designed for this application.

Materials

Cap and laminate

Temperature

350 ºF (177 ºC)

Frequency

300 kHz

Testing

A single-turn helical coil generated the required heating pattern for this application. The induction system heated the assembled lid foil-container to the required temperature. The seal was achieved after ~1 second of heating.

Benefits

• Speed: Induction met the client’s time requirements as it took just 1 second and is generally faster than other heating methods.

• Economy: Power is applied directly to the foil; no energy is wasted heating the cap or the surrounding air or parts.

• Automation: This heating system is easily integrated into automated processes

• Control: The quality of the seal is ensured with the control of the heating system

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