Ambrell Induction Heating
Ambrell Induction Heating
heating a steel plate

Sealing Aluminum Foil Caps to Plastic Bottles

Apr 1, 2020 11:00:50 AM / by Brett Daly posted in THE LAB, cap sealing, induction cap sealing



THE LAB at Ambrell tested a cap sealing application for a client. It involved sealing a 1.5” (38.1 mm) diameter cap with foil to a plastic bottle within one second. The target temperature for this cap sealing application was 250-300 ºF (121-149 ºC). THE LAB determined that an EASYHEATTM 2 kW, 150-400 kHz induction heating power supply with a single turn helical coil of rectangular tube would meet the requirements of the client. 

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Application Video: Cap Sealing Large Bottles with Induction Heating

Nov 5, 2019 10:25:43 AM / by Brett Daly posted in cap sealing, induction cap sealing

In the latest application video from THE LAB at Ambrell, a cap sealing application is tested. Cap sealing with induction is a non-contact heating method that welds the foil laminate to the lip of the container, commonly plastic or glass. In this case, the client had been using a cap sealing device that wasn't delivering enough power for this large plastic container, so the heating wasn't fast enough to meet their throughput requirements. Consequently, they turned to THE LAB for a proper induction solution.

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Induction Seals for Plastic Bottles - Cap Sealing in Under 2 Sec.

May 12, 2016 3:07:38 PM / by Brett Daly posted in cap sealing, induction cap sealing

The objective of this application was to heat an aluminum seal for cap sealing to a plastic container. The client had been using another method for cap sealing which was more time and labor intensive. The client turned to THE LAB at Ambrell to see if induction heating with an Ambrell system could allow them to reduce their cap sealing process time to just seconds. 

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