Fasten or close (something) securely by applying heat to melt or glue an opening.
the insulated bag features heat-sealed and leakproof interior linings
Example sentencesExamples
Labels can be inserted into small polythene sachets, which can be pressure or heat sealed.
The waxed paper wrapper is heat sealed and then cooled, prior to being discharged onto a conveyor.
The fabric was heat sealed down onto the fragile silk, and the edges of each patch were neatly tucked under the velvet ribbon.
The bags are eventually separated off from the system by heat sealing the filling lines.
They're filled with Dots, heat sealed, and packed 50 to a carton.
It comes in a clear heat-sealed pack designed to hang on a hook at the store, showing off exactly what you're getting.
The heat-sealed fabric envelope was restrained by a net made of 3,500 meters of rope specially prepared by professional riggers and secured by 1,200 knots.
It features a triple heat-sealed headphone jack.
The feeder is designed to heat seal decorations, labels, flock transfers, appliques, and emblems.
They can be heat sealed, solvent bonded, or ultrasonically welded to other PVC parts.