Case sealing machinery specialists — UK supply, installation and support01494 623015 · sales@lancinguk.com

Flap closing options

Flap closing case tapers for automatic carton sealing

Plan flap control, case presentation and tape sealing together so cartons move through the line cleanly.

Automatic case taper with carton flap closing and tape sealing equipment

Why flap condition matters

A case taper can only apply consistent tape if the carton flaps are controlled. Some lines have operators fold the flaps before the carton reaches the machine; others need automatic flap closing to reduce manual handling and keep the process moving.

When automatic flap closing is useful

Flap closing becomes more important when output increases, operators are needed elsewhere or carton presentation must be consistent for downstream conveyors, labelling or palletising.

Carton quality and product fill

Overfilled boxes, light board or cases with strong flap memory can make flap closing more difficult. Samples or photos of packed cartons help check whether a standard approach is suitable.

Questions to ask before specifying

Confirm carton size range, case weight, flap style, output target, infeed direction and whether there is enough straight conveyor length before the sealer.

Next step

For a practical recommendation, send carton dimensions, packed case weight, tape details, target output and photos of the current packing area. The aim is to match the case taper to your cartons and workflow, not to force a standard machine into the wrong process.

Use the case taper quote form or call 01494 623015.

Flap closing case tapers for automatic carton sealing FAQ

Do all case tapers close flaps automatically?

No. Some are operator-fed with manual flap folding, while others include automatic flap closing.

Is flap closing suitable for mixed carton sizes?

It can be, but mixed sizes need careful checking and may require random-size equipment.

What causes poor flap closing?

Poor board quality, overfilled boxes, unstable product fill or incorrect infeed presentation can all cause issues.