Case sealer

A case sealer or box sealer is a piece of equipment used for closing or sealing corrugated boxes. It is most commonly used for regular slotted containers (RSC) and can involve adhesive (cold water-borne or hot melt adhesive), box sealing tape, or Gummed (water activated) tape.

A semi-automatic box sealing machine.

A large roll of box-sealing tape in the tape head of a case-sealing machine.

By contrast, a case erector is equipment for setting-up flat (knocked-down) corrugated boxes and applying a closure to the bottom flaps.

Semi-automated

With semi automatic equipment, the operator typically fills and loads a box at the entrance to the case sealer; the box may or may not have the bottom flaps previously closed. The operator closes the top flaps and feeds the box in or through a machine which automatically applies the closure. This helps save time and controls the application of the closure materials such as box sealing tape

Fully automated

Fully automatic equipment is available which does not require an operator. All functions, including closing the flaps, can be automated.

Other

Case sealers can also be categorized as either adjustable to fit production runs of a uniform box size or random, capable of handling a mixed variety of box sizes without machine adjustment.

Several machine design options have been developed.[1][2][3][4]

Notes

US 4044527 A, Ulrich, "Apparatus for sealing containers", published 1977
US 6067773 A, Li, "Semi-automatic random box sealer", published 2000
US 3775937 A, Deven, "Automatic random size box sealer", published 1973
US 5730831 A, Jensen, Mitchell, Vasselakes, "Adjustable tape width case sealer", published 1998

References

Yam, K.L., "Encyclopedia of Packaging Technology", John Wiley & Sons, 2009, ISBN 978-0-470-08704-6

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