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Sealing Machines




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Pack sealing or closing equipment is usually part of or situated immediately adjacent to the pack filling machine, for use before and after the filling operation. A number of different methods are available to close the pack, although each different type of pack has a limited number of options that are applicable.


Adhesive Sealing
Cold or hot melt adhesive applicator applies a shot or spray of adhesive on to the inside surface of the flaps of a carton or case prior to folding of the flaps.

Heat Sealing
Electrical cartridge elements provide heat to a contact surface to melt two polymeric packaging materials together under pressure. This technique is used in sandwich packs, ready meals and in modified atmosphere packaging. Opposite surface of pack needs supporting to oppose the applied pressure.

Stapling
Staples are used to hold the flaps of a multi-ply cardboard case together. The operation of pack stapling equipment works on the same principle of a desktop paper stapler, where the staple is displaced from a magazine and an anvil forms the opposite side of the staple.

Taping
Adhesive backed tape is applied to upper and lower closed flaps of a case. It is operated as the case is passed over the top of a tape head to seal the lower flaps or underneath of a tape head to seal the upper flaps. The tape applicator can be built in to a case erecting machine or be a simple hand held tape gun.

Can Seaming
The vertical edges of a rolled can body are formed around each other to lock together. The upper and lower edges of a can body and the can lid are formed around each other to provide a tight seal between the body and the lid. The body and lid seaming operation is carried out before and after the filling operation.
Sealing Machine
Sealing Machines

Capping Machines
Capping machines provide a closure and seal for bottles. The commonly used types of cap are screw, cork, plug and crown. The position of the bottle needs to be controlled, as it does for filling. A cap is picked up and located on the top of the bottle. For some applications a number of different caps are fitted to the bottle during successive capping operations.



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