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What is the metal cap on a bottle called?

Widely referred to as a ‘screw cap’, the metal caps often used on wines and spirits which resembles a cork foil is known – in the industry at least – as an ROPP cap.

ROPP is an acronym of Roll On Pilfer Proof and refers to the cap fitting process along with the fact that the cap’s perforations and collar arrangement provide an anti-tamper feature; making it evident of the bottle’s cap has been removed or interfered with in any way.

Special equipment is required to fit ROPP caps to bottles, such as our ROPP Capper for small scale production, or the Posicap ROPP for higher production volumes.

Both systems apply the cap in a similar way. A ‘blank’ cap is positioned on top of the bottle and a capping head compresses the blank via rollers to mimic the shape of the bottle’s neck; including it’s screw thread. The bottle’s neck acts as a die for the cap to be formed around. The cap’s perforations are positioned below the between the thread and the bottleneck’s retaining ridge, creating the tamper-evident seal.

ROPP Caps
ROPP Caps

What is the metal cap on a bottle called?

Widely referred to as a ‘screw cap’, the metal caps often used on wines and spirits which resembles a cork foil is known – in the industry at least – as an ROPP cap. 

ROPP is an acronym of Roll On Pilfer Proof and refers to the cap fitting process along with the fact that the cap’s perforations and collar arrangement provide an anti-tamper feature; making it evident of the bottle’s cap has been removed or interfered with in any way.

Special equipment is required to fit ROPP caps to bottles, such as our ROPP Capper for small scale production, or the Posicap ROPP for higher production volumes.

Both systems apply the cap in a similar way. A ‘blank’ cap is positioned on top of the bottle and a capping head compresses the blank via rollers to mimic the shape of the bottle’s neck; including it’s screw thread. The bottle’s neck acts as a die for the cap to be formed around. The cap’s perforations are positioned below the between the thread and the bottleneck’s retaining ridge, creating the tamper-evident seal.

ROPP Caps
ROPP Caps

What is the metal cap on a bottle called?

Widely referred to as a ‘screw cap’, the metal caps often used on wines and spirits which resembles a cork foil is known – in the industry at least – as an ROPP cap. 

ROPP is an acronym of Roll On Pilfer Proof and refers to the cap fitting process along with the fact that the cap’s perforations and collar arrangement provide an anti-tamper feature; making it evident of the bottle’s cap has been removed or interfered with in any way.

Special equipment is required to fit ROPP caps to bottles, such as our ROPP Capper for small scale production, or the Posicap ROPP for higher production volumes.

Both systems apply the cap in a similar way. A ‘blank’ cap is positioned on top of the bottle and a capping head compresses the blank via rollers to mimic the shape of the bottle’s neck; including it’s screw thread. The bottle’s neck acts as a die for the cap to be formed around. The cap’s perforations are positioned below the between the thread and the bottleneck’s retaining ridge, creating the tamper-evident seal.

ROPP Caps
ROPP Caps

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