Presence and seating
- Missing-cap detection
- High-cap detection
- Skewed or tilted caps
- Cap-to-bottle alignment
- Incomplete visible seating
- Cap orientation
Verify every closure
Cap & Closure Inspection Systems
Detect missing, high, tilted, wrong or visibly damaged closures and tamper features—then track, reject and confirm the affected container.
Answer first
What does a cap inspection system check?
An in-line cap inspection system uses controlled camera views to compare each closure with the approved pack. It can confirm presence, height, tilt, colour, type, orientation and visible tamper-band condition before the bottle or jar reaches secondary packaging.
The inspection is engineered around the actual cap, neck finish, product speed and failure modes. It is connected to product tracking and a suitable reject device so a detection becomes a controlled production action.
100% in-line checksRecipe-controlled limitsReject confirmation
Inspection scope
Visible closure faults the system can control
The final set of checks is agreed from representative good, failed and borderline closures at production conditions.
Identity and condition
- Wrong cap type or colour
- Visible deformation or damage
- Printed logo or top-mark presence
- Tethered-cap orientation
- Tamper-band presence
- Visible broken or displaced features
Control and evidence
- Product recipe selection
- Fault-specific result records
- Automatic reject integration
- Reject confirmation sensing
- Lockable reject-bin options
- Fail-safe alarm and line stop
Typical closures
Screw capsROPP capsFlip-top capsTrigger closuresPump closuresTethered capsJar lidsTamper bands
Multi-view closure inspectionTop, side and wraparound views selected around the actual defect.
Optics and presentation
How cap defects are made visible
- 01
A top view confirms presence, colour, printed marks, orientation and gross deformation.
- 02
Side views measure cap height and tilt and inspect visible tamper-band features.
- 03
Several cameras or wraparound optics reduce blind areas around the closure circumference.
- 04
Diffuse, backlit or polarised illumination controls reflection from glossy caps and containers.
- 05
Stable guides, product pitch and vibration control keep the neck and cap in the approved inspection window.
From detection to control
A failed cap must remain linked to the correct bottle
The camera result, conveyor movement and reject timing are coordinated so the intended container is removed and the action can be proved.
Trigger
Detect each container in a stable position and link it to the correct inspection result.
Inspect
Apply the selected cap recipe, tolerances and visible defect rules.
Track
Follow the failed container from the camera to the reject point without losing identity.
Confirm
Verify removal and raise a controlled fault if the reject event or bin state is not confirmed.
Direct answers
Cap inspection FAQs
Representative closures and known failure samples are the quickest route to a dependable concept.
Ask an application question →What faults can a cap inspection system detect?
Depending on the closure and camera access, it can detect missing, high, tilted, wrong-colour, wrong-type or visibly damaged caps, closure position and visible tamper-band faults.
Can vision inspection prove cap torque?
No. A camera can check visible position and geometry but does not directly measure applied torque or leak integrity. Torque testing, capping-process monitoring or leak testing may be required as separate controls.
Can tethered caps and tamper bands be inspected?
Often yes. The camera arrangement can inspect visible bridges, band position, cap height, tilt and closure orientation, but representative samples are needed to define which defects are consistently visible.
Can the system reject a failed bottle automatically?
Yes. The inspection result can be tracked to a pusher, air blast, diverter or other suitable device, with reject confirmation, bin monitoring and fail-safe stopping where required.