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Supplement manufacturing glossary

Definitions for capsule filling, counting and bottling, and blister packaging: materials, equipment, measurements and project terms.

Search by name, abbreviation or alias. Each term has one category and may apply to several processes. Select a term for its full explanation.

137 terms

Blister packaging

Alu-Alu blister

A blister using an aluminium-based forming laminate and an aluminium foil lid.

Capsule filling

Angle of repose (AOR)

The angle between the horizontal and the sloping surface of a powder pile formed under defined conditions.

Counting & bottling

Application torque

The turning moment applied when tightening a screw closure onto a container.

Capsule filling

Auger feeding

Moving powder from a hopper with a rotating screw, either toward capsule bodies or into a capsule filler’s powder-dosing area, depending on the machine.

Blister packaging

Barrier properties

The ability of a material or package to restrict passage of a specified gas or vapour.

Blister packaging

Blister cooling station

A machine station that cools sealed blisters or the sealed web after heat sealing.

Blister packaging

Blister embossing

Mechanically impressing a mark or pattern into blister packaging material using shaped tooling.

Blister packaging

Blister pack

A package with formed cavities that hold products and a lidding material sealed over them.

Blister packaging

Blister perforation

A deliberately formed line of intermittent cuts or holes that provides a tear path in a blister pack, for example to separate individual cavities.

Blister packaging

Blister product-presence inspection

Inspection that checks whether a product is present in the expected blister pocket or location.

Blister packaging

Blister punching

Cutting sealed blister material into the required individual pack outline.

Counting & bottling

Bottle back-up

A build-up of bottles at a machine’s discharge when downstream flow cannot clear them as required.

Counting & bottling

Bottle opening diameter

The internal diameter of the bottle neck opening, commonly identified as the I dimension on a neck-finish drawing.

Counting & bottling

Bottle overfill

For count-based filling, a bottle containing more pieces than its specified fill count.

Counting & bottling

Bottle underfill

For count-based filling, a bottle containing fewer pieces than its specified fill count.

Counting & bottling

Bottle unscrambler

A machine that orients empty bottles and feeds them upright onto a production line.

Counting & bottling

Bottles per minute (bpm)

A rate expressing the number of bottles handled or filled in one minute.

Capsule filling

Bridging

Formation of a self-supporting powder or particle arch above a hopper outlet that obstructs discharge.

Capsule filling

Bulk density

Powder mass divided by its occupied bulk volume, including spaces between particles.

Counting & bottling

Cap liner

Material fitted inside a closure; an induction liner includes a foil and a heat-seal layer for bonding to the container.

Counting & bottling

Cap sorter

Equipment that presents caps in the required orientation and feeds them toward the capping operation.

Counting & bottling

Capping

Applying and securing a closure to a filled bottle.

Capsule filling

Capsule banding

Applying a sealing band around the joint between the body and cap of a two-piece capsule.

Capsule filling

Capsule brittleness

The tendency of a capsule shell to crack or break under force with little permanent deformation.

Capsule filling

Capsule capacity

The volume specified as available for a capsule fill, normally expressed in millilitres.

Capsule filling

Capsule closing

Rejoining the cap and filled body of a two-piece hard capsule at the closing stage of the filling process.

Capsule filling

Capsule closing force

The force applied to bring a two-piece capsule’s cap and body into the fully closed position.

Capsule filling

Capsule dimensional tolerance

The specified permitted variation for a particular capsule dimension, such as cap or body length or outside diameter.

Capsule filling

Capsule fill weight

The mass of the material inside a capsule, excluding the capsule shell.

Capsule filling

Capsule locked length

The overall length of a two-piece capsule after its cap and body are joined in the final locked position.

Capsule filling

Capsule ovality

An oval-shaped departure from a circular cross-section of a capsule cap or body.

Capsule filling

Capsule polishing

A finishing operation that removes residual powder or dust from the outside of filled capsules.

Capsule filling

Capsule pre-lock length

The overall length of an empty two-piece capsule with its cap and body held together in the preliminary joining position before filling.

Capsule filling

Capsule rectification

Orienting empty two-piece capsules into a consistent cap-and-body direction before they enter the filling machine’s subsequent handling stages.

Capsule filling

Capsule sampling

Selection of capsules from a defined batch or population for an identified inspection or measurement purpose.

Capsule filling

Capsule separation

Opening a two-piece hard capsule by separating its cap from its body so the body can receive the fill.

Capsule filling

Capsule shell eccentricity

In a geometric description of a shell section, an offset between the centres of its inner and outer contours.

Capsule filling

Capsule shell moisture content

The amount of water present in the capsule shell, expressed on a stated measurement basis.

Capsule filling

Capsule size

A size designation for a capsule shell, associated with a set of dimensions and a nominal capacity.

Capsule filling

Capsule wall thickness

The thickness of the material forming a capsule shell wall, specified for a defined location on the cap or body.

Capsule filling

Capsule wall-thickness measurement

Determination of the thickness of a capsule shell at a specified measurement location using an identified measurement method.

Capsule filling

Capsule wall-thickness uniformity

The consistency of capsule shell wall thickness across specified measurement locations.

Capsule filling

Carr index (CI)

An empirical compressibility index based on changes in powder packing between loose bulk and tapped measurements.

Blister packaging

Cartoning

Placing products or primary packs into cartons as a secondary packaging operation.

Counting & bottling

Challenge test

A check using samples with known characteristics to assess a specified inspection response and, where included, the rejection response.

Projects & changeovers

Changeover

Changing a machine or line from one product or pack format to another.

Blister packaging

Channel leak

A continuous leak path through a seal region between joined packaging materials.

Blister packaging

Cold forming

Mechanically shaping a formable aluminium-based laminate into blister cavities without the plastic-web preheating used in thermoforming.

Capsule filling

Contact measuring force

The force applied to a specimen by the contacting elements of a measuring instrument during a measurement.

Blister packaging

Container closure integrity (CCI)

The ability of a package system, including its container and closure or seal interfaces, to maintain its intended protective barrier under defined conditions.

Counting & bottling

Controller scan time

The elapsed time for one defined cyclic pass of a controller’s program, with the associated processing included by that controller’s scan-time definition.

Blister packaging

Coolant flow rate

The volume of cooling liquid passing through a specified circuit per unit time, commonly stated in L/min or L/h.

Blister packaging

Coolant supply–return temperature difference

The difference between cooling-liquid return and supply temperatures for the same circuit under stated operating conditions.

Blister packaging

Cooling load

The rate at which heat must be removed from an application under specified operating conditions, commonly expressed in W or kW.

Counting & bottling

Cotton inserter

A machine that inserts cotton into bottles as part of a packaging line.

Counting & bottling

Count per bottle

The selected number of individual tablets or capsules to be dispensed into each bottle.

Counting & bottling

Counting accuracy

How closely a counting result agrees with the reference count.

Counting & bottling

Counting channel

A product path through a counting unit that presents individual pieces to the detection system.

Counting & bottling

Counting error

In a count measurement check, the reported count minus the independently established reference count.

Counting & bottling

Desiccant inserter

A machine that places a desiccant pouch or canister into a bottle during packaging.

Counting & bottling

Detection resolution

In optical product detection, the specified smallest object dimension that a sensing arrangement can detect under stated conditions.

Blister packaging

Dew point

The temperature at which water vapour in a gas begins to condense as the gas is cooled at a specified pressure.

Capsule filling

Dosator

A volumetric dosing device used in capsule filling, including powder-dosing applications.

Capsule filling

Dosing disc

A disc with bores in which powder doses are formed before transfer into capsule bodies.

Counting & bottling

Double-tablet detection

A counting or inspection function intended to distinguish a two-unit product presentation from a single tablet event.

Blister packaging

Dry coating weight

The mass of a dried coating per unit coated area, commonly expressed in g/m²; for blister materials, the coating layer being specified must be identified.

Blister packaging

Dye-ingress testing

Exposing a package to a coloured dye solution under defined conditions and checking whether dye enters through a leak path.

Counting & bottling

Dynamic checkweighing

Checking the weight of individual products or packs as they move through a production line.

Projects & changeovers

Factory acceptance test (FAT)

Testing at the supplier’s site before delivery to check the equipment or system against agreed requirements.

Counting & bottling

False accept

An inspection decision that accepts a unit which actually has the defect being checked.

Counting & bottling

False reject

An inspection decision that marks a conforming unit for rejection.

Counting & bottling

False reject rate (FRR)

The number of conforming units incorrectly marked for rejection divided by the conforming units checked.

Blister packaging

Force-decay testing

A leak-test approach that monitors the force generated by a flexible package under a controlled pressure difference.

Projects & changeovers

Format parts

Interchangeable machine parts used for a particular product size or package format.

Blister packaging

Forming depth

The depth of a blister cavity, typically expressed in millimetres in machine format specifications.

Blister packaging

Forming web

The continuous material from which blister cavities are formed.

Capsule filling

Hard-shell capsule

A two-piece capsule shell designed to receive a formulation; gelatin and HPMC are common shell materials.

Capsule filling

Hausner ratio (HR)

The ratio of a powder’s tapped density to its loose bulk density.

Blister packaging

Heat-seal coating

A coating applied to a packaging substrate to enable a bond to a compatible mating material during heat sealing.

Blister packaging

Helium leak testing

Using helium as a tracer gas and detecting its passage through leaks in a package system.

Blister packaging

Hot-tack strength

The resistance of a newly formed heat seal to separation while the seal is still hot, before it has cooled to ambient temperature.

Capsule filling

HPMC capsule

A capsule whose shell uses hypromellose, also called hydroxypropyl methylcellulose, a cellulose derivative.

Blister packaging

Index length

The distance a packaging web advances in one indexing step, measured along its direction of travel.

Counting & bottling

Induction sealing

Using an electromagnetic field to heat a foil liner so its heat-seal layer bonds to the container rim.

Counting & bottling

Input hysteresis

A difference between the input thresholds that switch a signal ON and OFF, so the current switching state depends on the direction of the input change.

Counting & bottling

Input signal filtering

Processing of an input signal to suppress selected disturbances or to qualify which signal changes are passed to downstream logic.

Blister packaging

Leak testing

Testing for a path that allows gas or liquid to pass through a package or its closure.

Blister packaging

Lidding foil

A foil-based material sealed to the formed blister web to close filled cavities.

Counting & bottling

Light time and dark time

In through-beam counting, durations of the received-light and beam-interruption states: light time for a clear beam and dark time for an obscured beam.

Capsule filling

Measurement uncertainty

A non-negative measure of the dispersion of values that can be attributed to the quantity being measured, based on the available information.

Capsule filling

Metrological traceability

The property of a measurement result that connects it to a specified reference through a documented, unbroken calibration chain, with uncertainty contributions at every link.

Counting & bottling

Miss rate (FNR)

The number of known-defective units missed by an inspection divided by the known-defective units checked.

Counting & bottling

Neck finish

The shape and dimensions of the top of a container that accommodate its closure, including the relevant thread and sealing geometry.

Counting & bottling

No-bottle-no-fill

A filling-control function that prevents product discharge when the required receiving bottle is not detected at the filling position.

Blister packaging

Non-destructive package testing (NDT)

Testing intended to assess a package without damaging the package or its contents.

Counting & bottling

Optical counting

Counting individual products using light-based detection as they pass a sensing point.

Blister packaging

Oxygen transmission rate (OTR)

The volume of oxygen transmitted through a unit area of material per unit time under specified conditions.

Blister packaging

Permeation

Movement of gas or vapour through a solid barrier material.

Blister packaging

Pinhole

A small, localised hole in packaging material, such as a blister forming web or lidding material.

Blister packaging

Platen sealing

Sealing a blister web and lid between flat sealing plates.

Capsule filling

Powder flowability

How readily a powder moves under specified handling or test conditions.

Capsule filling

Powder plug

A compacted portion of powder formed during dosing and transferred into a capsule body.

Capsule filling

Powder-bed height

The depth of the powder layer presented to the dosing mechanism in a capsule filler, measured relative to the machine’s specified reference surface.

Blister packaging

Print registration

Controlling the position of printed artwork relative to the packaging operation, such as aligning a preprinted web with the blister layout and cutting position.

Counting & bottling

Probability of detection (POD)

The probability that an inspection detects a specified defect under stated conditions.

Counting & bottling

Product discharge gate

A movable gate or flap in a counter’s product path that controls when tablets or capsules are held and released for bottle filling.

Counting & bottling

Product overlap

A presentation in which two or more tablets or capsules partly or fully obscure one another in the inspection or counting view.

Counting & bottling

Product singulation

Separating bulk tablets or capsules into individually presented product streams for counting or inspection.

Blister packaging

PVC/PVDC film

A blister-forming material combining polyvinyl chloride (PVC) with a polyvinylidene chloride (PVDC) coating.

Capsule filling

Ratholing

Discharge through a narrow flow channel while surrounding bulk material remains stationary.

Counting & bottling

Reject confirmation

Feedback used to check that a commanded rejection has produced the expected physical response.

Counting & bottling

Reject system

A mechanism that diverts items identified as outside configured inspection criteria from the normal product flow.

Counting & bottling

Removal torque

The turning moment needed to loosen a screw closure under the stated package and test conditions.

Blister packaging

Rotary sealing

Sealing blister material and lidding with rotating sealing tools.

Blister packaging

Seal cooling time

A specified interval after heat sealing during which the seal cools before a defined handling or measurement endpoint.

Blister packaging

Seal initiation temperature (SIT)

The lowest sealing temperature at which a seal reaches a stated onset or strength criterion under defined test conditions.

Blister packaging

Seal strength

The mechanical resistance of a package seal to separation or failure under a specified test.

Blister packaging

Sealing dwell time

The period during which the sealing tools are in contact with the packaging materials to form a heat seal.

Blister packaging

Sealing pressure distribution

The pattern of local contact pressure across the surfaces brought together during sealing.

Blister packaging

Sealing window

The range of heat-sealing conditions within which a specified material combination achieves defined seal results.

Counting & bottling

Sensor blind zone

A position or region in a product passage that lies outside the effective sensing area, allowing a product to pass without sufficient detection.

Counting & bottling

Sensor repeatability

The consistency of a sensor’s detection or switching result when the same sensing event is repeated under stated, unchanged conditions.

Counting & bottling

Sensor response time

The delay between a change in the sensor’s optical input and the corresponding operation or reset of its electrical output.

Counting & bottling

Signal debouncing

Filtering that qualifies an input-state change to suppress unwanted brief or repeated transitions before they are treated as valid events.

Counting & bottling

Signal timing jitter

Variation in the timing of a signal edge relative to a defined reference or expected event time.

Projects & changeovers

Site acceptance test (SAT)

Testing at the receiving site after equipment delivery, covering the system in its operating environment and its interfaces.

Counting & bottling

Tablet counting

Separating and counting individual tablets or capsules before dispensing a selected quantity into a container.

Capsule filling

Tamping pin

A pin that compresses powder in a dosing-disc bore during tamping-style capsule filling.

Capsule filling

Tapped density

Powder density determined after mechanically tapping a container holding the sample.

Blister packaging

Thermoforming

Shaping a heat-softened plastic web into blister cavities.

Capsule filling

Uncertainty budget

A structured account of the uncertainty contributions for a defined measurement, including how those contributions are evaluated and combined.

Projects & changeovers

User requirements specification (URS)

A document describing what users and owners need an equipment system to do, providing a reference for design and verification.

Blister packaging

Vacuum-decay testing

A leak test that monitors pressure changes over time in an evacuated chamber containing the package.

Counting & bottling

Vibratory feeder

A feeding device that uses vibration to move and separate tablets or capsules toward the counting unit.

Blister packaging

Water vapour transmission rate (WVTR)

The mass of water vapour transmitted through a unit area of material per unit time under specified conditions.

Blister packaging

Web tension

The tensile force acting along a web of film or foil as it is unwound, transported or rewound through packaging equipment.

Blister packaging

Whole-package transmission rate

The amount of a specified gas or vapour passing through a complete package per unit time under defined test conditions.