rev. 08.15.2006.
8-49
neck ring: The formed ring (transfer bead) around the neck to secure Pilfer proof or tamper evident band.
Newton Meters: A metric unit (Nm) measurement comparable to converted US Inch-pound units.
NIST: National Institute of Standards and Testing.
non-destructive: The act of maintaining the integrity of the product unharmed and unspoiled.
OD: Measurement of outside diameter.
perpendicularity: Bottle specification around the vertical axis of base and neck.
pneumatic head assembly: Parts making up the Electronic and pneumatic components of the torque tester
equipment.
PP: Pilfer proof
PSI: Pounds per square inch (measure of pressure)
QC: Quality Control
R: Range of values
range: The difference between the highest and lowest measured value.
real time: Logging actual time and date of occurring data.
release torque: The torque required to disengage the threads of a previously applied closure, including extensions of
non-destructive release, measured in units of inch-pounds (avoirdupois) or Newton-Meters (Nm).
removal torque: The rotational forces necessary to remove closure from the bottle.
RO (roll-on): The action of copying the threads of the bottle into the metal closure as the two are joined.
RS-232 Interface: A serial port connection from controller to interface a computer or printer.
“S” diameter: Vertical dimension from top of sealing surface to start of thread.
sealing surface: The uppermost portion of the bottle finish where the interface with the lining material of the closure
creates a barrier to transmission.
shoulder: The area between the neck and container body.
spotting lug: The notch formed into the bottle to aid in bottle indexing purpose.
standard deviation: A measure of the variation of data from the average.
SPC: Statistical Process Control
STDA: Proprietary data acquisition and process.
short thread: Closure threads of less than one full 360-degree turn of thread.
“T” diameter: Outside diameter of threads.
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