Metal tubes used to keep roof gutters open Long nails (ferrule spikes) are driven through these tubes and hold the gutters in place along the fascia of the home
A ferrule is a metal or rubber cap that is fixed onto the end of a stick or post in order to prevent it from splitting or wearing down. a piece of metal or rubber put on the end of a stick to make it stronger (verrel (15-19 centuries) (influenced by ferrum ), from viriola )
A component with a precise capillary which holds a fiber in place and aids in its alignment The typical ferrule has an OD of 2 5mm, and a capillary of about 126 microns Singlemode versions normally carry tolerances on OD, ID and concentricity of one micron or less The material of choice since the late 80s has been tetragonal zirconia with a grain size less than 0 5 microns
a small metal sleeve placed inside a gutter at the top A spike is nailed through the gutter into the fastening board The ferrule acts as a spacer in the gutter to maintain its original shape
The ferrule of a paint brush is the metal part which holds the hairs of the paint brush in The hairs of the brush are often held in place with glue, which melts when hot tap water is applied to it For this reason, it is important to only clean brushes in cold or warm water when using acrylic paints
A small alignment tube attached to the end of the fiber and used in connectors Generally made of stainless steel, alumina, or zirconia, used to confine and align the stripped end of a fiber
Small plastic collar put on shaft next to the clubhead which promotes a transition from the shaft to the clubhead A ferrule is mainly for asthetic purposes
The sleeve used to form an eye termination in steel wire rope The ferrule is pressed onto the rope under great pressure from a hydraulic press Can be made from aluminium alloy, copper or steel Submitted by Piers from London, UK