flashing ring

flashing ring

[′flash·iŋ ‚riŋ]
(engineering)
A ring around a pipe that holds it in place as it passes through a partition such as a floor or wall.

flashing ring

A collar around a pipe to secure it as it passes through a wall or floor.
References in periodicals archive ?
- a built-in flashing ring indicating the status of the microphone unit
At the North Central branch, ringleaders such as Carolyn Read of Bolton, pay $100 to wear an attention-grabbing flashing ring that generates questions and, hopefully, donations.
UK Barbie bride with flashing ring - pounds 12.99 from Argos US Barbie and the 12th Dancing Princess Genevieve Doll - pounds 10.99 from Toys R Us
London's circular has promoted a ClearSounds phone with an extra-large key pad and a bright flashing ring strobe.
Over 100 guests were given glow sticks and neon flashing rings as they enjoyed cocktails including 'Sex on the Beach' and 'Blue Lagoons'.
The other toys include football bobble head cake decorations, Shrek the Third and Spider-Man 3 flashing rings, children's jewellery and toy gardening tools.