>Just as I thought I was getting a hang of the 'Merkun jargon on all these,
>someone has to throw in a "Freeze Plug".
>From the discussion, and the descriptions I guess this is what was called in
>the UK, a Welch Plug (Spelling?).
>For a minute I was going to describe the Welch plug as a spring steel
>insert for the block, about the size of a penny - but then the 'Merkun penny
>is a different size as well!.
Well, just to confusticate some more, in the UK they're called 'core plugs'.
A welch plug is an altogether different animal, it's a domed steel disc
which is fitted into a counter-bored hole and tapped on the dome with a
hammer to increase its diameter to seal into the hole. Available in
different sizes, but I can't think just now of where one is fitted on a
Richard Smith (email@example.com)
Antique Auto restorer, Agricultural engineer, shepherd, electrician,
electronics design engineer (in order of income!)