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Re: Corks coming loose

Author: Bob Bernardo
Date: 2017-08-21 02:16

I'm not sure if I completely understand whats doing on. The tenon MUST be very clean. You can try alcohol but wear gloves and try acetone. In fact acetone is one of the main compounds in Contact Cement; not alcohol. In fact use gloves when applying the cement to the joint and the cork. Acetone is easy to find. Nail polish removers usually contain it. So get some at your local Walmart or ask your wife, unless you use polish! Once you feel the joint is clean you can lightly use 1000 grit sandpaper to assure every peace of junk is removed off of the tenon. Preparation often takes 30 minutes and putting on the new cork takes less than a minute.

You can use contact cement or shellac. I kinda like contact cement. But there is a trick I use. Once you've cleaned the tenon well then put the cement on the cork and the tenon I like to use a thick rubber band and wrap it over the cork for a few hours. You have to do this with shellac as well. Most people don't do this anymore. Again, really wide rubber bands. If time allows maybe wait a day, although a few hours is probably fine before removing the rubber band. Then I like to us nail files to finish up that perfect fit. Again ask your wife or go to Walmart. A package should last for years, costing about $3.

On some joints I will find the cork too small and we often get that wobble in the horns and the mouthpieces. I then remove the cork and put the joint on a wood lathe and lengthen the width of where the the new cork will go. If you do this extra work the wobbles do away with the new wider corks. You now have a very solid fitting horn.

This is a pet peeve of mine. Seems like EVERY instrument company makes corks too small causing these wobbles. It really bugs me. A huge sign of a lack of any musicians input and why instruments often need a lot of work after you've spent $5000 to $10,000 and up for a new horn and it doesn't work.

Designer of - Vintage 1940 Cicero Mouthpieces and the La Vecchia mouthpieces

Yamaha Artist 2015

Post Edited (2017-08-21 02:47)

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Corks coming loose new

kdk

2017-08-20 00:23