OldTools Archive -- message 232220

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232220

Kirk Eppler <eppler.kirk@g...>

Aug-06-2012

Re: Corrugations

www.google.com/patents/US*96052

The original patent* claims:

To reduce the excessive friction caused by their flat and even faces....

The less metal to remove may have come from this:

http://www.popularwoodworking.com/woodworking-blogs/chris-schwarz-blog/corrugations-stopping-stiction-or-for-suckers

Kirk in HMB
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