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Forum topic by Michael posted 03-29-2012 05:37 AM 980 views 0 times favorited 6 replies Add to Favorites Watch
View Michael's profile


32 posts in 1919 days

03-29-2012 05:37 AM

Topic tags/keywords: question

I bought a plate biscuit joiner at an estate sale and this was in the case. I am almost certain it is not part joiner as it appears to be an air valve type mechanism and there is nothing referencing it on Dewalt’s website.

So I think I have something that the old owner left in the case. Anyone know what it is for? Anyone want it?

-- Michael

6 replies so far

View bryguy22's profile


23 posts in 1248 days

#1 posted 05-13-2012 11:46 AM

Looks like a fire piston used for starting a fire in a survival situation. could be wrong and am probably wrong., but they are cool anyways.

-- Bryan, york pa

View mtenterprises's profile


878 posts in 1727 days

#2 posted 05-13-2012 02:56 PM

I want to say some kind of clamp or tracing styles.

-- See pictures on Flickr - And visit my Facebook page -

View bandit571's profile


10097 posts in 1718 days

#3 posted 05-13-2012 03:05 PM

Might be a control valve. Push in to activate another tool, via an air line? Push in=”ON”, allow it to return=”OFF” sort of thing. Looks like an air line hook up point near the plunger. Might be used to control a clamp powered by air? Either to clamp or un-clamp, push the plunger in?

-- A Planer? I'M the planer, this is what I use

View canadianchips's profile


2123 posts in 2031 days

#4 posted 05-13-2012 03:09 PM

OMG you have one of them also !
IT does look like an air valve for air clamps.

-- "My mission in life - make everyone smile !"

View patron's profile


13409 posts in 2376 days

#5 posted 05-13-2012 03:14 PM

cracker jacks
surprise for woodworkers

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View Michael's profile


32 posts in 1919 days

#6 posted 05-13-2012 04:12 PM

I’ll buy air valve for air clamps theory, it has a few rubber seals inside it. Are these expensive? Or anyone near Sunnyvale, CA want it?

-- Michael

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