Thin metal wedges for door casing corners - Woodworking Talk - Woodworkers Forum
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post #1 of 26 Old 02-06-2010, 09:43 AM Thread Starter
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Thin metal wedges for door casing corners

A long time ago when I used to help another carpenter, he had some thin metal wedges that when drove into the outside corner slot (1/16" maybe) we cut into each side of the corners would literally pull the joint tight. It was so tight that we could actually build the casing for around a window at our shop, throw it in the truck, transport to the job, and install. Those joints would simply NOT open up without destroying something. I have not seen them in years, but when recently doing an addition to my parents house which was built in the '70s, there they were! Does anyone know about these, where to get them, the router bit we used, why are they not still used?
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post #2 of 26 Old 02-06-2010, 05:12 PM
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My son is a plasterer and the straight edge he uses is made from wedge profile alloy. Perhaps one of these could be sliced up, there are small wedges used to secure axe heads. Try a hardware store.
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post #3 of 26 Old 02-06-2010, 08:27 PM
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They are still used today. When I order prehung doors for a job I get asked if I want precut casing for the job. The millwork will cut and join the casing with the metal spline. I googled it and could not tell you where to get them but if you call a local millwork, I bet you could buy some or find out who there supplier is.
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post #4 of 26 Old 02-07-2010, 10:38 AM Thread Starter
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Thanks Julian, It sounds like yours are the ones. Very hard for me to describe. A thin metal slice about 5/8" wide, 1 1/4" long, about a 30 degree point on one end and the same shape in a "v" on the other. Has little fins about 1/8" shy along the almost parallel edges for the bite that are just a hair narrower on the trailing end to "pull" the joint together.
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post #5 of 26 Old 02-07-2010, 11:45 AM
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my bil still uses them, i'll ask him when i see him. he had a slot cutter he used on his shaper for the molding miters, but i imagine a router table setup could also be used. it sure pulled em tight alright. he never did anyhting with the slots when done tho.
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post #6 of 26 Old 02-07-2010, 05:21 PM
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senco makes a gun driven one that u shoot form the backside of the trim

Last edited by pappagor; 02-07-2010 at 05:34 PM.
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post #7 of 26 Old 02-07-2010, 05:31 PM
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senco makes a gun driven one that u shoot form the backside of the trim
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post #8 of 26 Old 02-09-2010, 03:22 PM
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Thin metal wedges for door casing corners

I don't know if this is what you're talking about, but this comes to mind.


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post #9 of 26 Old 02-09-2010, 03:56 PM
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Quote:
Originally Posted by pappagor View Post
senco makes a gun driven one that u shoot form the backside of the trim
The gun from senco you are referring to shoots a corrugated fastener. Which many manufacturers use in applications like this. You would shoot this in from the backside so it is not seen. You would also need the gun that shoots corrugated fasteners. But I don't think this is what he is looking for. But this would do the same thing.

http://www.google.com/products?hl=en...ed=0CCAQrQQwAA

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Last edited by jlord; 02-09-2010 at 03:59 PM.
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post #10 of 26 Old 02-09-2010, 07:07 PM Thread Starter
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Roger, that is close but not it. If I can figure out how to draw and post a CAD view, I will. One thing for sure, it definately is not a cor. fastener shot with a gun.
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post #11 of 26 Old 02-09-2010, 08:26 PM
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I think I may have some in my garage. If they're still boxed, and labeled I'll post. (My shop still haven't recovered from our last move.)
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post #12 of 26 Old 02-22-2010, 07:01 PM
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i think the wedge or metal spline is called "clamp nail" it involves a thin kerf saw blade to slice a slot in the miter surfaces, a miter clamp to hold the mitered pieces in place, and a driver to set the tapered splines. sorry it took me so long to get back.
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post #13 of 26 Old 02-24-2010, 10:52 AM
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clamp nails

I agree with Tim. They are clamp nails and should be available from woodworking or picture frame equipment suppliers. Should be available in machine or hand applied.
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post #14 of 26 Old 02-24-2010, 05:37 PM
where's my table saw?
 
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If you find any post a picture

My mom knew the original owners or inventors of these. I thought I had kept some somewhere, but I can't find them after searching the web for hours. I think they were spelled Klamp Nails, not real sure, as it was 40 years ago. Some where in Wisconsin maybe. I can picture them, maybe 3" long with small flanges along the edges to bite in and tapered in the width. Right? bill
Old Skool you find yours yet?

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post #15 of 26 Old 02-25-2010, 06:17 AM
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Joint Nails

Joint Nails

I use a bandsaw to cut the nail kerf.

http://www.mcfeelys.com/product/JN-0750

Last edited by Ogee Fillet; 02-25-2010 at 06:19 AM.
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post #16 of 26 Old 02-25-2010, 06:21 AM
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Yup!

Those are the ones. Thanks. They are no longer available. Darn. Seems like a great idea, probably expensive to manufacture tho. bill
BTW I also found these: http://www.jointnails.com/

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)

Last edited by woodnthings; 02-25-2010 at 06:27 AM.
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post #17 of 26 Old 02-25-2010, 07:58 AM
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Quote:
Originally Posted by woodnthings View Post
They are no longer available. Darn.
Yea, seen that.
If anyone has a source for the joint nails please post a link.
Iím about out of them, thanks.
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post #18 of 26 Old 02-25-2010, 04:54 PM
where's my table saw?
 
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Mc Feely's tech service wrote this

You can contact the manufacturer directly at: http://www.estadstamping.com/joint.html
Phone them at 800 346 6161 ask for Eva, a very nice lady who will take your order. Mention WWT so she'll know how you found them.
bill

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)

Last edited by woodnthings; 02-25-2010 at 05:08 PM.
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post #19 of 26 Old 02-25-2010, 05:25 PM
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I'm not sure if this is what you are looking for but it maybe. I just got the latest Rockler catalog and on the back page they have corrugated fastner tool. The picture they show appears to be fasting rails and stiles with this tool. If you don't have the new catalog it is item number 31166.
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post #20 of 26 Old 02-25-2010, 05:28 PM
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sorry that's not it

Corrugated fastners are very common and easy to find, these joint nails are very unusual and Mc Feely's has discontinued them. But the site above has them. bill

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)
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