Topic

UL (and cheap) knife edge covers

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Dale Wambaugh BPL Member
PostedMar 16, 2013 at 6:24 pm

We're visiting with a friend who is quite the cook and I brought her a couple knives to celebrate the completion of her kitchen remodel. We we looking over some her old knives and pulled some out of a drawer. I spied a blade edge cover that I hadn't seen before and she told me it was the retainer strip from a report cover.

Genius! They are cheap and super light, in fact I'll bet you will find a drawer or box in most offices with orphaned strips like this.

They are best suited to straight blade profiles, but I'll bet that they can be curved a bit with a heat gun. I would add a rbber band to make sure it stays put.

The point? There are lots of light inexpensive knives that would be suitable for food prep and repairs while hiking, but they don't come with sheaths. Conventional sheaths could double the weight and the cost of these knives.

Report cover retaining stripReport cover retainer as knife edge guard

Side bar report covers:
Side bar report cover

David Thomas BPL Member
PostedMar 16, 2013 at 6:37 pm

Very nice find, Dale. I cobbled my own together out of HDPE and black tape for a Victorinox paring knife, but the report cover spine would be quicker, easier, and lighter.

Justin Baker BPL Member
PostedMar 16, 2013 at 6:41 pm

That's a good idea. But this wouldn't work with knives that have a curve near the tip. I wonder if you could heat up the plastic and form it over the edge.

Dale Wambaugh BPL Member
PostedMar 16, 2013 at 8:15 pm

"That's a good idea. But this wouldn't work with knives that have a curve near the tip. I wonder if you could heat up the plastic and form it over the edge."

Like the part where I mentioned a heat gun? :D

David Thomas BPL Member
PostedMar 16, 2013 at 9:02 pm

To gild the (cheap) lily a bit:

For a knife like you've shown, the report cover spine could be notched (with tin snips, razor knife, or belt sander ) so the ridge of the finger indent, right where the handle meets the blade, had a corresponding valley to index on. That, and the rubber band you mentioned, would make it very secure.

Dale Wambaugh BPL Member
PostedApr 19, 2013 at 11:40 pm

I got around to buying some report cover spines at a local office supply and cut some to fit kitchen knives with good trail potential.

They came in two heights: .280" and .365". The top knife is shown with the .365" and a 4.5" long section is 0.22oz/6.1g with the inner tube section rubber band. The smaller one on the bottom is 3.5" and 0.14oz/4g.

UL knife edge guard

UL knife edge guard

I heated the tips with a craft heat gun and pinched them closed. They are made of styrene and easily melted and manipulated.

Peter S BPL Member
PostedApr 21, 2013 at 6:10 am

this is a nice, K.I.S.S.-mod

I was actually just yesterday thinking of a good way to transport a big kitchen knife – this should do it.

…and now i have an excuse to buy a heat gun… ;-)

Dale Wambaugh BPL Member
PostedApr 21, 2013 at 7:05 am

The end pinch really isn't necessary. I was just fiddling around with it. As another poster mentioned, if you have a knife with a lot of curve, you may need to cut notches to get it to flex. You'll need a hacksaw, coping saw or bandsaw to cut this stuff (I used the latter).

The only reason I have a heat gun is that I found it in with the hair dryers at Goodwill for $1.99! You could (carefully) use a propane torch or even a lighter to soften this stuff for bending, just keep it moving. A canister stove or kitchen stove burner would work with proper caution.

You can scrape or sand the rough/sharp edges easily too.

Peter S BPL Member
PostedApr 21, 2013 at 7:26 am

Okay, good feedback Dale. This made the post by David easier for me to understand (English not being my first language). And you saved me some $'s there.

Dale Wambaugh BPL Member
PostedApr 21, 2013 at 7:59 am

Most stores that sell chefs knives also sell larger edge guards. They are a bit more expensive and heavier than the report cover spines, but they are deeper and can cover the curve of the larger knives without the cutting or bending.

The report cover spine wins for weight and the fact that most offices have a drawer full of cast-offs floating around. Another chapter in the art of Applied Junk :)

PostedApr 21, 2013 at 8:11 am

Great idea Dale, thanks.

Now who's going to drill holes in them to make them even lighter…… :-)

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