Now that rustyric has confirmed that work "backwards" of typical pliers, I am wondering if could be a hog ring remover?  Not the little upholstery clips but the big hog rings that go on real hogs.  Maybe it spreads the ring so it can be removed.

Not sure that is right, but it does make sense.

"Maybe it spreads the ring so it can be removed"

Mmmm, kinda like the pliers to open and close lamp chain. 

I think amecks has the best idea.  But what does it stretch?  It has quite a bit of leverage

Exactly so what does it stretch ? I was thinking a primitive cow ear tagger, or maybe rubber bands around lambs tails ?
. Using something like a split ring ? However why is it oval not round ?

And what about that flange? 
I'm guessing that the pliers contract just enough for the flanged end to fit into something. Then you expand them to pull it towards you.

My guess is that they are some bushing or bearing removal tool where you can't get behind and push the part out???

Chilly

Bushing or bearing ? But OVAL ?

Quote from: Chillylulu on October 17, 2018, 11:49:06 AM
And what about that flange? 
I'm guessing that the pliers contract just enough for the flanged end to fit into something. Then you expand them to pull it towards you.

My guess is that they are some bushing or bearing removal tool where you can't get behind and push the part out???

Chilly

This makes since to me, put the lip inside a bearing race to pull it out of a blind hole

In my experiance bushing and bearings are not oval - the part above the flange is OVAL.

Oval would still be used,

The reason you would use an oval has to do with getting inside the hole. You can only expand to two sides, so an oval is needed. Any tool that would fit through a circle and expand couldn't be round. It would have as many sides as determined by how many directions the force is applied from the center out.  Bearing pullers can have 2, 3, 4 or more arms.

I dont think this would be used to pull a very tight bushing or bearing, but it would work on a round item.

I'm not at all sure of the use of these pliers. But I can see a few things about the tool that point us away from our best guesses so far.

1. The end is flat and isn'tt finished to the level of the inside of the flange.
2. The tool is keyed to keep alignment.
3. The tool is made to enlarge the business end.
4. The form suggests that the tool goes into something that is either open or bigger than the space it passes through.
5. If the plier was made to pull hard, I would expect that the end of the handles would be bent back.

Chilly

Yes Chilly great work I agree with your points 1 to 5.

However I still think we maybe barking up the wrong tree !

Maybe the answer could be in the name or the trademark - it looks like a bee, wasp, or fly.           

RustyRic, what are the deminsions of the working head on those things and how far will they open to.

It measures 1 11/16th" wide closed x 1 1/2" and 2" open x 1 1/2" and the gap in the top goes form 0 to 3/16" when handles are squeezed.

Well anymore suggestions ?

I'm still looking for an answer.