Bottle with internal threaded stopper

[cowseatmaize]

I still have a lot to learn from this forum.

We all do, There are many cases where the method is only known by the people who did them. But since they've mostly passed away we can only figure from what's been documented or speculate ourselves.
I was trying to be argumentitive in any way.
As for the lip I do see the seams. Now I'll speculate and hope someone can back me or prove me wrong. I'd be just as happy with either.
I does look like a seam but I'd guess it was formed in a mold by clamping 2 halves around a matching thread, kind of like pressed glass. Then cutting off and applying it. This is only because my brain still can't think of a way for it to be a fully a automatic single stage process.
I can think of a way to automate it in 2 stages or by a seprate machine but I don't know if it was ever done that way. It would be similar to above but done by a machine.
I would guess that such a machine would have been made a while after the Owens, perhaps around 1912.
Maybe Roger will check in. He's from where most of those were made and may have researched it. grimdigger1 and others may know too, I don't though.

 

[Mihai]

If I would be a 1912 bottle maker who wants to adapt an ABM to making internal thread I would fix a metal bit, like a normal screw bit used for drilling holes but with a bigger length, which can be pull out once the glass settled.

Lucky guys I wasn't around at that time. I might have spoiled the bottle making industry forever.

 

[Ye Olde Prospector]

Hi Mihai and Eric,

Here is a bottle with internal threads and stopper I dug a while back. It is 3 in. tall, all clear glass. Guessing it was a chemical bottle of some type. Probably dates from the 1920's. Saved it only because thought it was a different type closure. Not sure if it was made in US or Foreign.

Cliff

 

[Ye Olde Prospector]

It has "PAT"D/ FEB 14 1922" embossed on the neck portion in very small print. You can see the internal threads.There is also a "3" embossed on the bottom.

 

[Ye Olde Prospector]

The stopper was molded separately. I am guessing that it might have had a rubber "O" ring to seal the bottle better. Hope this if helps.

Cliff

 

[Mihai]

My bottle has on bottom written "124" I think, a "G" in the centre and an "I" or "1" just below.

 

[capsoda]

The internal thread stopper was invented in America by S.A. Whitney, Glasbobough, N.J., of the Whitney Glass Co. and was patented in 1861. The internal stopper caught on in England but wasn't used in the US much.

Your bottle was made on a semi automatic bottle machine and the top was finished before the bottle was actually blown. The internal stopper was being pushed aside by easyer to manufacture, cheeper and easyer to use stoppers by the late 1800s and in some forms is still being used today.

Your bottle dates between 1881 and the very early 1900s. 1913 at the latest.

 

[Mihai]

And here you all have another chapter from the best-seller "The Da Capsoda Code". This forum will simply implode without this mountain of knowledge. No innuendos!

Thank you for your answer, Warren.

 

[ronvae2]

I does look like a seam but I'd guess it was formed in a mold by clamping 2 halves around a matching thread, kind of like pressed glass. Then cutting off and applying it. This is only because my brain still can't think of a way for it to be a fully a automatic single stage process.

ORIGINAL: cowseatmaize
I'm no expert at all, but I agree with this. I think that seam, though it is in the right place to mean machine-made, somehow came from a hand-made process. Those lips resemble bottles I have from 1880-1910-ish (that I've gotten dated by people who know).