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Threaded neck plaster mold? Rate Topic: -----

#21 User is offline   ayjay Icon

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Posted 26 July 2012 - 11:12 AM

This may be of interest in this topic as it's threaded, but very small, the thread is no bigger than 6mm or 1/4 inch. Are any of the commercially supplied moulds as small as this, if not how is the trick worked.

I dug it up (literally)a few years ago, I was digging a hole for a fence post and spotted a shiny pebble which required investigation, (anything is better than digging).

I have to assume it's a pepper pot, but I guess it could be a sand shaker, if anyone else has any info about it please shout.

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#22 User is offline   OffCenter Icon

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Posted 26 July 2012 - 01:12 PM

View Postayjay, on 26 July 2012 - 12:12 PM, said:

This may be of interest in this topic as it's threaded, but very small, the thread is no bigger than 6mm or 1/4 inch. Are any of the commercially supplied moulds as small as this, if not how is the trick worked.

I dug it up (literally)a few years ago, I was digging a hole for a fence post and spotted a shiny pebble which required investigation, (anything is better than digging).

I have to assume it's a pepper pot, but I guess it could be a sand shaker, if anyone else has any info about it please shout.

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What an interesting pot! Amazing that you didn't break it while digging. Any kind of ID on it?

Jim
E pur si muove.

"But it does move," said Galileo under his breath.
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#23 User is offline   Marcia Selsor Icon

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Posted 26 July 2012 - 01:56 PM

I agree. Very cool pot. I wonder what it's history is.
Marcia
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#24 User is offline   ayjay Icon

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Posted 26 July 2012 - 05:27 PM

View PostOffCenter, on 26 July 2012 - 07:12 PM, said:

Any kind of ID on it?

Jim


There's no markings on it anywhere; found in Bournemouth, England.
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#25 User is offline   Mudslayer Icon

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Posted 30 July 2012 - 07:45 PM

http://www.onedreamd...ndexpumps.shtml


these are the pumps I used, here are pics of the last ones I made about a year or so ago...
and you are right, Mark, you really never know what happens to some of your pieces you sell. I am lucky tho that a majority of the customers that bought the dispensers still buy from me today, and they have asked for different dispensers, different colors, etc, and I tell them that I no longer make them, and apologize, and show them something else they may be interested in.

I don't and never did use the plastic pumps, they really do look cheap...and if I think something looks cheap, I ain;t makin it......

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#26 User is offline   DallasGypsy Icon

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Posted 02 August 2012 - 02:00 PM

Love, love, love the brass pumps. Noticed that you can order the glue-on rings for them too.

But ... wondering if someone can tell me how you use the molds? Are they used with clay or slip? And do you attach them to your greenware by scoring & slipping? Or do you fire them separately and then let the glaze hold the whole thing together.
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#27 User is offline   Mudslayer Icon

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Posted 03 August 2012 - 05:22 AM

View PostDallasGypsy, on 02 August 2012 - 03:00 PM, said:

Love, love, love the brass pumps. Noticed that you can order the glue-on rings for them too.

But ... wondering if someone can tell me how you use the molds? Are they used with clay or slip? And do you attach them to your greenware by scoring & slipping? Or do you fire them separately and then let the glaze hold the whole thing together.



You use clay with the molds, you just shove the clay into the molds, and then use your needle tool to scrape the extra off at the bottom.
As far as firing, I did both. You wait until the clay is leather hard and very very carefully UNSCREW the clay from the mold. You can fire the neck by itself, or you can attach it to your greenware. The only issue I found when I did that was that when attaching, scoring and making sure that the neck was on correctly I sometimes would make the threads move a little bit out of line, and believe me, that will mess up the whole thing, because your pump will not thread on there.

I absolutely agree that the molds make the best necks, no doubt, BUT if you don't get them on correctly the piece is history.

the 2 styles of the neck are because of the thread pattern. you need to know which of your pumps will fit and which won't.
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