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URL: Swing top stoppers at Toronto Brewing
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https://torontobrewing.ca/products/swing-top-replacement-lids-12-pack
Also called "Swingtop Grolsch Style Glass Bottle Replacement Cages".
Related Information
Slip cast leather-hard full-sized beer bottle prototype
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The commercial bottle on the right is 25cm high. These stopper mechanisms are a commodity item, millions are made and a wide range of bottles work with them. They are easy to find online and go by a variety of names (e.g. "Grolsch style flip top stoppers", "Swingtop Grolsch style bottle cages", "Porcelain swing top cap").
The slip cast bottle is on the left - this one is leather hard, recently extracted from a mold. It is made using a black-burning stoneware, the L4768D recipe. As a starting point, I used water/Darvan proptions outlined in the "Casting Recipe" section of the M370 data sheet. By the time this is fired it will be 10% smaller and will match the glass one on the right. The lugs are positioned to work well with swing-top stoppers.
Swing Top Stopper Mechanism:
Getting the measurement right
This picture has its own page with more detail, click here to see it.
To predict bottle neck diameter at the holes I measured the gap on all of the ones I have and got an average to work from. Then I 3D printed several iterations of the neck and settled on one that enabled being able to snap on the metal stopper fitting without stretching it. That being said, the wire assembly is bendable and can be adjusted for size, so it can be made to fit a range of neck diameters.
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