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Denna webplats är tvåspråkig, finns på både svenska och englska. För er som föredrar andra språk, har vi lagt till "google translate". Kom ihåg att automatiska översättningar ibland ger konstiga resultat...

- Our sheet glass exhibition
- Our pantograph
- Our guilloché machines
- Our presses
- Our semi-automatic bottle machine
- Our glass artefcts




Our two glass presses

The two presses already were in the building when we got access to it. That means that both presses have been used for production by Bergdala glsbruk in historic times. Among other things, they have been used to make glass blocks for the decoration of the underground station T-centralen in Stockholm.
(Read more about the history of glass pressing in Sweden here)

Here are our presses, the manual and the pneumatic.
By now they are cleaner - and we have moved them, so they no longer fit in the same photo.

glass block for T-centralen
our presses
One of them is completely manual. It normally was attended by three, sometimes four persons
•   The first person gathers molten glass from the furnace, and brings it to the press mould
•   The presser first takes care of the mould: cuts the glass when the correct amount has been delivered, puts on the top ring, pushes the mould in under the plunger. He then manoeuvres the plunger.
He must press hard, to make the hot glass fill all crevices of the mould. For bigger pieces, sometimes it needed two persons for the pressing.
•   and lastly the taker-in who takes the pressed product to the annealing.
manual pressing
The other press (the blue one) was pneumatic (assisted by compressed air), which made the presser's work much easier.

We only have a couple of press moulds, for simple bowls.
Press moulds could be complicated - below is a picture of a mould for a candleholder, with the candleholder in place. The photo was taken at the Flygt museum in Lindås.
one of our moulds
mould for candleholder

In our museum you are invited to try out things - we don't have any molten glass, but feel the moulds (heavy!), to put on the top ring (remember that, in reality, all iron things are warm, about 400 Celsius: it was easy to get burnt!), to push the mould into place (all the way to the stops!) and try pressing (press down the springs a couple of centimetres, hold for 5-6 seconds).
To get the bowl out of the mould there is a special technique: let the mould hang on the back handle against the press table and turn, so that the imaginary bowl falls out. (Be careful - do not drop the mould!)