RED Matthews
Posts: 2393
Joined: 8/2/2008 Status: offline
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Well grugirl, I haven't finished my efforts to get all the answers to finish my blog; but I know Steve/Sewell is well versed on the action. It basically involves a gather of glass on a blow pipe that is puffed and made ready for additional glass metal to be added to that puff, so there is enough glass to make the objective larger bottle. This let them start the sizing of the neck finish - then get the glass volume needed to continue the blow of the objective larger sized bottle. This action put a ring of glass around the neck base, at the start of the shoulder and the reheated initial puffed of glass was blown into and shaped into the objective glass product. It was a parison start for the bottle, made without having the whole needed mass of glass metal needed for the product. I hope that helps you. This is credited and called the German Half Post Method of making the product. In my reading and studies, I think that the process was started in the Roman Empire's know-how and scarf-fed up by the German glass blowers that were sent to Rome to learn their techniques of glass making, when the Roman Empire collapsed. Here is another bit of information: This is a list of items to be converted into a home page subject of Mold Types 1. The glass gathered on a blowpipe is referred to as a gather and also as a post. 2. A second dip or gather of glass over a puffed first post it is called a double dipped post. 3. If it is not dipped all the way up the puffed first post it is called a half-post of glass. RED Matthews
< Message edited by RED Matthews -- 4/15/2011 11:54:06 PM >
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