METHOD FOR FORMING A WELDING SPOUT ON A PARISON DURING THE BLOWING OF A TANK
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United States of America
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Issued Date -
Jan 23, 2020
app pub date -
Sep 27, 2019
filing date -
Sep 27, 2019
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Abstract
The invention relates to a tank of plastics material produced by blow-molding of a parison, incorporating a welding spout, of a shape projecting from its outer surface which has an edge configured to be welded to a corresponding edge of an attached part, the welding spout ending axially, on an inside of the tank, in a shape resulting from contact molding between the parison and a molding component, in which the welding spout ends axially on an outside of the tank in a shape resulting from contact molding between the parison and a molding component.
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