METHODS OF MANUFACTURING GASKETS FROM PTFE SHEETS
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United States of America Patent
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Issued Date -
Jul 27, 2017
app pub date -
Jan 25, 2017
filing date -
Jan 26, 2016
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Abstract
A method of forming gaskets from a sheet of material is disclosed. The method includes cutting one or more elongated strips from the sheet of material, such as by using a spiral cut. The elongated strip is then cut into segments, with the segments being placed in a gasket mold. The segments are placed in the gasket mold so that the ends overlap. Heat and/or pressure are applied to mold together the ends. The resulting gasket has only a single joint that is molded together rather than welded. Additionally, the manner in which the sheet of material is cut helps to maximize the amount of the sheet of material that is used to make gaskets.
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