Method of making packing seals

Details Method of making packing seals Method of making packing seals

B - Operations, Transporting

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B29C 43/00 (2006.01) B29D 99/00 (2010.01) B29C 53/12 (2006.01) B29C 65/18 (2006.01) B29C 65/42 (2006.01) F16J 15/22 (2006.01) B29C 65/48 (2006.01)

Patent

CA 1127811

ABSTRACT OF THE DISCLOSURE A method of making a packing seal comprising compression molding a thermo-setting plastic in a spiral mold so that a partially-cured spiral seal is formed, removing the partially-cured seal from the mold, and winding it on a mandrel of a selected diameter, curing the spiral seal on the mandrel, and removing the seal from the mandrel, whereby the resulting seal is resilient and can be used to seal any part having a diameter within a given range, which range has the diameter of the mandrel as a median.

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