POLYMERIC MATERIALS
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United States of America Patent
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Issued Date -
Sep 1, 2011
app pub date -
Oct 9, 2009
filing date -
Oct 16, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Polymeric Materials Manufacture of items such as seal-rings, scrolls for scroll compressors and microchip trays from polymeric materials such as polyaryletherketones, may be undertaken to minimise the risk that the shape and/or dimensions of such items may detrimentally change in use when subjected to heat and/or stress. Manufacture involves forming a component from a polymeric material under conditions which seek to limit the degree of crystallinity generated; constraining the component to the desired shape, for example using a jig; and, with the component constrained, heating the component to a sufficiently high temperature to increase, as much as possible, the level of crystallinity in the component.
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