Process and apparatus for sealing a plurality of filter elements
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United States of America Patent
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Nov 8, 1983
Grant Date -
N/A
app pub date -
May 21, 1982
filing date -
May 21, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a process and apparatus for making sealed filter units which include a plurality of filter elements. The apparatus includes a lower mold half for supporting a filter element support and a retractable locater member. The retractable locater member includes a reduced cross-sectional notched portion which projects above the lower mold half. When retracted into the lower mold half, the notched portion in conjunction with the upper and lower mold halves forms a cavity along the outer and upper peripheral edges of the filter elements and support. A thermoplastic material is injected into this cavity to capture the filter elements to the filter element support.
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