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Title:
FILTER PLEAT STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2010/146462
Kind Code:
A3
Abstract:
Versions of the invention include a pleated filter with a repeating pattern of primary and at least two types of secondary pleats. The repeating pattern of primary and the secondary pleats has improved resistance to flow deterioration or flow loss compared to traditional M-pleated filters with only a single type of secondary pleat.

Inventors:
KURATA KOICHI (JP)
Application Number:
PCT/IB2010/001635
Publication Date:
February 17, 2011
Filing Date:
June 16, 2010
Export Citation:
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Assignee:
ENTEGRIS INC (US)
KURATA KOICHI (JP)
International Classes:
B01D29/56
Foreign References:
US6315130B12001-11-13
US20050045553A12005-03-03
US20050268581A12005-12-08
Attorney, Agent or Firm:
PILLION, John, E. et al. (Inc.129 Concord Roa, Billerica MA, US)
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