自己隔置性ひだ付きフィルタ挿入体

Japanese Patent JP2007516830

A

A replaceable, self-spacing, pleated, filter insert that can be easily installed in a reusable filter frame without the aid of a secondary spacing structure includes reversibly collapsible and expandable filter media including a plurality of pleats that expand uniformly when the filter is expanded. When the filter is expanded to the length of the filter frame, the filter is under tension and behaves like a spring, thereby allowing the length of the filter to be readily adjusted to match the length of the frame and allowing the pleats to be aligned with corresponding ribs provided in the frame.

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James O Kubokawa
John F. Reed

JP2006547167A

June 28, 2007

December 16, 2004

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3M INNOVATIVE PROPERTIES COMPANY

B01D46/52; B01D29/01; B01D29/07; B01D39/16; B01D46/10

Hiroshi Yamazaki
Yasushi Ohata
Tadataka Omori

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