Respirator having dynamic support structure and pleated filtering structure

Respirator having dynamic support structure and pleated filtering structure

  • CN 101,827,633 A
  • Filed: 07/14/2008
  • Published: 09/08/2010
  • Est. Priority Date: 09/20/2007
  • Status: Active Application
First Claim
Patent Images

1. filtering face-piece respirator that comprises mask body, described mask body comprises:

  • (a) supporting structure, described supporting structure comprise that longitudinally dimension toward each other or the first horizontal expansion member of opposing motion and the second horizontal expansion member;

    And(b) filtration, described filtration comprises;

    (i) filter course;

    With(ii) pleat crape;

    Wherein said pleat crape makes described filtration at the described first horizontal expansion member and the described second horizontal expansion member toward each other or can shrink respectively and stretch during opposing motion.

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