One person multi-time all transparent mask

One person multi-time all transparent mask

  • CN 2,277,785 Y
  • Filed: 12/11/1996
  • Issued: 04/08/1998
  • Est. Priority Date: 12/11/1996
  • Status: Active Grant
First Claim
Patent Images

1. , the bright face shield of the muptiple-use full impregnated of an a kind of people, it is characterized in that this face shield is by upper cavity (1), lower chamber (2) and source of the gas union joint (6) are formed, the sealing lip that seals (11) at (2) injection moldeds of lower chamber is provided with bridge of the nose place in-flanges sealing lip (3), buccal portion in-flanges sealing lip (4) and chew, chin position in-flanges sealing lip (5).

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