Face masks having an elastic and polyolefen thermoplastic band thereto by heat and pressure

Face masks having an elastic and polyolefen thermoplastic band thereto by heat and pressure

  • CN 1,352,532 A
  • Filed: 09/24/1999
  • Published: 06/05/2002
  • Est. Priority Date: 06/02/1999
  • Status: Abandoned Application
First Claim
Patent Images

1. filter mask, it comprises:

  • Mask body, this mask body is suitable to be covered on the mouth and nose of wearer and comprises and contain polyolefinic fiber;

    WithFrenulum, this frenulum comprise elastic component and thermoplastic fibre component, and the fusing point of described thermoplastic fibre component is about 250 ℃

    or lower, and it is selected from the polyolefin and the mixture thereof of polyolefin, replacement, and this frenulum is by heating and pressurizeing attached on the described mask body.

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