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SWAB WITH FOAM PLASTIC WIPING TIP

  • US 3,724,018 A
  • Filed: 08/04/1971
  • Issued: 04/03/1973
  • Est. Priority Date: 08/04/1971
  • Status: Expired due to Term
First Claim
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1. A swab comprising:

  • a stick-like handle, an elastic foam plastic strip applied to said handle by winding said strip about said handle while periodically changing the angle of said handle relative to said strip in such a way as to form a bulbular end on said wiping tip completely enclosing the end of said handle, means securing the strip on the handle and said strip comprising a single layer reticulated plastic foam material having bare side surfaces and characterized by a multiplicity of interconnecting cellular pores which enter the outer surface and extend throughout the interior of and open through the inner surface of the strip, whereby said strip is stretched endwise to enlarge said pores during application of the strip to said handle, such that said tip is effective to remove particulate matter and other foreign material from a surface being wiped by entrapment of such material within the enlarged pores of said wiping tip.

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