×

Methods of making foam products

  • US 3,243,491 A
  • Filed: 10/01/1962
  • Issued: 03/29/1966
  • Est. Priority Date: 10/01/1962
  • Status: Expired due to Term
First Claim
Patent Images

1. A METHOD OF MAKING FOAM PRODUCTS ON A POROUS SURFACE HAVING INTERSTICES OF SUFFICIENT SIZE THAT LATEX FROTH WOULD ORDINARILY PASS THERETHROUGH, COMPRISING THE STEPS OF:

  • APPLYING FOAM COAGULANT TO SAID SURFACE WITHOUT BLOCKING THE INTERSTICES THEREOF;

    AND POURING LATEX FROTH UPON SAID SURFACE;

    WHEREBY, THE FROTH THAT CONTACTS SAID COAGULANT RAPIDLY GELS TO PREVENT PASSAGE OF SAID LATEX FROTH THROUGH SAID INTERSTICES.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×