1298762 Laminates MILES LABORATORIES Inc 3 Feb 1970 [17 Feb 1969] 5174/70 Heading B5N [Also in Division B1] A laminated device for use in testing body fluids (see Divisions B1-B2) is made by contacting a 4-inch wide sheet of dried reagentimpregnated filter paper with one surface of a double-faced pressure-sensitive cellulosic fibre reinforced adhesive tape having a. wax paper backing, the tape being slit into strips 1/5 inch wide and wound on to rolls. A roll is then mounted on an axis and the backing removed, the exposed surface of the tape then being continuously bonded to a surface of a 3“ inch wide sheet of polystyrene film 0À01 inch thick.
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