Continuous method for making decorative floor covering

• US 3,345,234 A
• Filed: 03/21/1963
• Issued: 10/03/1967
• Est. Priority Date: 03/21/1963
• Status: Expired due to Term

• Current Assignee: Congoleum Corporation
• Original Assignee: Justin J. Jecker, Robert P. Conger
• Inventors: Jecker, Justin J., Conger, Robert P.
• Application Number:
  US04/266,889
• Time in Patent Office: 1,657 Days
• US Class Current: 156/209
• CPC Class Codes: D06N 7/001 obtained by mechanical embossing
• CPC Class Codes: D06N 7/0028 characterised by colour effects, e.g. craquelé, reducing gloss terrazzo by sintering D06N7/0057
• CPC Class Codes: D06N 7/0042 Conductive or insulating layers; Antistatic layers; Flame-proof layers
• CPC Class Codes: Y10T 156/1023 Surface deformation only [e.g., embossing]
• CPC Class Codes: Y10T 428/24512 Polyurethane
• CPC Class Codes: Y10T 428/24521 with component conforming to contour of nonplanar surface
• CPC Class Codes: Y10T 428/24868 Translucent outer layer

Claims

1. A CONTINUOUS METHOD OF MAKING A DEOCRATIVE SURFACE COVERING HAVING A TRANSPARENT RESINOUS WEAR LAYER AND A FIBROUS BACKING LAYER, COMPRISING:

(A) PREHEATING A SURFACE OF THE RESINOUS WEAR LAYER, (B) EMBOSSING ON SAID SURFACE A PATTERN HAVING A DEPTH OF AT LEAST 0.0005 INCH, (C) APPLYING A THERMOSETTING RESIN HAVING A CONTRASTING COLOR INTO THE EMBOSSED DEPRESSIONS, AND NOT LEAVING ANY SUBSTANTIAL AMOUNT OF SAID THERMOSETTING RESIN ON THE SURFACE OF SAID WEAR LAYER WHICH IS NOT DEPRESSED, (D) HEATING SAID THERMOSETTING RESIN TO ITS CURING TEMPERATURE;

AND (E) LAMINATING SAID BACKING LAYER TO SAID EMBOSSED RESINOUS WEAR LAYER.