Opaque sheeting and method of making same

• US 2,694,662 A
• Filed: 06/10/1950
• Issued: 11/16/1954
• Est. Priority Date: 06/10/1950
• Status: Expired due to Term

• Current Assignee: Walker F. Hunter Jr
• Original Assignee: Walker F. Hunter Jr
• Inventors: Hunter, Walker F. Jr.
• Application Number:
  US03/167,492
• Time in Patent Office: 1,620 Days
• US Class Current: 428/143
• CPC Class Codes: A63F 1/02 Cards; Special shapes of cards card-printing methods B41K, B41M
• CPC Class Codes: B32B 27/00 Layered products comprising a layer of synthetic resin fibrous or filamentary layer made of a synthetic resin B32B5/02; particulate layer made of a synthetic resin B32B5/16; foamed layer made of a synthetic resin B32B5/18
• CPC Class Codes: C08J 5/124 using adhesives based on a macromolecular component
• CPC Class Codes: Y10T 428/24372 Particulate matter

Claims

3. THE PROCESS OF PRODUCING AN OPAQUE SHEET STOCK CHARACTERIZED BY ITS HIGH DENSITY AND EXCELLENT FOLD AND TEAR RESISTANCE WHICH COMPRISES COATING ONE SIDE OF A SHEET WITH A COATING SOLUTION CONTAINING AN OPACIFYING AGENT, THE SHEET BEING CHARACTERIZED IN THAT IT CONTAINS NOT MORE THAN 10% PIGMENT, LAMINATING TWO OF THE AFOREMENTIONED SHEETS TOGETHER, THE LAMINATION BEING BETWEEN THE SURFACES HAVING THE COATED LAYER WHEREBY A FINISHED SHEETING STOCK IS OBTAINED HAVING EXCELLENT FOLD AND TEAR RESISTANCE AND HAVING A DENSITY IN EXCESS OF 3 AS MEASURED BY A "DENSICHRON."

7. A HIGHLY OPAQUE LAMINATED SHEET STOCK CHARACTERIZED BY ITS RELATIVE THINNESS AND EXCELLENT FOLD AND TEAR RESISTANCE, SAID STOCK BEING ESSENTIALLY COMPRISED OF TWO SHEETS OF A THIN SHEETING MATERIAL OF CELLULOSE ACETATE, SAID SHEETS CONTAINING SOME PIGMENT BUT NOT MORE THAN 10% PIGMENT, THE TWO CELLULOSE ACETATE SHEETS CARRYING A CARBON BLACK SURFACING LAYER, SAID LAIMINATED STRUCTURE COMPRISING THE BONDED SURFACES OF THE SHEETS CARRYING THE CARBON BLACK LAYER, THE BONDING BEING AT THE INTERFACE OF SAID LAYERS, WHEREBY THE AFOREMENTIONED HIGHLY OPAQUE SHEET STOCK IS OBTAINED.