1
Pierson S Kang: Perforating and slitting die sheet, methods of constructing same and paper product produced therefrom. Xynatech, Panitch Schwarze Jacobs & Nadel P C, August 4, 1998: US05789050 (50 worldwide citation)

A paper product has a first sheet with a pattern of spaced openings permitting separation into sections and a second sheet releasably attached to the first sheet with a pattern of continuous curvilinear openings dividing the sheet into sections and being aligned with the openings of the first sheet. ...


2
Pierson S Kang: Method of making cutting, scoring and embossing die set. ChemPar Corporation, Seidel Gonda & Goldhammer, September 12, 1978: US04112827 (28 worldwide citation)

A die set for cutting, scoring and embossing sheet material comprises a first die having cutting rules, scoring rules and embossing means attached to a base, a mating die cooperating with the first die having mating embossing means for cooperating with the first embossing means on the first die and ...


3
Pierson S Kang: Rotary cutting die. Xynatech, Panitch Schwarze Jacobs & Nadel, February 6, 1996: US05488889 (14 worldwide citation)

A cutting die for cutting materials is provided. A die sheet having opposing front and back die sheet surfaces is provided. At least one cutting edge defining a die pattern is formed extending outwardly from a portion of the front sheet surface. A spacer abutment extending outwardly from a portion o ...


4
Pierson S Kang: Perforating and slitting die sheet. Xynatech, Akin Gump Strauss Hauer & Feld L, May 1, 2001: US06223641 (13 worldwide citation)

A paper product has a first sheet with a pattern of spaced openings permitting separation into sections and a second sheet releasably attached to the first sheet with a pattern of continuous curvilinear openings dividing the sheet into sections and being aligned with the openings of the first sheet. ...


5
Pierson S Kang: Perforating and slitting die sheet, methods of constructing the same and paper product produced therefrom. Xynatech, Akin Gump Strauss Hauer & Feld L, October 24, 2000: US06136209 (10 worldwide citation)

A first method of constructing a die sheet includes covering a die surface with a first, spaced pattern of a first photo-resist material and then covering the first pattern with a second, continuous pattern of a second photo-resist material. A chemical removes material from sections not covered by t ...


6
Pierson S Kang: Magnetic saddle for non-magnetic die-cutting cylinders. Xynatech, Anderson Kill Olick & Oshinsky, January 10, 1995: US05379671 (8 worldwide citation)

A magnetic saddle apparatus for mounting magnetic etched dies onto rotating cylinders and including a segment of a cylinder wall, on an outer surface of which an array of permanent magnets is adhered, a mounting arrangement for fastening the saddle apparatus to a die-cutting cylinder, and a gripping ...


7
Pierson S Kang: Cutting, scoring and embossing die set. Chem Par Corporation, Seidel Gonda Goldhammer & Panitch, April 1, 1980: US04195557 (5 worldwide citation)

A die set for cutting, scoring and embossing sheet material comprises a first die having cutting rules, scoring rules and embossing means attached to a base, a mating die cooperating with the first die having mating embossing means for cooperating with the first embossing means on the first die and ...


8
Pierson S Kang: Die assembly. Xynatech, Akin Gump Strauss Hauer & Feld, November 29, 2005: US06968769

A die assembly including a first die with a first die surface and a first cutting rib extending from the first die surface. The first cutting rib includes a first cutting surface parallel to the first die surface. The first cutting rib includes a leg extending from the first die surface to the first ...


9
Pierson S Kang: Die assembly. Xynatech, Akin Gump Strauss Hauer & Feld, March 11, 2004: US20040045427-A1

A die assembly including a first die with a first die surface and a first cutting rib extending from the first die surface. The first cutting rib includes a first cutting surface parallel to the first die surface. The first cutting rib includes a leg extending from the first die surface to the first ...