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| Number | Title | Issue Date |
| 4846774 | Rotary die cutting and laminating process and machine A machine and process for making container lid assemblies with a flexible membrane with a pull tab adhesively secured to a rigid ring so that when desired the membrane can be peeled off and removed from the ring to provide access to the container. Individ... | 07/11/1989 |
| 4759247 | Rotary dies with adjustable cutter force Coacting die cylinders with one cylinder having a cutting blade and the other cylinder an anvil surface which when rotating cooperate to cut a blank from a web of low density material. The blade and the anvil surface are tapered in opposite axial directio... | 07/26/1988 |
| 4727784 | Web cut blank piling method and apparatus A method and apparatus for piling a plurality of cut blanks of a flexible material in overlapped and shingled or stacked relationship. After being cut each blank is accelerated to increase its lineal speed to thereby produce a gap between the blank and an... | 03/01/1988 |
| 4608895 | Rotary die cutting A pair of rotary dies with lands having coacting cutting edges which cut blanks of material from a web passing between the rotating dies. To provide a clean cut and improved squareness of the cut ends, a side face of the land adjacent the cutting edge has... | 09/02/1986 |
| 4561334 | Rotary stripper A piece of material cut from a web is removed by a stripper mechanism which is preferably embodied in a pair of die cylinders having coacting cutting blades which cut pieces from a web of material passing between the cylinders. As the cylinders rotate, a ... | 12/31/1985 |
| 4247970 | Apparatus for forming expanded metal such as battery grids Rotary apparatus comprising a die cutting station followed by a series of segment forming stations, a levelling station and a winding station continuously works a strip of lead into a configuration suitable for battery grid plates having expanded segments... | 02/03/1981 |
| 4197154 | Apparatus for applying strip material to a backing web Individual strips of material, such as copper conductors, are laminated between continuously moving webs of backing material such as mylar, in a plurality of parallel lanes extending longitudinally of the webs, by apparatus which selectively controls the ... | 04/08/1980 |
