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US 6,258,446 B1Granted
Printing masking sheet and manufacturing method therefor
OwnerDaniel M. Russoinventor
Life of this patent
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Abstract
A masking sheet for masking film work to be plated comprises a thin, generally rectangular sheet of material such as vinyl in a color, such as orange or red, which is opaque with respect to ultraviolet light. The masking sheet has a cross-hatched grid adhered to one face which is used to position and align film work on a light table.
Claims9
A printing masking sheet comprising:
- a printer's grade vinyl masking sheet;
- the sheet being opaque to ultraviolet light and permeable to visible light;
- the sheet being sized to overlie a printing plate;
- the sheet including an image area sized to overlie a usable area of the printing plate and a border adjacent to the image area sized to overlie an unusable area of the printing plate;
- the image area defining an image face overlying the usable area of the printing plate;
- a grid overlying and adhered to the image face of the sheet;
- the grid being formed of a quick drying ink.
4 more elements
Dependencies are inferred from the claim text.