US2229867A - Artist's working paper - Google Patents

Description

Patented Jan. 28, 1941 stares PATENT orrics ARTISTS WORKING PAPER Joseph F. Murphy, West Roxbury, Mass.

No Drawing. Application December 2'7, 1939, Serial No. 311,156

4 Claims. 41-47) My invention relates to the art of printing pleted his work, the shaded sheet is photographed and consists in a novel artists working layout through a half tone screen so that the negapaper and method for producing it. tive thus produced contains both the shading In the preparation of advertisements for printand the screening. A 60 mesh screen may be 5 ing it often happens that the artist desires shaded used where the product is to be employed in backgrounds ranging from black to light gray. newspaper work. Finer screens are used for 5 To obtain a background other than black, the magazines and more expensive publications. following method has been heretofore employed. From the screened negative it is possible to The artist first paints a black patch on cardmake positives on sensitized drawing paper. board, the patch having the area of the desired These positives then become articles of commerce 10 background. Lettering or designs are then suand can be advantageously employed in making perposed or stripped in on the black background up advertisements. The screening step results on the cardboard. Subsequently a sheet of in a positive having a plurality of fine, reticutransparent material having a. fine screen on lated black lines, the interstices being white, or its outer surface is placed over the background neutral, according to the color of the paper upon 15 and taped down along its edges to the cardboard. which the print is made. The lines on the This screened film is known in the trade as Ben prints are, of course, in sufficiently close prox- Day film and is supplied in various shades. The imity to one another to give the shaded half-tone Ben Day film when placed over the black patch effect desired.

on the cardboard produces a. gray which is light A cheaper and more practical method is to 20 or dark according to the shade of Ben Day make a metal plate from the screened negative film used. The layout thus formed is photoand to print positives from the metal plate on graphed to produce a negative from which a drawing paper which has, in this case, not been metal plate may be made for letter press or sensitized. The sheets of drawing paper so photograph offset printing. printed contain the screened shading. 25

The foregoing method of composing a layout The use of the artists Working paper produced and making a half tone negative is complicated, by my novel process renders the making of an slow and expensive, and it is one important advertisement much cheaper than it has been object of my invention to eliminate the necessity heretofore, in view of the fact that the necessity for painting a background upon the paper from for making a half tone negative of the layout is 30 which the layout is made. eliminated. The person making up the advertise- A further object of my invention is to render ments can work directly on my novel paper and it unnecessary for the artist to use a half tone either draw the lettering or design which is to or Ben Day film screen in making photeappear on the background or can strip in type graphic negative of the layout. which is pasted down on the shaded and screened 35 Briefly speaking, my invention consists in a background of my paper. process of preparing drawing paper by means Although many different kinds of paper may of which an artist engaged in making up an illusbe used, I prefer to use artists paper of high tration or advertisement is provided from the quality, such as No. 1 gloss paper upon which start with a shaded and screened background, to photograph or print the screened shade. The 40 the background being printed in the form of fine artists layout paper thus produced will lie fiat, reticulated lines on paper which can be drawn can be drawn or painted on, and permits cleanupon, painted, cleaned, or erased. The paper ing .and erasing without smudging or otherwise produced by the practice of my novel process is damaging the paper or the screened background. also included within the scope of my invention. Having thus described my invention what I 45 To produce the paper of my invention, an artist claim as new and desire to secure by Letters Patfirst paints in water color upon a sheet of cardent of the United States is, board or other fairly stiff material the proper 1. As an article of commerce, artists working shade of gray or black which is desired. The layout paper in sheet form for drawing upon shading can be of uniform color or may contain having one surface thereof provided with reticu- 50 zones of different shades, sharply demarcated or lated lines sufiiciently closely spaced to give a gradually blending into one another. Furtherhalf-tone shading effect on said surface. more the artist may paint background designs, 2. As an article of commerce, artists working such as stars, circles, etc., in contrasting shades paper in sheet form for drawing upon having 5 of gray or black. When the artist has comone of its surfaces provided with a half-tone shading formed of closely spaced reticulated lines.

3. As an article of commerce, artist's Working paper in sheet form for drawing upon having one of its surfaces provided with a gray shading composed of black areas substantially uniformly distributed and spaced closely enough to give a half-tone effect.

4. As an article of commerce, a substantially opaque sheet of artist's paper of a grade and quality for being drawn upon with pencil or pen and having one surface thereof provided with reticulated lines sufficiently closely spaced to 5 give a half-tone effect on said surface.

JOSEPH F. MURPHY.