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Патент USA US3030731

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' April 24, 1962
Filed July 6, 1959
@215]. 2.
BY @
Patented Apr. 24, 1962
In order to do this, one pre
ferred procedure is as follows:
" used on other billboards.
Federico Ferrari, 5038 Cloverly Ave., Temple City, Calif.
Filed July 6, 1959, Ser. No. 825,245
4 Claims. (on. 41-26)
This invention relates to a method that, while a single
picture is being hand-painted, produces two or more sub
The outer surface of the board 5 is ?rst primed to
render the same non-absorbent or impervious to the
penetration of paint. The surface so treated will cause
- paint applied thereto to reside on the outside, and a ?lm
of such paint will retain the thickness at which applied
rather than being soaked up into the board. Such a
stantially similar pictures.
primer may advantageously comprise a white oil-base
paint. After the primer is allowed to dry, the surface
painting a picture, simultaneously paints one or more
either a screen 7 or screens 7 and 8 superimposed on each
An object of the present invention is to provide an ex 10.. thereof is sized as by a mixture of shellac and powdered
titanium to provide a preferably white coating. It is
tremely economical method for production of a plu
this size coating that provides the surface upon which
rality of hand-painted pictures at little more than the cost,
the adhesive 6 is applied.
particularly in the time of the artist, of painting one
The adhesive 6 comprises a coating that is applied to
15 the primed and sized board, the same being provided
Another object of the invention is to provide a method
for the purpose of retaining in position on the board
as above contemplated by means of which an artist, while
other substantially as shown in FIG. 2. The adhesive 6
preferably comprises a stearate paste made with lithium
A further object of the invention is to provide a method
that may advantageously be applied to billboard paint 20 and may be termed lithium stearate. The same is thinned
with raw oil, such as linseed or poppy seed oil and may
ing, the duplicates produced during painting of a bill
be applied by brush or spray to coat the board with a
board being ?exible and adapted, when dried, to be rolled
screen-adhering coating. Alumina stearate may be used
up for easy transportation to the site of and application
upon other and remotely situated billboards, thereby en 25 instead of lithium stearate. Also, aluminum sulfate
(alum) or aluminum hydrate may be used. As an alterna
abling the painting of a plurality of billboards remote
one from the other at but little more than the cost of‘
tive, any of these stearates, sulfates or hydrates may be
painting one billboard.
A still further object of the invention is to provide a
thinned with raw or boiled oil or with varnish. Oil var
nish will thin out the mixture and induces rapid drying. Y
Boiled oil will cause more rapid drying of the coat 6
method in which a billboard is painted with a picture 30
than will raw oil, but the varnish will render the drying
while simultaneously producing one or more duplicate
more rapid regardless which oil is used.
[pictures on screens mounted on said board and then,
Thus, the drying rate can be controlled to insure re
while the paint on said screen or screens is still wet,
tention of a non-hardened condition of the coat during
effecting a transfer of 'said paint and, as a consequence,
the‘picture'to other billboards.
My invention also has for its objects to provide novel
steps that are convenient vand facile, simple, economical,
and of superior serviceability.
The accompanying drawing is used as a basis for the
painting of the picture 8 by an application of differently
pigmented paints that covers the screens 7 and 8 (if two
screens are used), as Well as the board 5.
At any
rate, the drying is quite slow and may be ?xed to stretch
over a period of several hours or even several days, de
following description of the present method, the same be 40 pending on the painting time of the picture 9‘. The stear
ate, sulfate or hydrate above described are adhesive for
ing given as by way of example.
the present purposes, and the drying time thereof is con
In the drawing, like reference characters designate
trolled by the oil or varnish thinner with which inter
similar parts in the several views.
mixed. The proportion of adhesive and thinner is not
FIG. 1 is a broken front elevational View of a billboard
prepared according to the present invention and hand 45 critical except for such drying timing and may vary
greatly, as desired. It is important that the adhesive
painted to provide a plurality of pictures.
FIG. 2 is a greatly‘ enlarged and detailed cross-sec
tional view of the billboard shown in FIG. 1.
The term hand-painted, as used in this disclosure and
hold a screen or screens ?rmly in place on the board 5
and that the same remain so soft as to allow the screens
to be readily peeled off after the painting is completed.
After the screen 7 or screens 7 and 8 are mounted on
the appended claims, is intended to include any manual 50
the board 5, the picture 9 is painted in the usual Way
method of applying pigment or paint to ‘a surface. The
with pure oil pigment. When so painting, the pigment
term contemplates roller application of paint and spray
Will be rendered soft while being applied by the stearates,
ing, as well as brush painting, and is intended to differ
sulfates and hydrates of the adhesive coat 6 and will allow
entiate only over imprinting, as on presses, offset, li
thography, etc., whereby mechanical duplication rather 55 a facile brushing on of color to provide the picture 9.
However, if the pigment will not ?ow as desired, small
than hand-painted duplication is the result. '
amounts of an extender may be used, the same compris
In the drawing, the board 5 may'vary greatly in size
ing an oil or any of the paste stearates mentioned above.
and may extend twenty, thirty, or more feet, as is the
The pure oil paint is rendered more ?owable by such
nature of billboards. ‘In practice, such a board is erected
in a studio where an artist or artists may paint the sur-' 60 addition of paste if the stearate already in the adhesive
6 is not sufficient to provide desired ?owability. If one
face thereof. Usually being sectional, the painted board
screen is used, the same is preferably ?ne-meshed in the
may then be transported, in sections, to the site of dis
nature of 200 mesh; and if two screens are applied; as
play, and there erected for public viewing. Heretofore,'
illustrated, the same are coarser mesh, about 160‘ mesh.
one such board was produced at one time and if others
were needed for display at other sites, the process was 65 Silk screen is preferred because of the stability of the
?bers thereof and also because of the ability of these
repeated, at the same cost as the ?rst. In other words,
?bers to absorb paint. However, nylon'screen or other
each billboard so produced was an independent item and
screens of suitable absorbent ?bers will cause the applied
the production cost of one was separate from the cost of
paint to be, in part, intercepted by the outer screen 8.; in
According to the present novel method, an artist, while 70 part, by the screen 7 therebeneath; and in part, cover the
primed and sized surface of the billboard 5. Except that
painting a picture on the board 5, is simultaneously
painting one or more duplicate pictures which may be
dyes may be substituted for oil paints, the application of
the others.
such paints on the screen-provided board 5 will produce
paint-removing solution, such as is common in the trade,
substantially the same painting on the board and on
each of the two screens. In practice, it has been found
that oil paints are somewhat more stable in this connec
tion than are dyes.
the screens may be thoroughly cleaned for re-use.
The line 10 in the drawing represents a seam between
edge~abutted screens.
Since screens are Woven in maxi
mum widths, say ?fty inches, a large billboard can be
Now, since the screens 7 and 8 may be each separately
covered by screens only in strips, as shown. Ordinarily,
peeled off, the same constitute independent paintings.
these lines or seams cannot be seen nor, for that matter,
can the mesh of the screens, except under the closest
The same are then dried either naturally or with the aid
of heat, and when the paint 9 thereon has thoroughly
scrutiny. Of course, the seams or lines 10 are quite in
dried, a ?exible painting is the result. The same can 10 visible, if the paint on the screen is transferred to a sec
withstand hard handling and can be shipped or trans
ond board. Also, the weave or mesh design of the screen
ported rolled up without damage.
becomes lost as paint blends together on the varnished
On a board similar to board 5, one of the painted
screens 7 or 8 may be applied. Since, ordinarily, the
The painting that is transferred from a scrwn may be
board and screens are quite large, it is preferred that the
varnish-coated to provide weather resistance, as before.
screen be placed on the board in the desired position
Instead of providing a board with a coat of varnish
thereof and tacked down, as by adhesive strips, so as
or glue before a screen, painted according to the present
to hold the same in such position while adjustment there
method, is applied on said board, as hereinbefore de
of is made to square and align the length and width there
scribed, the board may be dry while the painted screen is
of with the board. A clear varnish or transparent glue 20 placed thereon and the varnish or glue applied to the
may be applied to the tacked-down screen to cause the
screen and board simultaneously.
same to adhere in ?atwise condition to the surface of the
It will be realized that the pencil cartoon or drawing,
board. Said varnish or glue is preferably waterproof so
that is ordinarily used as a guide for the artist, may be
the same may not wash off. Since the varnish or glue
drawn on the board 5 before the size coating is applied.
covers the screen, the same preserves the paint on the 25 Since this coating is transparent, whether applied direct
screen against the elements. As an alternative, the surface
ly to the board alone or to the screens as well, the
of the board may ?rst be provided with a clear varnish
pattern, cartoon or drawing remains visible as a guide
or transparent glue as above and the screen applied
to the artist after the sizing coating or coatings are ap
thereupon. The di?iculty of properly aligning the screen
with the board may not be too great if the board is ver
tical or nearly vertical, and this alternative method of
plied and allowed to dry.
In practice, the board 5 is quite large, usually being
In such case, a cover
many feet high and many feet wide. Such large boards
can be conveniently primed, coated and painted only
ing coat of clear varnish may be applied for the purpose
when in a vertical or a near vertical position. Since the
of preserving the paint on the screen as before indicated.
In this manner, a painting, originally painted on one
screen-provided board, when painted, must be provided
with thick applications of paint to provide sufficient paint
application may be resorted to.
board, may be applied to another remotely situated
for the board and the screen or screens, there may be a
board at a low cost compared to the cost of the original
tendency for such paint to run gravitationally and destroy
the accuracy or detail of the painting. It is the stearate
paste in the adhesive that holds the screens in position
of the screens, the same may be applied in a reversed 40 on the board that counteracts such sag in the paint and
manner, if desired.
preserves the accuracy of the picture.
The painting that remains on the board may be var
While the present method is described with respect to
nish-coated to improve weather resistance.
the simultaneous production of two or three similar paint
Another preferred form of the invention may be prac
ings, by using a third screen, a fourth painting can be
ticed as follows: The screen or screens 7 and 8' are 45 made in this manner. It becomes a question of paint
mounted on a billboard 5 and a picture 9' painted as above
or dye penetration through the screen interstices whether
described. Before the picture is completed, another bill
satisfactory paintings may be achieved with more than
Since the color of the paint is through the interstices
board (for each screen used) is prepared by varnish-coat
two screens.
If a certain amount of retouching to em
ing the same with a varnish that contains a drying in—
phasize accents and color intensity may be done econom
hibiter to keep the surface thus provided wet, or at least 50 ically, three or even four screens may be used in the
tacky. The mentioned sizing 6 may be used. Said coat
manner hereinabove described. Even with extensive re
ing provides not only a paint-receptive surface, but also
touching, considerable economy of production is had.
one that is substantially non-porous.
Now, after the screens 7 and 8 are peeled off the board
While I have described what I now regard to be the
preferred manners of carrying out the present method,
5, as before, instead of allowing the paint thereon to dry, 55 the same are, of course, subject to modi?cation without
departing from the spirit and scope of my invention.
board. The wet paint, together with whatever adhesive
Therefore, I do not wish to restrict myself to the particu
effect is produced by the varnish coating, causes the
lar method steps disclosed, but desire to avail myself
the same are each separately placed on a varnish-coated
painted screen to adhere to the board. Compressed air
may then be used to force the paint on the screens,
through the interstices thereof and onto the varnish-coated
surface on which the screen is applied.
then peeled off.
The screen is
of all modi?cations that may fall within the scope of the
appended claims.
Having thus described my invention, what is claimed
and desired to be secured by Letters Patent is:
l. A method of creating a display in colors on a back
While not all of the paint on the screen will thus be
ing board and simultaneously reproducing said display on
transferred to the board, the resultant picture on the
65 a ?exible screen for removal therefrom and for applica
board will, nevertheless, constitute a closely similar one
tion to a second backing board, which method consists
to the picture on the board 5 and, at most, may require
in treating the surface of the ?rst backing board to which
a little touch-up to bring forth the full detail of the
the display is to be applied to render same impervious
originally-painted picture.
to moisture, applying a coat of slow drying adhesive to
Thus, if one screen is used, a second painting on a 70 the treated surface of the board, wherein said adhesive
contains a thinner and a member of the group consisting
second billboard, with the screen, is produced; and, if
of a metal stearate, a metal sulfate or a metal hydrate,
two screens are used, two additional painted billboards,
the adhesive having a drying period approximately the
without screens, are produced.
length of time required for the creation of the display,
After the'screens are removed, as above, they will
contain some residual paint. By washing them in a 75 applying to the coated board and securing same by said
slow drying adhesive a screen formed of a stable ab
sign in su?icient quantity and pressure to cause the same
sorbent ?ber having a mesh sufficient to permit the pene
tration of portions of the colored material therethrough
to the backing board to apply to the latter the same
colored display as applied to the screen, applying a col
ored coating to the mesh in a predetermined design and
in su?icient quantity and pressure to cause the same to
to adhere to all of the screens and to penetrate the same
adhere to the screen and to penetrate the same for re
for reproducing the colored design on the screens and
on the backing board, and removing the screens bearing
the colored display from the backing board and apply
ing the same to other backing boards for reproducing
the display.
3. The method in accordance with claim 1 character
ized in that the adhesive is in the form of a stearate paste
board, removing the screen bearing its display from the l0 thinned with oil and the screen which is formed of a
stable absorbent ?ber is in the nature of 200 mesh.
backing board While in its moist state and before the ad
4. The method in accordance with claim 1 character
hesive on the backing board and the color display dries,
ized in that the adhesive is in the form of a stearate paste
drying the removed screen and its display, and applying
thinned with oil varnish.
the screen with its display to the second backing board
by an adhesive.
2. The method in accordance with claim 1 character
References Cited in the ?le of this patent
ized in that the ?rst backing board is coated with an ad
hesive mixed with an inhibitor to retard its drying action
De Leeuw ____________ __ Dec. 2, 1919
and a plurality of screens are superimposed upon the
Halpern ______________ .._ Oct. 24, 1922
board, the screens being formed of a stable absorbent 20 1,433,203
Burgdorfer et a1 _______ .._ Jan. 15, 1935
?ber of approximately ‘200 mesh to permit the penetra
producing the colored design on the screen and backing
tion of portions of the coating material through the
screens and onto the backing board, and a colored coat
ing is applied to the outer screen in a predetermined de
Wheelwright __________ _. Nov. 2, 1937
Pollard _____________ .. June 28, 1938
Metzner _____ .._. ______ __ Oct. 26, 1954
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