close

Вход

Забыли?

вход по аккаунту

?

Патент USA US3051990

код для вставки
Sept. 4, 1962
3,051,980
S. N. ROSENTHAL
STENCILING DEVICES
Filed Dec. 19, 1960
I?
Q
INVENTOR.
‘Vi.k /U.
SIDNEY N. ROSENTl-IAL
BY
.
ATTORNEYS
United St-tes atent' "I; 15¢
3,051,980
Patented Sept. 4, 1962
2
1
tom of the head is formed as a ?at face from which the
individual hairs of the nap project.
As described in the above mentioned Patent No. 2,87 3,
464, the napped material may be formed of mohair or
the like fabric. Mohair is formed of Angora hairs woven
3,051,980
STENCILING DEVICES
Sidney N. Rosenthal, Belle Harbor, N.Y., assignor to
Speedry Chemical Products, Inc., Richmond Hill, N.Y.
Filed Dec. 19, 1960, Ser- No. 76,825
1 Claim. (Cl. 15-563)
into a nylon or similar type fabric face material and is
found to be ideally suited for the purposes described
herein. The nap or hairs of the fabric may be electro
This invention relates to stenciling devices used for
statically or electrically charged so that the individual
rubbing ink upon a surface to be stenciled.
hairs tend to repel one another and stand straight and nor
10
My prior patent, No. 2,873,464, issued February 17,
mal to the surface of the fabric. This method of treating
1959, discloses a stenciling device or stenciling nib which
napped fabric is well known in the fur processing arts.
has a handle and a napped mohair fabric ink applying
Thus, when the fabric is rubbed over the stencil and the
face, whose individual hairs are electrostatically charged
surface to be stenciled, the individual hairs of the nap
to repel one another and thus to remain normal to the
tend to remain rigid and straight and will not pass under
15
face of the nib.
neath the stencil to thereby smudge the ink applied to
One object of the present invention is to improve said
the surface. Preferably, the nap is cut short so that the
stenciling device by providing it with rollers on its base
hairs do not curl under the stencil edges.
so that the base can be moved upon the surface to be
The pressure upon the napped fabric causes ink to ?ow
stenciled with a minimum of friction between the fabric
through this fabric upon the surface to be stenciled. The
20
facing of the device and such surface and so that only
felt pad acts as an ink storage means and the ink ?ows
the ends of the hairs of the napped pile fab-ric contact the
from it through the napped fabric to the surface. The
surface to be stenciled to thus eliminate matting of the
blotting material functions as an additional ink storage
fabric and also to control the quantity of ink applied by
means to absorb excess ink from the felt and to release the
the fabric to the surface.
back to the felt as needed.
Another object of this invention is to provide rollers on 25 inkThe
collar 20, which may be formed of a resilient plas
the nib face, which rollers automatically space the device
tic, surrounds the stenciling head and the peripheral edge
a predetermined distance from the surface to be inked, and
of the exposed napped face of the fabric, as shown in
as a result prevent the fabric from becoming matted or
FIG. 3. The bottom edge or face of the collar is formed
crushed to thus prolong the life of the device substan—
tially.
30 ?at and substantially coplanar with the bottom ?at face
of the head. Regularly spaced apart sockets 27 are formed
A further object is to provide roller means on the
in the collar bottom edge of a size and shape to receive
device which will space the fabric face a predetermined
rollers which are in the form of uniform size spheres or
distance from an inking pad so that only the ends of the
balls 28. The balls are pressed into the socket with the
fabric nap contact the pad to limit the amount of ink 35 socket material resiliently spreading to receive the balls.
that can be absorbed by the device and prevent the device
Once the balls are pressed into the sockets, the balls re
from absorbing an excess amount of ink. This insurm
main there and may be rolled or rotated therein.
against smudging that arises when an excess amount of
The rollers or balls project beneath the collar a pre
determined amount to space the bottom of the head a pre
ink is transmitted to the device.
These and other objects and advantages of this inven 40 determined amount above a surface to be stenciled, hence
maintaining the hairs 22 straight except for the bottom
tips thereof which contact the surface S (see FIG. 4).
The rollers function to reduce the friction when the
head is rubbed upon the surface S. They also prevent
FIG. 1 is an elevational view of a stenciling nib.
FIG. 2 is a view similar to FIG. 1, but shows certain 45 the hairs of the nap from being crushed and matted back
against the bottom of the head. In addition, by limiting
parts in cross-section.
contact only to the ends of the hairs of the napped pile
FIG. 3 is a bottom view of FIG. 1, and
fabric, the ?ow of ink to the surface is controlled to
FIG. 4 is a greatly enlarged fragmentary view of a
eliminate the application of excess ink. Also, the rollers
roller or ball and the napped fabric.
The stenciling device or nib 10 comprises a handle 50 space the head from the inking surface of an ink pad, which
is commonly used to supply ink to the device prior to sten
portion 11 and a head portion 12. The head portion is
ciling and as a result limit and thus control the amount
formed of a ?at base 14 having an integral, peripheral,
of ink that is absorbed by the felt 17 to prevent over-ink
tion will become apparent by reading the following de
scription, of which the attached drawings form a part.
In these drawings:
threaded ?ange which is threadedly secured to an en
larged threaded portion 15 of the handle portion.
The underside of the base is covered with a layer of
1ng.
55
This invention may be further developed within the
scope of the following attached claims. Accordingly, it
is desired that the foregoing description be read as being
merely illustrative of an operative embodiment of this
blotting material 16. A felt pad 17 is applied against the
blotting material and a napped pile fabric 18 is drawn
tightly over the felt and ?rmly secured to the base by
invention and not in a strictly limiting sense.
having its edges 19‘ held against the ?ange 14 by an en 60
I now claim:
A stenciling nib for applying ink upon a surface to be
circling collar or ring 20' so that the edges 19 are fric
stenciled, comprising a support base having a ?at face
tionally gripped between the collar 20 and the ?ange 14.
provided with a napped pile fabric facing whose nap is
The napped fabric is formed of individual hairs 22 se
exposed; a handle secured to the base opposite its ?at
cured to a fabric backing 23‘ (see FIG. 4). Thus, the bot
3
3,051,980
face for rubbing the exposed nap against the surface to
4
References Cited in the ?le of this patent
be stenciled; and rollers mounted on the base outside the
periphery of the fabric for spacing the base from the
surface a predetermined amount and thus aiding the base
to be moved upon the surface with a minimum of fric
tion between the fabric and such surface and thus mini
mizing contact ‘between the fabric and the surface so that
UNITED STATES PATENTS
1,222,370I
2,108,261
2,413,652
2,873,464
Emanuelson _________ __ Apr. 10, 1917
Hughes _____________ __ Dec. 28, 1937
196,951
Great Britain >_.i_a_.__._;__ Apr. 30, 1923
such contact is only at the ends‘ of the hairs of the napped
pile fabric.
Pollock ______________ __ Dec. 31, 1946
Rosenthal ___________ __ Feb‘. 17, 1959
FOREIGN PATENTS
Документ
Категория
Без категории
Просмотров
0
Размер файла
226 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа