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Nov. 13, 1962
Filed March 9, 1956
FIG. 2.
United States Patent O??ce
John 0. Lowell, Kirkwood, and Opel A. (Iarlson, A?ton,
Mm, assignors to Trim Dies, Inc., St. Louis, Mo., a cor
poration of Missouri
Filed Mar. 9, 1956, Ser. No. 570,520
4 Claims. (Cl. 101-368)
Patented Nov. 13, 19§2
has its edge in the slot in contact With the adhesive 11,
the latter thereby serving as means for holding the blade
in the slot. The face plate may be one-sixteenth inch
thick, and each blade three-sixteenths inch wide, for ex
ample, so that each blade projects approximately one
eighth inch from the face plate. Each blade may be one
thirty-second inch thick, for example. When a metal face
for marking patterns in ink on leather and other shoe
Among the several objects of the invention may be
plate is used, it may be peened as indicated at 15 to pro
vide deformations on opposite sides of each slot for addi
tional securement of each blade in its respective slot.
'It is preferred that a plastic, such as vinyl or cellulose
acetate, be used for the blades 5, since this is ink-re~
pellent and prevents undue accumulation of ink on the
‘ noted the provision of a marker die of the class described
blades, thereby avoiding blurring of lines, and avoiding
This invention relates to marker dies, and more particu
larly to dies such as are used in the manufacture of shoes
‘adapted to make cleaner, sharper ink lines on the ma 15 any necessity for frequent cleaning. However, thin sheet
terial being marked; the provision of a die of the class
metal, such as brass, may be used. When the blades are
described which does not scar the material; the provision
cut from strip stock, it is preferred that they be cut so
of a die of this class which is less subject to ink accumula
that the blade length is transverse to the strip stock.
tion than prior dies, thereby requiring less cleaning and
‘In view of the above, it will be seen that the several
‘avoiding mark blurring due to ink accumulation; and the
objects of the invention are achieved and other advan
provision of a die having the stated characteristics which
tageous results attained.
is economical to manufacture. Other objects and features
As various changes could be made in the above con
will be in part apparent and in part pointed out herein
structions without departing from the scope of the in
vention, it is intended that all matter contained in the
The invention accordingly comprises the constructions 25 above description or shown in the accompanying draw
hereinafter described, the scope of the invention being
ings shall be interpreted as illustrative and not in a limit
indicated in the following claims.
ing sense.
‘In the accompanying drawings, in which one of various
We claim:
possible embodiments of the invention is illustrated,
1. A marker die comprising a body consisting of a base
FIG. 1 is a perspective of a marker ‘die of this inven
plate and a face plate, the two plates having complemen
tion; and,
tary faces adapted to be secured together; secured to the
FIGS. 2 and 3 are enlarged sections taken on lines
base a layer of adhesive extending substantially through
2—2 and 3-3 of FIG. 1.
out the interfacial area of said plates and binding them
Corresponding reference characters indicate corre
together, said face plate having a slot extending through
sponding parts throughout the several views of the
it to make a groove in the body from one side through to
the layer of adhesive, and a marking blade having a
Referring to the drawings, a marker die of this inven
thickness approximately equal to the width of the slot,
tion is shown to comprise a ?at rigid base 1. This base
the blade being received on edge in the slot extending
has a plurality of grooves therein designated 3. These
through the slot into contact with the adhesive and being
grooves follow a pattern which it is desired to mark in 410 held in the slot by said adhesive; the blade having a width
ink on leather or other material. A marking blade 5 is
greater than the thickness of the face plate, thereby pro
received on edge in each groove and projects from the
jecting outward from the slot, and having a marking edge.
base 1, means being provided for holding the blade in the
2. A marker die as set forth in claim 1 wherein the
marking blade is a plastic blade.
More particularly, the base 1 comprises a flat base 45
3. A marker die as set forth in claim 1 wherein the
plate member 7 and a flat face plate 9 secured to the
face plate is a metal plate and has deformations at the
base plate 7 by adhesive 11. The base plate 7 and the
slot for additional securement of the blade in the slot.
face plate 9 may ‘be made of any suitable metal, such as
4. A marker die as set forth in claim 3 wherein the
aluminum, or of plastic, or ?bre board material. Any
blade is an ink-repellent plastic blade.
suitable adhesive may be used, for example, the syn 50
thetic resin and latex types.
As illustrated in FIGS. 2 and 3, the grooves 3 are
formed by cutting slots in the face plate 9‘ prior to its
assembly with the base plate 7. The slots may be cut
by means of a jig saw, in which case holes such as indi
cated at 13 are drilled in the face plate for reception of
the jig saw blade to start the cutting.
Each blade 5 consists of a thin narrow strip of a sheet
material, such as vinyl plastic, ?bre board, or of a non
ferrous metal such as brass. Each blade is inserted edge 60
wise into its respective slot, in which it has a snug ?t, and
References (Iited in the ?le of this patent
Stevenson ____________ __ Apr.
Lossman _____________ __ Oct.
Valiquette ____________ __ Oct.
Lippincott ___________ __ Feb.
Messersmith __________ __ Jan.
France ______________ __ Jan. 17, 1951
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