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Oct. 22, 1946,
‘Filed, Dec. 9', 1944
Patented Oct. 22, 1946
* ‘ '
Harry G. McMurray, Wake?eld, Mass.
Application December 9, 1944, Serial No. 567,403
6 Claims.
(01. 36—77)
This invention comprises an improved process
of manufacturing a safety shoe having greater
projecting end of the inner insole section; The
lined upper is then assembled on the last, pulled
over, staple side lasted, and heel lasted, all in
strength and better shoe making characteristics
than have been found heretofore in shoes of this
type, by a series of steps which facilitate the
the conventional manner and exactly as if no
shoe making operations in general and avoid di?i
metal box toe were to be employed.
After the heel’ lasting operation, the pulling
culties which have been heretofore encountered
in manufacturing shoes of this special type. For
example, the welt sewer has heretofore experi
releasing the lined upper so that it may be pulled
back to expose the tip of the last with the smooth
enced a great deal of difficulty in breaking nee
dles by striking the steel box toe. By the proc
ess of my invention this difficulty is substantially
if not entirely avoided.
over tacks at the tip of the shoe are removed thus
10 insole section on the bottom thereon.
The op
erator may now conveniently place the metal
box toe in position upon the toe of the last so
that it encloses the toe portion of the smooth in
sole section with its transverse tie bar lying ?at
‘ The strength of the steel box toe depends large
ly‘upon its having an adequate tie or strut in 15 on the outer surface thereof. The insole tack is
now removed from the projecting end. of the in
the shoe bottom between its curved sides. Here
sole and the severed portion of the ribbed insole
tofore the provision of a tie has caused objec
is restored to its original place and tacked or
tionable bulk in the shoe bottom, interfering to
cemented permanently in place. From the fore
some extent with the ?exing of the shoe and
making difficult the necessary shoemaking oper
These difficulties are avoided in accord
ance with the present invention by forming a
metal box toe with a thin sheet steel tie, or by
' ations.
providing it with prongs which may be punched
into a portion of the insole which thus becomes a
20 going explanation it will be seen that the base
contour of the metal box toe lies within the con
tour of the projecting toe portion of the ribbed
insole section and that the transverse tie bar is
covered and concealed thereby, being now located
between the two insole sections which have been
separated up to this stage of the shoemaking
tie for the box.
I employ an insole comprising two sections
The toe of the upper may be now turned back
which may be separately formed and then united.
and wiped in on a bed lasting machine, thus com
The inner section of the insole, that is to say,
the section underlying the wearer’s foot, is a 30 pleting the toe lasting operation exactly as it is
ordinarily carried out in the manufacture of any
smooth flat sole, 11/2 to 2 irons in thickness. The
welt shoe. The welting operation may now be
outer section of the insole presents a welt sewing
carried out without any danger whatever of the
rib and may be of any well-known commercial
needle striking the metal of the .box toe since no
construction, either channeled and reinforced
with gem duck, or having a textile sewing rib 35 part of’ the rib or of the ribbed insole is in any
way obstructed by the metal of the box toe. The
attached thereto. In outline the ribbed insole
shoe may now be completed by the conventional
section is longer at the toe than the flat insole‘
bottoming and ?nishing steps.
section by an amount slightly greater than the
The box toe herein shown is preferably drawn
thickness of the metal box toe. The ‘tip of the
ribbed insole section is separable from the smooth 40 to shape from sheet steel and is thus particu
larly light,’ strong and of little bulk“ A.tie bar
section and may be severed and removed from the
body of the ribbed section on a transverse line
may be welded or otherwise attached between
corresponding substantially with the rear straight
the rear corners of the box toe dome, or the box
toe may be formed with a solid bottom and then
edge of the metal box toe. The two insole sec
tions are united rearwardly of the tip line pref 45 the center portion thereof removed by punch
erably by being secured together in registered
superposed position either by cement or by stitch
A modi?cation of the box toe consists in form
ing spurs or prongs at the two rear corners
ing along one or both sides of the composite in
thereof which, after the box has been positioned,
sole. This leaves the unsevered end of the
smooth inner insole ‘section projecting beyond 50 may be driven through‘ the inner insole ‘section
and clenched on the reinforced surface thereof.
the severed end of the outer ribbed insole sec
These ‘spurs thus unite ‘the insole section to the
box‘ toe in such a manner that the insole it
The composite insole thus formed is now tacked
self forms a tie member. The prongs may be
to ‘the last bottom. in the conventional manner
exceptthat a' tack may be inserted through the 55 clenched; down on .the outer. surfaceof thezin
sole where they are eventually covered by the
bottom ?ller.
division line separating the main portion of the
ribbed section from its tip I4.
If desired, the
These and other features of the invention will
tie strip or bar may register with the cut off end
be best understood and appreciated from the fol
of the main ribbed section, but ordinarily it will
lowing description of a preferred manner in Cl be convenient to provide a clearance of T1‘: to 1/;
which it may be carried out, selected for purposes
of an inch at this point. It is customary to em
of illustration and shown in the accompanying
ploy sheet steel approximately .050-.040 inch in
drawing in which:
thickness as material for the box toe.
Fig. 1 is a view in perspective of the composite
After the metal box toe has been placed ?rm
insole showing the tip portion of the ribbed sec 10 ly in position upon the toe of the last as shown
tion displaced,
in Fig. 4, the tip I4 of the ribbed section is re
Fig. 2 is a fragmentary view in perspective
placed and secured by a tack I6 so that it com
showing the upper in pulled over condition on
pletes the outline of the ribbed section and cov
the last,
Fig. 3 is a view in perspective of a metal box ‘
Fig. 4 is a fragmentary view in perspective
showing the metal box toe in place upon the last,
Fig. 5 is a fragmentary view in longitudinal
ers the metal box toe beneath it. The‘upper Il
may now be wiped into place in a bed lasting
machine or the toe lasting operation effected in
any desired manner, the upper being brought to
the rib I2 and secured in place, for example, by
staples or anchor tacks and toe wire as shown in
section of the toe portion of the lasted shoe,
20 Fig. 6. When the tip I4 is replaced it will be
Fig. 6 is a corresponding fragmentary view in
understood that its outer peripheral contour co
perspective, ‘and
incides at the tip with the peripheral contour of
the metal box toe, the latter being gauged in this
toe of modi?ed construction,
position by the short tip of the smooth inner sec
The ?rst step in carrying out the process 2.5 tion II] of the insole.
of my invention in the manner herein illus
The shoe may now be completed by vthe con
trated consists in preparing I a composite in
ventional shoemaking operations exactly as if it
sole of the type shown in Fig. 1. As here
contained no metal box toe. The thickness of the
Fig, 7 is a view in perspective of a metal ‘box
in shown, but not necessarily, this includes
enclosed ?rnetal is approximately the same a as
a full length inner section I0 which may 30 that of heavy box toe material used in Work
be of leather or any other suitable insole mate
shoes and its presence is no more conspicuous in
rial to be located next to the foot of the wearer
and, is smooth on both surfaces. To the inner
section IIJ-is ?tted or formed an outer section
II having the usual welt sewing rib I2 and here
in shown as reinforced by a layer of gem duck
I3. The tip I4 of the outer section is severed
and’ remains temporarily unattached to the inher section II) as indicated in Fig. 1. The ribbed
section coincides in contour with the inner sec
tion It except that when combined with its tip
I4 it is somewhatloriger than the inner section,
as suggested by the dash line in- Fig. 1. It may
be noted at this point that the tip of the inner
section I9" is to be enclosed within the metal box
toe and that the inner section is made shorter
than the complete ribbed section to compensate
for this thickness and to bring the tip surface of
the metal box toe into registration with the- end
of the ribbed tip section.
The composite insole shown in Fig. 1 is now
tacked to a last I5 inthe usual manner, the tip
I4 being temporarily removed, andv the upper H
is pulled over and tacked in accordance with the
usual shoemakingoperations. It will be noted
from Fig. 2 that the‘ tip portion of the smooth
inner section In is exposed at this; stage of the
process as already explained’.
the tip of the ?nished shoe. The ‘upper I‘! may,
be sewn with the welt to the rib I2 andrthe out‘
vsole layed and stitched if the shoe is to be a welt
shoe. McKay‘ or Comp-o shoes may be manufac
tured in general as above described and in those
cases the rib of the outer insole section will be
eliminated. The essential characteristic of my
improvement is the employment of a composite
insole with a displaceable tip portion and any of »
the standard shoemaking vprocesses may be car
ried out in this manner without being otherwise
modi?ed from conventional procedure.
In Fig. 7 is shown a modi?ed» construction of a
1 metal box toe- in which spurs are substituted
for the tie strip 2| of the box toe shown in'Fig. 3.
The‘ box toe includes a dome-shaped portion 22
having a peripheral base ?ange 23 terminating at
each end in a projecting spur 24; This box toe‘
may be placed upon the toe of the last as sug
gested in Fig. 4 and then, when the tip I4 is
reestablished in‘
driven through
outer reinforced
tion of the tip-
position, the spurs 24 may be
the tip and clenched upon its
face. In this instance the por
I4 included between the spurs
24 serves to tie together the sides of the metal
box toe‘ and to that extent supplies the function
of the tiestrip or bar 2| of the metal box toe
The pulling over tacks are now removed, the
shown in Fig. 3.
upper turned back from the toe of the last, and 60
It will be seen that I have thus made available
the metal box toe may now be placed upon' the
a new and improved process of making work
toe of the lastso as t‘cv enclose the tip end of thev
shoes’ orv other shoes having'incorp'orate'd therein
inner section ll! of the insole as‘ suggested in Fig.
the‘ safety feature of a‘ metal box toe, accurately
4. .If, the upper is: lined‘, the lining, I8 may be
placed and securely incorporated in the shoe
wiped in over the insole section I0 and so en 65 structure,.a;ll without requiring shoemaking oper
closed between the metal box toe and the insole.
ations' which in any way interfere with the con
.In Fig. 3is. shown a metal box toe of sheet
ventional stock ?tting or making processes now
steel comprising a dome-shaped portion I9 hav
ing a ?at base in which is included a peripheral
conventionally followed.
Having thus disclosed my invention and de--'
?ange vZllv and a transverse tie strip 2|. When 70 scribed in detail a preferred embodiment thereof,»
this box toe is‘pla'ced upon the toe of the last,
I claim as new and desire to‘ secure by Letters
the ?ange 20 and the tie strip or bar 2| lie ?at
upon the insole section I0, or the over-‘wiped lin
ing I8 if a lining is‘ present,“ The tie strip or bar I
1. The process of shoem'aking including the
steps of pulling an upper over, a last having a‘
extends across. the insole just in advance of the 75 short insole section thereon; turning back-the"
toe end of the upper, placing a metal box toe
with a ?at tie between its sides upon the toe of
the last with the toe end of the insole section
insole having a ?at section next the last ter
minating short of its tip and a ribbed section
severed approximately at the tip line, placing a
enclosed therein and beneath the said tie, and
then lasting the upper to a longer insole section
superposed upon the ?rst mentioned short sec
2. The process of shoemaking including the
metal box toe on the toe of the last while the
said box toe extending forwardly beyond said
insole section, then superposing upon the base
terminating short of its tip and a superposed
section divided approximately at the tip, line,
to said superposed insole section.
3. The process of shoemaking including the
toe by the end of the divided insole section, and
lasting an upper to the full length insole section
severed portion of the ribbed section is removed,
restoring said ribbed portion to its place above
the base of the box toe, and lasting an upper to
the full length ribbed section thus presented.
5. The process of shoemaking including the
steps of placing a metal box toe with a flat tie
beneath its sides on the toe of a last having 10 steps of tacking to a last bottom a composite
insole comprising a ?at section next to the last
thereon a short insole section, the front wall of
placing a metal box toe having a ?at base on
of the box toe and its said flat tie an insole
section of such length as to register with the 15 the toe of the last with its base overlying the
short insole section, covering the base of the box
said wall of the box toe, and lasting an upper
thus presented.
steps of covering the forward end of a last and
6. A safety shoe including in its structure an
an insole section thereon by a metal box toe 20
insole comprising two superposed sections, a metal
having a ?at tie between its sides, then cover
box toe having a base ?ange interleaved between
ing the bottom of the box toe and its tie by a
the two sections, and spurs at‘ opposite sides of
said ?ange clenched in the outer of said insole
4. The process of shoemaking including the 25 sections.
steps of tacking to a last bottom a composite
longer insole section, and lasting the upper
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