- March‘ 28, 1933-
_ J.YGOULDBOL‘IRN EI'AL'
Filed Jan. 5, 1930
1,902,843
3 Sheets-Sheet 1
March 2'8’ 1933-
J. GOULDBOURN El‘ AL
1.902343
- COVEiIING QBREASTS OF HEELS
Filed Jan.~ 3, 1930
‘3 Sheets-Sheet
.2 _
March 28,_ 1933'.
-
J. GQULDBOURN ET ALv
1,902,848
COVERING BREASTS OF HEELS ‘
Filed Jan. 5, 1930
F135.
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Patented Mar; 28, 1933
1,902,848
~imrran STATES PATENT OFFICE
J'OSEPH GOUQLDBOURN AND GEORGE HAZELTON', 0F LEICESTER, ENGLAND, ASSIGNORB
TO UNITED SHOE MACHINERY CORPORATION, OF PATERSON, NEW JERSEY, ArcOR
PORA'I'ION OF'NIEW J
covmmr‘e namsrrs or name
‘Application ?led January 8, 1930, Serial No. 418,872, and in Great Britain January '17, 1989.
I
This invention relates to methods of mak necessitating its retention in a clamping de— ,
ing shoes and is herein illustrated as applied vice for a long time. As illustratively de
to securing covers to the breasts of heels.
scribed a coating of glue is applied prefer
In the manufacture of shoes having wood ably both to‘ the attaching surface of the
he'els, a leather cover is usually provided for covering ?ap and to the breast surface of the
the breast of the heel which‘ in the case of heel at some convenient time, it may be be
Louis heels is formed as a ?ap' cut from the fore the parts are assembled in the shoe.
sole of the shoe and secured adhesively to the When the time comes for attaching the breast
- breast of the heel after the otherwise ‘covered cover to; the heel the coating of glue is re
10 heel has been attached to the shoe. This vived by" the application of wet steam. The
covering ?ap which forms a continuation of treatment thus described permits the time of
the sole has been secured in position by va clamping to be greatly reduced, say, for ex
rious adhesives and in accordance with va ample, to two minutes. It is found further,
rious methods, none of ‘which has been wholly especiall in those cases, where the covering
satisfactory. If glue was used to attach the ?ap is o substantial thickness, that it is nec
?ap, it was customary to. clamp the ?ap in essary to stretch the sides-of the ?ap or to
position against the breast of the heel and mold the ?ap to the shape of the breast of
owing to the slow setting of the glue, it was the heel- in order to avoid the tendency of
necessary to leave the shoe in the clamp for the ?ap pressed into the hollows of the breast
55
considerable time, thereby involving a sub to spring away therefrom, if the clamping
stantial capital outlay in large numbers of pressure is released before the adhesive is
clamps, delaying the progress of the work
and requiring a relatively considerable space
in the factory. In other cases, some form of
rubber cement has been utilized and the parts,
after they have become tacky, have been
70
well set. This tendency is of su?icient im
portance in some instances to warrant the -
introduction of a. separate molding opera
tion. A separate molding operation may be 76
avoided, however, if, in accordance with a_
‘ merely stroked and wiped down into snug feature. of the invention, the outer o1‘ grain,
contact without utilizing any clamping mech- ,
surface of the ‘covering ?ap is tempered
anism. This method, while avoiding the use slightly, whereby the covering ?ap may
.- of clamping apparatus, does not give the nevertheless be ?rmly secured in the hollows
same assurance of a reliable and durable
80
of the heel during the brief clamping riod_
adhesion and the considerable sleeking and otherwise ‘required.
r
As illustrative y de- '
wiping involved is apt, in some cases, to mar scribed, this novel step consists in applying ‘
the wet steam such as is utilized in softening
the surface of the breast ?ap.
One object of the present invention is to
provide an improved method of attaching
breast covers by means of which a high qual
ity of work may be performed at greater
45
50
down, so as to temper it.
For the sake of convenience and of cleanlié
ness in the handlin of the adhesive, the lat-_
It has been found that a high grade of ter may be supplie in the form of a dried
work can be secured at a minimum of expense coating upon‘ the opposite sides of a carrier.
and the necessity for leaving the shoe in a Then, in accordance with the invention con
clamp for a considerable length of time can sidered in another aspect, the dried coating‘
be avoided if the adhesive utilized for attach on the carrier may be revived b the app?‘
ing the cover to the breast of the heel is al< cation of a solvent, illustrative y descri' d 95
lowed to dry, and later when it is desired as steam, the carrier interposed between the
to secure the breast cover to the heel, is ?ap and the heel, and the ?ap‘and carrier
revived by the application of a solvent so pressed, against the breast of theheel. As
that it becomes tacky without being su?icient- " illustratively described, the carrier is of thin
1y ?uid to require a long drying period or I paper somewhat larger than the heel breast
speed and at less expense.
40
the adhesive, directly to" the face of the
leather opposite to, that which is to be stuck
'
1,902,848 _
‘and has one or more uncoatcd margins by
When the time comes for eifecting'the apé
plication of the breast ?ap to the reast o '
which it ma be grasped by the operator. the
heel, the operator takes the shoe and holds
Preferably, t ese marginal portions and mar
adjacent to a jet of wet '
as shown in Fig. 2
ginal portions of the breast ?ap are trimmed it
steam 26 issuing from a. valve controlled noz
oil’ at the same time.
.
There will now be described an illustrative zle 28, turning the shoe so that the steam is
played upon the coated surface 22 of'the cov
method of making shoes in accordance with ering
?ap 12 and upon the coated breast sur
had
to
the present invention, reference being
face
20
of the heel, until the said surfaces
the accompanying drawings, in’ which
10
been brought to a‘tacky condit'on. ‘
Fig. 1 shows av shoe in which glue‘ has been have
It
has
observed that a dried ‘coating
applied to the breast ?ap and to the breast of glue orbeen
the like can be brought quickly and
of the heel and allowed to become dry;
_
to a condition of uniform stickiness
Fig. 2‘shows the reviving of the glue, to reliably
over
its
surface
causing such a jet of wet
render it tacky, by the ‘application of wet steam to impingebythereon,
and that, as a re
15 steam;
80
, Fig. 3 shows an alternative method of sup sult, the adhesive is readily brought to such
a. condition‘ that it will have the. requisite
plying adhesive for the attachment of the tackiness
to effect adequate bonding of the
breast flap, a carrier sheet being utilized on
which the adhesive has been allowed to dry parts Without danger of the adhesive squeez 85
ing out atthe sides of the heel and soiling
20 and which is softened by presentation to a
the side covering 18. This softening of the
jet of steam;
_
Fig. 4 shows such an adhesive carrierin glue may be accomplished by playing the
jet upon it for a few, say three or four,
position and the breast ?ap being tempered steam
seconds;
Having thus provided a film of ad
by the application of steam to its grain or
vhesive
between
the surfaces to be attached, 90
outer surface;
>
Fig. 5 illustrates the clamping of the cov "the breast flap may be placed in position on
the heel breast and clamped thereon, as later
ering ?ap against the heel; and
Fig. 6 shows how the marginal portion of will be described.
too, the grain surface of
the ?ap may be trimmed, removing at the theAdvantageously,
covering ?ap 12 is tempered by applying 95
same time the unused "margin of the adhes've
a jet of steam 30 from, for example, a nozzle
carrier, if one has been used.
'
34 as indicated 1n
Our novel method will be described herein 32 attached to a ?exible-hose
the
grain
surface of the
"Fig.
4.
In
this
way
' as applied to a shoe 10 in which a breast cov
?ap
is
moistened‘and
rendered
pliable
so that 100
ering ?ap 12 has been split ‘from the sole 14
"
and to which shoe there has been secured a it may be readily pressed into the valleys
wooden heel 16, the curved sides of which are along the sides of the heel breast 20, it being
covered with a thin material 18 which may be understood that the steaming is so limited
of leather, cloth, celluloid or the like. Al that the grain surface does not become ob
' though the method is to be described as em
40 ploying glue as an adhesive, it will be under
stood that this is merely for the sake of illus
tration and that the method is equally ap
plicable to other adhesives (of which pyroxy
viously wet, the exact time employed depend
ing upon various factors, such as the thick- , 106
ness of the breast ?ap. This tempering oper
ation willusually precede the laying of the
breast flap and the operator will stroke the
latter by hand so as to lay it upon the breast
face free from undue folds or wrinkles.
'45 which may be allowed to dry to a non-tacky‘
Instead of applying glue directly to the
condition and then revived by the appl’cation' breast
flap and to the heel so as to provide
of a_ suitable solvent.
In carrying out our novel method, an oper a ?lm of glue between the surfaces to ‘be
ator takes a'shoe 10 from a rack of shoes bonded, there may be interposed between
these surfaces an adhesive carrier 40 which
50, awaiting treatment and uniformly but thinly is somewhat similar in shape to-but slightly
coats the split face of the breast ?ap 12 (in
than the breast of the heel. This car
cluding that part of the latter which is to lie larger
may be of paper, for example, and pro
on the tread under the heel), and the breast rier
vided upon its opposite- faces with a coating
20 of the heel 16 itself with glue, by brushing 42_
which has been allowed to become
it
thereon
or
applying
it
in
any
other
con
.55 venient manner. For this purpose the glue dry.of glue
When such adhesive carriers are em
they may be prepared in advance and
will be maintained in fluid condition in any ployed
piled
up
in a stack as shown i Fig; 3 ready
of the usual ‘forms of heated glue pots. He
lin cement may be taken as one example)
60
65
removal one at a time. To facilitate han
then lays the shoe aside with the ?ap 12 for
dling
carriers they preferably have un
turned back to permit the glue to set. This coatedsuch
margins
44 which may be grasped by
will take place comparatively‘ quickly be the opera ‘;0r’s hand
45in order to present the
cause of the full exposure of the coated sur
to a jet of steam 26 issuing from a
faces to the atmosphere and the shoe may be carrier28,
to renderthe glue tacky. Usually
left in this condition for any length. of time nozzle
this
‘will
be
done just prior to the use of the
untll required for the next operation.
110‘
115
120
125
130
3 .
1,902,843 '
carrier as the carrier is interposed between
the ?ap 12 and the heel 16¢as shown in Fig. 4’.
At this time the grain surface of the ?ap12
may be tempered, as previously described
and as shown in Fig. 4, if desired and the ?ap
will be pressed into engagement with the
. ‘ 1. That improvement in methods of mak-l'
tration, this is shown as accomplished b
heel to the shoe and coating its breast sur
in show in which a covering. ?ap is pro- .
vi ed upon the sole of the shoe'for the breast
of the heel attached to said shoe which con
sists in providing a ?lm of dried lue be
tween sald ?ap and theibreast of t e heel,
I breast of the heel with the carrier sheet 40 directing a jet of steam upon said ?lm to
interposed, and the operator will stroke the bring it to a tacky condition, applying steam
?ap to lay it on the breast face at the same ‘to the outer surface of the covering ?ap to
10 timev freeing it of wrinkles.
'
temper it, and then laying the flap against
He then will take the shoe with the breast the‘ breast of the heel.
.
?ap stuck in position and ‘will employ any 2. That improvement in the methods of
suitable sort of a clamping mechanism to making shoes which consists in‘ splitting a
press
the ?ap ?rmly into position against the
15 breast of the heel. For the sake of illus ?ap from the sole of a shoe, coating the inner
surface of said ?ap with glue, securing a
80
means of an apparatus like that of Letters face with glue, ‘allowing said coatings to
Patent of the United States No. 1,716,655 dry, applying steam to at least one of the
20 ‘granted June 11, 1929, upon the application coated surfaces to render it. tacky, applying
of J. R. Nowack. This apparatus provides a steam to. the outer surface of the ?ap to
?exible, in?ated bag 50 supplied with air temper it, pressing togethersaid ?ap and
through a tube 52 which bag ‘is mounted in‘ said heel, and resiliently clamping said ?ap
position by means of clamps 54 upon a sup
25
to the heel to allow said adhesive to set.
port 56. The shoe with the ?ap pressed man- '
3. That improvement in methods’ of mak
ually into position is placed in the manner ing shoes which consists in splitting a: ?ap
shown in Fig. 3‘ upon the in?ated bag 50 and from the sole of a shoe, securing a heel to
pressed ?rmly thereagainst by means of a the shoe over the split portion ofthe sole,
90
clamping lever 58 supported ‘upon upright from which the ?ap is removed, coating the Y
inner surface of the ?ap with glue, allow
ing the coating to dry, tempering the ?ap 95
.and rendering tacky the coatin by the ap
plication of steam to the su ace thereof,
?ap. With the improvedmethod herein de bonding said ?ap to the breast of the heel, scribed, this time is greatly reducedbecause and clamping said ?ap to the heel.
._
rods 60 acting directly upon a rotecting an
30
_ gle-iron 62. The shoe vmay be eft in this po~
sition for the length of time necessary to in
sure a ?rm bonding of the heel breast covering
35
, of the tacky condition in which the adhesive
40
margins 64 of the covering ?ap 12 trimmed,
45
50
55
60
100
5. The method of attaching a cover to the
for example, ?ush with the sides 36 of the breast of'a heel which consists in holding a
heel as by means of the knife 66. If a car-' carrier for adhesive having an uncoated
rier 40 has been used, this trimming opera margin by grasping said margin and present
tion will remove simultaneously the project ing the carrier. in the path of a jet of steam
ing portions of the adhesive carrier 40 includ to revive a dried adhesive coating thereon,
ing the uncoated margins 44 thereof. Such" interposing said carrier between the flap ‘and
an adhesive carrier will be of material su?i the heel and laying the ?ap against the
110
115
ciently thin so that it will be practically in breast of2 the heel.
6. The methodof attaching a cover to the
visible in the completed shoe. After this the
top lift (not shown) may be attached and any breast of a heel which consists in reviving by
the application of steam a dried adhesive .
other ?nishing operations carried out.
While the method has been described as in coating on a carrier larger than the breast
volving the use of a clamping mechanism, of the heel, interposing said carrier between 120
such as is shown in Fig. 5 it will be found in‘ the ?ap and the heel, laying the ?ap against "
certain cases that it may be usefully employed the breast of the heel, and simultaneously
the side margins of vthe ?ap and
to secure the ?ap to the heel breast in shoes ‘trimming
where the ?ap is merely rubbed and wiped the7. carrier.
The
method
of
attaching
cover to the 125
into position on the breast and the clamping breast of a heel which consistsain
holding a
_
is eliminated.
65
4. ‘The method of attaching a cover to the
is, at the time that the breast ?ap is laid, and breast of a heel which consists in reviving
it has been found by experience that a two by the application of steam a dried adhesive
minute interval will allow the glue to set suf coating on a carrier, interposing' said'carrierv
?ciently to hold the ?ap adequately in place. between the ?ap and the heel, and pressing
After this, the shoe may be released from said ?ap and carrier against the breast of 10s
‘
the clamp illustrated in Fig. 5 and the side the heel.
-
, '
carrier for adhesive having an uncoated mar
Having thus described our invention, what gin and being larger than the breast of the
we Elaim as new and desire to secure by Let heel by grasping its uncoated margin and
ters Patent of the United States is:
presenting the carrier to a jet of steam to
'
1,902,848
4
_ revive a coating of dried adhesive thereon
to bring the adhesive to a tacky condition, I
interposing said carrier between the ?ap and
the heel, laying the ?ap against the‘ breast
of the heel, and thereafter simultaneously
trimming the side margins of the flap and
the carrier. .
8. The method of attaching a cover to the
breast of a heel which consists in reviving
by the application of steam a dried adhesive
coating on a carrier, applying steam to the
10
outer surface of the cover to tem
r it, inter
posing said carrier between the ap and heel,
and laying the ?ap against the breast of the
15
heel.
'
-
9. The method of attaching a cover to the
breast of a heel which consists in reviving
by the applicationof steam a dried adhesive
coating on a carrier vlarger than said heel
20
breast, applying steam to the outer surface
of the cover to temper it, placing the carrier
between the ?ap and the heel, applyingrsaid
?ap to the heel, ‘and thereafter trimming
the side margins of the ?ap and the carrier.
25
10. The method of attaching a cover to the
breast of a heel by means of a ‘carrier pro
vided with a dried, adhesive coating and
' adapted to be interposed between the ?ap
and vthe heel, which consists in applying
30
steam to the dried- adhesive coating to revive
it and render it tacky and to the outer sur
face of the cover to temper it, and laying
the ?ap against the breast of the heel._
11. The method of attaching a cover to the ’
35 breast of a heel by means of a carrier for
adhesive having an uncoated margin which
7 consists in grasping said margin and pre
senting the carrier to a solvent to revive a
dried adhesive coating on the carrier, inter
40
?osing said carrier between the ?ap and vthe
eel, and laying the flap against the breastv
of the heel.
12. The method of attaching a cover to the
D breast of a heel by means of a carrier larger
45
than the breast of the heel and having a
dried adhesive coating which consists in re
viving the adhesive coating on the carrier,
interposing the carrier between the ?ap and
the heel, laying the '?ap against the breast
of the heel, and simultaneously trimming the
side margins ofthe ?ap and thecarrier.
In testimony whereof we have signed our
names to this speci?cation. -
JOSEPH GOULDBOURN.
GEORGE HAZELTON.