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Патент USA US3289359

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Dean 5, w
E. P. KOLLAR
39%9»3M
FILM RECORD CARDS AND METHOD FOR MAKING THE SAME
Filed DecT 25, 1963
2 Sheets-Sheet 1
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INVENTOH
ERNEST P. KOLLAR
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BY
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Dec. 6, 1966
E. P. KOLLAR
3,289,344
FILM RECORD CARDS AND METHOD FOR MAKING THE SAME
Filed Dec. 25, 1963
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FIG. 14
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54
FIG. 15
United States Patent 0 "ice
3,289,344
Patented Dec. 6, 1966
1
2
3,289,344
of at least 0.0025 inch without deforming or pushing out
the reverse side of the card. This is because the density
FILM RECORD CARDS AND METHOD FOR
MAKING THE SAME
Ernest P. Kollar, Vestal, N.Y., assignor to International
Business Machines Corporation, New York, N.Y., a
corporation of New York
of the compressed portion would then exceed the density
of solid cellulose.
In view of this major problem relative to compressibility
of cardstock, the prior art has been concerned with vari
ous means for mounting the ?lm insert in a card provided
Filed Dec. 23, 1963, Ser. No. 332,401
3 Claims. (Cl. 40-158)
with a compressed shoulder having a depth of from; .001
to .002 inch. As disclosed in the Langan US. Patent No.
This invention relates to ?lm record cards in which 10 2,512,106 mentioned above, use is made of an aper
ture-d sheet of pressure sensitive adhesive material secured
handling, ?ling, sorting, projection ‘and storage of the
to a compressed shoulder surrounding the card aperture
?lm sections and to an improved and novel method for
and having a depth of 0.0015 inch. A narrow section
manufacturing novel aperture cards adapted for such uses.
of the sheet extends into the aperture with exposed ad
The present invention is particularly useful in the manu 15 hesive thereon for subsequent mounting of a transparency
facture of ?lm cards which are capable of being sorted
in the aperture which has a depth of 0.0055 inch. This
mechanically or electrically as, for example, the well
exposed adhesive is covered by a temporary sheet of
known IBM card and system in which the cards are per
glassine paper or similar material. Although this card
individual micro?lm sections are mounted to facilitate the
forated according to a code are sorted by electrically con
could accommodate the relatively thick ?lm, it proved
trolled apparatus responsive to the location of the per 20 to be objectionable in that the operations involved in pre
forations in the individual cards. Aperture cards of this
paring the blank cards, i.e., punching out the apertures
type are in extensive use, particularly by the United
and then applying the adhesive strips and the cover sheets,
States Government, with the annual usage of such cards
as well as the operations involved in ?nishing the cards
running well up into the millions.
including stripping off the cover sheets and disposing of
One of the main problems attendant with the manu 25 them and then applying the transparencies to the exposed
facture and use of aperture cards which are machine pro
adhesive strips, both require objectionably elaborate and
cessible is the requirement that the record card should
expensive apparatus which many users of aperture cards
cannot justify the expense of purchasing and maintaining.
It was also found that the necessarily thin mounting sheets
have the ?lm or the like mounted therein and secured
thereto by suitable iadhesive material with no portion
of the ?lm projecting beyond the card on either side so 30 provided a weak support and were suspectible to tearing.
that the cards may pass through the machine without the
Another mode advanced by the abovementioned Langan
?lm inserts getting caught and torn loose.
It is also
essential that cards be provided in which a ?lm or the
U. S. Patents 2,587,022 and 2,859,550 suggests heat bond
ing of thermoplastic materials to the card proposing to
like may be mounted in a manner so as not to increase the
cover the aperture with a sheet of cellulose acetate and
thickness of any portion of the card. Any increase in 35 to bond its edges by heat and pressure to the edges of the
thickness of such cards is very undesirable because even
though the increase in thickness around the aperture area
of each card maybe extremely small, say for example .001
card around the aperture.
The material of this cover
sheet was proposed to be the same as or similar to that
of the base of the ?lm itself, with the though that sub
sequently the ?lm section and the cover sheet could be
in the feed hopper of a. record controlled machine there 40 united integrally by heat and pressure to form a unitary
will be a substantial difference in the height of one side
transparency across the aperture. Although this card also
of the stack as compared with the other and improper
accommodate the relatively thick ?lm and eliminated
feeding of the cards will likely result.
the problem of using pressure sensitive adhesive and cover
of an inch, when a deck of hundreds of cards are stacked
In attempting to solve the problem of mounting ?lm in
serts so that they will be ?ush with the card surface, the
prior art, as best exempli?ed by the Langan US. Patent
Nos. 2,512,106; 2,587,022; 2,633,655 and 2,859,550, has
made use of a depression or shoulder which is embossed
in the cardstock surrounding the aperture. The ?lm. insert
may be adhered directly to the shoulder or to a ?lm mount
sheets, usually heat damage to the ?lm resulted, such as
clouding and/ or buckling or warping of the ?lm. More
over, the bond formed by heating the cellulose acetate
mounting sheet and pressing it into contact with the card,
or by doing the same thing to the edges of the cellulose
acetate base of the ?lm itself, as suggested in the Langan
US. Patent 2,633,655, was unsatisfactory. If the degree
ing sheet which is adhered to the shoulder. Although
cards provided with such a depression did advance the art,
they were not without shortcomings due to the fact that
simply embossing or compressing the cardstock does not
of heat was only enough to soften the cellulose acetate
it would not penetrate the ?bers of the card and the
bond was weak and unsatisfactory. Attempts to increase
result in a depression or shoulder of suf?cient depth to
satisfactorily accommodate ‘a ?lm insert.
or buckling of the card itself.
It became apparent then that an aperture card had to
The thickness of the cards commonly used in electrical
card-handling machines is .007 inch and the thickness of
the ?lm may vary from the thickness of diazo ?lm which
is aproximately .003 inch to the silver halide ?lm: thick
be produced which would not only accommodate the rela
tively thick silver ?lm but which would also make it pos
ness of .005 to .0055 inch. Additionally, allowance must
be made to take care of the thickness of the adhesive
substance use-d to secure the ?lm. It can be seen that for
?uidity by raising the temperature usually caused warping
sible to mount the ?lm thereon Without the use of mount
ing sheets, cover sheets, or undue heat and pressure. In
meeting this problem, the present invention makes use of
a special epoxy resin impregnated or coated cardstock.
It is known that epoxy lresin impregnated card or paper
straight-forward mounting of a silver halide ?lm insert
possesses very good dimensional stability regardless of
onto an adhesive coated shoulder, it becomes necessary to 65 humidity conditions and that it is tough enough to with
compress the cardstock surrounding the aperture to a
stand relatively hard handling and is more resistive to
depth of .006 inch leaving a shoulder of .001 inch thick
bending and folding. In experimenting with grinding
ness. As a practical matter, it has been found that it is
techniques, it was found that an epoxy impregnated card
impossible to compress the present standard cardstock,
having a thickness of 0.007 inch can successfully be
which has a basis weight of 99 pounds per 30001 square 70 ground ‘to a depth of 0.006 inch such that a thin web or
feet and a thickness of approximately 0.007 inch, to a
shoulder of 0.001 inch thickness remains. It was also
depth su?icient for the insertion of ?lm having a thickness
found that the epoxy resin not only eased the grinding
3,289,344
4
3
operation but it also increased the strength of the remain
ing web or shoulder to a considerable degree to provide
a better support for the ?lm insert.
FIG. 4 is a sectional view diagrammatically illustrating
one way in which the adhesive material may be applied
‘to the ground shoulder of the card.
In the preferred embodiment of the present invention,
FIG. 5 is a sectional view diagrammatically illustrat
ing one form of mechanism for securing the ?lm to the
adhesive coated card shoulder.
FIGS. 6—10 are sectional views taken along the longi
vidual record cards. To form a ?lm record card, an
epoxy card is provided with a ground trench-like depres
tudinal center line of the record card of FIG. 1 showing
sion surrounding the area of the card which is to be aper
the card in various stages of completion.
FIG. 11 is a diagrammatically vertical sectional view
tured out. Then, the cardstock bordered by said ground 10
trench is removed by a suitable cutting die to provide an
showing one form of apparatus for impregnating card
‘aperture bordered by a ground card shoulder and a coat
stock and the like with an epoxy resin.
FIG. 12 is a plan view of a second form of ?lm record
ing of an adhesive substance, preferably a hot metal type
card constructed in accordance with the principles of the
of adhesive, is applied to the ground shoulder by suitable
gnavure means or the like. A ?lm insert is positioned 15 present invention.
over the aperture and bonded to the adhesive coated
FIG. 13 is an enlarged sectional view taken along line
shoulder by heat and pressure to complete the ?lm record
13-13 of FIG. 12.
card, the card shoulder having a suf?cient depth such that
FIG. 14 is a sectional view diagrammatically illustrat
the opposite surfaces of the ?lm lie ‘between the planes
ing one way in which the aperture may be formed in the
of the opposite faces of the card. If desired, instead of 20 card and holes formed in the card shoulder surrounding
the aperture.
impregnating the entire cardstock, the epoxy resin may
the cardstock in continuous web form is impregnated with
an epoxy resin composition prior to being cut into indi
be coated onto one or both sides of the card or it may be
FIG. 15 is 'a sectional view of a preformed card as it
applied locally to and in the neighborhood of the region
would be supplied to the customer prior to ?lm mounting.
Referring ?rst to FIG. 11, there is shown a preferred
arrangement of impregnating paper and the like with
to be formed as a shoulder.
Also, the coating or impreg
ri'ation operation may take place before or after the shoul
der is prepared.
Since in practice the ?lm to be mounted may be nearly
a suitable epoxy resin.
The paper used for the manu
facture of ?lm record cards is preferably standard card
stock which has a basic weight of 99 pounds per 3000
as thick as the card itself, it is important to produce not
only a thin card shoulder in the order of 0.001 inch in
square feet and a thickness of approximately 0.007 inch.
thickness but also if an adhesive layer is used it must be 30 The resin system employed consists of an epoxy resin,
extremely thin so that the combined thickness of the shoul
one or more cross-linking agents and a silicone resin.
der, adhesive and ?lm is equal to or less than the thickness
The epoxy resin is a condensation product of bis~phenol-A
of the card. A second embodiment of the present inven
and epichlorohydrin and has an epoxy equivalent of 0.38
tion relates to an epoxy card provided with a ground
to 0.48 mol per 100 grams and a viscosity of from 4500
shoulder surrounding the aperture and wherein a plurality 35 to 40000 centipoises.
The cross linking agent or agents
of holes of predetermined size, shape and number are lo—
may be from the class of polyamides such as General
cated in the remaining shoulder.
Mills’ Versamids and/or amines such as methylenetri
These holes can serve
as adhesive pockets, that is, pockets ?lled with the bond
amine, the dimethylaminomethyl phenols such as Rohm
ing material that is used between the shoulder and ?lm.
and Haas’ DMP-lO or DMP-30, and commercial pro
This permits the adhesive to be incorporated within the 40 ducts such as Araldite DP-l21 of the Ciba Company.
shoulder and hence either eliminates or reduces extended
The silicone resin used is Dow Corning 936, a heat
layers of adhesive which may in?uence the over-all thick
catalyzed resin. Various known resin systems may be
ness. The pockets may be formed by punching either be
employed in the strengthening of paper and for the
fore or after the shoulder is formed.
purposes of the present invention, the following system
Accordingly, a principal object of the present invention
was found to produce excellent results:
is to provide a novel and improved card of the type de
Percent
scribed wherein a ?lm insert is secured between the oppo~
Araldite 502 (an epoxy resin) _______________ __ 67.60
site plane surfaces of the card without the aid of an ad
Araldite DP—121 (an amine curing agent) _____ __ 3.72
hesive coated mounting sheet.
Versamid 115 (a polyamide curing agent) ______ __ 25.30
A further object of the present invention is to provide 50 Dow Corning 936 (a silicone resin) __________ __ 3.38
a novel and improved card of the type described wherein
The several components of the resin system are dis~
an epoxy resin impregnated or coated cardstock is used.
solved in toluene. With a given paper the percent im
A still further object of the present invention is to pro
pregnation will be determined by the solids concentration
vide a novel and improved ?lm record card having a
in the impregnating solution. The relationship is ap
shouldered aperture and wherein adhesive pockets are
proximately linear and is given by the expression percent
provided within the shoulder for securing a ?lm insert to
impregnation is equal to 0.21><percent total solids. The
the shoulder.
present system covers the range of 2 to 8 percent impreg
A still further object of the present invention is to pro
nation of the paper which corresponds to a solids con
vide a novel and improved method for producing ?lm
record cards of the type set forth above, which method 60 centration of from approximately 10 to 40 percent solids.
Although toluene is preferably used, any solvent with
involves the treating of the cardstock with an epoxy resin.
which the resin system is compatible could be used.
The foregoing and other objects, features and advan
As shown in FIG. 11, the cardstock 10 in continuous
tages of the invention will be apparent from the following
web form is passed by means of feed rolls 11 and 12
more particular description of preferred embodiments of
through a tank 13 containing the epoxy resin solution 14
the invention, as illustrated in the accompanying draw
described above. The web is thus saturated after which
ings:
it is passed between a pair of scraper blades 15 and 16
In the drawings:
the purpose of which is to remove the excess material
FIG. 1 is a plan view of one form of ?lm record card
from the surface of the web. The web is then passed
constructed in accordance with the present invention.
by feed rolls 17 through an oven 18 having suitable
FIG. 2 is a sectional view diagrammatically illustrating 70 electrical coils 19, or the like, for maintaining a tempera
a form of grinding mechanism for producing the trench
ture of from 250° F. to 350° F. For a complete poly
like depression in the card.
merization 0f the particular resin system being used, it
FIG. 3 ‘is a sectional view diagrammatically illustrating
may be necessary to retain the web in the oven for from
one way in which the aperture may be formed in the
1 to 5 minutes. When the web emerges from the oven
card.
75 it is bone dry and consequently brittle. It is necessary
3,289,344
5
6
to remoisten the stock so that its ?nal moisture content '
around 0.0025 inch can be obtained and the mounting
terial 41 is coated onto the card shoulder 32 surrounding
of the thicker types of ?lms becomes a problem.
After the aperture is formed, a suitable adhesive ma
the aperture, as is illustrated in FIG. 9. It is preferred
to use a hot melt type of adhesive which is normally
is between 4.5% and 6.5%. This is accomplished by
passing the web, by means of a feed roll 20, through a
tank 21 containing water 22 after which the excess water
is removed from the web by suitable scraper blades 23
and 24. The web is then passed by feed rolls 25 and
26 on between a pair of cutting rolls 27 and 28 which
non-tacky but which becomes activated upon the applica
sever the web into individual epoxy impregnated record
tion of heat. The adhesive material may be applied by
cards 29. The cards 29 may be deposited in a suitable
any suitable means, such as by a spray or brush, or the
stacker 30.
10 like. However, as shown in FIG. 4, it is preferred to
Referring to FIG. 1, there is shown an epoxy impreg
use a transfer mechanism which comprises a rotatable
nated ?lm record card 29 constructed in accordance with
backup roll 42 and a rotatable transfer roll 43. The
the principles of the present invention. The card is pro
roll 43 has a raised portion 44 having a con?guration
vided in a predetermined location with an aperture 31
corresponding to the con?guration of the shoulder sur
with the portions of the card surrounding and bordering 15 rounding the aperture and which is effective to transfer
the aperture reduced in thickness to provide a recessed
the adhesive material 41 from a suitable supply (not
shoulder 32. A coating of suitable adhesive substance
shown) to the shoulder. In the case of a hot melt ad
is applied to the card shoulder 32 and a ?lm insert 33
hesive it may be desirable to have the transfer roll 43
is positioned over the aperture and bonded to the adhesive
made of a release agent-like material or coated with same.
coated shoulder. As shown in FIG. 10, the opposite 20
As illustrated in FIGS. 9 and 10, the hot melt adhesive
surfaces of the ?lm insert 33 lie between the planes of
41 is preferably applied to an excess amount so that it
the opposite faces of the card.
may be su?iciently displaced during mounting of the ?lm
In producing the ?lm record card, a blank epoxy im
to provide a more solid bond. 1Upon application of heat
pregnated record card 29, as illustrated in FIG. 6, and
and pressure, adheisve ?ow will occur around the periph
having a thickness of 0.007 inch, is preferably ?rst sub~ 25 eral edge of the ?lm as well as in between the marginal
jected to grinding operations to form the recessed shoulder
portions of the ?lm and the surface of the card shoulder.
portion 32 using grinding apparatus of the type illustrated
A further advantage is that in the case of some hot melt
in FIG. 2. The grinding is carried out in two steps and
adhesives, the excess adhesive around the edges of the ?lm
in the ?rst step the trench-like groove or recess 32 border
can help compensate for differences in expansion and con
ing that portion of the card which is to be apertured out 30 traction of the ?lm and card due to temperature and hu
is carried to a depth of 0.005 inch.
In the second or
midity eifects.
?nish grinding step, the depth of the groove is extended
To bond the ?lm insert 33 securely to the card, the ?lm
to 0.006 inch leaving a remaining thin web portion, in
is positioned over the aperture and onto the adhesive
dicated at 34 in FIG. 7, having a thickness of 0.001 inch.
coated card shoulder and the assembly is positioned on a
The type of grinding apparatus used for both steps would 35 suitable support 45 and subjected to the action of a recip
preferably comprise, as shown in FIG. 2, of a rotatable
rocating platen 46, as shown in FIG. >5. The platen 46 has
grinding wheel 35 and a rotatable backup die roll 36.
edge portions 47 of a size and con?guration conforming to
The backup roll 36 includes a raised die portion 37 having
the card shoulder and is heated by suitable electrical coils
a con?guration corresponding to the con?guration of
4-8 to activate the adhesive coating 41.
the trench-like groove to be formed. The apparatus
The above‘described method has been applied to the
would the adjustable with the one at the ?rst station set
complete manufacture of epoxy ?lm record cards prior to
for a grind of 0.005 inch in depth and the one at the
second station set for a grind of 0.006 inch in depth.
The grinding wheel 35 is preferably of aluminum oxide
shipment to the customer. It may be desired to ship pre
formed cards to the customer which are left unapertured
so that the customer may machine process the cards ?rst
with a grit size of 60 and a speed of 3450 revolutions per
and then mount selected ?lm pieces.
minute. It was found that by using two grinding steps,
cards shipped would be provided with the epoxy impreg
as set forth above, a much better control of tolerance
could be maintained and the desired thickness of the ?nal
ground shoulder could be held within i 0.0004 inch.
nation, the trench-like groove surrounding the area of
In this case, the
the card to be apertured and an excess deposit of non
tacky hot melt type adhesive around the bottom of the
Very excellent results have been achieved using the 50 groove as shown in FIG. 15. The customer may use ap
above-described grinding technique which has been en
paratus of the type shown in FIGS. 3 and 5 to die out the
hanced by the reduced frictional resistance of the resin
aperture and mount the ?lm piece to produce the ?nished
impregnated card and the increased strength of the card
card shown in FIG. 10.
material, particularly in the thin web area which remains
Referring to FIGS. 12 and 13, a second embodiment of
after grinding. However, if desired, the trench-like
groove in the epoxy card may also be formed by com
the present invention relates to a ?lm record card 49 which
is similar to the card 29 of FIG. 1 in that it is preferably
pression using suitable stamping dies and a pressure in
the neighborhood of from 32000 p.s.i. to 48000 p.s.i.
impregnated with an epoxy resin and it is provided with
a ground shoulder 50 surrounding the aperture 51. How
The next step, as indicated in FIG. 8, is to remove that
ever, the shoulder 50, instead of being coated with an ad
portion of the card which is enclosed by the trench-like 60 hesive material, is provided with a plurality of holes 52 of
groove to form the aperture 31 and this may be accom
predetermined size, shape and number. These holes
plished by the punching apparatus shown in FIG. 3
serve as adhesive pockets, that is, pockets ?lled with an
wherein an anvil 38 is provided with an opening 39 of
adhesive material 53 which is used between the shoulder
the exact size of the aperture 31 in the card. A punching
and the ?lm 54. This permits the adhesive to be con?ned
die 40 is adapted to be reciprocated toward and away 65 substantially between the planes of the opposite surfaces
from the anvil 38 and it is of the same shape as the
of the shoulder and hence either eliminates or reduces ex
opening 39 and of a size such that it just will pass through
tended layers of adhesive which may influence the over-all
the opening 39 in the anvil. If it is desired to use com
thickness. The adhesive 53 may be of the hot melt type
pression to form the card shoulder 32 instead of grind
which is caused to flow upon the application of heat and it
ing, this may be done simultaneously with the punching 70 may be deposited in the holes or pockets 52 by gravure
operation by providing the punching die 40 with suitable
means or by a suitable arrangement of spray nozzles.
compression shoulders of such width and shape as to
The pockets 52 may be formed by punching either before
form the shouldered portions 32 surrounding the aperture.
However, as was previously pointed out, if compression
is used a shoulder having only a maximum depth of
or after the shoulder is formed and may, for example, be
formed when the aperture is died out by apparatus of the
type illustrated in FIG. 14. Such apparatus comprises an
3,289,844
8
2. A ?lm record card for use in card record systems
anvil 55 and reciprocating punching die 56 of the type
previously described except that in this case the aperture
punching portion of the die is surrounded by individual
punch elements 57 which overlie the shoulder portion of
the card.
comprising:
a relatively thin card of ?brous material having a thick
ness of approximately 0.007 inch and impregnated‘.
with an epoxy resin composition for increasing the:
Suitable recesses 58 are provided in the anvil
strength of said card;
to receive the punch elements 57 during punching of the
pockets 52.
Y
As another approach to the problem of reducing to a
minimum the combined thickness of the ?lm and adhesive,
it is also possible to coat or impregnate the cardstock in 10
the manner described above with a resinous material hav—
ing adhesive properties in addition to the strengthening
properties. This will either eliminate the need for an
additional layer of adhesive which forms the bond between
the shoulder and ?lm or at least enhance the bonding
a ?lm insert positioned over said aperture and bonded
to said adhesive coated shoulder, the opposite sur
faces of said ?lm insert lying between the planes of
the opposite surfaces of said card.
3. A ?lm record card for use in card record systems
power'while minimizing the thickness of the additional
layer.
It has been known that epoxy resin treated paper is
comprising:
greatly improved from the standpoint of toughness, dimen
sional stability, absence of warp and high folding strength.
a relatively thin card of ?brous material having a thick
ness of approximately 0.007 inch and impregnated
with an epoxy resin composition for increasing the
The application of such treatment to the manufacture of
?lm record cards greatly contributes to a superior product
strength of said card;
in this special area wherein it is so necessary that the thin
0.001 inch thick web of cardstock which supports the ?lm
possess the above-mentioned improved qualities. It has 25
been found that in the present resin treated ?lm record
card, the ?lm is more positively retained between the
planes of the opposite faces of the card by virtue of the
strengthened card shoulder even when the card is sub
jected to extensive rough handling.
30
While the invention has been particularly shown and
described with reference to preferred embodiments there
of, it will be understood by those skilled in the art that
the foregoing and other changes in form and details may 35
be made therein without departing from the spirit and
card surrounding the aperture being ground to a depth 45
portions; and
a ?lm insert positioned over said aperture and bonded
to the shoulder by said adhesive deposit, the opposite
References Cited by the Examiner
UNITED STATES PATENTS
40
strength of said card;
to provide a recessed shoulder;
a coating of adhesive material on said shouldered edge
extending therethrough;
an adhesive material deposited within each of said
holes, said adhesive material being con?ned substan
tially between the planes of the opposite surfaces of
said shoulder; and
of the opposite surfaces of said card.
a relatively thin card of ?brous material impregnated
with an epoxy resin composition for increasing the
an aperture in said card with the edge portions of the
an aperture in said card with the edge portions of the
card surrounding the aperture being ground to a depth
of approximately 0.006 inch to provide a recessed
shoulder having a thickness of approximately 0.001;
a plurality of holes disposed around said shoulder and
surfaces of said ?lm insert lying between the planes
scope of the invention.
What is claimed is:
1. A ?lm record card for use in card record systems
comprising:
an aperture in said card with the edge portions of the
card surrounding the aperture being ground to a.
depth of approximately 0.006 inch to provide a re
cessed shoulder having a thickness of approximately
0.001 inch;
a coating of adhesive material on said recessed shoulder;
and
2,012,288
8/1935
Roon
2,587,022
2/1952
Langan __________ __ 156—108
____________ __
2,612,711
2,977,017
2,984,921
3,159,612
3,210,238
3,212,206
10/1952
3/1961
Baker _____________ __ 40—1-58
Herzig ___________ __ 156—108
5/1961
Herzig ____________ __ 40-158
12/1964
10/1965
Tsou ____________ __ 117—l55
Gess _____________ __ 1l7—155
10/1965
Langan ___________ __ 40—l58
a ?lm insert positioned over said aperture and bonded 50
JEROME SCHNALL, Primary Examiner.
to said adhesive coated shouldered portions, the op
posite surfaces of said ?lm insert lying between the
planes of the opposite surfaces of said card.
117—12
EUGENE R. CAPOZIO, Examiner.
W. J. CONTRERAS, Assistant Examiner.
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