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Патент USA US2110556

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March 8, 1938.
s. SCHEINMAN ET AL
REINFORCED COLLAPSIBLE FILE CASING
Filed Oct. 10, 1956
2,110,556
March s, 1938.
s. SCHEINMAN ET AL
2,110,556
REINFORCED COLLAPSIBLE FILE CASING
Filed Oct. 10, 1956
2 Sheets-Sheet 2
/2.9
ATTORNEY
2,110,556
Patented Mar. 8, 1938
‘ UNITED STATES PATENT OFFICE
2,110,556
’ REINFORCED COLLAPSIBLE FILE CASING
Sol Scheinman, White Plains, and Jacob Mandel,
Brooklyn, N. Y. _
Application October 10, 1936, Serial No. 104,923
(Cl. 229-9)
11 Claims.
The present invention relates to collapsible ?les
which are adapted to be shipped in collapsed or
knocked-down condition of the type consisting of
a shell or casing and a drawer member movable
5 therein, and more speci?cally, to the construc
tion of the casing member of such ?le.
It is an object of the invention to provide a ?le
casing member which is composed essentially of
paper or other light and inexpensive ?brous or
10 other material but is reinforced in such manner
that it can withstand the weight of a number
of ?lled storage ?les stacked above it.
_
In particular, it is an object of our invention to
vertical loads on the casing and bridging the cor
ners in the erected condition of the casing which
is completely collapsible with the casing without
detachment of any part thereof from the casing.
In this preferred form, therefore, our invention
thus provides' a reinforced collapsible casing
which is supplied to the consumer in knocked
down condition with both the front edge facing
> members and the corner bridging members se
cured to the collapsed paper body of the casing
provide a collapsible casing for ?les, such as
storage ?les and even active ?les which is pro
vided with metallic reinforcing members at the
front open end thereof for taking up and trans
mitting vertical pressures or loads on the casing,
and having also corner-bridging members which
20
stiffen the casing at the corners and so prevent
in a manner insuring against loss or deforma
tion of any of the reinforcing parts, to the making
it simple and convenient for'the consumer to
erect the casing at the place of use.
The present application is a continuation in 15
part of our copending applications Ser. Nos. 666,
895, ?led April 19, 1933 and 14,518, ?led April 3,
1935.
'
Several satisfactory embodiments of the in
20
vention are shown by way of example on the ac
collapse of the casing in its erected‘assembled
condition, the metallic parts being so arranged
companying drawings, in which
Fig. 1 shows a casing built in accordance with
collapsed while the metallic parts retain their
erectedcondition in which it is adapted to receive
on the casing that the latter can be erected and ‘ the invention, the casing being shown in the
original mounting on the casing.
I
It is a further object of the invention to' pro
vide a collapsible ?le casing whose forward edges
are faced with metallic membersv which, in the
30
erected condition of the casing, cooperate with
pivoted angular means to hold the casing rigidly
against collapse, the metallic facing strips and
the angular means being permanently mounted
on the body of the casing and forming a ‘unitary
structure therewith.
35
It is a still further object of the invention to
provide a reinforcing structure for the open end
of a collapsible ?le casing, including facing strips
for the forward edges of the casing, and angular
means adapted to bridge the corners of the erect
40 ed casing, which remain secured to the casing
during the collapsing and erecting of the latter.
Other objects of the invention are to provide
one or more angular wire members for stiffening
the casing at the corners which are secured to
45 the casing, that is, are held against endwise re
25
a drawer of any suitable kind;
Fig. 2 shows the casing of Fig. 1 in the partly
collapsed condition;
Fig. 3 is an enlarged fragmentary vview illus
trating the manner in which the angular'wire
member is moved into engagement with the ver
tical reinforcing member upon erection of the
casing;
_
Fig. 4 represents a front view in elevation of
part of the reinforcing structure and shows the
manner in which the vertical portions of the 35
upper and lower corner-bridging memberspare
brought into engagement in the erected condition
of the casing to assist in supporting vertical loads
on the latter;
1
-
'
t
Fig. 5 illustrates a horizontal section taken on
the line 5-5 of Fig. 3;
'
Fig. 6 illustrates a second embodiment of the
invention in which the corner bridging’ means is
in a form of a single wire loop engaging certain
of the reinforcing members 'at the front thereof;
Fig. 7 is a vertical section through the rein
moval from the casing; to provide a reinforcing
forcing structure of Fig. 6;
'
structure composed of metallic facing strips lin
Figs. 8 and 9 are views similar to Figs.'6 and 7,
ing the front edge portions of the walls of the
casing and angular wire means cooperating there . but show a form of the invention in which the 50
with to hold the casing in the erected condition, wire loop engages certain of the reinforcing mem
at the rear thereof; and
the angular wire means being constructed also bers
Fig. 10 represents an enlarged section taken
to aid in taking up and transmitting vertical loads
along the line ill-l0 of Fig. 8. on the casing; and in general to provide for col
lapsible ?le casings composed of paper or similar . Referring to Figs. 1 to 5, the casing member is 55
material, a reinforcing structure for taking up composed generally of a top wall 10, a bottom
2
2,110,556
wall ll, side walls l2 and I3 and an end wall l4
composed of ?aps Ha, I 412, etc. extending from
the top, bottom and side walls, as is well under
stood in the art. The walls H], to M are pref
erably formed of an integral'sheet of relatively
light, inexpensive ?brous material, such as cor
rugated paper board, ?ber board, etc., the sheet
being provided withrscorings l5 along which the
walls may be folded and collapsed for shipment
or storage, or moved pivotally into the erected
position when the casing is set up for use. The
free ends of the blank of paper material may be
secured by means of a tape l6 extending longi
tudinally of the casing, while the ?aps constitut
15 ing the rear end wall l4 may be secured by a
it is subjected to a vertical load, the wires being
then brought into engagement. The engagement
of these wires within the grooves 24 makes such
wires capable of transmitting at least part of the
vertical loads on the casing and contributes
greatly to the strength and rigidity of the struc-'
ture. Obviously, the wires maybe made strong
enough to stand the whole load on the casing
and any suitable means other than the vertical
members 22 and 23 may be provided to hold 10
them in alignment in the erected condition of the
casing; and while we have referred to the mem
bers 20 and 2i as wire members they obviously
can be made of any other structural form, and
may be composed in whole or in part of sheet 15
tape H. In ‘the knocked-down condition of the
casing, the tape H is preferably secured along
metal suitably shaped to possess the necessary
degree of rigidity.
one of the parts of the rear wall I 4, for example,
The manner of erection of the casing will be
readily understood from the drawings. From
the ?ap Mb, as shown in Fig. 2.
20
The edges of the walls in, ll, [2 and I3 at the
front, open end of the casing are reinforced with
metallic facing members which act to relieve the
relatively weak side walls of the paper body of
vertical loads'on the casing and at the same time
25 give the front portion of the casing a neat, ?n
ished appearance.
The front edges of the top
and bottom walls l0 and H are provided with
metallic binding strips I1 and i 8 which are per
manently secured to such walls in any suitable
30 manner, preferably by a positive interlock with
the paper body of such walls by means of lugs
or teeth struck from such metallic members and
biting into such walls, as shown at IS. ‘The
members I1 and I8 are roughly of U-shape and
35 at their forward portions they serve to receive
pivotally the central horizontal portions of two
U-shaped corner-bridging members 20 and 2|,
such U-shaped members 20 and 2| being freely
rotatable upon the members I‘! and I8 respec
40 tively, but being secured against removal from
the casing, as by an endwise movement, by rea
son of the fact that the legs of such U_-members
engage with the ends of the reinforcements
H and I8.
45
The side walls l2 and I3 of the casing are
provided with vertical reinforcing members 22
and 23 which are secured to the casing in any
suitable manner, as by means of the teeth l9.
These reinforcements 22 and 23 take up vertical
50 loads on the casing and prevent buckling or dis
tortion of the side walls of the latter. They are
also adapted to cooperate with the angular mem
bers 20 and 2| to hold the casing rigidly with its
walls in their predetermined angular relation
55 upon erection of the casing, and to such end the
the fully collapsed condition, the casing is erected 20
by causing the walls to hinge along their fold
lines IS, the casing passing through the partially
erected condition shown in Fig. 2 until it reaches
the right-angular condition shown in Fig. l. The
angular wires 20 and 2i are then swung forward 25
1y as shown in dotted lines in Fig. 1 until they
are received within the grooves or sockets of the
vertical members 22 and 23. It will be noted that
the articulated sheet metal reinforcing structures
l1, I8, 22 and 23 remain attached to the casing 30
during the erection of the latter and that the
angle wires are brought into position for coop
eration with the vertical members 22 and 23 for
holding the erected casing rigid while the mem
bers 22 and 23 retain their original attachment 35
to the casing and without removal of such mem
bers from the casing. To collapse the casing it
is necessary only to bring the legs of the wire U
members out. of ‘engagement with the vertical
members 22 and 23, whereupon the casing can be 40
collapsed without removing the members 22 and '
23 from the casing. These members can thus be
permanently secured to the casing and the
knocked-down casing can be supplied to the cus
tomer as a single unit which requires no detach 45
ment of any part for its erection.
-
It will be understood that in the erected condi
tion of the casing the rear, side flaps Ma will be
folded inwardly and the top and bottom ?aps Mb
will then be folded over the side ?aps, the tape 50
I‘! being employed to connect the top and bottom
flaps to each other and to the side walls l2 and
I3, as is indicated in Fig. 1.
The horizontal members I‘! and) I8 are prefer
ably made to overlie and underlie, respectively,
vertical members 22 and .23 are shaped so as to the vertical members 22 and 23, as indicated at
provide a vertically extending recess or groove
23a and 23b, as much as possible without inter
24 in the-erected position of the side walls for‘ fering with the collapsibility of the sheet metal
receiving the vertical legs of the U-shaped wire
members 20 and 2|. The vertical members 22
and 23 are preferably so shaped that the afore
mentioned legs ?t snugly against the walls of the
recesses or grooves, thereby contributing to the
rigidity of the assembled structures.
65
As shown in Figs; 1, 3 ‘and 4, the legs of the
U-shaped, corner-bridging wire members 20 and
frame work, the vertical members being brought
as near as practicable to the horizontal members 60
so that in the loaded condition of the erected
casing, the load is transmitted by the upper horizontal member to the vertical members either
directly or at most through only a short section
of paper.
’
65
In the form of the invention shown in Figs‘. 6
2i are of such length that they meet or come and 7, the bottom and side reinforcing members
very close to meeting within grooves 24. It is not
I8, 22 and 23 may be constructed similarly to the
absolutely essential that the ends of the wires corresponding members of Figs. 1 to 5; the upper
70 actually contact with each other in the unloaded horizontal member Ila, however, is constructed
70
condition of the casing, although such construc
similarly to the side reinforcing members 22 and
tion is preferred; a slight‘ gap between the‘endsv .23, being shaped to'present a recess 24a for the
of the opposite wires in the unloaded. condition reception of a corner bridging member. This
of the casing will normally be taken up by a member is in the form of a more or less con
75 slight settling or contraction of the casing when tinuous wire loop 25 which is hingedly mounted
75
2,110,556
upon the bottom reinforcing member . l8, and.
in the erected position of the walls is adapted to
3
ber-or members can be secured to the front end
portions of‘ the collapsible metallic casing in any
be received within the recesses or grooves in the
members 22, 23 and Ila. As can be seen from
suitable way, as by welding, soldering or riveting.
To give the walls greater bulk, one or more thick
Fig. 6, the wire loop member 25 is continuous in
nesses of corrugated‘ or other paper board may
the vertical direction and aids in supporting a
load on the casing. If desired, one or more of
be secured to the inside surfaces of certain of
the casing walls. Instead of employing an artic
ulated reinforcing framework as described herein,
the collapsible'sheet metal casing may be pro
the members 22, 23 and Ila may be provided
with a cutout 21 for facilitating engagement of
10 the wire member should it be desired to swing it
into the inoperative position, prior to collapse
of the casing. . As in the constructions shown in
Figs. 1 to 5, the form of the invention shown in
Figs. 6 and 7 likewise embodies the feature that
the articulated reinforcing framework, together
with the corner bridging means, is permanently
secured to the casing.
' '
The reinforcing members 22, 23 and Na are
vided with a unitary more or less integral frame, 10
preferably hingedly mounted upon one of the
walls, as shown in the copending application of
Sol Scheinman, Ser. No. 80,147.
As already indicated, the casing described here
in is intended to be used with a drawer of any 15
suitable construction, for example, as shown in
the patent to $01 Scheinman and Jacob Mandel,
No. 2,012,857. The drawer may, however, like
preferablyso shaped that they snugly receive the, the casing described in thepreceding paragraph,
20 wire member 25.
If desired, suitable detents or , be made of hingedly connected sheet metal plates, 20
clips may be provided to insure retention of the
wire member in the assembled position.
The structure shown in Figs. 8, '9 and 10 is sim
' ilar in principle to that shown in Figs. 6 and '7,
except that the wire loop member is arranged
inside of the casing and engages recesses in the
reinforcing members which open inwardly of the
casing. The bottom reinforcing member I8 ‘may
be of the same construction as the corresponding
members shown in Figs. 1 and 6 and may be se
, cured to the body of the casing by means of teeth
I9 struck from such member. The side members
28 and 29 and the top member 3|], however, are
constructed somewhat differently from the cor
responding parts of Figs. 1 and 6, being composed
the front, rear ‘and side walls of the drawer being
hinged in any suitable manner to the bottom wall
and being held in the erected condition by any
suitable locking means, such as pins passing
through aligned openings or sockets at ‘the adja- _
cent ends of contiguous walls. To reduce cost
and weight, the plates are made of thin gauge
metal which may be reinforced by folding the
metal on itself at spaced points to produce col
umns or bands of triple thickness and the .walls '
may be lined with corrugated or other paper
board to-give them greater bulk.
If desired, the vertical reinforcing members 22
and 23 may be permanently attached to or be
integral with one of the wire members,- or be di
vided and be secured to the opposite wire legs
of an outer leg '3! (Fig. 10), a smooth, interme
diate portion 32 which neatly faces the front end ~ of Fig. 1, the vertical reinforcing members being
edges of the side and top walls, and an inner leg then not permanently secured to the walls which _
33 which is spaced from the inner surface of the they are to reinforce. We regard such- structure
as within the scope of the present invention be 40
40 casing wall by a distance corresponding to the
diameter of the wire loop member. The latter,
shown at 34, is pivotally mounted, and held
against removal, within the bottom reinforcing
member I8, and in its inoperative position lies flat
45 upon the bottom wall of the collapsed casing.
Upon erection of the casing, the loop member is
swung, as indicated in Figs. 8 and 9, until its side
cause, while the vertical reinforcing members
would then not be permanently secured to the side
walls directly, they are nevertheless permanently
secured to the casing by way of the angular wire
member or members, so that the whole casing
structure is still a unitary structure, no parts _
being detached from the casing to enable the
latter to be erected or collapsed.
We claim:
sockets between the legs 33 and the walls of the
1. A collapsible ?le casing adapted to receive .
50 casing.
As only one of the legs of each of the reinforc- ‘ a horizontally movable drawer and comprising
and top portions are received in the recesses or
-ing members 28, 29 and 30 bears against a wall
of the casing, we prefer to rivet such leg to the
casing, as shown at 35 so as to anchor the mem
' bers more securely.
, Variations from the speci?c forms of the in
vention described herein may be resorted to with
in the scope of the appended claims without de
parting from the spirit of the invention.
top, bottom and side walls composed essentially
of paper material, reinforcing members perma
nently secured to the front edges of the walls,
U-shaped wire members secured in pivotal rela
tion upon the reinforcing members of the top and
bottom walls, the free legs of said wire members
being movable into position for cooperation with
Thus, _ the reinforcing members of the side walls to hold
60 while our improved reinforcing structure is shown
and described as associated with a collapsible pa
per casing, it can be employed also with a col
lapsible sheet metal casing, the sheet metal being
of thin gauge and the walls being strengthened,
65 if desired, by the formation of ribs or corrugae
tions thereinor by folding the metalon itself at
spaced points to produce columns of increased
compressive strength. The parts of the casing
forming the different walls may be connected to
gether in any suitable manner that will permit
the convenient erection of the casing by the con
sumer; thus the casing may be composed of plates‘
which are hinged to each other in any suitable
way, as by means of piano hinges. The reinforc
75 ing frame with the cooperating angular wire mem- j
the casing rigid at the corners, said legs being of 60
such length that the adjacent legs of the opposite
U-shaped members are brought substantially into
contact in the erected condition of the casing so
that upon subjecting the casing to compressive '
loads, the contacting vertical legs.of said wire 05
members cooperate to transmit such loads.
' 2.! A casing member of the class described,
comprising an open-ended quadrilateral box-like
structure having a body formed of an integral
blank of non-metallic material provided with par
allel hinge-portions de?ning-corner edges running
perpendicularly to the plane of the open end, said
body having all forward end margins thereof, in
cluding'the front edges of the side walls of the
casing member, faced with metal strips perma
4
2,110,556
the walls of the casing are in their erected right
nently secured to the casing and arranged to per
mit collapsing and erection of said box structure angular relation, into position for interlocking
engagement with the other facing strips, the
by pivotal movement of the walls of the casing
about said hinge portions, and fastening means. latter being shaped to provide closely ?tting re
pivotally secured to a pair of opposite walls and cesses for said wire members in the erected con
releasably interlocked with said metal strips on
adjacent walls without detachment of said strips
dition of the casing.
from the casing,
prising an open ended quadrilateral box-like
structure having a body formed of hingedly con
'
3. A casing having an open front end and com
10 prising a bottom wall; side walls; a top wall; said
15
20
25
30
walls being made of sheet material having par
allel fold lines along which the same is manually
foldable to form said walls, said fold lines running~
perpendicularly to the plane of the open end of
the casing; adjacent walls being movable angu
larly relative to each other about said fold lines
to permit the casing to be shipped in knock-down
condition; reinforcing members permanently se
cured to the front edge portions of all of said
walls and remaining attached to such walls dur
ing the collapsing and erecting of the casing said
reinforcing members facing the front edges of the
erected casing; an angle wire, one leg of which
is secured to one of said reinforcing members, the
other leg of said Wire protruding from said rein
forcing means, said ,angle wire being rotatable on
said secured leg, when the walls are in erected,
right-angular relation, into position to be en
gaged and held against displacement by the rein
forcing member of the adjacent edge for main
~ taining said adjacent walls in rigid angular rela—
tion.
4. A casing member of the class described, com
prising a quadilateral box-like structure having
35 a body formed of an integral blank of non-me
tallic material scored along certain portions serv
_ ing as corner edges, said body having the forward
v40
end margins thereof faced with metal strips
permanently secured to the casing and arranged
to permit folding and unfolding of said box struc
ture along said scorings, and means engaging the
marginal metal strips for holding the walls of
the casing member rigidly in righ-angled rela
tion, the facing strips upon the side walls being
45 provided with open recesses, said means com
prising angular wire members pivoting upon the
facing strips at the top and bottom walls‘land
movable into the recesses, the portions of the wire
?tting within the recesses being of such length
50 that when a load is placed upon the casing, the
ends-of the wires. in each side metal strip are in
contact, at least part of the load being thus trans
mitted by the wires.
-
5. A casing member constructed to receive a
55 drawer member and comprising an open-ended
quadrilateral box-like structure having a body
formed of hingedly connected bottom, top and
side walls, the hinges running parallel to each
other and perpendicularly to the plane of the
60 open end, said body having all of the forward end
margins thereof provided with metal facings
secured thereto, said casing member being col
lapsible and erectible along the hinge connections
and said metal facings being secured to the body
65 of the casing and remaining secured to the cas
ing, in their operative erected casing manner,
during the collapsing and erecting of the casing,
and angular members bridging the corners of
the erected casing and interlocking with the mar
-
7. A casing member of the class described com
nected top, bottom and side walls, the axes of 10
the hinges being parallel to each other and all
being substantially perpendicular to the plane of
the open end of the casing, said body having all
of the forward end margins thereof faced with
metal strips permanently secured to the casing v15
and arranged to enable the walls to be moved
angularly upon their hinges with reference to
each other for collapse and erection of the cas
ing, the facing strips upon an opposite pair of
walls being provided with longitudinal, forwardly 20
open recesses, and angular wire members pivot
ing upon the facing strips secured to the other
pair of walls and having legs swingable in the
planes of said opposite pair of walls, when the
walls are in erected, right-angular relation, into 25
engagement with said recesses so as to hold the
casing rigidly in its erected condition.
8. A collapsible casing member of the class
described comprising an open-ended quadrilat
eral box-like structure having a body formed of 30
a blank of non-metallic material scored along
certain portions serving as corner edges, the
scorings being normal to the plane of the open
end of the casing, sheet metal strips facing the
forward end portions of the top, bottom and side 35
walls of the casing, fastening means penetrating
into the body of the casing member and perma
nently securing the strips to the casing member,
U-shaped wires pivotally supported upon the fac
ing strips on the top and bottom walls, the strips 40
on the side walls being formed to provide longi
tudinal recesses in the planes of the side walls for
receiving and holding the legs of the wires in the
erected condition of the casing, said ‘wire legs
being movable in the planes of the side walls, 45
while the latter are in their erected, right-angular
position, into position for con?nement within
said recesses wherein they engage and cooperate
with the walls of the recesses to hold the walls
of the erected casing rigidly in right-angled re
lation.
50
9. A knocked-down open-ended casing member
constructed to receive a drawer member and hav
ing- a body formed of hingedly connected bottom,
top and side walls which are movable about their 55
hinges to the erected and collapsed conditions,
the axes of the hinges being substantially normal
to the plane of the open end of the casing, metallic
reinforcing members permanently secured to the
front edges of the portions of the casing body 60
serving as the side walls of the erected casing,
the reinforcing members of such side walls acting
to take up compressive loads on the erected cas
ing and remaining secured to the casing in the
collapsed condition of the latter, in the same 65
manner as in the erected condition thereof, the
reinforcing members being formed to provide
longitudinally open recesses in the erected con
70 ginal metal strips for holding the walls of the
dition of the latter, and angle member means
for bridging the corners of the erected casing and 70
relation.
6. A casing as set forth in claim 2, wherein
said means comprise wire members pivoted upon
75 certain of the facing strips and movable, while
; erected side walls of the casing into position for
con?nement within said recesses wherein they
engage and cooperate with the walls of the re;
cesses in the erected condition of the casing, said 75
erected casing member rigidly in right-angled > having legs movable in planes parallel to the
2,110,656
movement being effectuated without preliminary
detachment of any of the reinforcing members
from the casing.
10. A knocked-down open-ended casing mem
ber of the class described having a body formed of
a'blank of non-metallic material scored along cer
tain portions serving as corner edges and about
which the walls of the blank may be moved
angularly to the erected quadrilateral condition
10 the scorings being normal to the plane of the
5
the vertical members from the casing into posi
tion for con?nement within said recesses to- co
operate with the vertical reinforcing members to
stiffen the casing at the corners.
11. A knocked-down, open-ended casing mem
ber adapted to receive a drawer member and hav
ing a body formed of hingedly connected sections
forming the top, bottom and side walls of the
erected casing, the axes of the hinges being sub
stantially normal to the plane of the open end 10
of the casing member, metallic anchoring ele
open end of the casing, metallic reinforcing mem
at the front edges of an opposite pair of
bers at the front edges of the portions of the ments
walls of the erected casing, angular wire mem
blank serving as the side walls of the erected cas
ing, and shaped to provide vertical recesses in bers having one leg pivotally received'in the an 15
choring elements, another leg of each of said
15 the erected condition of the casing, said reinforc
ing members acting to take up compressive loads angular members protruding from said anchor
ing elements and being rotatable, on the anchored
on the erected casing and being permanently se
cured to the casing, reinforcing members facing leg, in approximately the plane of the adjacent
the front edges of those portions of the blank casing wall when the casing is in erected condi 20
tion, the movable legs of said angular members
~20 which form the top and bottom walls of the being of such length and so disposed that the
erected casing and each extending from one sur
free ends of the rotatable legs of an opposite pair
face of the associated portion and about the front of
angular members are substantially in contact
edge surface to the other, U-shaped wires pivot
in
the erected condition of the casing, whereby
ally mounted upon their central portions within
the reinforcing members of said top and bottom said angular members are enabled to transmit 25
2,5 walls in abutting relation to the front edges of at least a part of a superposed load on the eas
and means associated with the movable legs '
such walls and held against endwise removal ing
of
the
angular members for holding them in posi
from such members, the legs of said U-shaped tion along
the other opposite pair of casing walls.
members being swingable in the planes‘ oi? the
SOL SCHEINMAN.
side
walls
in
the
quadrilateral
condition
of
the
30
JACOB MANDEL.
casing and without preliminary detachment of
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