1. business and industrial
2. energy
3. oil
4. oil company

May '3 ’ 19 27 .
l,627;049
A. MQoRE
PROCESS OF INFOLDING PAPER CONTAINER BODIES AND THE LIKE
Filed June 21. 192s
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Ma y 3 ’ 1927.
1 ,62 7,049
A. MOORE
PROCESS OF' INFOLDING PAPER CONTAINER BODIES AND THE LIKE
2 Sheets-Sheet 2
Filed June 21. 1926
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'
INVENTOR
fía /Nç 70N A70 OEE
.
BY
»
ATTORNEY
1,627,049.
'Patented' Mey 3, i927. '
'u_NirED "str-A 'Taf P'a'i‘ianiii‘> oFFicE. '
'
miraron noonn, _or maw Yoan, N. x.
' ,r
or momma linnn-comuna?. ‘aon’ms um 'rma Lum;
Appiimmn megane-21,1926. serial“ No1-11am. ‘
M invention relates to a process of in
. ,folding paper container ~bodies and other,
folded margin in wlii'chithe part, which was
first 'turned 'inwardly 'by ,progressive- advance
bodies or shells~ of paper or paper-like ma ofthe' turning tool, is directed backwardly,
- terial. The process is adapted for forming bringing 'the raw edge into the interior-of so
la reênforced margin on paper shells 'of cy
the triple fold so produced.` At the time
- lindrical, conical and' other, forms, and is '
of the sudden or -quick advance ofthe fold
5-
..
.
.
à also- adapted to the formation of interlocked ing- oi" turnin tool, if the .pressure finger ex
' seams between suoli shellsor bodies and`in
tending within the ~shell is moved inwardly,
. serted Ilan ed lheads, as inthe case of‘making or toward the shell axis a suñìcient distance
interlocke heading joints l or seams for it )vill accommodate the additional inturned
fpaper container.
-thicknesses and >press it flat.
65
- `
,The presentV invention provides an ex--- _ A like result can be obtained where; an
' , treinely simple >and eflicient’way of insuring interlocked joint is to bc produced between
that the original free edge-'or raw edge as a slielly and an inserted fianged head, but in
it issometimes called-of the shell shall be this case there are, of course, a reater numturned in so afs toi become buried `within the ber (ff thicknesses of paper to e accommo
inturned folds, as in the case of the. shell dated between the pressure finger and the
with reenforced margin, or within the seam shell land such finger is, therefore, to be
~‘ or joint vin the case of interlocked seams bei
tween shells and container heads. The ad
vantages of thus disposing of the raw edge
are numerous and include putting the raw
70
‘
moved inwardly a correspondingly greater 75
distance.
'
By utilization of this principle,~as by re- I
peated applications of the quick advance of
edge out of sight,- thereby enabling the pro the turning tool and by variations in the
ductionïof a finely finished and good ap
.
5
point at which and extent to which ap lied,
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buried or embeddedwithin the multiplejold
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pearing product not possible with >the'raw 4->a great variety of_infolds can be pro uced
>edge exposed, the elimination of'edge capil in paper articles in order to meet the re- „
larity, which is- of> importance in containers quirements which may be presented, but in
to hold liquids, added strength and rigidity,-- all '_cases the raw margin is infolded and
and related featuresof advantage.
A
-
. _
In my Patent No. 1,413,7' 59, granted April of the paper, without the necessity of utiliz
25, 1922, I have shown a mode of tuckinâ ing hooks yor guides or other -devices to guide
the raw edge in by, means of a tool provide ' thè _raw edge into the desired infolded and
with a terminal hook. The present‘process embedded position.
.
accomplishes a similar result in a much sim-, ' The accompanying drawings illustrate the
35
pler way and entirely eliminates the hook steps of the process and sufiicient apparatus
and the somewhat complicated movements `for showing how the process can be carried
and manipulations incident to its use, and into_ effect, but the apparatus shown is illus
is more ‘certain and 'efficient in operation.
trative only and various mechanisms, refer
When a paper ~shell is rotated relatively .I ably automatic machines, may beuseg.
to a suitably arranged edge turning tool, the In said drawings, Fi . 1 is a fragmentaryl
edge of the shellwill be spun or turned in longitudinal section o ap aratus designed
progressively so long ’as the tool is advanced to form a triple foldreen orced shell mar
gradually, ‘and if the edge turning‘toolfcom gin at one end ofa paper container body
prises a finger extending` down within the and to lform lan interlocked five fold heading 100
shell, this turned in »part can be made to lie seam at the other end.
Y
.
flat'against-theinterior of the shell, or, in
Fig. 2 is a detail view of the forming tool
other words, parallel thereto, with the raw release arm.
edge exposed at the inner or leading edge of' Fig. 3 is a view similar to a part of Fig.
the inturned fold.
.
'
1, and showing the parts in position prior
106
I have :found that with the same turning to 1release of the ~spring actuated turning
tool and having a simple unhooked fin er,
such inturned portion can be inturned bo ily
Figs. 4 and 5 are enlarged sections re
by a relatively uick or sudden advance of peatingl the showing ofvthat «part of Fig. 1 ~
the turning too with respect tothe rela relating to the forming of an interlock seam, 110
554 tively rotating bod or shell of paper, thus with the apparatus omitted from the show
too .
converting a two- old margin into a triple
mg'
.
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.
e j 1,697,049 _
. l Figs. 6 and 7 are plan views showing` and'its linger 42. Means are also'provided
how the inturned tool and linger are moved for moving the tool-"40 and attached linger
42 in avdirection parallel- to the longitudinal
axis of shell 20. As shown, bracket 46 is
Fig. 8 is a section of a quadruple inturned clamped on a-reciprocable slide bar 48 adapt
ed to slide Without turning in a slide bearing
paper shell margin.
in
to
accommodate ~ additional linturned
thicknesses of material.
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_
ig. 9 1s a section of a triple inturned . 50. The slide bar 48 can be given an axial
paper shell margin pressure formed into a' movement of advancement and retraction by
reenforced neck of a paper container of the means of the toothed sector 52 meshing with
tirkin type and provided with a seat adapted rack teeth 54 formed in slide bar 48. As..
to receive a disk lid.y '
shown, this sector 52 is hand operated, be
Fig. 10 isa section of a sextuple fold ing operated by the handle or crank 56.
head joint or _seam for a paper container
The rapid advancement of slide 48 and
with the parts consolidated into a solid co tool 40 is produced by means of the expan
lb herent mass of permanent gage dimension. .
Fig. 11 is a section of a consolidated live
- fold interlock heading seam.
Fig. 12 is a section of-a seven fold inter
lock seam.
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sion spring 58, which encircles slide 48 be
tween bracket 46 and bearing 50. A collar
60 limits the advance movement of slide 48
by -contact with bearing 50. In order tol
divide the movement into suitable steps or
' 'In referring to the various folded seams, parts, I may provide one or more insertable
I prefer to designate same bythe number of and removable stop and release devices, as
thicknesses therein- and to include the non the swinging arm 62 having a stop head 64,
folded shell or body part, though this part adapted to be inserted between bearing 50
-is strictly not folded.
and collar 60 (see Fie. 3) or to be swung
In the showing of Fi . 1,the paper shell20 aside (Figs. 1 and 2 ,by pulling on the
is held in a chuck 22 y a plug 24, which counterweight or handle 65„ thus permitting
`rotates with the shell and chuck and forms slide 48 to be advanced by spring 58 from
an abutment for the Hanged bottom 26. the position of Fig. 3 to that of Fig. 1. Am
90
y `Chuck 22 is shown as rotatable and the tools adjustable stop 66 serves to limit the re
30
as non-rotatable, though this relation may‘ tractile movement of slide 48; Pin 68' in
be reversed, if desired, or both may rotate bearing 50 is pressed inwardly by leaf
in lo posite directions or/and at differin»l spring 70 and is adapted to lockv slide 48 in
95
spee s. As shown, chuck 22 turns on bal , retracted position~ by entering a hole 72
35
bearings 28, 30 and is driven by a gear 32 therein. The slide may be released by llift
meshing with gear teeth 34 on the chuck 22. mg pin 68 by means of knob 74.
The shell 20 projects beyond the ends of
At the beginning of the operation, with
10U
the chuck to provide projecting material the apparatus described, and hav'ng refer
for formation into the reenforced margin or ence now to the inturning of thee ge of the
shell alone without the inserted flanged head,
A turning tool 4() is arranged to extend the operator grasps crank 56 in one hand
across the projecting shell edge on a chord and pulls out stop pin 68 with the other to
of the circle defined by such projectinggedge release slide 48. He then4 backs off gradu
(see Figs. 6 and 7). 4In the form shown, ally with handle 56 and thereby permits pin
such tool is made of a piece of round drill 40 to be advanced by expansion of spring
rod, but tools of other forms may be used.
58 against the edge of the rotating shell 20,
On its inner end the turning tool is pro While he holds the finger 42 by means of
vided with or extended to form a finger 42 handle 47 against the inturning edge and
adapted to/?n-ake contact with the inner side forms a flat fold, and thus performs the ep
of the folds as they are inturned and to eration illustrated in Fig. 3. While this
press same Hat, or in other words, to'com
adual advance of pin 40 is taking place
seam.
50
lll)
`plete the turning movement through sub t e shell is rapidly rotating, and a consider
stantially 180°. This- linger 42 is smooth able number, say 50 to 100, revolutions of
-and substantially` straightI and has no hook the shellmay take place during this interval
or similar arrangement for tucking in the in Which the _turning pin is gradually ad
65
raw edge.
-
.
vanced, this step being terminated by the
Provision is made for moving tool 40 to collar 60 of slide 48 coming to- rest against
bring finger 42Xthereof radially in and out the hinged stop piece 64, which is held up
60
and for applying` suñicient pressure -to fold against the slide bar 48 by the counter
the paper into flat folds, and in the simple ' Weight 65. (See Fig. 3.) The stop 47’
illustrative .apparatus shown for hand oper prevents pushing handle 47 and finger 42
ation, this is accomplished by mounting the .too far in the operation of holding finger
turning or folding pin 40 to turn in abearing 42. against the fold 104 as the latter is being
44‘in a bracket 46, and providing a hand op turned in, while the gradual advance of pin
125
for limiting the outward movement of pin 40
130
erated handle 47 and an adjustable stop 47 ’ 40 is taking place.
'll‘o perform the second step which is the
1 ,627,049
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principal featurelof the present invention, - brder of folds, and the place’ or-places where
the operator still holding handle y,47, but the various fold lines are located.
having moved 'it to brine’ the finger 42 in , The‘operation is much the same where
an -
wardly somewhatI from the position of F1g. inserted flanged head is to be formed into a
6 .for the first step to that of Fig. 7 to ac
commodate additional thicknesses of paper,
releases crank 56 of sector 52, and pulls on
handle 65 of hinged stop arm 62, thereby
withdrawing sto head 62 from between the
joint or seam with the margin of a paper' 'lo
shell. The formation of the simplest form
of joint so made up is illustrated at the left
vha-nd end of Fig. 1, and in Fig. 5. Here the
originalf'shell margin 200. extends beyond
collar 60 and shall, bearing 50. This releases the fiange margin 202 and is spun in there 'ns
slide 48, which u on -being released is over by the_customary,gradual spinning 0p
- abruptly advanced
y , the` spring 58 from' eration as shown at the lower left hand part
the position shown in Fig. 3'fto that shown in of Fig 1, and as shown-in Fig. 5 in full lines g
Fig. 1. This advance, instead of being at the upper right hand part of the figure.
gradual and distributed over a larger num
15
When the abr'uptiinfolding is done on a
ber of shell rotations, is quick and abrupt new fold line located at about _the middle of,
and probably is 'complete in considerably less the ña'nge height, the resulting folded joint
80°
than a single rotation of the shell. Its effect is¿jot the quintuple type shown at the up
`is to form a new fold line 102 at the place p .r left hand part of Fig. 1, and in dotted
eo where the advancement of pin 40 is s'to ped, lines in the right hand part and in full lines
' as in the case under discussion, such a rupt
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advance is stopped by collar 60 coming into
contact with slide bearing 50.
AWith the abrupt advance of the turning
pin, there is no longer-a gradual progressive
at the left hand part of Fig. 5, including,
interlocked with the triple folded parts v200,
&204, 206 of the shell, the double^folded parts
202, 203 of uw, head or bottom flange. In '
Fig. 11 I have shown the completed five fold
turning over of the paper of the shell, but joint or seam comprising folds 200', 204’ and
everything outside the new fold line is fold= 206’ of the body wall and folds 202’ and
ed in bodily at the vnew fold line and this 203’ of thejlid fiange'formed by ffolding as
bodily folding over is completed by the finger in the left hand side of Fig. 1 and in Fig.'
42. I_n the case of the paper having first 5 followed by the application of consolidat
been gradually turned or spun into a double ing pressureby means of a tool or die -hav
95
fold with the raw edge oäposite or substan - inga terminal bead to produce the internal
tiall opposite the new fol line, the resultlng groove 210. The production of the finished
prodilct after the abrupt turn is completed sea-m, however, may be accomplished in a‘
v
will be a triple fold margin, as shown at the variety of`ways after the infolding process
upper right Hand part of Fig. 1', with the of the present invention is completed.
originally folded in part 104 turned back
100
i
As inthe case of the simple folded shell,
~ ward and the raw edge buried immediately margin the folded seam including shell'and
inside the new fold line. Stateddiíferently, lid ange may be Vproduced in a'variety of ’
the triple fold margin will include'three forms depending on the number of abrupt 105
thicknesses, the _container body Wall thick
turns and locatlon ofr abrupt turn or fold ,
ness 105 at the outside, the inturned fold lines. For example, the form 212 of Fig.v 12
part 106 on the inside, and the original mar having> seven thicknesses is produced by
gin fold 104 extending reversely between making a second abrupt fold of a suitably
15
them and with the raw edge buried or em extended lid flange and body Wall. `The 110
bedded within the space between the inner form 214 of Fig. 10 having six folds is pro
and outer folds.
‘
duced by extending the shell margin consid
Such tripleinturned fold has many uses. erably beyond the lid flange and gradually
In Fig. 9, for example, I have shown same spinning the-shell material back upon -itself
50
comprising folds 104', 105’ and 106', shaped beforeinfolding with the lid flange, and'va
by suitable shaping or. spinning tools into a rions other forms may be produced in carry-k
reenforced firkin margin with an internal lid ing out the principle of the invention.
115
I claim:
'
seat 107 adapted to receive a disk lid, and
it will be seen how with such construction ' 1. The process of making -a multiple fold -` A
capillarity‘absorption of liquids contained in margin on a shell of paper, which lconsists 120
the container is precluded by the raw Iedge in rotating same relative to 'a spinning tool, `
being removed -entirely from any possibility advancing the tool gradually relative to the
of contact therewith.
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shell to foldin the margin, and then- ad
In Fig. 8 I have shown a quadruple folded vancing the tool abruptly, whereby the
Bur
marginal part comprising folds 108, 110, 112 turned in raw edge is reversed and a fold
and 114, which can be provided by per reduced in which the raw edge,A is enclosed
forming a second abrupt inturning operation 'between folds or thicknesses of paper.
125
2. In the process of multiple infolding
such as described, a'nd it will be apparent
that many variations can be produced by the wall of a paper shell, the steps of turn
varying the number of folds, the Width and ing in the margin, and then abruptly turn- " 136
‘
1,027,049
iin .
ing over the infolded-vma'rgin and adjacent
viously inturned parts are reversed and an
interlocked lseam is produced. 5
3. The process of infolding the margin of
8. In-~ the process of making a multiple
a pa er shell into multiple substantially fold interlocked scam between a paper shell
y shell wall together.
paral el folds, which- comprises. rotating the
shell with respect'to a spinning tool _extend
ing across the edge of the shell and inward
Lly ofthe shell substantially parallel to the
shell walls, advancing the tool relative to the
10 vrotating shell to 'turn themargin inwardly,
and then abruptly advancing thespinnin
tool with res ect to the rotating shell an
and a flanged paper head, the steps of ad
vancing a spinning tool relativelyv to the
relatively rotating shell edge and thereby
turning in the shell edge with the lid flange
60
between it and the shell wall, and then ab
ruptly advancing the spinning tool relative
to lthe ‘relatively rotating shell and head
flange, whereby the previously inturned
moving the inwardly extending fool part parts are abruptly reversed and an inter
65
toward the shell axis to accommodate addi locked seam is produced. "
'
tional thicknesses of paper, whereby’the re
9. In the proces of making a multiple fold
~viously infoldcd margin and adjacent s ell interlocked spun joint between a paper shell
wall are turned in `bodily on a new fold line and the flange of an'inscrted flan ed paper
with the original edge of the shell between head, the steps of inturning the e ge of the 70
the folds and directed in the same sense as shell over the edge of the head flange by ad
20 originally.
vancing a spinning tool relatively thereto
.
4. In the process of making folded mar
while shell and head vare being rotatedwith
gins on paper shells, the step of abruptly respect to the spinning tool, and then ab~
advancing a spinning tool relat1vely to a ruptly advancing the spinning tool relative 76
25
relatively rotatlng shell having its edge pre ly to the ’relatively rotating shell and head,
viously turned in, whereby the turned in whereby the edge of the head flange, the in
edge and adjacent wall portion are bodily turned shell edge and the adjacent shell wall
reversed on a new fold line.
'
v
are abruptly reversed on a new fold line and
5. ,The proces of- making on paper shells an interlocked seam is produced.
an infolded margin having, with the inclu»
10. In the process of making a~multiple
jsion of the adjacent wall part, three folds,L substantially parallel fold interlocked Seam
which includes the step of inturning the between a paper shell ,and an inserted
edge of the shell, and then abruptly infold flanged paper head, the steps of rotating
ing the inturned edge and adjacent wall shell an-d\head relative to a spinning tool
80
85
part, whereby these parts are reversed on a having a part extending across the end of
85 new fold line and the turned in edge is en the shell and a part extending inwardly-
closed in the middle of the triple fold.
substantially parallel to the shell wall to
6. The process of making on paper shells keep the parts substantially in parallelism,
a multiple infolded margin having, with the advancing the spinning tool relative to the
90
I inclusion of the adjacent wall part, an odd shell and head to turn the edge of the shell
40
number of folds, which includes the steps in over the edge of the head flange and then
of infolding the margin, and then abruptly abruptly advançlng the spinning tool rela.
infolding the wall and inturned margin on tive to the relatively rotating shell and head
a new fold line, whereby the previously in-' _ and moving the inwardly extending tool in
turned part is reversed, 'and repeating the wardly toward the .shell axis to accommo
last named step.
- date eXtra thicknesses, whereby the inturned
7. In the process of making a multiple edge, the head flange and adjacent shell wall
95
fold interlocked seam between a paper shell are abruptly inturned in reverse relation
50
and a flanged head, the steps of turning in and an interlocked seam produced with the
the edge of ,the shell with the head Harige folds thereon in substantial parallelism.
between the shell wall and the inturned edge
In testimony whereof, I have signed my
part, and abruptly turning in the inturned name hereto.
parts on a new fold line, whereby the pre
ARLINGTON MOORE.
100