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Патент USA US3088408

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May 7, 1963
F. w. BRoDERlcK
3,088,399
ROTARY REGISTER EMBOSSING PRESS
Filed Feb. 26, 1962
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2 Sheets-Sheet 1
May 7, 1963
F. w. BRODERICK
3,088,399
ROTARY REGISTERl EMBOSSING PRESS
Filed Feb. 26, 1962
2 Sheets-Sheet 2
50 /y
2/
20X
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3,038,399
Patented May 7, 1963
2
3,088,399
block disposed in a vertical slot located in -the edge of
a side support frame,
(IRO. Box 2, Stirling, NJ.)
machine or press itl is provided with a left or opera
tor’s station 11 and a right or drive station 12.
ROTARY REGISTER EMBGSSING PRESS
Frank W. Broderick, New Providence, NJ.
Filed Feb. 26, 1962, Ser. No. 175,634
8 Claims. (Cl. N91-23)
Turning now to the drawing FIG. 2, the embossing
The machine It) is ycomposed of a bed plate 13y bolted
at each end by -bolts 14 to a left and to a right upright
This invention relates to embossing presses and more
support 15.
particularly to embossing presses used in line with print
The supports 15 are substantially of a U-shaped con
ing presses and which may be adjusted without stopping 10 iiguration, each having a substantially square channel 16
the machine.
therein to receive hydraulic pump means 17 secured there
The inline embossing of rotogravure printed wraps and
to by conventional means.
labels is a very sensitive and delicate operation. The
A bottom saddle 13 suitably apertured having a suit
printing presses are run at relatively high speeds and
able central semi-circular channel is disposed on the op
so the embossing rolls are likewise run at these same 15 posed legs of an upright support 15 and a co-acting top
speeds. But the embossing rolls are mated rolls of
saddle 19 suitably apertured to mate with the apertures
hardened forged steel. Clearly if the mated embossing
female and ‘male rolls are not substantially perfectly
mated so that they are askew or misaligned even to a
of the bottom saddle 18 is disposed thereon (FIGS. 1
and 2). A plurality of Ibolts are disposed through the
apertures of the saddles 18 and 19 and into threaded
minute degree, the result is catastrophic, since the web, 20 cavities disposed in the horizontal top edges of the U
ygenerally a metal -foil or laminate, is cut and torn and
shaped frame `supports 15 at each end of the bed plate 13.
thus ybecomes just so much scrap.
A bottom embossing roll 2t) is disposed at each of
In the prior art the manner of obtaining perfect mat
its ends in a rectangular bearing box 21X. The bearing
ing between embossing rolls were crude and required
box 21X includes a conventional self-aligning roller bear
shutting oiî the machine and adjusting several hard to 25 ing unit 21 disposed about the suitably machined journal
get at bolts and even jacking up one or more corners of
22 of the roll 20.
the bedplate of the machine.
Circular side plates 23 and 24 are bolted by bolts
This invention avoids cumbersome methods of estab
25 to a rectangular bearing box frame 26 having a cen
lishing register between the rolls both in setting up the
tral aperture therein for receiving the said bearing unit
embossing press station and during the running of the 30 21. Conventional oil retainer rings 27 are employed on
press should the rolls become even slightly misaligned.
each side of the bearing unit 21. A suitably narrow cen
It is an object of this invention to provide means for
setting up an embossing station wherein the topr emboss
trally apertured circular collar 2S is disposed against the
bearing unit 21.
ing roll is easily and substantially perfectly aligned with
A suitable herringbone gear 29 is keyed to the journal
35
the bottom embossing roll.
22 -by a key 30. The gear 29 of this invention is pro
It is another object to provide a means for re-align
vided with a plurality of adjustment bolts 31, preferably
ing misa'ligned embossing rolls while running continuously.
four bolts at 90 degrees yfrom one another, disposed in
It is a further object to provide means for aligning em
corresponding threaded apertures located in said gear 29.
bossing rolls which are easily accessible, few in number
40 The bolts 31 each have a ilat end which is seated against
and fool proof in retaining an adjusted position.
the dat vertical surface of the collar 28. Clearly suit
These and other objects of this invention will become
able movement of bolts 31 adjusts the distance between
readily apparent upon reading the following descriptive
gear 29 and collar 28.
disclosure taken in conjunction with the accompanying
The extremity of journal 22 is threaded and a round
embodiments and in which;
llock Washer 33 having a single depending tab 34 and a
45
FIG. l is a view of the herringbone gear end of the
plurality of suitably spaced-apart extending ‘fingers 35 is
press showing a hydraulic press used to retain the bottom
disposed around the threaded axle with the tab 34 dis
posed in a suitable receiving channel disposed in the sur
face of the journal 22. A suita-ble threaded ring lock 36
moveable yoke,
50 is threaded tightly against the lock washer 33. The lock
FIG. 2 is a section view taken substantially on ‘line
36 is of conventional manufacture and is provided with
2_2 of FIG. l and showing the manner of adjusting
a plurality of suitably spaced-apart channels 38 in it-s ex
linearly axially the bottom roll relative to the top roll
terior beveled rim.
at the left or operator’s station, showing the top and bot- .
Upon tightening the lock 36 to the lock washer 3‘3 the
tom roll intermediate the left and the right station in a 55 washer finger 35X (FIG. 2) nearest to a channel 38
break-a-way manner, and »disclosing a portion of the right
is registered thereover and then peened into the channel
embossing roll and broken away in part to show the
manner of adjusting laterally bearing box in a vertically
>station to show the clearance therein to facilitate a reg
ister assembly of the rolls when setting up the machine.
38 thereby locking the lock 36 immoveably to the journal
22 through lock washer 33.
FIG. 3 is a break-a-way section view taken on line
As shown in FIGS. 1 and 2, a U-shaped yoke 40- is
3~-3 of FIG. l to sho-w the manner of engaging the yoke 60 disposed upon the hydraulic means 17. The bearing box
between the frame and the bearing box in a station, and
21X is of a width suitably less than the distance between
showing the clearance ‘between the bearing 4box and the
the upright arms 42 and 43 of the yoke 4t) so that a suit
yoke used for adjustment purposes,
able adjustment cleanance is provided between each side
of the bearing box 21X and the respective arm 42 and 43
showing an alternate manner of captively and slidingly 65 of the yoke 4i) (FIGS. 1 and 3). The sides of the bear
ing boxes are channeled as are also the inner sides of each
retaining a yoke arm between an exterior stationary frame
FIG. 4 is a break-a-way view similar to FIG. 3 and
and an interior laterally moveable bearing box,
FIG. 5 is a view of a Vernier screw jack used to ob
tain a suitable space relationship lbetween the top emboss
ing roll and the -bottom embossing roll, and
FIG. 6 is an end break-a-way view of a floating lock
of the upright supports 15 (FIG. 3) so that the bearing
box 21X is laterally and selectively moveable as a unit
in the yoke 40 as described hereinafter. An alternative
70 method or“ interlocking a non-flanged bearing box to op
posed dual channel yoke arm 42X and a non-channeled
frame support 15X is shown in FIG. 4.
3,088,399
3
The upright supports 15 on both sides are each pro
vided with vertical slots 45 therethrough «and a suitably
long bolt 46 threaded at the inner end is disposed in a
modiñed in that it extends suitably outward at a lesser
diameter as an extension 22Y, to which a drive sprocket
(not shown) is keyed. A collar 28 is secured against a
slot and threaded into a suitably located threaded aper
ture disposed in each of the yoke arms 42 and 43.
The end of the bolt 46 is provided with a polygonal
of a lock washer 33 and lock 36.
conñguration 46X to facilitate seizure with la wrench. The
bolts 46 are each provided with flat ends that seat against
the respective ñat vertical walls of a bearing box 21X.
bearing unit 21 on the top right journal 22X by means
Similarly on the bottom
right journal 22, the bearing unit 21 in the bearing box
21X is secured by a collar, lock washer and a lock 36.
The bottom bearing unit 21 on the bottom right journal
22 is also provided with clearance space on each of its
An integral rectangular lock block 49 is provided with 10 sides so las to allow for machining allowances of the long
embossing roll 20.
an exterior ñange portion 50 which is disposed over the
edges of slots 45 of an upright support 15 and with a suit
able integral inner rectangular portion 51 which slidingly
Another feature of this machine is the provision of a
pair of jack screws 70 (FIG. 5) for Vernier vertical ad
justment of the top roll 20X relative to the bottom roll
A flange S2 is secured as by welding to bolt 46 adjacent 15 2l). To accomplish this end the top saddle 19 is provided
with a pair of suitably large smooth walled apertures 71
to the wrench receiving end 46X. The aperture in block
and the lower saddle 18 is provided lwith threaded small
49 through which bolt 46 passes is not threaded so that the
engages the walls of slot 45.
block 49 slides on the ‘bolt 46 and is secured thereto after
diameter apertures 72 linearly disposed below apertures
thereby moving laterally the bearing box 21X and the
to receive a screw driver.
71. The pairs of apertures 71 and 72 are disposed one
adjustment of the bearing boxes by a set screw 53 located
on each side of the top journal 22X. An integral jack
20
in the side of the block.
screw having a top smooth portion 75, a threaded inter
In order to move the bearing box 21X selectively later
mediate portion 76 of lesser diameter and a base 77 of
ally or side to side (FIG. 1), the right and the left blocks
least
diameter and a ñat bottom wall is disposed through
49 are each loosened by loosening the set screws 53 there
each of the apertures 71 and threadingly through aperture
in. Next the right and the left bolts 46 are threaded into
or out of the respective arms of the yoke 40 as needed 25 72. The top of the bolt 70 is provided with a channel
herringbone gear 29 as desired.
Such side to side move
ment of the bearing box 21X permits axial adjustment of
the bottom embossing roll 20 to the top mating embossing
roll 20X since obviously the journal 22 moves with the
bearing box, thereby correcting axial misalignment even
while the rolls are running.
To assemble the embossing machine of this invention,
the bottom roll 20 with bearing boxes 21X on each end
is disposed on the yokes 40 of each end station, said sta
tions having end supports 15 held in space relationship
by a pair of spacer rods 54 secured by bolts 55 to the
respective end supports 15. Next the bottom saddles 18
are each disposed on the supports 15 at each station and 40
a semi-circular cork grease retainer 58 is inserted in the
groove provided for it. The top embossing roll 20X is
As shown in FIG. 1, the bottom wall of the jack screws
70 rest on the top ñat wall of a ‘bearing box 21X. Clearly
the selective threading in or out of at each station of the
respective jack screws 70 will selectively raise or lower
the respective end of the top embossing roll 20X relative
to the bottom embossing roll 20 to obtain limitless selec
tion of pressure on the web between the rolls 20 and 20X
by altering the distance between these rolls.
Embossing presses have their embossing rolls replaced
at frequent intervals. Preferably, the entire unit is rolled
'away and a unit with a new design of mating rolls is
rolled in line with the printing presses as the last inline
operation.
Thus to cut downtime to a minimum at least two em
bossing machines are used in inline printing-embossing
work. Accordingly, the embossing machine of this ín
vention is provided with preferably four conventional
then disposed upon the saddles 18 located at each of the
ends of the machine. The bearings 21 are disposed upon
cam displaceable roller units 80. The rollers are dis
the journals 22X located at the respective ends of roll
posed on the longitudinal edges of the base plate 13
45
20X. The top saddle 19-is then positioned on the bear
'adjacent the four respective corners. Thus by hand op
ings 21 carefully so that a pair of smooth pins 59 are
eration of cam levers 81 the entire embossing machine
dropped through corresponding apertures in saddle 19 into
may be elevated on the four cam rollers 82 and rolled
co-acting cavities located in saddle 18. The pins 59, as
away from >the printing presses and the embossing rolls
shown in FIG. -l, extend into the apertures of the top 50 20X and 20 `are then replaced by embossing rolls of new
saddle 19 thereby accurately positioning the axis of the
design.
top roll 20X in the two saddles 18 and 19 whereupon they
Thus it is seen that this invention permits selective
are bolted together and to the side supports by bolts 60.
vertical spacing apart at the individual ends of the pair
A circular face plate 61 is then secured by bolts 62
of embossing rolls by manipulation of a pair of jack
to the top saddle 19 Iand a circular conventional grease 55 screws 70 disposed at each end, one on each side of the
retainer 27 is inserted about the protruding end of journal
top roll 20X to raise or lower this top roll. It also
22X. A wide collar 28X is disposed against the left bear
ing 21. As shown in FIG. 2, a top herringbone gear 63
is then secured by a key 64 to the journal 22X of the
left or operator’s station. The end of this journal is also
threaded and the gear 63 is locked in place by means of
permits selective movement of the individual ends of
bottom roll by selective lateral movement of a bearing
box 21X located at each end of the bottom roll and
a lock washer 33 and a lock 36 as previously described.
It further permits adjustment of the bottom herring
containing the respective journal ends 22 of said bottom
roll.
The difference in width between collar 28 on the jour
bone gear 29 relative to the top herringbone gear 63 by
nal of the bottom roll 20 and collar 28X on the journal
manipulation of a plurality of adjustment bolts 31. All
on the top roll 20X permits adjustment of bottom gear 65 these adjustments are made with threaded bolts having
59 relative to top gear 63 by means of bolts 31 ‘disposed
ñat bearing surfaces engaging a flat bolt seating surface.
threadingly in the bottom gear 29.
Thus the adjustments of this invention are of the
As shown in the right end of the machine in FIG. 2,
vernier type and may be very small thereby producing
the upper saddle is provided with a clearance space 65
a sensitive mating of the embossing rolls.
on each side of the bearing unit 21 about both the top 70
In assembly the machine with a new pair of mated
journal 22X and the bottom roll journal 22. Thus plate
embossing rolls, the rolls are seated in their saddles and
61X is modiñed relative to plate 61 by having clearance
are automatically fixed in locked position at the opera
tor’s side of the press station. There is no lengthwise
space 65 machined out in plate 61X. Also the upper
or axial movement of the rolls whatsoever. The ma
right saddle 19X is modified slightly to provide a slight
clearance on its side. The top right journal 22X is also 75 chining tolerances 65 on the drive side of the rolls also
3,088,399
5
permit a suitable free floating of the rolls in both the
upper frame bearing housing and in the lower frame
bearing box.
The herringbone gears on the operator’s side are keyed
onto the journals of the rolls and then locked into an
adjusted permanent position. Prevention of mottling is
easily accomplished by adjustment of the individual jack
6
threaded bolt having a smooth non-threaded section dis
posed in said slot of said side frame, and apertured lock
block means slidingly disposed on said non-threaded sec
tion of said bolt to eiîect a locking engagement of said
bolt to said side frame after adjustment of the bearing
box in said yoke is attained by said adjustment bolt.
3. The machine of claim 2 comprising a bottom saddle
screws 70 which are easily accessible and can be adjusted
while the machine is running to give even a micrometer
side frame piece having a central semi-circular bearing
ñneness of roll spacing.
ing a co-acting central semi-circular bearing receiving
channel, bolt means for securing said top and bottom
Axial misalignment caused by variations in engraving
and production press beds is easily corrected by means
of the floating yokes 40 and the bearing boxes 21X
therein at each end of the bottom roll. These bearing
boxes are individually moved by 4adjustment bolts 46
and the adjustment attained is then locked by means of a
sliding lock block 49 locked to the side frame 15. These
receiving channel and a top saddle side frame piece hav
saddle side frame pieces to each of the side frames, said
top and said bottom saddle pieces each having a suitable
inline aperture therein on each side of the semi-circular
channel, and semi-threaded bolt means disposed through
said apertures in said saddle elements and engaging re
spectively the bottom roll bearing boxes .to effect selec
adjusting bolts 46 are not subject to wear during opera
tive separation of the top embossing roll from the bottom
tion of the embossing machine.
embossing roll.
Backlash of the herringbone gears is also completely 20 4. The machine of 'claim 3 wherein the apertures in
controlled in this invention by adjustment for misalign
the top saddle side frame elements are smooth bored
ment of the rolls through adjustment of Said bearing
and of relatively large diameter and the linear axially
boxes in their yokes 40.
disposed apertures of the bottom saddle are threaded and
Lubrication of the bearings is provided by means of
of smaller diameter.
conventional grease fittings 90. 'Ihe grease is retained 25
5. The machine of claim 4 wherein the top and the
about the bearings by conventional circular grease re
tains 27 except where split grease retainers 5S and 58X
are used. Clearly by removal of bolts 60 and the top
bottom saddle pieces disposed on one side are each
provided with a sprocket drive and the bearing box on
said drive side are provided with clearance space to al
saddle 19 and 19X, the top roll 20X may be removed
low for machining tolerances and thereby permitting a
with its end bearings 21 disposed on the journals ends 30 permanent locking of the other >side of the rolls in the cor
22X. The bearings 21 on the ends of the top roll directly
responding side frame.
engage the top saddle 19 and the bottom saddle 18,
6. The machine of claim 5 comprising a centrally aper
avoiding the disadvantages of use of bearing boxes and
`tured lower herringbone gear having a plurality of
thereby produce a tight engagement of these top bearing
«units 21 to the respective pairs of saddles.
Clearly a major improvement of this invention over
the prior art is the locking of the mated rolls in one side
only of the machine so that longitudinal or linear axial
movement of the axis of one roll relative to the other is
entirely eliminated.
threaded apertures suitably disposed about said central
aperture, and a suitably narrow centrally apertured bear
ing retaining collar, said gear being disposed adjacent
to said collar both on an end journal of the lower em
bosing roll, and threaded bolt means disposed in said
threaded apertures of said lower herringbone gear where
40 by said lower gear may be moved selectively relative to
This invention has been described by means of a few
embodiments thereof but it is not to be limited to these
said collar to permit suitable alignment with a iixed top
herringbone gear secured to» the top embossing roll.
embodiments.
7. The machine of claim 6 comprising embossing rolls
I claim:
each having journals on each end, said journals each be
1. In a rotary embossing machine having a bed plate, 45 ing suitably threaded and each provided with a suitable
a pair of opposed side frames, a pair of mated steel end
cavity, a lock washer having a plurality of upright fingers
journaled top and bottom embossing rolls disposed in
and having a depending tab adapted to be disposed in said
said side supports, and a herringbone gear secured to
cavity in said journal to prevent rotation of said washer,
each roll, the improvement comprising a vertically move
and a round lock collar having a central threaded laper
able U-shaped dual arm yoke slideably disposed in each 50 ture threaded onto said journal and ñrmly against said
of said side supports, means for selective movement of
washer, said lock collar having a plurality of spaced
said yoke, a bottom roll retaining bearing box captively
apart cavities to receive a selective finger of said lock
and slidingly disposed in each of said yokes to permit
washer in locking engagement.
limited transverse lateral movement of said -box relative
8. The machine of claim 7 comprising a plurality of
to the length of said bed plate, and threaded adjustment 55 cam roller means disposed on said bed plate and adapted
means disposed through opposed slots in said side frame
to cam elevate said bed plate from the iioor thereby
and threaded into the respective arms of each of said
permitting engagement of the rollers with the ñoor and
yokes to eiîect selective transverse movement of said
a rolling away of the embossing machine.
bearing box in each of ‘said yokes, whereby selective
adjustment of the bearing boxes at each end of the bot 60
References Cited in the ñle of this patent
tom roll adjusts for misalignment between the embossing
UNITED STATES PATENTS
rolls and for gear backlash.
690,816
Albrecht ______________ __ Jan. 7, 1902
2. 'I'he embossing machine of claim 1 wherein each of
2,362,206
Kronquest ____________ __ Nov. 7, 1944
said adjustment means comprises a suitably sectioned
2,681,611
Jacobs _______________ __ June 22, 1954
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