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Патент USA US3098443

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July 23, 1963
3,098,433
c. L. HORNBERGER' ETAL
DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29. 1961
19 Sheets-Sheet 1
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July 23, 1963
c. L. HORNBERGER ETAL
3,098,433
DOCTOR BLADE AND DRIVE FoR ROTARY PRINTING PRESS
Filed Aug. 29. 1961
19 Sheets-Sheet 2
INVENTORSI
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July 23, 1963
c. L. HORNBE'RGER ETAL
3,098,433
DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
F‘ibad Aug. 29, 1961
19 Sheets-Sheet 3
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July 23, 1963
c. |_. HORNBERGER ETAL
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DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29, 1961
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July 23, 1963
c. L. HORNBERGER ETAL
3,098,433
DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29. 1961
19 Sheets-Sheet 5
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July 23, 1963
c. L. HORNBERGER ETAL
3,098,433
DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29, 1961
l9 Sheets-Sheet 6
July .23, 1963
c. L. HORNBERGER ETAL
3,098,433
DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29. 1961
19 Sheets-Sheet 7
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July 23., 1963
c. L. HORNBERGER ETAL
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DOCTOR BL‘ADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29, 1961
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July 23, 1963
c. L. HORNBERGER ETAL
3,093,433
DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29, 1961
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July '23, 1963
c. L. HORNBERGER ETAL
3,098,433
DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29, 1961
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DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29, 1961
l9 ‘Sheets-Sheet 11
July 23, 1963
c. L. HORNBERGER ETAL
3,098,433
DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29, 1961
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c. L. HORNBERGER ETAL
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Filed Aug. 29, 1961
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July 23, 1963
c. |_. HORNBERGER ETAL
3,098,433
DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29, 1961
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July 23, 1963
c. L. HORNBERGER ETAL
3,093,433
DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29, 1961
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Filed Aug. 29, 1961
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I July '23, 1963
c. L. HORNBERGER ETAL
3,098,433
DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29, 1961
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INVENTORS‘
July 23, 1963
3,098,433
C. L. HORNBERGER ETAL
DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
19 Sheets-Sheet 18
Filed Aug. 29. 1961
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c. L. HORNBERGER ETAL
3,098,433
DOCTOR BLADE AND DRIVE FOR ROTARY PRINTING PRESS
Filed Aug. 29, 1961
l9 Sheets-Sheet 19
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3-,®193,433
Patented July 23, 1963
2
1
Another object of the present invention is to provide in
3,098,433
DQCTOR BLADE AND DRIVE Milt RGTARY
PRDJTING PRESS
Clarence L. Hornherger and Edward W. Stanley, Lan
caster, Pa, assignors to Armstrong Cork Company,
Lancaster, Pa, a corporation of Pennsylvania
Filed Aug. 29, 1961, Ser. No. 134,684
6 Claims. (Cl. 101-157)
such a press an arrangement of the cylinders or rolls such
that the oil-set cylinder can be easily and readily replaced
by a ilexographic roll and permit a flexographic printing
for certain types of designs and/ or over-printed borders.
A still further object of the present invention is to pro
vide in such a press a mounting and control of the off
set cylinder such that it can, in any desired stand, be
selectively raised or lowered to inactive and active posi
The present invention relates broadly to rotary printing 10 tions and so timed with the remainder of the over-all
press as to eifect a skip printing which is particularly suit
and more particularly to a rotary printing press and sys
able for cross border printing, and such operation will not
tem adapted to manufacture gravure-printed ?oor cover
affect in anyway the operation of the remainder of the
ings or the like.
press.
More speci?cally, the present invention relates to oil-set
An additional object of the present invention is to pro
gravure printing of a rotary character having extremely
vide in a press of the character described, a novel doctor
high operating features, high quality of end product pro
blade holder susceptible of so mounting and being driven
duced, and providing for optimum working conditions.
as to be substantially trouble free, susceptible of easy
It has been found that when printing designs on felt
mounting and operation, and removal vertically ‘from a
rug bases and the like, and which design necessitates a
plurality of colors in ink, oft-set .gravure printing results 20 stand of the press.
An additional object of the present invention is to pro
in favorable working conditions and optimum quality in
vide in a press system of the character described, an ar
the end product. While ?at bed and/0r direct gravure
rangement whereby the web to be printed is so disposed
presses have heretofore been utilized, certain limitations
and led through the apparatus as to provide easy access
as to the design which could be printed or undesirable op
erating characteristics of the machine have been inherent 25 to the mechanism and permit removal of the o?-set and
engraved cylinders as also the doctor blade and holder
therein.
from overhead without interfering with the web, and addi
It is accordingly a principal object of the present in
tionally permits maintaining tension on the web with the
vention to provide a rotary press of an oil-set gravure
off-set cylinder raised to inoperative position or removed
type for printing of designs in ink on ‘felt base to produce
a printed rug which overcomes the drawbacks and unsatis
factory characteristics of previously known devices.
The principle involved in use of a press of the character
of the present invention involves depositing various colored
inks in proper position on a continuously moving web by
for replacement.
A still further object of the invention is to provide a
press in which the off-set cylinder can be moved to in
operative position without affecting the position of the im
pression or engraved cylinders while maintaining constant
rotating cylinders. Considered broadly, three such rotat 35 rotation of the off-set cylinder so as to maintain proper
registry of the various cylinders.
ing cylinders are involved in placing any one color, and
A further object of the present invention is to provide
when properly assembled with relationship to a driving
in a printing press arrangement mounting and intercon
means and a means of transporting the web through an
necting drive means permitting of adjustment of the rolls
ink drying area, they constitute one stand of the over-all
for proper pressure relationships and registry.
press and press system. As contemplated by the present
Additional objects, ‘features and advantages of the pres
invention, the entire press can consist of a plurality such
as ?ve of these printing stands spaced from one another
along a continuous line. Another principal object of the
present invention is to provide apparatus and a system
ent invention will be more readily apparent from the fol
lowing detailed description of an embodiment thereof
when taken together with the accompanying drawings in
such that removal and/ or replacement of various of these 45 which:
FIGS. 1a and 1b are complementary schematic eleva
cylinders can be effected easily and quickly with a mini
tional views illustrating the subject invention in a typical
mum of effort, and with a minimum possibility of damage
plant installation embodying a multi-unit press set-up;
to the rolls. As will appear hereinafter only two of the
PEG. 2 is an enlarged fragmentary plan view as viewed
rolls in any one stand need be changed for such purposes
from line 2—2 FIGS. 1a and 112 respectively illustrating
as change of design to be printed and/ or damage or wear
the drive arrangement between the various components;
of the rolls. The construction and arrangement of the
FIG. 3 is a transverse section as viewed from line 3—3
present invention is such that these two rolls namely, the
oil-set and engraved cylinders in any stand of the press
of FIG. 1a, of the transport system for facilitating press
cylinder changes and servicing;
can be removed vertically from the machine by means of
FIGS. 4 land 5 are enlarged fragmentary end and side
a single overhead crane and removed to a cylinder clean 55
elevations of a press cylinder and associated bearing in
ing station and rack removed from the work area or space.
This is possible due to the arrangement and mounting of
course of transit;
the rolls. This arrangement and mode of operation negate
FIG. 6 is a fragmentary sectional view on the line 6—6
the necessity of moving the rolls laterally out from the
stand for placement on dollies or the like with a possibility 60
of damage to the rolls and to operating personnel while
at the same time greatly decreasing the time required for
such a change-over.
Another important object of the present invention is to
provide in a rotary off-set gravure printing press a mount
ing and arrangement of the rolls such that any individual
stand in the press may be rendered inactive by movement
of FIG. 2, of the infeed tension stand;
FIG. 6a is a similar view on line 6a-~6o of the outfeed
tension stand;
FIG. 7 is a fragmentary schematic on line 7-7 of
FIG. 6 showing details common to both infeed and out
feed stands;
FIG. 8 is a side elevational view of one of the press
units with associated dryer section;
FIGS. 9a and 9b are complementary front elevational
views
of the press unit;
without in any way affecting the tension on the web so that
FIG. 10 is a vertical elevation through the press and
proper registry is maintained at all times due to a constant 70
associated dryer section as viewed from line 10—10,
tension on the web even with one of the stands in in
of solely the off-set cylinder or roll to inoperative position
operative condition.
FIG. 9a;
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