US3520276A - Coating machine ensuring a transfer of the coating substance under controlled conditions - Google Patents

Coating machine ensuring a transfer of the coating substance under controlled conditions Download PDF

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US3520276A
US3520276A US556069A US3520276DA US3520276A US 3520276 A US3520276 A US 3520276A US 556069 A US556069 A US 556069A US 3520276D A US3520276D A US 3520276DA US 3520276 A US3520276 A US 3520276A
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glue
cylinder
coating
spacing
cylinders
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US556069A
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Louis Martin
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MARTIN SAINT PRIEST
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MARTIN SAINT PRIEST
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2818—Glue application specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/12—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being fed round the roller

Definitions

  • COATING MACHINE ENSURING A TRANSFER OF THE COATING SUBSTANCE UNDER CONTROLLED CONDITIONS Filed June 8, 1966 2 Sheets-Sheet l L.
  • MARTIN COATING MACHINE ENSURING A TRANSFER OF THE COATING SUBSTANCE UNDER CONTROLLED CONDITIONS 2 Sheets-Sheet 2 Filed June 8, 1966 United States Patent COATING MACHINE ENSURING A TRANSFER OF THE COATING SUBSTANCE UNDER CON- TROLLED CONDITIONS Louis Martin, Lyon, France, assignor to Martin, Saint- Priest, Rhone, France, a French company Filed June 8, 1966, Ser. No. 556,069 Claims priority, application France, June 17, 1965,
  • a glue-coating machine having a glue-applying cylinder on which the material to be coated is fed, a rotary doctor cylinder being operatively associated with the glueapplying cylinder with a narrow gap between the two cylinders which regulates the quantity of glue applied to the material, the glue being supplied to the glue-applying cylinder ahead of the doctor cylinder.
  • the spacing between the axes of the two cylinders is automatically adjusted to thereby adjust the thickness of film of the coating substance in the gap between the cylinders.
  • first mechanism producing a signal related to the speed of progression of the material fed over the glue-applying cylinder
  • second mechanism producing a second signal related to the spacing between the axes of the two cylinders
  • a device for receiving the signals produced by the first and second mechanisms and for combining the signals and controlling the spacing between the cylinders in accordance with the combined signals.
  • Thickness of the film of glue covering the glue-applying cylinder is the Thickness of the film of glue covering the glue-applying cylinder.
  • said thickness of the film of glue is governed by:
  • centrifugal force which has a tendency to destroy said uniformity by forming annular bulges which may in fact be broken whereupon glue may be projected out- 'Wardly;
  • Centrifugal force depends in its turn on the speed of rotation of said cylinders and it is consequently related to the speed of progression of the cardboard or the like material to be coated.
  • the amount of glue transferred increases even if the thickness of the film of glue remains constant; this leads consequently to an increased expenditure of glue which does not improve the grade of the finished product and slows down its drying.
  • the present invention has as an object to provide an automatic adjustment of the thickness of the filrn of glue in a manner such that the transfer of the glue whatever may be the speed of progression of the cardboard is welldefined and assumes a constant value if required, this being obtained by subjecting the spacing between the axes of the cooperating cylinders to the action of two supplies of information governed respectively by the speed of progression of the cardboard or the like article to be coated and by the spacing between said cylinder axes.
  • the direction of the automatic correction is such that the thickness of the film decreases when the speed of progression increases.
  • FIG. 1 is a diagrammatic illustration of the principal components of a machine adapted to size a strip of corrugated cardboard of the so-called single surface type.
  • FIG. 2 is a perspective View of a control mechanism for such a machine.
  • FIG. 3 is a diagram illustrating the operation of said mechanism.
  • the coating machine includes, as illustrated in FIG. 1, a glue-applying cylinder 1, a doctor cylinder 2 means for feeding glue, size or varnish as provided in the case illustrated by immersion of the cylinder 1 in the vat 3 and a presser cylinder 4.
  • An adjustably positioned cylinder 5 defines the length of the are 6 over which the single surface cardboard 7 is in contact with the glue-applying cylinder 1.
  • the glue-applying cylinder 1 serves for transferring glue onto the article to be coated constituted by the strip of cardboard 7.
  • the doctor cylinder 2 adjusts the thickness of the film of glue in accordance with the adjustment of the spacing between its axis and that of the above mentioned cylinder 1.
  • the glue is fed, in the case illustrated, by immersion of the glue-applying cylinder 1 in the vat 3 in which the level of the glue is generally held at a constant height.
  • the glue may be fed however as well by means of a jet projected between the two cylinders 1 and 2 in which case the vat 3 serves only for recovering the glue and operates as a dry casing in association with an external pump.
  • the adjustment of the thickness of the film of glue is automatic as provided by way of example through an adjusting system including the following elements (FIG. 2):
  • An auxiliary motor 8 associated with a speed reducer and controlling two bell cranks 9 carrying the shaft of the doctor cylinder 2;
  • a control voltage supply constituted by a tachometric dynamo 10 generating a voltage controlled by the speed of progression of the cardboard; a further supply of feedback voltage opposing the control voltage is regulated by the modifications in the spacing produced between the axes of the cylinders 1 and 2 by the auxiliary motor 8, the last-mentioned supply being constituted by a potentiometer 12 fed by a stabilized voltage controlled by the relative shifting between the glue-applying cylinder 1 and the doctor cylinder 2;
  • An electronic system 13 (FIG. 3) which receives the control and feed-back voltages and compares them, said system having a tendency to eliminate the difference between said voltages by shifting the doctor cylinder in the desired direction as provided by the auxiliary motor 8 controlled by the rectifier amplifiers 14a and 1412, the relays 15a and 15b and the reversing switch 16.
  • the automatic adjustment of the spacing between the cylinders 1 and 2 is ensured by the fact that the auxiliary motor 8 drives as illustrated in FIG. 2, the sunwheel 19 of the planetary gear system 27 through the agency of the intermediate pinions 17 and 18, the inner sunwheel 29 and the planet pinions.
  • the outer sunwheel 19 driven by the planet pinions meshes with a pinion 21 driving a shaft 22 carrying eccentric members 23 adapted to shift the levers 9, the angular position of which, defines the value of the spacing between the axes of the two cylinders 1 and 2, which value is continuously given out by a vernier 24.
  • the control of the spacing between said axes includes the above-mentioned sun and planet gear 27 having a double input, of which one input is constituted by a planet carrier arm 28 driven by the handcontrolled arrangement while the other input is constituted by the above mentioned inner sunwheel 29 driven by the auxiliary motor 8.
  • the shaft of the hand-controlled arrangement 25 carries furthermore a self-locking system preventing said shaft from rotating in either direction unless it is driven by the hand controlled arrangement.
  • the control mechanism described shows a well-defined response curve so that it is advisable, while retaining the shape of said curve, to shift it forwardly or rearwardly 40 in accordance with the values of certain parameters depending on the features of the cardboard and glue which are being used.
  • an auxiliary manually adjustable potentiometer is inserted in series with the main potentiometer 12. Such an auxiliary potentiometer provides the auxiliary advantage of furthering the gauging of the electronic system.
  • a machine for coating glue and the like coating substance over a sheet of material chiefly the crests of the outer corrugations of a sheet of corrugated cardboard carrying a covering surface only on the side opposed to said crests, prior to the application of the second covering surface over said crests
  • said machine comprising a glue-applying cylinder over a predetermined arc of which the material to be coated is fed, a rotary doctor cylinder operatively associated with said glue-applying cylinder ahead of said are, with a narrow gap between the two cylinders, means for feeding the coating substance to the glue-applying cylinder ahead of the doctor cylinder and means for adjusting automatically the spacing between the axes of said two cylinders to thereby adjust the thickness of hte film of coating substance in the gap between the cylinders, the latter said means including a first mechanism for producing a signal related to the speed of progression of the material fed over the glue-applying cylinder, a second mechanism for producing a second signal related to the spacing between the axes of

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Paper (AREA)

Description

July 14, 1970 L. MARTIN 3,
COATING MACHINE ENSURING A TRANSFER OF THE COATING SUBSTANCE UNDER CONTROLLED CONDITIONS Filed June 8, 1966 2 Sheets-Sheet l L. MARTIN COATING MACHINE ENSURING A TRANSFER OF THE COATING SUBSTANCE UNDER CONTROLLED CONDITIONS 2 Sheets-Sheet 2 Filed June 8, 1966 United States Patent COATING MACHINE ENSURING A TRANSFER OF THE COATING SUBSTANCE UNDER CON- TROLLED CONDITIONS Louis Martin, Lyon, France, assignor to Martin, Saint- Priest, Rhone, France, a French company Filed June 8, 1966, Ser. No. 556,069 Claims priority, application France, June 17, 1965,
Int. on. as, 1/04 US. Cl. 1188 1 Claim ABSTRACT OF THE DISCLOSURE A glue-coating machine having a glue-applying cylinder on which the material to be coated is fed, a rotary doctor cylinder being operatively associated with the glueapplying cylinder with a narrow gap between the two cylinders which regulates the quantity of glue applied to the material, the glue being supplied to the glue-applying cylinder ahead of the doctor cylinder. The spacing between the axes of the two cylinders is automatically adjusted to thereby adjust the thickness of film of the coating substance in the gap between the cylinders. This is achieved by a first mechanism producing a signal related to the speed of progression of the material fed over the glue-applying cylinder, a second mechanism producing a second signal related to the spacing between the axes of the two cylinders and a device for receiving the signals produced by the first and second mechanisms and for combining the signals and controlling the spacing between the cylinders in accordance with the combined signals.
When coating a yielding or rigid product in the shape of a plate or of a roll and in particular when it is desired to size the upper sections of a corrugated cardboard of the so-called single faced type with a view to applying a covering sheet transforming it into a so-called double faced corrugated cardboard, the parameters governing the deposit or transfer of the coating material are as follows:
Nature, viscosity and adhesivity of the glue, size, varnish or the like coating material;
Nature, porosity and moisture contents of the cardboard or paper;
Thickness of the film of glue covering the glue-applying cylinder.
In particular, said thickness of the film of glue is governed by:
The surface pressure which has a tendency to render said thickness uniform;
The centrifugal force which has a tendency to destroy said uniformity by forming annular bulges which may in fact be broken whereupon glue may be projected out- 'Wardly;
The distance separating the doctor cylinder from the glue-applying cylinder and consequently the spacing between the axes of said cylinders.
Centrifugal force depends in its turn on the speed of rotation of said cylinders and it is consequently related to the speed of progression of the cardboard or the like material to be coated. However, by reason of the increase in the speed of progression and thereby of centrifugal force, the amount of glue transferred increases even if the thickness of the film of glue remains constant; this leads consequently to an increased expenditure of glue which does not improve the grade of the finished product and slows down its drying.
Such an increase might be prevented by correcting manually and uninterruptedly the spacing between the ice axes of the cylinders. Such an operation is however out of the question in practice since it is a diflicult matter to detect the thickness of the deposit. In practice one merely limits the spacing between the axes of the cylinder in an arbitrary manner, taking into account the speed of progression of the cardboard.
The present invention has as an object to provide an automatic adjustment of the thickness of the filrn of glue in a manner such that the transfer of the glue whatever may be the speed of progression of the cardboard is welldefined and assumes a constant value if required, this being obtained by subjecting the spacing between the axes of the cooperating cylinders to the action of two supplies of information governed respectively by the speed of progression of the cardboard or the like article to be coated and by the spacing between said cylinder axes.
While the machine allows also an adjustment by hand the direction of the automatic correction is such that the thickness of the film decreases when the speed of progression increases.
The accompanying diagrammatic drawings illustrate by way of example and in a non-limiting sense a preferred embodiment of a machine executed in accordance with the invention. In said drawings:
FIG. 1 is a diagrammatic illustration of the principal components of a machine adapted to size a strip of corrugated cardboard of the so-called single surface type.
FIG. 2 is a perspective View of a control mechanism for such a machine.
FIG. 3 is a diagram illustrating the operation of said mechanism.
Generally speaking, the coating machine includes, as illustrated in FIG. 1, a glue-applying cylinder 1, a doctor cylinder 2 means for feeding glue, size or varnish as provided in the case illustrated by immersion of the cylinder 1 in the vat 3 and a presser cylinder 4. An adjustably positioned cylinder 5 defines the length of the are 6 over which the single surface cardboard 7 is in contact with the glue-applying cylinder 1. The glue-applying cylinder 1 serves for transferring glue onto the article to be coated constituted by the strip of cardboard 7. The doctor cylinder 2 adjusts the thickness of the film of glue in accordance with the adjustment of the spacing between its axis and that of the above mentioned cylinder 1.
The glue is fed, in the case illustrated, by immersion of the glue-applying cylinder 1 in the vat 3 in which the level of the glue is generally held at a constant height. The glue may be fed however as well by means of a jet projected between the two cylinders 1 and 2 in which case the vat 3 serves only for recovering the glue and operates as a dry casing in association with an external pump.
In the machine described by way of example, the adjustment of the thickness of the film of glue is automatic as provided by way of example through an adjusting system including the following elements (FIG. 2):
An auxiliary motor 8 associated with a speed reducer and controlling two bell cranks 9 carrying the shaft of the doctor cylinder 2;
A control voltage supply constituted by a tachometric dynamo 10 generating a voltage controlled by the speed of progression of the cardboard; a further supply of feedback voltage opposing the control voltage is regulated by the modifications in the spacing produced between the axes of the cylinders 1 and 2 by the auxiliary motor 8, the last-mentioned supply being constituted by a potentiometer 12 fed by a stabilized voltage controlled by the relative shifting between the glue-applying cylinder 1 and the doctor cylinder 2;
An electronic system 13 (FIG. 3) which receives the control and feed-back voltages and compares them, said system having a tendency to eliminate the difference between said voltages by shifting the doctor cylinder in the desired direction as provided by the auxiliary motor 8 controlled by the rectifier amplifiers 14a and 1412, the relays 15a and 15b and the reversing switch 16.
The automatic adjustment of the spacing between the cylinders 1 and 2 is ensured by the fact that the auxiliary motor 8 drives as illustrated in FIG. 2, the sunwheel 19 of the planetary gear system 27 through the agency of the intermediate pinions 17 and 18, the inner sunwheel 29 and the planet pinions. The outer sunwheel 19 driven by the planet pinions meshes with a pinion 21 driving a shaft 22 carrying eccentric members 23 adapted to shift the levers 9, the angular position of which, defines the value of the spacing between the axes of the two cylinders 1 and 2, which value is continuously given out by a vernier 24.
There is furthermore provided an arrangement for manual adjustment 25 which allows the operator to set the spacing between the axes of cylinders 1 and 2 at an optimum value at the start, at which moment the vernicr 26 shows the minimum desired thickness of glue which is to be preferred for the highest speed, said adjusting means allowing furthermore a correction during operation if required.
To this end, the control of the spacing between said axes includes the above-mentioned sun and planet gear 27 having a double input, of which one input is constituted by a planet carrier arm 28 driven by the handcontrolled arrangement while the other input is constituted by the above mentioned inner sunwheel 29 driven by the auxiliary motor 8. The shaft of the hand-controlled arrangement 25 carries furthermore a self-locking system preventing said shaft from rotating in either direction unless it is driven by the hand controlled arrangement.
The control mechanism described shows a well-defined response curve so that it is advisable, while retaining the shape of said curve, to shift it forwardly or rearwardly 40 in accordance with the values of certain parameters depending on the features of the cardboard and glue which are being used. To this end, an auxiliary manually adjustable potentiometer is inserted in series with the main potentiometer 12. Such an auxiliary potentiometer provides the auxiliary advantage of furthering the gauging of the electronic system.
I claim:
1. A machine for coating glue and the like coating substance over a sheet of material chiefly the crests of the outer corrugations of a sheet of corrugated cardboard carrying a covering surface only on the side opposed to said crests, prior to the application of the second covering surface over said crests, said machine comprising a glue-applying cylinder over a predetermined arc of which the material to be coated is fed, a rotary doctor cylinder operatively associated with said glue-applying cylinder ahead of said are, with a narrow gap between the two cylinders, means for feeding the coating substance to the glue-applying cylinder ahead of the doctor cylinder and means for adjusting automatically the spacing between the axes of said two cylinders to thereby adjust the thickness of hte film of coating substance in the gap between the cylinders, the latter said means including a first mechanism for producing a signal related to the speed of progression of the material fed over the glue-applying cylinder, a second mechanism for producing a second signal related to the spacing between the axes of the two cylinders, means for receiving said signals produced by said first and second mechanisms and for combining said signals and controlling said spacing between the cylinders in accordance with the combined signals, said first mechanism being a tachometric dynamo controlled by the speed of progression of the material, the second mechanism being constituted by a potentiometer the magnitude of which is governed by the spacing between the two cylinders, the means for controlling the spacing being constituted by an electronic system defining the difference between the voltage signal fed by the dynamo and the voltage signal fed by the potentiometer, an auxiliary motor controlled by said electronic system and controlling said doctor cylinder to modify the spacing between the cylinder axes, a planetary gear system between the auxiliary motor and the doctor cylinder a lever adapted to shift the doctor cylinder towards and away from the glue-applying cylinder, means indicating the spacing between the cylinder axes and controlled by the planetary gear system and hand-operable means adapted to act on the planet wheels of the planetary gear system.
References Cited UNITED STATES PATENTS 581,056 4/1897 Bodkin 118262 X 1,347,066 7/1920 Vuono. 2,053,730 9/ 1936 Menkaw 118-262 X 2,369,378 7/1945 Thiele et a1. 1l8262 X 2,613,600 10/1952 McWhorter 118262 X 2,681,636 6/1954 Fredolph 118262 X 2,827,873 3/1958 Thorn 1187 3,103,459 9/1963 Kane 118--262 X ROBERT I. SMITH, Primary Examiner US. Cl. X.R.
US556069A 1965-06-17 1966-06-08 Coating machine ensuring a transfer of the coating substance under controlled conditions Expired - Lifetime US3520276A (en)

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FR46122A FR1455170A (en) 1965-06-17 1965-06-17 Controlled transfer coating machine

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AT (1) AT276053B (en)
BE (1) BE681386A (en)
CH (1) CH446039A (en)
DE (1) DE1577864A1 (en)
ES (1) ES328438A1 (en)
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GB (1) GB1145533A (en)
NL (1) NL6608280A (en)
SE (1) SE328177B (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683648A (en) * 1968-11-22 1972-08-15 Vepa Ag Apparatus for coating a material length with a fluid coating substance
US3688736A (en) * 1970-06-08 1972-09-05 Eickhoff Geb Glue applicator for corrugated paper machine
US3931787A (en) * 1973-06-20 1976-01-13 Stoody Company Apparatus for applying solid particle material to a strip
US4014287A (en) * 1975-08-04 1977-03-29 Comstock & Wescott, Inc. High speed fluid applicator
US4084539A (en) * 1976-09-24 1978-04-18 Copar Corporation Voltage to air pressure transducer
US4164911A (en) * 1977-09-19 1979-08-21 Engineering Systems Corporation Apparatus for re-inking printing ribbons
US4301598A (en) * 1980-05-23 1981-11-24 Molins Machine Company, Inc. Single faced corrugated web thickness sensing apparatus
US4806183A (en) * 1986-08-11 1989-02-21 Consolidated Papers, Inc. Method of and apparatus for controlling application of glue to defined areas
US5019024A (en) * 1990-03-15 1991-05-28 Philip Morris Incorporated Tensioning and gluing methods and apparatus for tube winding machines
US5785802A (en) * 1995-03-29 1998-07-28 Mitsubishi Jukogyo Kabushiki Kaisha Method and apparatus for single facer glue application adjustment
US20130017941A1 (en) * 2010-04-07 2013-01-17 Mitsubishi Heavy Industries Printing & Packaging Machinery, Ltd. Double facer, and method and device for gluing thereof

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5842025B2 (en) * 1979-09-07 1983-09-16 レンゴ−株式会社 single facer
US4617076A (en) * 1984-09-17 1986-10-14 Westvaco Corporation Glue applicator for single-faced corrugated web
JPH0638669Y2 (en) * 1989-02-02 1994-10-12 三菱重工業株式会社 Glue machine for glue machine
DE3936774A1 (en) * 1989-11-04 1991-05-08 Buerkle Gmbh & Co Robert DEVICE FOR COATING PLANNER WORKPIECES WITH FLOWABLE MATERIALS
JP2837126B2 (en) * 1996-01-23 1998-12-14 三菱重工業株式会社 Single-facer gluing adjustment method and apparatus
DE19715174B4 (en) * 1997-04-11 2006-11-09 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Device for producing a composite layer web
GB2346903B (en) * 1999-02-18 2003-03-12 Interfic Eng Ltd Apparatus for use in and a method of applying glue
IT201700011824A1 (en) * 2017-02-03 2018-08-03 Futura Spa Embossing system.

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Publication number Priority date Publication date Assignee Title
US581056A (en) * 1897-04-20 Machine for damping and giving press-copied effects to letters
US1347066A (en) * 1919-06-30 1920-07-20 Giuseppi P Vuono Silk-finishing machine
US2053730A (en) * 1934-11-22 1936-09-08 Robert Minkow Gluing machine
US2369378A (en) * 1939-05-31 1945-02-13 Cons Water Power And Paper Com Paper coating device
US2613600A (en) * 1950-02-07 1952-10-14 Goss Printing Press Co Ltd Inking arrangement for printing presses
US2681636A (en) * 1951-01-15 1954-06-22 Black Clawson Co Paper coating machine
US2827873A (en) * 1956-08-10 1958-03-25 George W Swift Jr Inc Automatically regulated adhesive applying apparatus
US3103459A (en) * 1963-09-10 Paperboard corrugating medium treatment

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US581056A (en) * 1897-04-20 Machine for damping and giving press-copied effects to letters
US3103459A (en) * 1963-09-10 Paperboard corrugating medium treatment
US1347066A (en) * 1919-06-30 1920-07-20 Giuseppi P Vuono Silk-finishing machine
US2053730A (en) * 1934-11-22 1936-09-08 Robert Minkow Gluing machine
US2369378A (en) * 1939-05-31 1945-02-13 Cons Water Power And Paper Com Paper coating device
US2613600A (en) * 1950-02-07 1952-10-14 Goss Printing Press Co Ltd Inking arrangement for printing presses
US2681636A (en) * 1951-01-15 1954-06-22 Black Clawson Co Paper coating machine
US2827873A (en) * 1956-08-10 1958-03-25 George W Swift Jr Inc Automatically regulated adhesive applying apparatus

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3683648A (en) * 1968-11-22 1972-08-15 Vepa Ag Apparatus for coating a material length with a fluid coating substance
US3688736A (en) * 1970-06-08 1972-09-05 Eickhoff Geb Glue applicator for corrugated paper machine
US3931787A (en) * 1973-06-20 1976-01-13 Stoody Company Apparatus for applying solid particle material to a strip
US4014287A (en) * 1975-08-04 1977-03-29 Comstock & Wescott, Inc. High speed fluid applicator
US4084539A (en) * 1976-09-24 1978-04-18 Copar Corporation Voltage to air pressure transducer
US4164911A (en) * 1977-09-19 1979-08-21 Engineering Systems Corporation Apparatus for re-inking printing ribbons
US4301598A (en) * 1980-05-23 1981-11-24 Molins Machine Company, Inc. Single faced corrugated web thickness sensing apparatus
US4806183A (en) * 1986-08-11 1989-02-21 Consolidated Papers, Inc. Method of and apparatus for controlling application of glue to defined areas
US5019024A (en) * 1990-03-15 1991-05-28 Philip Morris Incorporated Tensioning and gluing methods and apparatus for tube winding machines
US5785802A (en) * 1995-03-29 1998-07-28 Mitsubishi Jukogyo Kabushiki Kaisha Method and apparatus for single facer glue application adjustment
US20130017941A1 (en) * 2010-04-07 2013-01-17 Mitsubishi Heavy Industries Printing & Packaging Machinery, Ltd. Double facer, and method and device for gluing thereof
US9409374B2 (en) * 2010-04-07 2016-08-09 Mitsubishi Heavy Industries Printing & Packaging Machinery, Ltd. Double facer, and method and device for gluing thereof

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GB1145533A (en) 1969-03-19
SE328177B (en) 1970-09-07
NL6608280A (en) 1966-12-19
AT276053B (en) 1969-11-10
ES328438A1 (en) 1967-04-01
CH446039A (en) 1967-10-31
FR1455170A (en) 1966-04-01
DE1577864A1 (en) 1970-04-09
BE681386A (en) 1966-10-31

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