US3692301A - Method of,and apparatus for,opening folded multi-sheet paper products - Google Patents

Method of,and apparatus for,opening folded multi-sheet paper products Download PDF

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Publication number
US3692301A
US3692301A US162049A US3692301DA US3692301A US 3692301 A US3692301 A US 3692301A US 162049 A US162049 A US 162049A US 3692301D A US3692301D A US 3692301DA US 3692301 A US3692301 A US 3692301A
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US
United States
Prior art keywords
fold
pressure
paper product
product
paper
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US162049A
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English (en)
Inventor
Jakob Wetter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ferag AG
Ferag Fehr and Reist AG
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Ferag AG
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Publication date
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/30—Opening devices for folded sheets or signatures
    • B65H5/301—Opening devices for folded sheets or signatures comprising blade-like means inserted between the parts to be opened
    • B65H5/302—Opening devices for folded sheets or signatures comprising blade-like means inserted between the parts to be opened the blade-like means being stationary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/68—Adding inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/43—Gathering; Associating; Assembling
    • B65H2301/432—Gathering; Associating; Assembling in pockets, i.e. vertically

Definitions

  • the present invention relates to a new and improved method of, and apparatus for, opening folded, multisheet paper products, for instance folded newspapers, especially for the purpose of introducing an insert or the like, such as a supplement, into the paper product.
  • the technique is also known in the art wherein a gripper element engages with an open or cut edge of the paper product. Then both of the gripper jaws of the gripper element, and which jaws maybe provided with an adhering coating or with pointed or tipped portions, are moved relative to one another, preferably at an angle with respect to the product fold.
  • This technique produces results similar to the above-discussed technique where the fold itself is dammed-up or flexed, however here the fold is not damaged. Moreove, this technique, considered from the stand-point of the requirements of the apparatus needs a minimum amount of hardware, especially if it is considered that a gripper must be provided for each individual paper product.
  • a further proposal which has been advanced in this art for the purpose of opening paper products consists incutting the cut edges of the product by means of a separating element.
  • this technique contemplates the introduction of, for instance, a sword-like element or a wedge into the cut edge of the product and thereafter opening such product.
  • This opening technique however is only really suitable for paper products which possess a certain minimum thickness, and additionally it is still nonetheless associated with the drawback that it is possible to damage the side edges of the sheets which coincide with the cutting edges.
  • a primary objective of this invention is to provide a novel method of, and apparatus for, opening such paper products in a manner effectively fulfilling the existing need in the art and reliably and effectively overcoming the aforementioned drawbacks of the prior art.
  • Another and more specific object of this invention is directed to a new and improved method for opening paper products of the most varied types, which resorts to the use of extremely simple means for carrying out the product opening operation and with the use thereof extensively avoids the previously mentioned disadvantages and drawbacks of the state-of-the-art techniques.
  • Yet a further significant object of this invention relates to an extremely simple construction of apparatus for opening paper products in an efficient and reliable manner, minimizing all possible danger to damage of the product as it is being handled by such opening apparatus.
  • a further noteworthy object of this invention relates to a novel construction of apparatus for opening paper products which is extremely simple in design, yet highly reliable in operation, not readily subject to breakdown or malfunction, requires a minimum of maintenance and servicing, and is economical to manufacture, and further provides for safe handling of the products or articles which are to be opened.
  • the invention is predicated upon the recognition that in the case of paper products of the previously mentioned type the fold itself is not a crimp or kink,'
  • the invention is not only concerned with the novel method aspects but also with a preferred construction of apparatus for carrying out the contemplated method of this invention.
  • the inventive apparatus as proposed herein is of the type equipped with a contact surface destined to guide the fold of the paper product.
  • a clamping member equipped with a pressure element and a counterelement, and the printedproduct or the like can'be introduced between such pressure element and the counterelement.
  • FIGS. 1 to 4 illustrate the manner in which the pressure exertedat the region of the fold acts upon a multisheet newspaper
  • FIG. 5 schematically illustrates the essential components of a first embodiment of apparatus for carrying out the inventive method
  • FIGS. 6 and 7 show respective variant embodiments of the apparatus depicted in FIG. 5.
  • FIG. 1 there will be recognized a newspaper 1 consisting, for instance, of four portions 2.
  • Each of these portions 2 consists of a twice folded paper sheet, therefore possesses a side fold and a main fold portion.
  • These four portions 2 are inserted within one another so that the four main fold portions collectively form the so-called collar or main fold 3 of the newspaper I.
  • the newspaper I bears upon a support surface 4 which is inclined with respect to the horizontal by an angle 5, as best seen by referring to FIG. 4.
  • this pressure initially has the following effects: the location of the newspaper I which is subjected to the pressure is compressed.
  • the reaction of this pressing or compressing together is to fan out the flaps of the portions 2 located to one side of the collar 3.
  • FIG. 3 which essentially is a section taken substantially along the line III-III of FIG. 2, then it will be apparent that owing to this fanning apart of the flap portions of the newspaper portions 2 a substantially wedge-shaped gap 7 forms at the side of the side folds.
  • This gap 7 provides a positive point of attack for gripper means or other mechanical means facilitating the subsequent completion of the opening of the newspaper I.
  • FIG. 2 is viewed in a section taken along substantially the line IV-IV of FIG.'2, as-indicated in the showing of FIG. 4.
  • the wedge-shaped gap 8 appearing in this plane is particularly large, especially also only because the newspaper I itself isin an elevationally erected position. If the newspaper were situated in a horizontal position then the formation of the gap 8 would be countered by the inherent weight of the fanned out newspaper flap portions. On the other hand, even with the horizontal position the gap 7 would also be formed.
  • FIG. 5 there is illustrated therein an exemplary embodiment of inventive-apparatus for carrying out the just-described operations in a continuous method.
  • the schematic illustration of apparatus construction depicted in FIG. 5 serves the purpose of.
  • the newspaper which in its entirety is again indicated by reference character 1 and which in this instance consists of two newspaper portions each of which have been twice folded.
  • the upright disposed support surface in this case is formed by two endless conveyor bands 4 and 37, both of which are driven to continuously revolve at the velocity C and are trained about the rollers 6, 66 as shown.
  • the exact manner in which the conveyor bands 6 and 66 are actually driven is not crucial to the invention and any suitable drive arrangement can be utilized.
  • the collar or main fold 3 of the composite newspaper I in other words the newspaper formed of the two portions 2 bears upon a contact or impact rail 20.
  • a stationary separation wedge orimplement 68 which possesses a tip portion 69 in the form of the bow of a ship.
  • FIG. 6 it is to be understood that there is illustrated therein on a smaller scale a modification of the apparatus depicted in FIG. 5, and which here is especially suitable for opening somewhat thinner paper products, for instance newspapers, possessing a total thickness in the range of 5 millimeters or below.
  • roller 27 which is provided at the extended chain link 26 of the revolving chain 23 essentially only serves as a conveying element in order to press the erected newspaper I with sufficient force against the conveying band '4, so that the friction prevailing between this conveying band 4 and the newspaper I is sufficient to overcome the friction existing between the collar or main fold 3 and the contact rail 20, that is, in order to be able to even impart the requisite feed or conveying movement to this newspaper I.
  • a special pressure element 50 Such is advantageously constructed as a circular sector-shaped-cam disk or plate 53, the edge 54 at the peripheral side of which is sharpened approximately in the manner of a folder.
  • the cam disk 53 is seated upon a shaft 51 which, by any suitable and therefore non-illustrated means, is driven in the direction of the arrow 52 in such a manner that the peripheral velocity of the edge 54 approximately corresponds to the conveying speed C of the conveying band 4.
  • the shaft 51 essentially extends parallel to the surface of the conveyor or conveying band 4 but is angled or inclined with respect to the direction of conveying.
  • the wedge-shaped gap 8 mentioned in conjunction with the description of the apparatus in FIG. 5, is also here formed. Introduced into this wedge-shaped gap 8 is the tip 69 of the separating element or wedge 68 arranged following the discharge end of the conveyor bands 4 and 37, this tip 69 here being located towards the top of the newspaper I, and thereby automatically completing the opening of the newspaper I which has been initiated by the pressure disk or segmented plate 53.
  • FIG. 7 illustrates an embodiment of the inventive apparatus which is suitable for opening paper products, and in particular is especially suitable for opening even thinner paper products than is the case for the embodiment of FIG. 6.
  • Such thin products for instance with a total thickness beneath two millimeters and a size corresponding to the average format of a newspaper, typically, as is known, possess much too slight rigidity or stiffness that they can be conveniently placed in the advantageous erected position with the fold arranged at the bottom of the product and utilized for carrying out the inventive method, without the danger of the entire product itself crumbling or collapsing together.
  • FIG. 7 there is provided an approximately horizontally extended endless conveyor band 71 which is guided about suitable deflecting rollers so as to travel with the velocity C, and wherein as a matter of convenience FIG. 7 only illustrates the discharge side-located deflection roller 72.
  • the width of the conveyor or conveying band 71 is somewhat less than the width of the newspapers 1 which are reposing upon the conveying band 71 and 1 are conveyed in this position, so that the main fold 3 protrudes laterally somewhat past the side edge of the conveyor band I which is closest to the observer.
  • a chain 23 is operatively associated with the conveying band 71, chain 23 being driven for movement in the same directional sense as the conveying band 71.
  • This chain 23 also is equipped with elongated chain links 26 (only one of which is shown) which extend towards the outside with respect to the revolving path of travel of the chain 23, these chain links being arranged at a uniform spacing from one another and having secured at their free ends the respective rollers 27.
  • the rollers 27 function as pure pressure elements inasmuch as they fixedly retain the newspaper 1 against the conveying band 71.
  • auxiliary chain 73 In order to be able to carry out this bending action, there is advantageously provided for the embodiment of FIG. 7 a small auxiliary chain 73.
  • This auxiliary chain 73 is guided about three sprocket wheels or gears 74, 75 and 76.
  • the revolving path of travel of the chain 73 extends in a plane which is essentially perpendicular to the plane containing the conveying band 71.
  • Disposed within this revolving path of travel of the chain 73 is a section 78 which, viewed in the driving direction in the sense of the arrow 79, penetrates from the top towards the bottom the plane of the conveyor band 71, and specifically directly adjacent the side edge of this conveyor band which is closest to the observer.
  • a further conveyor or conveying band 82 which is guided over suitable rollers, for instance the roller 83 which is visible and is driven by any suitable and therefore not particularly shown means with the same conveying speed as the conveyor band 71. Care must be taken to ensure that the 'width of this conveyor band 82 is greater than that of the conveyor band 71, and therefore is sufficient to support the entire width of the newspaper 1.
  • a stationarily arranged sheet metal guide member 84 is operatively associated with the conveyor band 82, and wherein the end 85 of this guide member 84 which confronts the discharge end of the conveyor band 82 extends over such discharge end and possesses a twisted shape.
  • the free terminal edge 86 of this twisted end section 85 of the sheet metal guide member 84 extends practically parallel to the plane of the conveyor band 71, and is located as a slight spacing above such conveyor band 71. Accordingly, this sheet metal guide member 84 possesses an increasing vertical direction or ascent throughout the extension of the section 85, in order to merge into a flat almost vertically extending section 87 following the section 85.
  • the side edge of the conveying band 82 which is closest to the observer of the drawing of FIG. 7 is provided with a contact or impact band member 88.
  • This contact band member 88 extends perpendicular to the conveyor band 82 and is driven inany suitable fashion to move in the same direction as the conveyor band 82.
  • the revolving movement of the contact or impact band 88 has been indicated in FIG. 7 with the velocity vector C During the further conveying of the newspaper I by the conveyor band 82 the main fold 3 comes to lie in the crevice or corner formed by the cooperative arrangement of conveyor band 82 and contact band 88.
  • a method of opening folded, multi-sheet paper products comprising the steps of exerting a pressure at the region of a fold of the folded multisheet paper product, which pressure is directed transverse to the plane containing the product, and by means of the exerted pressure lifting the sheets of the product disposed to one side of the fold from the sheets of the product disposed to the other side of such folds.
  • An apparatus for opening folded multi-sheet paper products especially for the introduction of an insert into the opened paper products, comprising means providing a contact surface for guiding the fold of each paper product, clamping means provided along the path of guiding of the paper products which comprises at least one pressure element and a counterelement, each paper product being insertable between said pressure element and counterelement, and conveying means for introducing such paper products between said pressure element and counterelement.
  • each said pressure element is in the form of a press roll.
  • said counterelements comprises a conveyor band having a substantially horizontally disposed conveying surface for the purpose of conveying the paper products with its fold freely laterally protruding, an endless revolving chain moving in the same direction as said conveyor band, said pressure element comprising a press roll secured to said endless revolving chain and cooperating with said freely laterally protruding fold, a bending device arranged laterally of said conveyor band by means of which said freely laterally protruding fold of the paper product is flexed until extending beneath the conveying surface of the conveyor band.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Collation Of Sheets And Webs (AREA)
US162049A 1970-07-21 1971-07-13 Method of,and apparatus for,opening folded multi-sheet paper products Expired - Lifetime US3692301A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1105170A CH526400A (de) 1970-07-21 1970-07-21 Verfahren und Vorrichtung zum Öffnen von gefalteten, mehrblättrigen Papierprodukten, insbesondere von gefalteten Zeitungen, sowie Anwendung des Verfahrens

Publications (1)

Publication Number Publication Date
US3692301A true US3692301A (en) 1972-09-19

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ID=4369565

Family Applications (1)

Application Number Title Priority Date Filing Date
US162049A Expired - Lifetime US3692301A (en) 1970-07-21 1971-07-13 Method of,and apparatus for,opening folded multi-sheet paper products

Country Status (8)

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US (1) US3692301A (enrdf_load_stackoverflow)
JP (1) JPS5525100B1 (enrdf_load_stackoverflow)
CH (1) CH526400A (enrdf_load_stackoverflow)
DE (1) DE2136227C3 (enrdf_load_stackoverflow)
FR (1) FR2103178A5 (enrdf_load_stackoverflow)
GB (1) GB1296336A (enrdf_load_stackoverflow)
NL (1) NL7109942A (enrdf_load_stackoverflow)
SE (1) SE379963B (enrdf_load_stackoverflow)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813093A (en) * 1971-02-02 1974-05-28 Rahdener Maschinenfab Kolbus A Device for inserting bookmarks into books
US4395031A (en) * 1981-09-08 1983-07-26 The Webb Company Apparatus for printing books of signatures and method for same
US4416448A (en) * 1980-11-17 1983-11-22 Ferag Ag Method and apparatus for the insertion of at least one insert or supplement into printed products
US4468213A (en) * 1980-12-09 1984-08-28 Colpitt B.V. Method and apparatus for separating from each other two thin, slack sheets of material
EP0118596A1 (en) * 1982-12-17 1984-09-19 Rockwell International Corporation Method and apparatus for opening folded newspapers
US4678174A (en) * 1985-08-29 1987-07-07 Ferag Ag Apparatus for picking-up and further transporting, folded printed products, especially signatures or sheets, from a conveying device
US4750725A (en) * 1985-07-12 1988-06-14 Ferag Ag Printed products having a center fold and containing a product break structure, and method and apparatus for opening such printed products
US5028192A (en) * 1988-07-15 1991-07-02 Foote & Davies, Inc. Binding and collating techniques
US5065994A (en) * 1991-02-13 1991-11-19 Graphic Management Associates, Inc. Non-lap opener
US5443250A (en) * 1992-07-06 1995-08-22 Ferag Ag Method and apparatus for inserting objects into multi-sheet products, particularly printed products
US6017027A (en) * 1996-09-06 2000-01-25 Ferag Ag Method and apparatus for opening flexible, sheet products
US20080048378A1 (en) * 2006-08-18 2008-02-28 Goss International Americas, Inc. Gathering device with book comb
CN102344047A (zh) * 2010-07-30 2012-02-08 米勒·马蒂尼控股公司 用于将至少一个附加物插入到多页印刷品中的方法和装置
US9199427B2 (en) 2013-06-14 2015-12-01 Electronic Imaging Services, Inc. Pad of labels for use on store shelves in a retail environment
US9376286B1 (en) 2014-09-02 2016-06-28 Electronic Imaging Services, Inc. Label stacking machine and method
CN108910596A (zh) * 2018-07-11 2018-11-30 上海咔咻智能科技有限公司 送布机
JP2021147204A (ja) * 2020-03-22 2021-09-27 株式会社リコー シート剥離装置、ラミネート処理装置、画像形成装置、及び、画像形成システム
CN114261142A (zh) * 2021-12-23 2022-04-01 浙江新元创自动化设备股份有限公司 一种用于瓦楞纸箱糊口精度保证的方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH644815A5 (de) * 1980-01-15 1984-08-31 Ferag Ag Verfahren und vorrichtung zum oeffnen von gefalteten, gebundenen oder gehefteten mehrblaettrigen erzeugnissen, insbesondere druckprodukten.
DE3427559C2 (de) * 1984-07-26 1986-08-07 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zur Übernahme und zum Weitertransport von Falzprodukten
DE3428512C2 (de) * 1984-08-02 1986-08-21 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zur Übernahme und zum Weitertransport von Falzprodukten
US5112036A (en) * 1990-08-27 1992-05-12 Graphic Management Associates, Inc. Opener for folder printed products
DE10041572B4 (de) * 1999-09-24 2006-03-16 Heidelberger Druckmaschinen Ag Papierbearbeitungseinrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH358444A (de) * 1958-07-11 1961-11-30 Buchdruckerei Carl Meyer Verfahren zum maschinellen Einlegen von Beilagen in mit einem Mittelfalz verschene bedruckte Hefte und Vorrichtung zur Ausübung des Verfahrens
JPS445689Y1 (enrdf_load_stackoverflow) * 1966-11-10 1969-03-01
CH461547A (de) * 1968-02-02 1968-08-31 Ferag Ag Einrichtung zum Öffnen von mehrblättrigen, gefalteten Druckereierzeugnissen, insbesondere Zeitungen
CH521911A (de) * 1970-01-09 1972-04-30 Fehr & Reist Ag Einrichtung zum Öffnen von gefalteten, gebundenen oder gehefteten, mehrblättrigen Papiererzeugnissen

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3813093A (en) * 1971-02-02 1974-05-28 Rahdener Maschinenfab Kolbus A Device for inserting bookmarks into books
US4416448A (en) * 1980-11-17 1983-11-22 Ferag Ag Method and apparatus for the insertion of at least one insert or supplement into printed products
US4468213A (en) * 1980-12-09 1984-08-28 Colpitt B.V. Method and apparatus for separating from each other two thin, slack sheets of material
US4395031A (en) * 1981-09-08 1983-07-26 The Webb Company Apparatus for printing books of signatures and method for same
EP0118596A1 (en) * 1982-12-17 1984-09-19 Rockwell International Corporation Method and apparatus for opening folded newspapers
US4750725A (en) * 1985-07-12 1988-06-14 Ferag Ag Printed products having a center fold and containing a product break structure, and method and apparatus for opening such printed products
US4678174A (en) * 1985-08-29 1987-07-07 Ferag Ag Apparatus for picking-up and further transporting, folded printed products, especially signatures or sheets, from a conveying device
US5028192A (en) * 1988-07-15 1991-07-02 Foote & Davies, Inc. Binding and collating techniques
US5065994A (en) * 1991-02-13 1991-11-19 Graphic Management Associates, Inc. Non-lap opener
US5443250A (en) * 1992-07-06 1995-08-22 Ferag Ag Method and apparatus for inserting objects into multi-sheet products, particularly printed products
US6017027A (en) * 1996-09-06 2000-01-25 Ferag Ag Method and apparatus for opening flexible, sheet products
US20080048378A1 (en) * 2006-08-18 2008-02-28 Goss International Americas, Inc. Gathering device with book comb
CN102344047A (zh) * 2010-07-30 2012-02-08 米勒·马蒂尼控股公司 用于将至少一个附加物插入到多页印刷品中的方法和装置
US20120068397A1 (en) * 2010-07-30 2012-03-22 Mueller Martini Holding Ag Method and device for inserting supplements into multipage printed products
US8371571B2 (en) * 2010-07-30 2013-02-12 Mueller Martini Holdings Ag Method and device for inserting supplements into multipage printed products
US9259891B2 (en) 2013-06-14 2016-02-16 Electronic Imaging Services, Inc. Pad of labels and labels for use on store shelves in a retail environment
US10600339B2 (en) 2013-06-14 2020-03-24 Electronic Imagine Services, Inc. Method of applying labels on store shelves in a retail environment
US11488498B2 (en) 2013-06-14 2022-11-01 Electronic Imaging Services, Inc. Method of applying labels on store shelves in a retail environment
US9399331B2 (en) 2013-06-14 2016-07-26 Electronic Imaging Services, Inc. Label for use on store shelves in a retail environment
US9434125B2 (en) 2013-06-14 2016-09-06 Electronic Imaging Services, Inc. Method of making a pad of labels and labels for use on store shelves in a retail environment
US9440409B2 (en) 2013-06-14 2016-09-13 Electronic Imaging Services, Inc. Method of making a pad of labels and labels for use on store shelves in a retail environment
US9533464B2 (en) 2013-06-14 2017-01-03 Electronic Imaging Services, Inc. Method of applying labels on store shelves in a retail environment
US9199427B2 (en) 2013-06-14 2015-12-01 Electronic Imaging Services, Inc. Pad of labels for use on store shelves in a retail environment
US11135826B1 (en) 2014-09-02 2021-10-05 Electronic Imaging Services, Inc. Label stacking machine and method
US10059090B1 (en) 2014-09-02 2018-08-28 Electronic Imaging Services, Inc. Label Stacking Machine and Method
US10780687B1 (en) 2014-09-02 2020-09-22 Electronic Imaging Services, Inc. Label stacking machine and method
US9802769B1 (en) 2014-09-02 2017-10-31 Electronic Imaging Services, Inc. Label stacking machine and method
US9376286B1 (en) 2014-09-02 2016-06-28 Electronic Imaging Services, Inc. Label stacking machine and method
CN108910596A (zh) * 2018-07-11 2018-11-30 上海咔咻智能科技有限公司 送布机
JP2021147204A (ja) * 2020-03-22 2021-09-27 株式会社リコー シート剥離装置、ラミネート処理装置、画像形成装置、及び、画像形成システム
CN114261142A (zh) * 2021-12-23 2022-04-01 浙江新元创自动化设备股份有限公司 一种用于瓦楞纸箱糊口精度保证的方法
CN114261142B (zh) * 2021-12-23 2024-04-09 浙江新元创自动化设备股份有限公司 一种用于瓦楞纸箱糊口精度保证的方法

Also Published As

Publication number Publication date
DE2136227B2 (de) 1980-02-14
SE379963B (enrdf_load_stackoverflow) 1975-10-27
GB1296336A (enrdf_load_stackoverflow) 1972-11-15
DE2136227C3 (de) 1980-10-09
JPS5525100B1 (enrdf_load_stackoverflow) 1980-07-03
NL7109942A (enrdf_load_stackoverflow) 1972-01-25
CH526400A (de) 1972-08-15
FR2103178A5 (enrdf_load_stackoverflow) 1972-04-07
DE2136227A1 (de) 1972-01-27

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