EP0666185A1 - Méthode et dispositif pour fabriquer une reliure - Google Patents

Méthode et dispositif pour fabriquer une reliure Download PDF

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Publication number
EP0666185A1
EP0666185A1 EP95100338A EP95100338A EP0666185A1 EP 0666185 A1 EP0666185 A1 EP 0666185A1 EP 95100338 A EP95100338 A EP 95100338A EP 95100338 A EP95100338 A EP 95100338A EP 0666185 A1 EP0666185 A1 EP 0666185A1
Authority
EP
European Patent Office
Prior art keywords
melt adhesive
hot
molding tool
cover
cover sheet
Prior art date
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.)
Granted
Application number
EP95100338A
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German (de)
English (en)
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EP0666185B1 (fr
Inventor
Peter Lázár
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0666185A1 publication Critical patent/EP0666185A1/fr
Application granted granted Critical
Publication of EP0666185B1 publication Critical patent/EP0666185B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C7/00—Manufacturing bookbinding cases or covers of books or loose-leaf binders

Definitions

  • the invention relates to a method for producing a cover from at least one cover sheet with at least one cover adjoining a cover spine, in which a hot-melt adhesive strip is applied to the inside of the cover sheet at the location provided for the cover spine, which strip is heated to an at least plastic one by prior heating Condition has been brought.
  • the invention further relates to an apparatus for performing this method with at least one heating device for liquefying the hot melt adhesive and a feed device for applying the hot melt adhesive to the cover sheet.
  • Binding binders of the above type usually consist of a cover spine and are attached to the front and back cover folds. They are usually made of cardboard, and the cover on the front can also be made of a transparent plastic. Covers of this type are described for example in DE-PS 25 28 225 and DE-OS 22 37 583.
  • a strip of hot melt adhesive is applied to the inside of the back cover.
  • Such hot melt adhesives are solid at room temperature, but - depending on their composition - become plastic at temperatures between 70 ° C and 190 ° C. After subsequent cooling, the hot melt adhesive returns to the solid state, this process being repeatable several times.
  • the paper sheets are inserted with their longitudinal edges into the cover blanket standing upright on their back cover, so that the longitudinal edges rest on the still solid hot melt adhesive.
  • the cover is brought into a binding device, as is known for example from DE-OS 27 43 685.
  • the cover stands with a spine on a heating plate, which heats the hot melt adhesive through the spine of the cover until it is plastified.
  • the paper sheets penetrate into the hot melt adhesive, so that their edges are enclosed by the hot melt adhesive. After cooling, the paper sheets are firmly connected to the back of the cover.
  • DE-OS 29 37 171 discloses a generic method for the production of cover binders, in which the liquefied hot melt adhesive is applied directly from an extruder nozzle to the back cover.
  • the disadvantage here is that, due to the surface tension of the liquid hot melt adhesive, the hot melt adhesive applied always assumes a caterpillar shape regardless of the shape of the extruder nozzle and is therefore thicker towards the center of the hot melt adhesive strip than at its sides.
  • the result of this is that, when later binding, the outer and therefore the most stressed paper sheets are kept in a too thin layer of hot-melt adhesive and are therefore easily detached.
  • the paper sheets can slide outwards before the hot melt adhesive is heated, or at least be unevenly inclined, which is also undesirable.
  • the exact positioning of the hot melt adhesive, which is necessary for perfect integration, cannot be achieved to the desired extent. Finally, the process fails even with very narrow hot melt adhesive application with widths around and under 1 mm.
  • the hot-melt adhesive is still placed in the form of a solid strip on the back of the cover and glued to it under the action of pressure and heat or using an additional adhesive.
  • This can be done by hand or by a method as described in DE-OS 30 10 642.
  • the disadvantage here is that this process is purchased with a considerable manufacturing effort. This is due, on the one hand, to the fact that the raw material in the form of rolls or sheets is more expensive for the hot-melt adhesive than the raw material for the liquid application. On the other hand, additional effort arises from the previous shaping of the hot melt adhesive into the desired strip shape.
  • the invention has for its object to provide a method for producing a cover folder with which a hot-melt adhesive strip of the desired shape can be applied at low cost and in a fail-safe manner. Another object is to find a device suitable for carrying out this method.
  • the first object is achieved according to the invention in that the hot-melt adhesive strip is preferably formed with the aid of a molding tool after it has been at least partially applied to the cover sheet.
  • the method according to the invention is based on the consideration that the liquid or plastic hot melt adhesive immediately forms an intimate connection with the cover sheet after it has been applied, before it begins to cool and solidify. This ensures a firm connection between the hot-melt adhesive strips and the spine of the cover.
  • the free surface of the hot-melt adhesive strip cools to form a thin skin, the adhesiveness of the hot-melt adhesive decreasing with cooling.
  • the hot-melt adhesive strip is subsequently reshaped with a molding tool that engages the free surface, the hot-melt adhesive will therefore not adhere to the molding tool.
  • This method allows the hot-melt adhesive strip to give practically any desired cross section by appropriately designing the molding tool.
  • the shaping of the hot-melt adhesive applied to the cover sheet can be carried out according to the invention both after the hot-melt adhesive strip has been completely applied or already directly with the application of part of the hot-melt adhesive. It is crucial in the shaping of the hot-melt adhesive strip that the plastic hot-melt adhesive has been applied to the cover sheet before the shaping process.
  • the molding tool is moved in the longitudinal and / or transverse direction of the hot-melt adhesive strip during or after the shaping. This is particularly advantageous if the applied hot-melt adhesive strip has been applied unevenly in its longitudinal direction.
  • the longitudinal movement of the molding tool namely transports hot melt adhesive from places with excess glue to places with too little hot melt adhesive, so that the result is a uniform hot melt adhesive application.
  • the Hot melt adhesive is heated to a temperature above its solidification temperature and below the temperature of its complete liquefaction before application to the cover sheet. This is based on the knowledge belonging to the invention that it is not necessary to apply the hot-melt adhesive so fluidly that it distributes itself on the cover sheet. Forming the hot-melt adhesive strip with a molding tool produces an even distribution.
  • the invention further provides that the hot-melt adhesive strip applied to the cover sheet is cooled on its free surface before forming until a thin layer of solidified hot-melt adhesive is formed there. This ensures that the hot melt adhesive has lost its adhesive properties on the surface coming into contact with the molding tool to such an extent that the subsequent shaping can be carried out without undesired adhesion of the hot melt adhesive to the molding tool. It also ensures that the reshaped hot-melt adhesive strip does not automatically assume the shape of a caterpillar again due to the surface tension of the free surface.
  • a device for carrying out the above-described method is provided by a shaping device for shaping the hot-melt adhesive strip applied to the cover sheet, the shaping device having a shaping tool and a pressing device for pressing the shaping tool.
  • the molding tool is delimited by a stamp cover and at least two side walls and is open on a lower longitudinal side and on two end faces. It is particularly advantageous if the molding tool has end walls on the end face. In this way, a closed shape is achieved after pressing the mold, the one causes particularly precise positioning and shaping of the hot-melt adhesive strip.
  • the side walls of the molding tool are expediently designed as bending edges for embossing folds into the cover sheet when the hot-melt adhesive strip is formed. This enables the hot-melt adhesive strip to be formed and the folds of the cover folder to be applied in one operation.
  • the pressing device has a support surface with respect to the lower edges of the side walls of the molding tool opposite the open longitudinal side of the molding tool. This improves the seal between the mold and the work surface.
  • An elastic design of the support surface serves the same purpose.
  • the hot melt adhesive can be given any desired cross section by appropriate design of the mold. It is particularly advantageous to give the molding tool a lower height on its central longitudinal axis than on the edges. It is particularly advantageous if its stamp cover is arched downward in the shape of an arc towards the central longitudinal axis, because in this way the cross section of the hot-melt adhesive strip on the side on which the paper sheet edges come to be during binding has a trough-shaped depression. As a result, the paper sheets are brought together towards the center before the hot-melt adhesive strip is plasticized. In addition, the hot-melt adhesive strip is thickest at the long side edges, where the paper sheets are exposed to particularly high loads, which improves the hold of the paper sheets. Ultimately, this opens up the possibility of working with small hot melt adhesive thicknesses, i.e. saving hot melt adhesive.
  • a method for producing a cover folder is characterized by a molding tool provided with at least one rotatably mounted roller and a feed device for the molding tool.
  • the molding tool has a roller with, in particular, a circumferential groove for shaping the hot-melt adhesive strip.
  • a roller with, in particular, a circumferential groove for shaping the hot-melt adhesive strip.
  • the groove has a larger diameter in the region of its center line than at its edges, it is ensured that the hot-melt adhesive strip has a trough-shaped cross section on the side on which the paper sheet edges come to be bound Has deepening. This will the sheets of paper brought together towards the center and also held together.
  • the hot melt adhesive is thickest at the long edges, where the paper sheets are exposed to particularly high loads, which improves the hold of the paper sheets. Ultimately, this opens up the possibility of working with thin hotmelt adhesives, i.e. saving hotmelt adhesives.
  • the roller has a circumferential embossing ring on both sides of the groove for embossing folds in the cover folder.
  • the molding tool has two rollers which are also mounted on axles which essentially coincide on extensions. With such rollers, the molding tool is guided particularly precisely with respect to a support surface of the molding tool, which results in a desired shape of the hot-melt adhesive strip.
  • rollers each have a circumferential embossing ring on their circumference for embossing one fold each into the cover sheet, this results in a particularly good fold of the cover.
  • At least one cut-out which is open at the bottom and on two end faces, is provided in the mold between the rollers for reshaping the hot-melt adhesive strip.
  • the hot-melt adhesive strip is formed with a fixed mold part.
  • this is advantageous because it is movable Mold parts can be soiled by intensive contact with the hot melt adhesive that their mobility is restricted. This cannot occur when the molding tool is designed without movable components, which increases the reliability of the device according to the invention.
  • the mold and the feed device are arranged along the conveyor path of a conveyor belt.
  • the production of the cover folders can take place fully automatically and at a very high speed. This is particularly the case when the binder binders that are to be provided with a hot-melt adhesive strip are automatically placed on this conveyor belt. This increases the throughput of the devices according to the invention.
  • the device (1) shown in perspective in FIG. (1) has a conveyor belt (2) with two conveyor belts (3) which are placed over a drive roller (4) and a deflection roller (5).
  • the drive roller (4), which is driven by an electric motor (6), and the deflection roller (5) are arranged so that the straight sections of the conveyor belts (3) extending between them run horizontally.
  • the straight sections of the conveyor belts (3) lying at the top are supported by a flat support plate (7).
  • the electric motor (6) is switched on, the drive roller (4) rotates clockwise in the view shown, which is illustrated by the direction arrow (8) drawn in.
  • a feed device (9) for applying a hot melt adhesive strip (10) to a cover sheet (11) and a shaping device (12) for reshaping the applied hot melt adhesive strip (10) and for Folding is provided on the cover sheet (11).
  • a finished cover folder (13) which has a hot-melt adhesive strip (14) in the desired shape and further folds (15), which separate the two cover covers (16) from the cover spine (17), from the conveyor belt (2) be removed.
  • the feed device (9) with which the hot-melt adhesive strip (10) is applied to the cover sheet (11) has a thermostatically controlled heating container (18) which contains liquefied hot-melt adhesive.
  • the liquefied hot melt adhesive is fed from a pump (19) via a line (20) to a piston metering device (21), which is kept at a temperature high enough by a heating device (22) that the thermoplastic hot melt adhesive in the plastic state through a hot melt adhesive nozzle (23 ) emerges as a caterpillar-shaped hot-melt adhesive strip (10).
  • the piston metering device (21) and the electric motor (6) are connected to one another in such a way that at the beginning of the conveying process of the piston metering device (21) the conveyor belt (2) starts up and the cover sheet (11) is conveyed under the hot melt adhesive nozzle (23) at a constant speed, so that the hot melt adhesive strip (10) has a uniform cross section.
  • the hot-melt adhesive strip (10) begins at one side edge of the cover sheet (11) and ends at the opposite edge.
  • the cover sheet (11) is transported by the conveyor belt (2) under the forming device (12).
  • the shaping device (12) has a press carrier (24) which extends transversely to the conveyor belt (2).
  • a hydraulic piston press (25) is arranged on the underside of a cantilever leg of the press carrier (24), on the piston (26) of which a shaping tool (27) is attached, the length of which is equal to the width of the cover sheet (11).
  • the molding tool (27) is pressed onto the cover sheet (11) by the piston press (25) and forms the cover sheet (11) with the hot-melt adhesive strip (10) applied to it into the cover folder (13). This is further conveyed by lifting the conveyor belt (2) after lifting the mold (27) and can then be removed from the conveyor belt (2).
  • Figure (2) shows a cross section through the cover sheet (11) standing on the feed device (9) and through the support plate (7) with a view of the feed device (9), of which only the hot melt adhesive nozzle (23) can be seen in the figure shown is.
  • the conveyor belts (3) on which the cover sheet (11) is conveyed are omitted in this view.
  • the caterpillar-shaped hot-melt adhesive strip (10) is applied to the cover sheet (11).
  • FIG (3) the cover sheet (11) with the applied hot-melt adhesive strip (10) is shown under the forming device (12), of which only the molding tool (27) is shown.
  • the molding tool (27) is delimited by a stamp cover (28) and two side walls (29), on the lower edge of which two bending edges (30) are formed.
  • the cover sheet (11) is positioned under the molding tool (27).
  • the hot-melt adhesive strip (10) lies centrally between the side walls (29) and between the grooves (31), which are embedded in the support plate (7) and face the bending edges (30).
  • FIG. (4) shows the cover folder (13) with the hot-melt adhesive strip (14) having a trapezoidal cross-section, formed by reshaping the cover sheet (11) and the hot-melt adhesive strip (10).
  • the molding tool (27) still rests on the hot-melt adhesive strip (14).
  • the hot-melt adhesive strip fills the entire cavity formed by the stamp cover (28), the side walls (29) and the cavity formed by the spine (17).
  • the bending edges (30) press the cover sheet (11) into the grooves (31) and thereby form the folds (15).
  • Figure (5) finally shows the finished cover folder (13), which essentially consists of the hot-melt adhesive strips (14) with a trapezoidal cross-section on the cover spine (17) and the two cover covers (16), which are folded (15) from the cover spine (17 ) are separated.
  • Figure (6) shows a further device (32) for producing a cover folder according to the inventive method.
  • the device (32) has a conveyor belt (33) with conveyor belts (34) which are driven by a drive roller (35) and are guided by a deflection roller (36).
  • the drive roller (35) is flanged to an electric motor (37).
  • the conveyor belt (33) has a support plate (38) which supports the upper sections of the conveyor belts (34) running between the drive roller (35) and the deflection roller (36).
  • a feed device (39) In which a cover sheet (40) is provided with a caterpillar-shaped hot-melt adhesive strip (41), and a forming device (42), which folds (43) on the cover sheet (40) ) attaches and the hot melt adhesive strip (41) into a hot melt adhesive strip (44) with a trapezoidal cross-section.
  • the feed device (39) has a heating container (45) which contains liquid thermoplastic hot melt adhesive and a pump (46) which feeds the liquid hot melt adhesive via a line (47) to a metering device (48).
  • a hot melt adhesive nozzle (49) connects directly to the metering device (48) and is held at such a high temperature by an electric heating element (50) that the hot melt adhesive emerging through the hot melt adhesive nozzle (49) is at least plastically deformable.
  • the feed device (39) is integrated in a feed device (51), which essentially consists of a hydraulic piston drive (52) and a bracket (54) mounted on two linear guides (53).
  • the holder (54) is connected to a piston (55) of the piston drive (52).
  • the piston drive (52) is connected to the feed device (39) in such a way that hot melt adhesive emerges from the hot melt adhesive nozzle (49) precisely when the feed device (51) starts the feed of the holder (54).
  • the forming device (52) is also integrated in the feed device (51).
  • the shaping device (52) seen in the longitudinal direction of the conveyor belt (33), is just so far from the feed device (39) that its distance corresponds to the distance between two hot-melt adhesive strips (41) on adjacent cover folder sheets (40). This ensures that when the feed device (51) moves forward, the hot-melt adhesive strip (41) is applied to a cover sheet (40), while at the same time the cover sheet (44) and the folds are closest to the cover sheet closest to the conveying direction of the conveyor belt (33) (43) are formed.
  • FIG (7) shows a molding tool (56) as a detail of the forming device (42).
  • the mold (56) has a rotatably mounted roller (57) on its underside.
  • the roller (57) is provided with a circumferential groove (58) in the middle, while circumferential embossing rings (59) are attached to the roller on both sides of the groove.
  • Two grooves (60) are provided in the support plate (38) so that the embossing rings (59) run in these grooves (60) when the feed device (51) moves.
  • the cover sheet (40) inserted between the molding tool (56) and the support plate (38) is thus provided with two folds (43).
  • the hot-melt adhesive strip (41) is formed into a hot-melt adhesive strip (44) with a trapezoidal cross-section by the groove (58) when the roller (57) is rotated.
  • Figure (8) shows a further mold (61) which has two rotatably mounted rollers (62) on its underside.
  • the rollers (62) are each provided with an embossing ring (63) on their circumference.
  • the embossing rings (63) roll when the mold (61) is fed through the feed device (51) in the grooves (60) of the support plate (38). In this way, folds (43) are embossed on a cover sheet (40) inserted between the molding tool (61) and the support plate (38).
  • a trapezoidal recess (64) is provided in the molding tool (61) for shaping the hot-melt adhesive strip (41).

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Coating Apparatus (AREA)
EP95100338A 1994-02-08 1995-01-12 Méthode et dispositif pour fabriquer une reliure Expired - Lifetime EP0666185B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4403887 1994-02-08
DE4403887A DE4403887C2 (de) 1994-02-08 1994-02-08 Verfahren und Vorrichtung zum Aufbringen von Schmelzkleber auf einen Einbandbogen

Publications (2)

Publication Number Publication Date
EP0666185A1 true EP0666185A1 (fr) 1995-08-09
EP0666185B1 EP0666185B1 (fr) 1998-04-08

Family

ID=6509753

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95100338A Expired - Lifetime EP0666185B1 (fr) 1994-02-08 1995-01-12 Méthode et dispositif pour fabriquer une reliure

Country Status (4)

Country Link
US (1) US5788436A (fr)
EP (1) EP0666185B1 (fr)
CA (1) CA2141996A1 (fr)
DE (2) DE4403887C2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004065133A2 (fr) * 2003-01-22 2004-08-05 Swedex Gmbh & Co. Kg Reliure permettant de lier une pile de feuille
BE1017215A3 (nl) * 2006-07-11 2008-05-06 Unibind Ltd Werkwijze voor het vervaardigen van een thermisch inbindelement.
CN103448405A (zh) * 2013-08-29 2013-12-18 温州科强机械有限公司 一种全自动封面生产线
CN110666036A (zh) * 2019-09-30 2020-01-10 汕头市英联金属科技有限公司 一种全自动易开盖冲压卷边注胶生产线

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4403887C2 (de) * 1994-02-08 1996-10-02 Peter Lazar Verfahren und Vorrichtung zum Aufbringen von Schmelzkleber auf einen Einbandbogen
CN103213419B (zh) * 2013-04-17 2014-09-10 浙江欣炜机械有限公司 封面机的水平转位装置
CN103818145A (zh) * 2013-12-13 2014-05-28 广东易美图影像科技股份有限公司 一种封皮相册的制作方法
CN103753998B (zh) * 2013-12-21 2016-06-08 广州向盟机械有限公司 一种胶装机
CN205628466U (zh) * 2016-03-15 2016-10-12 广州市永合祥自动化设备科技有限公司 一种双流向中盖点胶机构

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE3047230A1 (de) * 1980-12-16 1982-07-01 Axel Dr. Dipl.-Kfm. 6072 Dreieich Brinkmann to Broxten Verfahren zum verstaerken des mit dem hinterdeckel und dem vorderdeckel ueber falzgelenke verbundenen rueckens eines schriftgutbehaelters
EP0176844A2 (fr) * 1984-09-28 1986-04-09 Peter Lázár Procédé et dispositif de fabrication d'une reliaire ou similare et reliure
WO1987002624A1 (fr) * 1985-11-02 1987-05-07 Henkel Kommanditgesellschaft Auf Aktien Procede d'application d'adhesifs

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US3707418A (en) * 1970-10-16 1972-12-26 Xerox Corp Method of binding
BE790283A (fr) * 1971-11-01 1973-04-19 Xerox Corp Dispositifs relieurs adhesifs
CA1046551A (fr) * 1974-07-01 1979-01-16 General Binding Corporation Couverture de reliure enduite de colle tenant a la pression et sensible a la chaleur
CA1069775A (fr) * 1975-03-17 1980-01-15 Henry N. Staats Dispositifs et methode de fabrication de couvercles adhesifs
US4141100A (en) * 1976-09-27 1979-02-27 Domroe William E Binding machine and cover for use therewith
SE413647B (sv) * 1979-03-30 1980-06-16 Semotex Ab Forfarande och anordning for framstellning av en perm, ett hefte eller liknande
DE3010642C3 (de) * 1979-03-30 1995-11-09 Bind O Matic Ab Verfahren zur Herstellung eines Einbandes, Heftes od.dgl., sowie Verwendung einer Vorrichtung hierzu
DE2937171A1 (de) * 1979-09-14 1981-04-02 Finn Business Machines Inc. Konttorikoneteollisuus Oy, Helsinki Verfahren fuer die herstellung von aktendeckeln zum einbinden von blaettern
US4606689A (en) * 1985-07-05 1986-08-19 Bind-O-Matic Ab Method and apparatus for producing book covers, folders, booklets and the like
DE3829977A1 (de) * 1988-09-03 1990-03-15 Peter Lazar Verfahren und vorrichtung zur herstellung von einbaenden oder dergleichen
US5028193A (en) * 1989-04-26 1991-07-02 Misicka James A Saddle-bound books, magazines and the like and process for manufacture same
DE4403887C2 (de) * 1994-02-08 1996-10-02 Peter Lazar Verfahren und Vorrichtung zum Aufbringen von Schmelzkleber auf einen Einbandbogen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3047230A1 (de) * 1980-12-16 1982-07-01 Axel Dr. Dipl.-Kfm. 6072 Dreieich Brinkmann to Broxten Verfahren zum verstaerken des mit dem hinterdeckel und dem vorderdeckel ueber falzgelenke verbundenen rueckens eines schriftgutbehaelters
EP0176844A2 (fr) * 1984-09-28 1986-04-09 Peter Lázár Procédé et dispositif de fabrication d'une reliaire ou similare et reliure
WO1987002624A1 (fr) * 1985-11-02 1987-05-07 Henkel Kommanditgesellschaft Auf Aktien Procede d'application d'adhesifs

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004065133A2 (fr) * 2003-01-22 2004-08-05 Swedex Gmbh & Co. Kg Reliure permettant de lier une pile de feuille
WO2004065133A3 (fr) * 2003-01-22 2004-11-11 Swedex Gmbh & Co Kg Reliure permettant de lier une pile de feuille
BE1017215A3 (nl) * 2006-07-11 2008-05-06 Unibind Ltd Werkwijze voor het vervaardigen van een thermisch inbindelement.
CN103448405A (zh) * 2013-08-29 2013-12-18 温州科强机械有限公司 一种全自动封面生产线
CN103448405B (zh) * 2013-08-29 2016-03-30 温州科强机械有限公司 一种全自动封面生产线
CN110666036A (zh) * 2019-09-30 2020-01-10 汕头市英联金属科技有限公司 一种全自动易开盖冲压卷边注胶生产线

Also Published As

Publication number Publication date
US5788436A (en) 1998-08-04
CA2141996A1 (fr) 1995-08-09
DE4403887C2 (de) 1996-10-02
EP0666185B1 (fr) 1998-04-08
DE4403887A1 (de) 1995-08-10
DE59501797D1 (de) 1998-05-14

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