EP0274737A2 - Méthode et dispositif pour raccorder les extrémités de deux bandes - Google Patents

Méthode et dispositif pour raccorder les extrémités de deux bandes Download PDF

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Publication number
EP0274737A2
EP0274737A2 EP87119186A EP87119186A EP0274737A2 EP 0274737 A2 EP0274737 A2 EP 0274737A2 EP 87119186 A EP87119186 A EP 87119186A EP 87119186 A EP87119186 A EP 87119186A EP 0274737 A2 EP0274737 A2 EP 0274737A2
Authority
EP
European Patent Office
Prior art keywords
web
adhesive
webs
material web
strip
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.)
Withdrawn
Application number
EP87119186A
Other languages
German (de)
English (en)
Other versions
EP0274737A3 (fr
Inventor
Jakob Gerhard
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.)
JOS HUNKELER AG FABRIK fur GRAPHISCHE MASCHINEN
Original Assignee
JOS HUNKELER AG FABRIK fur GRAPHISCHE MASCHINEN
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JOS HUNKELER AG FABRIK fur GRAPHISCHE MASCHINEN filed Critical JOS HUNKELER AG FABRIK fur GRAPHISCHE MASCHINEN
Publication of EP0274737A2 publication Critical patent/EP0274737A2/fr
Publication of EP0274737A3 publication Critical patent/EP0274737A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H21/00—Apparatus for splicing webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/58—Supply holders for sheets or fan-folded webs, e.g. shelves, tables, scrolls, pile holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/112—Section geometry
    • B65H2701/1123—Folded article or web
    • B65H2701/11231—Fan-folded material or zig-zag or leporello

Definitions

  • the present invention relates to a method and a device for connecting the ends of two material webs according to the preamble of claim 1 and claim 5.
  • the continuous web formed from the interconnected material webs can be folded less well at these glue points than along the transverse perforations of the material webs, which had already been folded in a zigzag fashion before being joined together along these transverse perforations.
  • the material webs have a "folding memory", which facilitates the renewed zigzag folding after the material webs have been joined together.
  • Such a "fold memory” is felt at the connection point because the adhesive tape is not pre-folded.
  • the continuous web formed can also be separated less easily later at the gluing point than along the transverse perforations of the material webs.
  • the adhesive of the adhesive strip becomes thermoplastic as a result of the action of heat, which has the consequence that the connection between the material webs loosens completely or to such an extent that the material webs are no longer held together sufficiently strongly.
  • the present invention is based on the object of providing a method and a device with which the material webs which are provided with weakening lines can be connected to one another in the simplest and safest possible manner without subsequent folding or separating of the formed ones Endless web at the connection points leads to difficulties.
  • material webs are glued to one another by means of an applied adhesive (and not by means of an adhesive strip), it is possible to use a suitable heat-resistant adhesive, the adhesive effect of which is not impaired by the action of heat.
  • Material webs connected to one another in the manner according to the invention can thus also pass through a laser printer without damage, in which the material webs are heated.
  • the method according to the invention and the device according to the invention are particularly suitable for forming an endless web to be fed to a printer, preferably a high-speed printer, from preferably pre-folded material webs of a given length.
  • This device has a frame 1 which has two table tops 2 and 3. These table tops 2, 3 are arranged at a distance from one another, so that a transverse space 4 is formed between these two table tops 2 and 3.
  • the two table tops 2, 3 can be arranged at the same height. But it is in In certain cases, it is advantageous if the table top 2 is somewhat lower than the table top 3.
  • both table tops 2 and 3 are provided with a closed cavity 5 into which a connecting line 6 connected to a compressed air source (not shown) opens.
  • a connecting line 6 connected to a compressed air source (not shown) opens.
  • outlet openings 7 opening into the cavity 5, which are closed by means of balls 8 (FIG. 5). The compressed air supplied to the cavity 5 and ejected from the outlet openings 7 generates an air cushion, the purpose of which will be discussed later.
  • a vertical wall 9 is fastened to the rear end face of the frame 1. At the foot of this wall, an only schematically indicated feed drive 10 of known type is arranged in the frame 1.
  • a collecting container 11 Arranged below the space 4 between the two table tops 2 and 3 is a collecting container 11, the construction of which is best seen in FIG. 1.
  • This collecting container 11 is formed by rods 12 which are connected to one another in pairs in a V-shape. At the bottom, the collecting container 11 is closed off by a floor grid 13, which is formed by individual rods 14 which engage between the pairs of rods 12, as can be seen from FIG. 1.
  • the bars 14 of the floor grate 13 are attached to a common pivot shaft 15. The rods 14 can thus be pivoted together in the direction of arrow A or A ⁇ so that the depth of the collecting container 11 can be adjusted.
  • a support table 16 which is attached to a column 17. The latter is ver back and forth in the direction of arrow B. slidable.
  • a support arm 18 projects from this column 17 and runs parallel to the support table 16.
  • a carriage 19 (Fig. 3) is suspended, which can be moved along the support arm 18 in the direction of arrow C or in the return direction C ⁇ .
  • a separating unit 20 and an adhesive application unit 21 are arranged on this carriage 19.
  • the separation unit 20 is formed by a rotatably mounted knife disc 22.
  • the adhesive application unit 21 has an adhesive container 23 on which it can be moved up and down in the vertical direction, ie in the direction of the arrow D. At the lower end, the adhesive container 23 is provided with an adhesive application tip 23a.
  • a pressing device (not shown in detail) and a detector arrangement (also not shown) for monitoring the application of adhesive can also be arranged on the carriage 19. The purpose of this press assembly and the detector assembly will be explained later.
  • Tips 24 and 25 project upwards from the support table 16 and are arranged in two rows parallel to one another. These rows of tips 24 and 25 extend at right angles to the direction of displacement C, C ⁇ of the carriage 19. The distance between the two rows of tips corresponds to the width of the material web to be processed, while the distance between the tips 24 and 25 within a row to the edge perforations processing material webs corresponds, as will become clear later.
  • a strip 27 with a wedge-shaped cross section is fastened, which edge 27a (FIG. 2) points towards the table top 2.
  • a guide strip 28 is fastened, which is only shown in FIG. 4, but is omitted in the remaining figures for the sake of clarity.
  • This guide bar 28 has a first guide surface 28a which runs parallel to the longitudinal edge of the table surfaces 2 and 3 and which extends from the table top 3 beyond the space 4 to the table top 2.
  • This first guide surface 28a is adjoined by a second guide surface 28b which is angled relative to this and which is arranged entirely in the region of the table top 2, as can be clearly seen from FIG. 4.
  • two paper stacks 29 and 33 are placed on the table top 3 and a paper stack 31 is placed on the table top 2.
  • These paper stacks 29, 30, 31 are each formed by a zigzag folded paper web 32, 33 and 34, respectively.
  • the paper webs 32, 33, 34 are provided with peripheral perforations (transport perforations) 35 and 36 and with transverse perforations 37 which define lines of weakness and which divide the material webs 32, 33, 34 into individual web sections 38.
  • the paper webs 32, 33, 34 are folded along these transverse perforations 37.
  • the three material webs 32, 33, 34 are joined together to form an endless web P, which is pulled off the stack 29 by the feed drive 10 and, in a manner known per se, is not shown
  • Fast printer such as a laser printer
  • Photocells are arranged, which monitor the presence of paper stacks on the table tops 2 and 3 and which are connected to the downstream fast printer for control purposes in order to shut it down if there is no replenishment of paper stacks. It goes without saying that the length of the table tops 2, 3 per se can be chosen to be of any size, which allows the provision of more than two stacks on the table top 3.
  • the paper webs 33 and 34 will now be used to explain how the zigzag folded paper webs are connected to one another. 4 - 9 serve primarily for this purpose.
  • a new stack (in the present case stack 30) is placed on table top 2. This can be done manually or automatically. As already mentioned, this stack 30 is formed by the zigzag folded material web 33. The stack 30 rests on the air cushion formed by the air emerging from the outlet openings 7 and can therefore be easily moved by hand. The stack 30 is now pushed against the other table top 3 with a corner 30c. In order to bring the stack 30 into the correct position, it is brought by hand with its broad side 30b into contact with the guide surface 28b of the guide strip 28 (FIG. 4). The stack, which is now in an inclined position, is designated 30 ⁇ in FIGS. 4 and 5. The stack 30 ⁇ is now advanced along the guide surface 28b, ie in the direction of arrow E.
  • the corner 30c defined by the sides 30b and 30a now reaches the effective area of the separating strip 27, which projects into the intermediate space 4.
  • this separating strip now penetrates between two webs lying one on top of the other cuts 38 and thus separates a lower part 39 (Fig.5) of the stack 30 ⁇ from the rest of the stack.
  • This lower part 39 consists of some zigzag folds.
  • the stack 30 ⁇ is turned back during the further advancement, so that the broad side 30b of the stack 30 comes to rest against the guide surface 28a of the guide bar 28, as can be seen from FIG. 4.
  • the stack 30 is now advanced in the direction of arrow E ⁇ .
  • the separating strip 27 completely shuts off the lower stack part 39 mentioned. Thanks to the wedge-shaped design of this separating strip 27, the lower stack part 39 is peeled off without damaging the paper web 33.
  • the peeled lower stack part 39 now falls down into the collecting container 11, as can be seen in FIG. 6.
  • the base grate 13 was adjusted to the format height by correspondingly pivoting the rods 14, so that the peeled lower stack part 39 only falls into the collecting container 11 to such an extent that it can easily be removed from the collecting container 11 by hand.
  • the depth of the receptacle 11 is adjusted to match the height of the web sections 38, i.e. corresponds to the distance between adjacent transverse perforations 37.
  • the stack part 39 located in the collecting container 11 is now removed by hand and placed next to the rest of the stack 30, which can now be pushed further in the direction of arrow E ⁇ against the wall 9 if this is expedient.
  • the stack part 39 is now on the table top 2 or the table top 3 laid.
  • the last web section 38 ′′′ of the stack part 39 is also the last section of the paper web 33, which now has to be connected to the beginning of the next paper stack 31.
  • This next paper stack 31 is now placed on the table top 2.
  • the column 17 with the support table 16 is advanced into its working position, which is shown in Fig. 1.
  • the two uppermost web sections 38 ⁇ and 38 ⁇ of the paper web 34 forming the stack 31 are now placed on the support table 16 in such a way that the transverse perforation 37 ⁇ separating these two sections 38 ⁇ and 38 ⁇ comes to lie adjacent to the effective plane of the knife disk 22, as shown in FIG 7 can be seen.
  • This effective plane of the knife disc 22 thus runs at a distance from the transverse perforation 37 ⁇ through the foremost path section 38 ⁇ .
  • the two paper web sections 38 ⁇ and 38 ⁇ are positioned by the tips 24 and 25 which engage in the peripheral perforations 35 and 36 (Fig.7).
  • the paper web section 38 ⁇ is held by means of negative pressure on the section 16a of the support table 16.
  • the adhesive container 23 is pressed by hand in the direction of arrow D against the support table 16, so that the adhesive application tip 23a comes to rest on a paper strip 40 adjacent to the transverse perforation 37 ⁇ .
  • the web section 38 ⁇ is now cut off by the knife disk 22 along a dividing line T which runs parallel to and at a distance from the transverse perforation 37 ⁇ .
  • This dividing line T forms together with the transverse perforation 37 ⁇ the mentioned paper strip 40, which forms part of the first web section 38ab mustard.
  • the adhesive 41 accommodated in the adhesive container 23 is applied to the aforementioned paper strip 40.
  • the adhesive 42 is applied to the paper strip 40 before the rest of the first path section 38 ⁇ , as can be seen from FIG. 7 without further notice.
  • the cut away part of the web section 38 ' is removed from the support table 16.
  • a suitable detector arrangement (not shown) can be provided on the carriage 19, which can have, for example, a fluorescent lamp which exposes the adhesive application. Suitable particles are admixed to the adhesive 41, which light up when irradiated by the fluorescent lamp, which enables the applied adhesive to be checked. Depending on the type of particles added to the adhesive 41, a different type of luminaire than a fluorescent lamp is necessary.
  • the detector arrangement can also have another suitable design. This type of monitoring of the adhesive application 42 has the advantage that the adhesive 41 does not have to be colored, since with colored adhesives there is a risk of the paper showing through, which is undesirable.
  • the two paper webs 33 and 34 connected to one another in the manner described are then lifted from the support table 16 by hand or by means of a suitable lifting device (not shown), which is now moved backwards together with the carriage 19 in the direction of arrow B into the rest position.
  • the paper stack 31 resting on the table top 2 is shifted with its corner forward across the space 4 onto the table top 3, whereby, as already mentioned earlier, the bottom part of the stack 31 is peeled off by the separating strip 27, which then goes into the collecting container 11 falls.
  • the end of the paper web 34 is then connected in the manner described to the beginning of the next paper web, which is placed on the table top 2 as a stack.
  • the described process of peeling the bottom zigzag layers off a stack and gluing them to the next paper web is repeated in the manner described.
  • the described device or the described method for joining material webs to form an endless web has various advantages, some of which are already apparent the previous explanations.
  • the bottom part 39 of the stack can be peeled off quickly and without damage to the paper webs.
  • the help of an operator is not required or at most to a very limited extent.
  • the peeled-off part of the stack lies orderly in the receptacle and can be easily grasped and removed from the receptacle with ease.
  • the paper webs to be connected can be glued in a simple and rapid manner. An adhesive tape is not necessary for this. Since the transverse perforations are not covered when the paper webs are joined, it is easily possible to fold or separate the joined paper webs at the connection points. The "folding memory” created by the previous folding of the paper webs into stacks is also retained at the connection points, so that the joined material webs can also be easily folded again at the connection points afterwards. This can easily be seen from FIG. 9, which shows the area of the connection between the paper webs 33 and 34 and from which it emerges that the transverse perforation 37 ⁇ is not covered by the last web section 38′′′ of the paper web 33.
  • FIGS. 10 and 11 A variant of the device according to FIGS. 1-8 is shown in FIGS. 10 and 11 in a representation corresponding to FIGS. 2 and 6.
  • This variant differs from the embodiment according to FIGS. 1-8 in that instead of a stationary separating strip 27 in the space 4 between the two table tops 2 and 3, a rotatably driven separating element 44 is provided, against which the leading corner 30c (FIG. 4 ) the stack pushed from the table top 2 onto the table top 3 running.
  • This separating element 44 has a carrier 45, which is driven in the direction of arrow F and is not shown, on which a separating finger 46 is attached, which protrudes somewhat from the cylindrical carrier 45.
  • this separating finger 46 engages between the zigzag layers of the stack 30 pushed past and peels off the lowermost part 39 of the stack 30, as has already been explained with reference to FIGS. 5 and 6.
  • the embodiment according to FIGS. 1-8 has the advantage over the variant according to FIGS. 10 and 11 that there is no need to drive the separating element.
  • pre-folded paper webs can be glued to one another in the manner described, but also those which are pulled off rolls. It is also possible to provide an adhesive station of the type described instead of in front of the printer itself, as shown, if there is sufficient space there.
  • this material strip 40 with an adhesive application 42 using a so-called transfer adhesive.
  • Suitable transfer adhesives consist of a tape-shaped carrier that is coated on one side with adhesive. This carrier is placed with the adhesive layer facing the material strip 40 on the latter. The carrier is then removed, the adhesive remaining on the material strip 40.
  • the transfer adhesive is preferably pulled off a roll and placed on the material strip 40 in the required length.
  • connection points of the material webs are exposed to heat, e.g. when passing through a laser printer, heat-resistant adhesives are to be used.
  • endless webs which consist of material webs assembled in the manner described, can also be supplied with different processing stations for endless webs instead of printers.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Handling Of Continuous Sheets Of Paper (AREA)
  • Replacement Of Web Rolls (AREA)
EP87119186A 1987-01-08 1987-12-24 Méthode et dispositif pour raccorder les extrémités de deux bandes Withdrawn EP0274737A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873700402 DE3700402C1 (de) 1987-01-08 1987-01-08 Verfahren und Vorrichtung zum Verbinden der Enden zweier Materialbahnen
DE3700402 1987-01-08

Publications (2)

Publication Number Publication Date
EP0274737A2 true EP0274737A2 (fr) 1988-07-20
EP0274737A3 EP0274737A3 (fr) 1989-10-18

Family

ID=6318577

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87119186A Withdrawn EP0274737A3 (fr) 1987-01-08 1987-12-24 Méthode et dispositif pour raccorder les extrémités de deux bandes

Country Status (3)

Country Link
EP (1) EP0274737A3 (fr)
JP (1) JPS63176257A (fr)
DE (1) DE3700402C1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH683422A5 (de) * 1991-02-26 1994-03-15 Hophan Alfons Ag Verfahren und Vorrichtung zum Zusammensetzen von Fell-, Leder- oder Textilstreifen zu einem Band.
GB2279893A (en) * 1993-06-28 1995-01-18 Gd Spa Adhesive application to wrapping material using reciprocable disposable dispenser
WO1999035073A1 (fr) * 1998-01-02 1999-07-15 Walkisoft Finland Oy Procede d'emballage d'une bande continue et emballage ainsi produit
US6176068B1 (en) 1998-04-23 2001-01-23 Bki Holding Corporation Packaging a strip of material in layers with intervening splices
US6263814B1 (en) 1997-07-08 2001-07-24 Bki Holding Corporation Strip of material with splices and products formed therefrom
US6293075B1 (en) 1999-03-08 2001-09-25 Bki Holding Corporation Packaging a strip of material
US6321512B1 (en) 1999-03-08 2001-11-27 Bki Holding Corporation Method of packaging a strip of material
US6321511B1 (en) 1988-05-20 2001-11-27 Bki Holding Corporation Packaging a strip of material with compression to reduce volume
US6336307B1 (en) 1997-10-09 2002-01-08 Eki Holding Corporation Method of packaging a strip of material for use in cutting into sheet elements arranged end to end
US6729471B2 (en) 1997-06-16 2004-05-04 Bki Holding Corporation Packaging a strip of material with compression to reduce volume

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3836974A1 (de) * 1988-10-31 1990-05-03 Peter J Biesinger Verfahren und vorrichtung zum falten und legen von textilbahnen in stapeln

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1129902A (en) * 1965-04-02 1968-10-09 Dickinson John & Co Ltd Improvements in or relating to continuous form stationery
US4289556A (en) * 1979-08-06 1981-09-15 Paper, Inc. Method and apparatus for splicing folded paper
EP0042619A1 (fr) * 1980-06-23 1981-12-30 Industria Grafica Meschi S.r.l. Méthode et dispositif pour rabouter du matériau en bande, particulièrement pour l'alimentation en continu des imprimantes rapides
EP0134533A1 (fr) * 1983-08-04 1985-03-20 Siemens Aktiengesellschaft Dispositif de raccordement de bandes pour imprimantes
EP0170756A1 (fr) * 1984-07-13 1986-02-12 Mauro Lenzi Alimentation de papier en continu pour une imprimante rapide
GB2196940A (en) * 1986-10-18 1988-05-11 Standard Continuous Plc Stationary splicing of paper webs

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1129902A (en) * 1965-04-02 1968-10-09 Dickinson John & Co Ltd Improvements in or relating to continuous form stationery
US4289556A (en) * 1979-08-06 1981-09-15 Paper, Inc. Method and apparatus for splicing folded paper
EP0042619A1 (fr) * 1980-06-23 1981-12-30 Industria Grafica Meschi S.r.l. Méthode et dispositif pour rabouter du matériau en bande, particulièrement pour l'alimentation en continu des imprimantes rapides
EP0134533A1 (fr) * 1983-08-04 1985-03-20 Siemens Aktiengesellschaft Dispositif de raccordement de bandes pour imprimantes
EP0170756A1 (fr) * 1984-07-13 1986-02-12 Mauro Lenzi Alimentation de papier en continu pour une imprimante rapide
GB2196940A (en) * 1986-10-18 1988-05-11 Standard Continuous Plc Stationary splicing of paper webs

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6321511B1 (en) 1988-05-20 2001-11-27 Bki Holding Corporation Packaging a strip of material with compression to reduce volume
CH683422A5 (de) * 1991-02-26 1994-03-15 Hophan Alfons Ag Verfahren und Vorrichtung zum Zusammensetzen von Fell-, Leder- oder Textilstreifen zu einem Band.
GB2279893A (en) * 1993-06-28 1995-01-18 Gd Spa Adhesive application to wrapping material using reciprocable disposable dispenser
US5614059A (en) * 1993-06-28 1997-03-25 G.D S.P.A. Device for supporting dispensers of adhesive material
GB2279893B (en) * 1993-06-28 1997-12-03 Gd Spa A wrapping machine
US6729471B2 (en) 1997-06-16 2004-05-04 Bki Holding Corporation Packaging a strip of material with compression to reduce volume
US6263814B1 (en) 1997-07-08 2001-07-24 Bki Holding Corporation Strip of material with splices and products formed therefrom
US6526899B2 (en) 1997-07-08 2003-03-04 Bki Holding Corp Strip of material with splices and products formed therefrom
US6336307B1 (en) 1997-10-09 2002-01-08 Eki Holding Corporation Method of packaging a strip of material for use in cutting into sheet elements arranged end to end
US6643993B2 (en) 1997-10-09 2003-11-11 Bki Holding Corporation Method of packaging a strip of material for use in cutting into sheet elements arranged end to end
WO1999035073A1 (fr) * 1998-01-02 1999-07-15 Walkisoft Finland Oy Procede d'emballage d'une bande continue et emballage ainsi produit
US6176068B1 (en) 1998-04-23 2001-01-23 Bki Holding Corporation Packaging a strip of material in layers with intervening splices
US6321512B1 (en) 1999-03-08 2001-11-27 Bki Holding Corporation Method of packaging a strip of material
US6293075B1 (en) 1999-03-08 2001-09-25 Bki Holding Corporation Packaging a strip of material
US6679028B2 (en) 1999-03-08 2004-01-20 Bki Holding Corporation Method of packaging a strip of material
US6702118B2 (en) 1999-03-08 2004-03-09 Bki Holding Corporation Packaging a strip of material

Also Published As

Publication number Publication date
EP0274737A3 (fr) 1989-10-18
DE3700402C1 (de) 1988-07-07
JPS63176257A (ja) 1988-07-20

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