EP1872962B1 - Dispositif d'agrafage de produits imprimés comprenant un composant céramique - Google Patents

Dispositif d'agrafage de produits imprimés comprenant un composant céramique Download PDF

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Publication number
EP1872962B1
EP1872962B1 EP06405269A EP06405269A EP1872962B1 EP 1872962 B1 EP1872962 B1 EP 1872962B1 EP 06405269 A EP06405269 A EP 06405269A EP 06405269 A EP06405269 A EP 06405269A EP 1872962 B1 EP1872962 B1 EP 1872962B1
Authority
EP
European Patent Office
Prior art keywords
stapling device
ceramic
wire
stapling
parts
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.)
Active
Application number
EP06405269A
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German (de)
English (en)
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EP1872962A1 (fr
Inventor
Josef Keist
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.)
Mueller Martini Holding AG
Original Assignee
Mueller Martini Holding AG
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 Mueller Martini Holding AG filed Critical Mueller Martini Holding AG
Priority to EP06405269A priority Critical patent/EP1872962B1/fr
Priority to US11/820,869 priority patent/US20080000943A1/en
Priority to JP2007165702A priority patent/JP2008000891A/ja
Priority to CNA2007101095687A priority patent/CN101092090A/zh
Publication of EP1872962A1 publication Critical patent/EP1872962A1/fr
Application granted granted Critical
Publication of EP1872962B1 publication Critical patent/EP1872962B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
    • B42B4/00—Permanently attaching together sheets, quires or signatures by discontinuous stitching with filamentary material, e.g. wire

Definitions

  • the invention relates to a stapling device for stapling printed products, comprising a stapling head having a driver and bender which preform and drive a wire staple through a product backing, and a bender having bendering wings which bend over the open ends of the staple.
  • Such stapling devices are used, for example, in saddle stitchers for stapling folded sheets.
  • the folded sheets are conveyed in such a saddle stitcher, for example, on a collecting chain on which they rest saddle-shaped.
  • the stapling head is here above the collecting chain and the Umbieger under this.
  • a wire section at the free ends is bent over with the benders and the two ends are driven with the driver through the product back.
  • the free ends of the bender are bent by 90 °, so that they finally run parallel to the product back and the clip is closed with it.
  • a stapling device of this kind is for example from the CH-A-549 443 known. With this device folded sheets can be stapled by ⁇ senheftklammern.
  • Other stapling devices are in the CH-A-662 987 and the EP-A-0 958 942 disclosed.
  • Stapling devices of the type mentioned are heavily loaded, especially with regard to the moving and highly accelerated parts. Such parts must therefore be replaced after a certain time.
  • the use of high-quality steel and carbide parts has long been an attempt to reduce wear and thus maintenance and costs.
  • the parts should also have a high dimensional accuracy, in particular with regard to functional reliability. To achieve this, such parts have hitherto been made of tool steel or carbide. Hard metal would be particularly suitable in itself, since the parts made from it last very long. Carbide, however, is brittle and can be destroyed during installation or transport. In addition, these parts are relatively expensive.
  • a wire feeder upstream of a stapling device is known in which the deflection region and / or the wire inlet funnel are made of ceramic.
  • the invention is based on the object to provide a stapling device of the type mentioned, which avoid the disadvantages mentioned.
  • a generic stapling device characterized in that at least a part of stapling device is at least partially made of ceramic.
  • the service life can be significantly extended. This especially when highly stressed parts, such as in particular the driver, the bender and the Umbieger or parts of the bender are made of ceramic.
  • Experiments are surprising have shown that such parts have substantially no damage even after 8 million stitches.
  • Another advantage is that due to the higher constant material quality reduced test costs incurred. Since such ceramic parts are not shock sensitive, they can hardly be damaged as compared with a hard metal. If these parts are exposed to a high acceleration, due to the low density compared to steel correspondingly lower forces are exerted.
  • the part made of ceramic is a sintered molded part. This allows a particularly high dimensional accuracy and thus in particular reliability can be achieved. Parts to be replaced are thus perfectly compatible with the old parts.
  • the part is made of an oxide ceramic.
  • a ceramic part of oxide ceramic With a ceramic part of oxide ceramic, a particularly high resistance can be achieved. This also applies if the part is made according to an embodiment of the invention from a mixed oxide ceramic.
  • a mixed oxide ceramic is, for example, aluminum titanate.
  • the part of at least two firmly interconnected parts is made, wherein the one part is made of ceramic and the other part made of a different material and in particular steel or hard metal.
  • the ceramic is intended in particular for the areas that are heavily loaded and prone to wear.
  • the ceramic part is in particular a driver, a folding wing, a bender, a centering foot, a push rod, a wire nozzle, a wire knife or a DrahtabJrhebel.
  • These parts are usually heavily loaded and subjected to high abrasion. They are also accelerated comparatively high with each stapling operation. Already the production of such a ceramic part can increase the service life and simplify the maintenance.
  • the part made of ceramic is a ceramic injection molding.
  • Such parts can be produced comparatively inexpensively and with high dimensional accuracy even in high serial numbers.
  • the stapling device 1 has a housing 4, on which at least one stapling head 2 is mounted. This stapling head 2 is located, for example, in a saddle stitcher over a gathering chain, not shown here. Below this gathering chain is a bender 3. Between the stapling head 2 and the bender 3 are not shown here to be stapled printed products, such as signatures promoted.
  • the staples are preformed by a wire 5.
  • the wire 5 is withdrawn from a roll, not shown here and supplied with a bent tube 11 of a wire nozzle 12.
  • two feed rollers 6 and 7 are mounted on the frame 4, which are rotatably driven about a shaft 9 and 10 respectively. With a lever 8, the feed roller 6 can also be rotated by hand.
  • a wire knife 13 is arranged on a Abwovenrhebel 14.
  • the Umbiegeeriel 20 each have a V-shaped groove 26, which in the position according to FIG. 4 run parallel to the transport direction of the printed products. These grooves 26 serve in a known manner for guiding the free ends of the preformed wire clip to be bent over.
  • these Umbiegeeriel 20 each have an opening 24.
  • the printed product to be stapled with a vertically movable holder 27 can be stabilized become.
  • the driver 16 is in accordance with FIG. 6 plate-shaped and has for its attachment to the driver plunger 15 has two openings 28 and 29. To guide the vertical movement of the driver 16 has two laterally projecting guide members 30. At the bottom there is an edge 31 against which the preformed staple to be driven is loaded.
  • the Umbiegeeriel 20 and the driver 16 are highly stressed parts, which must also be accelerated during the stapling process. Also heavily stressed and sometimes accelerated are the bender 17, the push rod 19, the wire nozzle 12, the wire knife 13 and the DrahtabMrhebel 14. At least one of these parts is at least partially made of engineering ceramics.
  • the ceramic is preferably an oxide ceramic, in particular a mixed oxide ceramic.
  • Oxide ceramics are usually more than 90% of single-phase and one-component metal oxides.
  • the metal oxides are, for example, alumina, magnesia or zirconia.
  • An example of a suitable mixed oxide ceramic is aluminum titanate.
  • other oxide ceramics or mixed oxide ceramics are also known.
  • the production of the ceramic part is preferably carried out by ceramic injection molding, also called ceramic injection molding (CIM).
  • CIM ceramic injection molding
  • a very fine ceramic powder is mixed with a thermoplastic binder, which can be injected similar to plastic.
  • the intermediate product is pyrolyzed and sintered.
  • Sintering is a manufacturing process that usually takes place in three stages. Possible is a finishing for example by polishing with diamond tools.
  • a significant advantage of such a part is the high and longer dimensional stability with respect to a part made of tool steel and the constant material quality. Compared to tungsten carbide is the significant advantage that the part is much less brittle and thus can hardly be destroyed during installation. Unlike carbide, the surface can not break. Further advantages are compared with steel lower density, for example 5 kg / dm 3 , the good emergency running properties and the high and constant surface quality. Also advantageous are the temperature resistance and the small thermal expansion.
  • parts of said ceramic are generally such highly stressed parts in other non-inventive devices and machines for postpress. These include, in particular, sheet feeders, merchandise stickers, supplements.
  • the parts here are, for example, grippers, clamping devices, gripper pads, nozzles, creasing wheels and perforating wheels as well as pawls, detents and parts in suction cups.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Wire Processing (AREA)

Claims (8)

  1. Dispositif d'agrafage (1) conçu pour agrafer des produits d'impression, comprenant une tête d'agrafage (2) munie d'un poussoir (16) et d'un plieur (17) qui préforment une agrafe en fil métallique, puis l'enfoncent à travers le dos d'un produit ; et un cintreur (3) pourvu d'ailes de cintrage (20) qui rabattent les extrémités ouvertes de ladite agrafe en fil métallique, caractérisé par le fait qu'au moins une partie dudit dispositif d'agrafage (1) est fabriquée au moins partiellement en céramique.
  2. Dispositif d'agrafage selon la revendication 1, caractérisé par le fait que le poussoir (16), le plieur (17) et le cintreur (3), ou des parties dudit cintreur (3), sont fabriqué(e)s au moins partiellement en céramique.
  3. Dispositif d'agrafage selon la revendication 1 ou 2, caractérisé par le fait que la partie est une pièce moulée frittée.
  4. Dispositif d'agrafage selon l'une des revendications 1 à 3, caractérisé par le fait que la partie est fabriquée en une céramique oxydée.
  5. Dispositif d'agrafage selon l'une des revendications 1 à 4, caractérisé par le fait que la partie est fabriquée en une céramique à oxyde mixte.
  6. Dispositif d'agrafage selon l'une des revendications 1 à 5, caractérisé par le fait que la partie est produite en au moins deux pièces reliées l'une à l'autre de façon rigide, l'une desdites pièces étant fabriquée en céramique et l'autre pièce étant fabriquée en un matériau autre et, notamment, en acier ou en métal dur.
  7. Dispositif d'agrafage selon la revendication 6, caractérisé par le fait que la partie est une pièce d'usure, en particulier un poussoir (16), une aile de cintrage (20), un plieur (17), une embase de centrage, une tige de poussée (19), un pourvoyeur de fil (12), un guide-fil (11), un sectionneur de fil (13), un levier tendeur de fil (14) ou une roue dentée.
  8. Dispositif d'agrafage selon l'une des revendications 1, 2, ainsi que 4 à 7, caractérisé par le fait que la partie est une pièce venue de coulée par injection.
EP06405269A 2006-06-23 2006-06-23 Dispositif d'agrafage de produits imprimés comprenant un composant céramique Active EP1872962B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP06405269A EP1872962B1 (fr) 2006-06-23 2006-06-23 Dispositif d'agrafage de produits imprimés comprenant un composant céramique
US11/820,869 US20080000943A1 (en) 2006-06-23 2007-06-21 Stitching device for stitching printed products
JP2007165702A JP2008000891A (ja) 2006-06-23 2007-06-23 印刷物を綴付けるための綴じ装置
CNA2007101095687A CN101092090A (zh) 2006-06-23 2007-06-25 用于装订印刷品的装订装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06405269A EP1872962B1 (fr) 2006-06-23 2006-06-23 Dispositif d'agrafage de produits imprimés comprenant un composant céramique

Publications (2)

Publication Number Publication Date
EP1872962A1 EP1872962A1 (fr) 2008-01-02
EP1872962B1 true EP1872962B1 (fr) 2011-09-28

Family

ID=37459531

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06405269A Active EP1872962B1 (fr) 2006-06-23 2006-06-23 Dispositif d'agrafage de produits imprimés comprenant un composant céramique

Country Status (4)

Country Link
US (1) US20080000943A1 (fr)
EP (1) EP1872962B1 (fr)
JP (1) JP2008000891A (fr)
CN (1) CN101092090A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005042517A1 (de) * 2005-09-07 2007-03-08 Heidelberger Druckmaschinen Ag Heftvorrichtung
DE102008034838A1 (de) * 2008-07-24 2010-01-28 Heidelberger Druckmaschinen Ag Heftvorrichtung mit einem Heftkopf für die Verarbeitung von Ringösenheftklammern
JP5463605B2 (ja) * 2008-11-12 2014-04-09 コクヨ株式会社 綴じ機
DE102010012103A1 (de) 2010-03-19 2011-09-22 Heidelberger Druckmaschinen Ag Heftkopf

Family Cites Families (25)

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Publication number Priority date Publication date Assignee Title
US3975023A (en) * 1971-12-13 1976-08-17 Kyoto Ceramic Co., Ltd. Golf club head with ceramic face plate
CH549443A (de) * 1973-03-26 1974-05-31 Grapha Holding Ag Verfahren und heftapparat zur herstellung von oesenheftklammern im heftapparat einer drahtheftmaschine und zum heften von falzbogen mittels den oesenheftklammern.
US3862712A (en) * 1973-08-27 1975-01-28 Parker Mfg Co Stapler
US4051991A (en) * 1976-11-19 1977-10-04 Parker Manufacturing Company Stapler attachment
IN147545B (fr) * 1977-03-02 1980-03-29 Marzoli & C Spa
DE3012497A1 (de) * 1980-03-31 1981-10-08 Hilti AG, 9494 Schaan Verfahren zum herstellen einer zuendelektrode
US4523646A (en) * 1980-06-02 1985-06-18 Duo-Fast Corporation Fastener driving tool
US4415113A (en) * 1981-01-07 1983-11-15 International Business Machines Corporation Impact pinner apparatus
DE3315401A1 (de) * 1983-04-28 1984-10-31 Feldmühle AG, 4000 Düsseldorf Kniegelenkendoprothese
CH662987A5 (de) * 1984-01-26 1987-11-13 Grapha Holding Ag Sattelheftmaschine.
EP0212157B1 (fr) * 1985-08-20 1990-02-07 VARTA Batterie Aktiengesellschaft Dispositif de coulée de grillages de plomb pour plaques d'accumulateurs et procédé pour sa fabrication
US4699307A (en) * 1986-03-19 1987-10-13 The Fletcher-Terry Company Driver for framer's and glazier's points
DE3826277A1 (de) * 1987-08-04 1989-02-16 Yamazaki Mazak Corp Werkzeugmaschine mit einer schleiffunktion, umfassend eine elektroerosionsaus-/zurichtvorrichtung, ein schleifwerkzeug und eine spansammelvorrichtung
US5505363A (en) * 1989-05-26 1996-04-09 United States Surgical Corporation Surgical staples with plated anvils
DE4109362A1 (de) * 1991-03-22 1992-09-24 Bosch Gmbh Robert Eintreibgeraet fuer heftmittel
ES2177570T3 (es) * 1994-09-01 2002-12-16 Sulzer Orthopadie Ag Rotula de cadera artificial para la articulacion de la cadera y procedimiento de fabricacion.
US5810827A (en) * 1994-09-02 1998-09-22 Hudson Surgical Design, Inc. Method and apparatus for bony material removal
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DE59807190D1 (de) * 1998-05-18 2003-03-20 Grapha Holding Ag Drahtheftmaschine für einen eine Sammelkette aufweisenden Sammelhefter.
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DE102005000114A1 (de) * 2005-09-13 2007-03-15 Hilti Ag Setzgerät

Also Published As

Publication number Publication date
CN101092090A (zh) 2007-12-26
JP2008000891A (ja) 2008-01-10
EP1872962A1 (fr) 2008-01-02
US20080000943A1 (en) 2008-01-03

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