US3762622A - Apparatus for stitching a continuously running web - Google Patents

Apparatus for stitching a continuously running web Download PDF

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Publication number
US3762622A
US3762622A US00129795A US3762622DA US3762622A US 3762622 A US3762622 A US 3762622A US 00129795 A US00129795 A US 00129795A US 3762622D A US3762622D A US 3762622DA US 3762622 A US3762622 A US 3762622A
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US
United States
Prior art keywords
staple
stitching
web
wire
arm
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.)
Expired - Lifetime
Application number
US00129795A
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English (en)
Inventor
A Noren
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.)
TOLERANS AB
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TOLERANS AB
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Filing date
Publication date
Application filed by TOLERANS AB filed Critical TOLERANS AB
Application granted granted Critical
Publication of US3762622A publication Critical patent/US3762622A/en
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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
    • B42B4/02—Rotary type stitching machines
    • 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
    • B42C7/009—Decorating book covers

Definitions

  • the stitching arm carrying the staple is mounted so as to be pressed resiliently into the stitching cylinder.
  • the stitching arm by contact with the web is pressed resil iently into the stitching cylinder and at the same time the staple carried by the arm penetrates through the web.
  • Such an apparatus has a limited operation speed, because the strokes of the stitching arm against the web increase with the higher number of revolutions of the stitching cylinder and thereby crush the paper web.
  • a further disadvantage of the stitching apparatus of the aforedescribed kind is that there is a small difference in lateral speed between the stitching arm and the web in the stitching moment. This difference in speed has its reason in that the stitching arm moves along a curve, but the web moves in a straight line. Due to this difference in speed, the staple is turned during the stitching operation and, furthermore, the staple does not safely meet the web at a suitable angle upon its first contact with the web.
  • the present invention has as its object the elimination of the disadvantages of the conventional prior apparatus and also to produce a stitching apparatus adapted to operate at high stitching speeds.
  • This is achieved preferably by providing a stitching arm or staple carrying arm which is mounted on a rotating drive cylinder so as to turn or revolve therewith, and which is slidably arranged within a die member so as to be gradually retractable relative to the periphery of the drive cylinder whereby the outer end of the arm traces a substantially linear path as it is moved in the vicinity of the paper web.
  • a pivotally mounted lever arm is connected to the staple carrying arm and is adapted to be manipulated by a fixed cam and cam follower so as to cause the staple carrying arm to be retracted.
  • the relative speeds of the drive cylinder and web as well as the particular shape of the cam surfaces are selected such that the staple carrying arm and staple attain a peripheral substantially linear speed during stitching which is substantially equal to the speed of the web.
  • the die member is preferably adapted to engage the staple to remove it from the carrying arm and to press it through the web as the arm is retracted.
  • FIG. 1 shows in a schematic way a lateral view of the stitching apparatus, in which for the sake of clearness several details have been omitted, and the Figure only shows a basic sketch
  • FIG. 2 shows a plane view, partially in section, taken along the line AA in FIG. I.
  • FIG. 3 shows a stepping device for feeding and cutting the wire forming the staple
  • FIG. 4 shows a detail in the feeding device taken along the line B-B in FIG. 3.
  • FIG. 1 shows in a schematic way the apparatus ac cording to the invention for stitching a continuously running web P, for example a paper web or the like, comprising layers or sheets to be stitched together.
  • the web P moves continuously in the direction of arrow I, i.e. downwardly in the Figure, between a stitching cylinder 20 carrying the stitching arm 13 and a cylinder 26 on the opposite side of the web, which cylinder 26 carries an anvil 27 against which the staple is clinched.
  • the cylinders 20 and 26 rotate continuously in contrary directions, as indicated by the arrows in the Figure.
  • a cutting device which, for example, may be of the type having a rotary tool 10. Said tool coacts with a stationary cutting edge 11 for cutting off a wire length 12, which is fed in in a direction perpendicular to the plane of the Figure by means of a feeding device, which is described in greater detail with reference to FIG. 3.
  • the cutting tool 10 rotates in the direction of arrow II and is provided with several cutting edges or teeth, which subsequent to the cutting of a wire length 12 transport this length to a position at which the tool 10 is substantially horizontal and the wire length 12 is retained in the cutting device by means of one or several spring leafs 14 forming a wire path extending to a forming roll 16.
  • the wire length located between the spring leafs l4 and a stationary block 15 is carried by the stitching arm 13, which is provided with projecting legs 13a engaging between the spring leafs 14 for continued transport of the wire.
  • the operation of the cutting apparatus is as follows: The cutting tool 10 cuts a piece of wire 12 and carries this piece of wire by its upward rotation movement to aposition.
  • the staple forming roll 16 has a substantially U-shaped periphery with radially projecting legs 16a.
  • the stitching arm 13 moves the cut wire length into engagement with the roll 16
  • the projecting legs 16a enter the grooves 17 in the stitching arm between the wire supporting legs 13a thereby forcing the cut wire length to be formed into the shape of a staple 12a.
  • the crown of the newly formed staple is pressed beneath the resilient finger 18 by the leg 16a of the roll and is held between the finger l8 and a part of the arm 13 underlying the finger 18, as is explained below.
  • the finger 18 consists of a length of resilient material such as spring steel or rubber which is attached at one end to the stitching arm 13 and which protrudes longitudinally outwardly relative to the stitching arm substantially parallel to and between the outer ends of the legs 13a.
  • the stitching arm 13 is also provided with an integral supporting element (not shown) which underlies the finger 18. As the wire length 12 is being formed into a staple 12a by the legs 16a of the forming roller 16, the crown of the staple is pressed beneath the resilient finger 18 and is held between the finger 18 and the supporting element.
  • the stitching arm 13 Upon continued rotation of the cylinder 20, the stitching arm 13 carries the staple 12a to the position shown in FIG. 1 where it is to be pressed into the web P.
  • the stitching arm 13 is mounted movably in a die body 241, which is mounted rotatably in the cylinder at 19.
  • the die 24 is so designed that part of the same, indicated by reference numeral 24a (FIG. 2) is located between the legs 13a of the stitching arm 13 so that when the die 24 is brought into the vicinity of the web P the part of the die body 24a forms a thrust for the crown portion of the U- shaped staple 1221 when the staple is being pressed into the web P, whereby the staple upon retracting of the arm 13 is released from the engagement in the resilient finger 18 of the stitching arm.
  • the staple By positive control of the longitudinally movable and simultaneously rotatable stitching arm 13 by means of the cam surface 25, and by a suitable choice of the curve of the cam surface, the staple can be guided at the penetration of web P, so that the staple always meets the web at a suitable angle, irrespective of the operation speed.
  • the cylinder 21) is rotated at a continuous speed of a predetermined number of rotations per hour.
  • both the lever arm 22 and the die body 24% are pivotally mounted on the cylinder 20 at points indicated by reference numerals 21 and 19 respectively.
  • both the lever arm 22 and the die body 24, as well as the stitching arm 13, are carried, or revolve, around the axis of rotation of the cylinder 20 as the latter rotates during the operation of the machine.
  • cam rollers 33 are laterally offset from, but are connected to, the lever arm 22 and are also revolved around the rotational axis of the cylinder 20 as the latter rotates. Since the cam rollers 33 are in continuous engagement with the laterally offset fixed cam surfaces 25, the lever arm 22 can be made to pivot or rock back and forth around its pivot point 21 as the cylinder 20 rotates, depending upon the shape of the cam surfaces. For example, with reference to FIG. 1, cam rollers 33 are shown to be moving along a particular slope of the cam surface 25 which carries them closer to the circumference of the cylinder 20.
  • the outer extremity of the stitching arm 13 which carries the staple is moving, during the stitching phase, along a substantially linear path parallel to the web P.
  • the locus of points generated by the outer end of the stitching arm 13 and its staple during the stitching phase is substantially a straight line.
  • the rotational speeds of the cylinders 20 and 26 are selected so that this substantially linear movement of the arm 13 in the vicinity of the web P is at a velocity which corresponds substantially to the velocity with which the web is moving. Since the staple obtains a lateral speed substantially equal to that of the web P, there is little or no twisting and turning of the staple 12 as it enters the web, and thus the web is not damaged.
  • the die 24? does not move relative to the cylinder 20, thus the gradual retraction of the stiching arm 13 relative to the die 24 causes the portion 24a of the latter to engage the staple and to press the staple gradually through the web P.
  • a feeding device For feeding the wire 12 to the cutting device 10, a feeding device with two rollers 28, 23a, as shown in FIG. 3, is provided, which rollers are so arranged that the wire is clamped and advanced between the peripheries of the rollers.
  • the periphery of one roller 28 however, being broken at 29, the feed is interrupted temporarily every time the wire is cut off, for example four times per revolution of the rollers 28, 28a.
  • the broken roller 28, as appears from FlGS. 3 and 4 can be designed so as to have twice the width and to include recesses or interruptions 29, 30 of different length arranged to the side of each other.
  • a staple holding arm mounted on said first member to turn therewith and being adapted to support a staple for insertion through the web during a stitching phase of rotation of said first member, said arm being movable back and forth along a line generally perpendicular to the web during said stitching phase;
  • the apparatus of claim 2 comprising in addition means for forming a staple comprising a wire feeding means, a rotary cutting tool for cutting the wire, a U shaped forming roll for forming said wire into a staple, the wire being transported to the stitching location by the staple holding arm, the feeding means being inoperative during the cutting of the wire.
  • the wire feeding means comprises two rollers between the surfaces of which the wire is gripped, one of the rollers having a circumferential depression on its surface so that the feeding ceases during the time that the wire is in one of the depressions,
  • rollers is cylindrical and has a plurality of depressions of different lengths along the: outer circumference of the roller, each depression occupying a distinct circumferential plane.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
US00129795A 1970-04-06 1971-03-31 Apparatus for stitching a continuously running web Expired - Lifetime US3762622A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE04664/70A SE353673B (de) 1970-04-06 1970-04-06

Publications (1)

Publication Number Publication Date
US3762622A true US3762622A (en) 1973-10-02

Family

ID=20264691

Family Applications (1)

Application Number Title Priority Date Filing Date
US00129795A Expired - Lifetime US3762622A (en) 1970-04-06 1971-03-31 Apparatus for stitching a continuously running web

Country Status (7)

Country Link
US (1) US3762622A (de)
CA (1) CA943302A (de)
CH (1) CH536725A (de)
DE (1) DE2116734C2 (de)
FR (1) FR2089178A5 (de)
GB (1) GB1339993A (de)
SE (1) SE353673B (de)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4850520A (en) * 1987-05-04 1989-07-25 Veb Kombinat Polygraph "Werner Lamberz" Leipzig Cylindrical stitching device for binding single sheets
US5113732A (en) * 1990-02-13 1992-05-19 Ferag Ag Apparatus for preparing wire pieces for a stapling machine
US5342032A (en) * 1991-12-13 1994-08-30 Ferag Ag Apparatus for wire-stapling multi-component printed products
US5464199A (en) * 1993-01-11 1995-11-07 Ferag Ag Gathering stapler for printed products comprising folded printed sheets
EP0691215A1 (de) 1994-07-06 1996-01-10 Ferag AG Vorrichtung zum Drahtheften von Druckereiprodukten
US5655427A (en) * 1994-05-25 1997-08-12 Ferag Ag Stapling device with rotary cutting element
US5690266A (en) * 1993-02-18 1997-11-25 Tolerans Ingol Sweden Ab Stapling device
US5690265A (en) * 1995-05-03 1997-11-25 Jakob; Hans-Helmut Stapling device
US6223964B1 (en) * 1997-05-07 2001-05-01 Ferag Ag Device for longitudinally stitching multipiece printed products
WO2009072976A1 (en) * 2007-12-06 2009-06-11 Tolerans Ab Rotation stitching machine and axial adjustment method in a rotation stitching machine
WO2009072975A1 (en) * 2007-12-06 2009-06-11 Tolerans Ab Rotation stitching machine and radial adjustment method in a rotation stitching machine
US20100006617A1 (en) * 2007-01-31 2010-01-14 Tolerans Ab Method and an apparatus in a rotary stapling machine
EP2246163A2 (de) 2009-04-23 2010-11-03 Tolerans AB Drahtzuführvorrichtung in einer Rotationsheftmaschine
EP2246164A2 (de) 2009-04-23 2010-11-03 Tolerans AB Rotative Mehrklammerheftmaschine
EP2397284A1 (de) 2010-06-21 2011-12-21 Tolerans AB Zylinder, System und Verfahren zum Stanzen von Löchern in ein Papierband

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5463605B2 (ja) * 2008-11-12 2014-04-09 コクヨ株式会社 綴じ機

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1054043A (en) * 1908-03-24 1913-02-25 Hoe & Co R Stapling mechanism.
US2224743A (en) * 1937-10-07 1940-12-10 Goss Printing Press Co Ltd Rotary stitcher
US2717383A (en) * 1955-05-02 1955-09-13 Western Printing & Lithographi Rotary type stitching machine
US2818568A (en) * 1954-08-16 1958-01-07 R W Crabtree & Sous Ltd Rotary stapling mechanism
US3040324A (en) * 1960-02-24 1962-06-26 Wood Newspaper Mach Corp High speed stitcher
US3186617A (en) * 1962-01-10 1965-06-01 Albert Schnellpressen Stapling apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US765911A (en) * 1898-09-23 1904-07-26 Robert Hoe Feeding mechanism for stapling-machines.
DE1055499B (de) * 1955-05-02 1959-04-23 Western Printing & Lithographi Drahtheftmaschine
US3223304A (en) * 1963-03-08 1965-12-14 Ibm Rotary stapler

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1054043A (en) * 1908-03-24 1913-02-25 Hoe & Co R Stapling mechanism.
US2224743A (en) * 1937-10-07 1940-12-10 Goss Printing Press Co Ltd Rotary stitcher
US2818568A (en) * 1954-08-16 1958-01-07 R W Crabtree & Sous Ltd Rotary stapling mechanism
US2717383A (en) * 1955-05-02 1955-09-13 Western Printing & Lithographi Rotary type stitching machine
US3040324A (en) * 1960-02-24 1962-06-26 Wood Newspaper Mach Corp High speed stitcher
US3186617A (en) * 1962-01-10 1965-06-01 Albert Schnellpressen Stapling apparatus

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4850520A (en) * 1987-05-04 1989-07-25 Veb Kombinat Polygraph "Werner Lamberz" Leipzig Cylindrical stitching device for binding single sheets
US5113732A (en) * 1990-02-13 1992-05-19 Ferag Ag Apparatus for preparing wire pieces for a stapling machine
AU630020B2 (en) * 1990-02-13 1992-10-15 Ferag Ag Apparatus for preparing wire pieces for a stapling machine
US5342032A (en) * 1991-12-13 1994-08-30 Ferag Ag Apparatus for wire-stapling multi-component printed products
US5464199A (en) * 1993-01-11 1995-11-07 Ferag Ag Gathering stapler for printed products comprising folded printed sheets
US5690266A (en) * 1993-02-18 1997-11-25 Tolerans Ingol Sweden Ab Stapling device
US5655427A (en) * 1994-05-25 1997-08-12 Ferag Ag Stapling device with rotary cutting element
US5590828A (en) * 1994-07-06 1997-01-07 Ferag Ag Apparatus for the wire-stapling of printed products
EP0691215A1 (de) 1994-07-06 1996-01-10 Ferag AG Vorrichtung zum Drahtheften von Druckereiprodukten
US5690265A (en) * 1995-05-03 1997-11-25 Jakob; Hans-Helmut Stapling device
US6223964B1 (en) * 1997-05-07 2001-05-01 Ferag Ag Device for longitudinally stitching multipiece printed products
US20100006617A1 (en) * 2007-01-31 2010-01-14 Tolerans Ab Method and an apparatus in a rotary stapling machine
WO2009072975A1 (en) * 2007-12-06 2009-06-11 Tolerans Ab Rotation stitching machine and radial adjustment method in a rotation stitching machine
WO2009072976A1 (en) * 2007-12-06 2009-06-11 Tolerans Ab Rotation stitching machine and axial adjustment method in a rotation stitching machine
EP2246163A2 (de) 2009-04-23 2010-11-03 Tolerans AB Drahtzuführvorrichtung in einer Rotationsheftmaschine
EP2246164A2 (de) 2009-04-23 2010-11-03 Tolerans AB Rotative Mehrklammerheftmaschine
EP2397284A1 (de) 2010-06-21 2011-12-21 Tolerans AB Zylinder, System und Verfahren zum Stanzen von Löchern in ein Papierband
WO2011160969A1 (en) 2010-06-21 2011-12-29 Tolerans Ab Machine and method for printing products and making cut-outs at the edges of the sheets
US9027917B2 (en) 2010-06-21 2015-05-12 Tolerans Ab Machine and method for printing products and making cut-outs at the edges of the sheets

Also Published As

Publication number Publication date
DE2116734C2 (de) 1981-09-17
CH536725A (de) 1973-05-15
GB1339993A (en) 1973-12-05
FR2089178A5 (de) 1972-01-07
SE353673B (de) 1973-02-12
CA943302A (en) 1974-03-12
DE2116734A1 (de) 1971-10-21

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