EP0493109A1 - Vorrichtung zum Trennen eines Blättersatzes mittels gefaltete Bänder - Google Patents

Vorrichtung zum Trennen eines Blättersatzes mittels gefaltete Bänder Download PDF

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Publication number
EP0493109A1
EP0493109A1 EP91312009A EP91312009A EP0493109A1 EP 0493109 A1 EP0493109 A1 EP 0493109A1 EP 91312009 A EP91312009 A EP 91312009A EP 91312009 A EP91312009 A EP 91312009A EP 0493109 A1 EP0493109 A1 EP 0493109A1
Authority
EP
European Patent Office
Prior art keywords
strip
nip
roller
sheet set
belt
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
EP91312009A
Other languages
English (en)
French (fr)
Other versions
EP0493109B1 (de
Inventor
Roman M. Golicz
Todd Robert Holland
Harry E. Luperti
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.)
Pitney Bowes Inc
Original Assignee
Pitney Bowes Inc
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
Priority claimed from US07/632,805 external-priority patent/US5096176A/en
Priority claimed from US07/636,342 external-priority patent/US5088712A/en
Application filed by Pitney Bowes Inc filed Critical Pitney Bowes Inc
Publication of EP0493109A1 publication Critical patent/EP0493109A1/de
Application granted granted Critical
Publication of EP0493109B1 publication Critical patent/EP0493109B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B27/00—Bundling particular articles presenting special problems using string, wire, or narrow tape or band; Baling fibrous material, e.g. peat, not otherwise provided for
    • B65B27/08—Bundling paper sheets, envelopes, bags, newspapers, or other thin flat articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C9/00—Applying glue or adhesive peculiar to bookbinding
    • B42C9/0056—Applying glue or adhesive peculiar to bookbinding applying tape or covers precoated with adhesive to a stack of sheets
    • B42C9/0062—Applying glue or adhesive peculiar to bookbinding applying tape or covers precoated with adhesive to a stack of sheets the tape being fed from a roller
    • B42C9/0075—Applying glue or adhesive peculiar to bookbinding applying tape or covers precoated with adhesive to a stack of sheets the tape being fed from a roller with a continuous flow of stacks of sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C1/00—Labelling flat essentially-rigid surfaces
    • B65C1/04—Affixing labels, e.g. wrap-around labels, to two or more flat surfaces of a polyhedral article
    • B65C1/042—Affixing labels, e.g. wrap-around labels, to two or more flat surfaces of a polyhedral article using two or more applicators, e.g. cooperating rollers or brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H33/00—Forming counted batches in delivery pile or stream of articles
    • B65H33/04—Forming counted batches in delivery pile or stream of articles by inserting marker slips in pile or stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/426—Forming batches
    • B65H2301/4261—Forming batches by inserting a wire or tape shaped marker element
    • B65H2301/42612—Forming batches by inserting a wire or tape shaped marker element cut into tabs before or upon insertion

Definitions

  • the invention disclosed herein relates to separating sets of sheet material, for example, sets of paper sheets in paper processing apparatus such as copiers and mailing machines. More particularly, the invention relates to associating strips of material with sets of sheet material to separate the sets.
  • One technique for separating sets of one or more stacked sheets is to offset the sheet sets. See, for example, U.S. Patent Nos. 3,860,127 (Fassman) and 4,017,066 (Lasher et al.).
  • One drawback of this sheet set separation technique is that the offset is easily lost and that the once-separated sheet sets are easily mingled.
  • Another technique positions one or more strips of paper between the adjacent sheet sets to be separated.
  • a strip loosely lies between the first and last sheets of the sets to be separated, i.e., the strip is not adhered or affixed to the sheets in any way and becomes engaged solely by virtue of being between adjacent sheets of adjacent sets.
  • One drawback of this technique is that the strips easily fall out or the strips are easily moved so they are not easily visible from the exterior of a stack of sheet sets.
  • this technique involves advancing the strip from a roll thereof, inserting the strip adjacent the first or last sheet of a set, severing the strip from the roll and moving the next sheet from the adjacent set into position adjacent the inserted strip, although not necessarily in the order described.
  • U.S. Patent No. 4,586,232 discloses wrapping bundles with shrink wrapping film withdrawn and severed from a roll thereof, in which the film is positioned in the path of an advancing bundle where it is engaged by and drawn around the advancing bundle.
  • An aim of the invention is to utilize strips of material, e.g. paper, to separate sets of stacked sheets, in such a way as to more securely associate the strips with the separated sets without adhereing the strips to any sheet by a method such as using an adhesive or by piercing the sheet.
  • material e.g. paper
  • a strip of material to a sheet set so the strip extends along one major side of the set, about the set edge, and along the opposite major side of the set.
  • the strip is folded at least once at the set edge.
  • the strip is folded twice, once at one major side and again at the opposite major side.
  • Folding the strip twice, once at the edge of each end sheet in the set, causes the strip to extend a substantial distance along and parallel to each major side of the sheet set, and more securely holds the strip against the set to reduce even further the risk that the strip may separate from the sheet set.
  • a strip of material such as paper is positioned intersecting a path along which a set of sheets such as paper sheets is advanced, and the sheet set is advanced towards the strip so that the downstream edge of the sheet set engages the strip with portions of the strip extending substantially beyond opposed major sides of the sheet set.
  • the strip is then applied, e.g., by folding the strip at least once, to the sheet set adjacent at least the downstream edge of the sheet set with the strip portions extending generally parallel to and adjacent the major sides of the sheet set as the sheet set moves past the strip.
  • the strip is sized so that after application thereof to the sheet set, the strip extends along substantial portions of the major sides of the sheet set.
  • Relative motion between the strip and the sheet set in the preferred embodiment is accomplished by advancing the sheet set towards a stationary strip.
  • relative motion may be obtained by moving the strip towards a stationary sheet set or by moving both the sheet set and the strip towards each other.
  • the strip is folded about the downstream edge of the sheet set by advancing the sheet set and the strip engaged by the downstream edge thereof into a nip ("folding nip") of rolling means, e.g., means for folding the strip at least once adjacent the downstream edge of the sheet set.
  • the folding means comprises opposed rollers, such that the rolling means folds the strip at each of the major sides as the strip is carried through the rolling means.
  • the rolling means comprises opposed rollers (or pulleys ) at least one of which is driven to continue or assist in continuing the advance of the sheet set in the path .
  • the sheet set is engaged by additional rollers, belts, etc., to advance the sheet set through and past the folding nip.
  • the strip is advanced from a roll thereof such that the strip has a free end extending substantially beyond a first major side of the sheet set and is attached to the roll at a point substantially beyond a second major side of the sheet set.
  • the strip is attached to the roll as the downstream edge of the sheet set engages the strip, and is severed from the roll after the strip is engaged by the downstream edge of the sheet set. Severing may be accomplished by drawing the strip across a cutter when the strip and sheet set downstream edge are engaged and advance in the folding nip.
  • a specific embodiment of apparatus in accordance with the invention for applying a strip of material to a set of stacked sheets comprises means for holding a strip of material in a path along which a sheet set is being advanced; means for advancing the sheet set towards and past the strip such that the downstream edge of the sheet set engages the strip with portions of the strip extending beyond first and second opposed major sides of the sheet set; and means for folding the strip at least once adjacent the downstream edge the sheet set.
  • the strip is folded twice, once at each of the major sides, such that the strip portions extend generally parallel to and adjacent the major sides.
  • a specific embodiment of the folding means comprises the folding nip referred to above which is formed by a pair of rollers into which the sheet set downstream edge and the strip engaged thereby are advanced.
  • the rollers engage the sheet set and the strip and fold the strip at the downstream edges of the major sides.
  • means are provided for driving at least one of the rollers such that the rollers engage the sheet set and strip and continue or assist in continuing the advance of the sheet set along the path.
  • a first roller of the pair comprises a first pulley and a first belt passing around the first pulley.
  • a second belt passes over the second roller in generally tangential contact therewith.
  • the folding nip is formed by the first belt where it passes around the first pulley and by the second belt where it passes over the second roller.
  • the second roller is resiliently mounted to move under the action of a spring bias towards and away from the first belt.
  • Means are provided for driving the first belt to thereby drive the first pulley.
  • the second belt preferably also is driven in synchronism with the first belt, preferably by the driving means for the first belt.
  • the strip is advanced or indexed from a roll
  • the apparatus comprises means for advancing strip material from the roll into the path of the advancing sheet set such that a free end of the strip extends substantially beyond the first major side and a substantial portion of the strip connected to the roll extends beyond the second major side.
  • Means are provided for severing the substantial portion of the strip from the roll after the strip has been engaged by the sheet set downstream edge.
  • the severing means may comprise a stationary knife edge positioned adjacent and spaced from the substantial portion of the strip when the strip is held in the path, and means for guiding the substantial portion of the strip against the knife edge as the sheet set and the strip advance through the folding nip.
  • the guiding means comprises means for resiliently tensioning the strip as the strip is guided towards the knife edge.
  • the tensioning means comprises a flexible sheet along which the strip is advanced from the roll.
  • the sheet is fixed at an upstream end thereof while the downstream end of the sheet is free and movable towards the knife edge.
  • the sheet flexes towards the knife edge when the strip is advanced by its engagement with the downstream edge of the advancing sheet set.
  • the strip advancing means comprises third and fourth rollers disposed to form a nip positioned to receive the strip from the roll. At least one of the third and fourth rollers is selectively driven, preferably by selective coupling to a driven part which advances the sheet set or folds the strip. In the preferred embodiment, one of the third and fourth rollers is selectively driven from a belt which assists in folding the strip and/or advancing the sheet set.
  • a paper processing system 10 transports sheets 12 of paper from, for example, a photocopying station (not shown) towards an accumulator 14 where they are stacked into sheet sets 16.
  • the number of sheets 12 to be accumulated in each sheet set 16 may vary, and may be determined conventionally.
  • the sheet sets 16 are advanced by a transporter 22 along a path 24 towards and into a strip inserter 30 according to the invention.
  • Strip inserter 30 includes a strip advancer 32 which advances a strip 33 of paper (sometimes referred to as tape) from a roll 34 (Fig. 2) thereof into the path 24 of an advancing set 16, folds the strip around the downstream edge 38 of the sheet set 16 and severs the folded strip 33a from the roll 34.
  • Strip inserter 30 includes a diverter 52 which either diverts sheet sets 16 with folded strips 33a applied thereto into stack accumulator 50, or allows sheet sets of one or more sheets 12 without a folded strip 33a to advance to a downstream transporter or an accumulator (not shown).
  • Accumulator 50 has a platform 52 which is indexed downwardly each time it receives a sheet set 16 to thereby accommodate a number of stacked sheet sets 16.
  • System 10 includes a system controller 56 which controls sheet accumulation in accumulator 14, advancing of strip material 33 by strip advancer 32 and the positioning of diverter 52 in strip inserter 32.
  • Transporter 22 and strip folder 40 which continues the advance of a sheet set 16 therethrough, may run continuously, i.e., whenever system 10 is active, or intermittently under control of system controller 56.
  • System controller 56, accumulator 14 and transporter 22 may be conventional.
  • Figs. 2 and 4 illustrate a sequence in which a sheet set 16 is advanced along path 24 towards a strip 33 positioned intersecting path 24 (Fig. 2), and in which the downstream edge 38 of advancing sheet stack 16 engages strip 33 and carries it to a strip folder 40 in strip inserter 30 which folds the strip 33 into the strip 33a (Fig. 4).
  • a folding nip formed at 60 in strip folder 40 receives the downstream edge 38 of sheet set 16 and a strip 33 engaged by the advancing sheet set edge 38, and folds the strip 33 around the sheet set edge 38 as the set is advanced along path 24 into strip folder 40.
  • the strip 33 is folded so that substantial portions extend along and parallel to opposed major sides 57, 58 of sheet set 16.
  • strip folder 40 comprises three laterally-spaced pairs of upper and lower endless belts, 64, 67 and 70.
  • Upper belt 62 and lower belt 63 form an outer pair 64; upper belt 65 and lower belt 66 form an intermediate pair 67; and upper belt 68 and lower belt 69 form another outer pair 70.
  • the upper and lower belts of each pair are supported generally superposed and aligned with the runs thereof directly opposite and closely adjacent each other.
  • the upper belts of the belt pairs are aligned and the lower belts of the belt pairs are aligned such that the three pairs of belts 64, 67, 70 define a common run for sheets 12 or sheet sets 16 which lies in a common plane between the upper and lower belts.
  • the upper and lower belts of the respective pairs cooperate to engage and advance a paper sheet 12 or a sheet set 16 through the strip folder 40.
  • belts 65 and 66 of the intermediate pair form the folding nip 60 and in cooperation with pulley 74 and pulley 76 fold the strip 33 around the downstream edge 38 of sheet set 16 as the sheet set is advanced through the strip folder 40.
  • the first roller referred to above comprises pulley 74 and belt 65 where it passes over pulley 74
  • the second roller referred to above comprise pulley 76 and belt 66 where it passes over roller 76, which comprise the presently preferred folding means referred to above.
  • Upper outer belt 62 is supported by upstream and downstream upper pulleys which are not visible in the drawings; lower outer belt 63 is supported by upstream and downstream lower pulleys, only the lower downstream pulley 80 of which is visible in the drawings (Fig. 3); intermediate upper belt 65 is supported by upstream and downstream upper pulleys 74 and 82 (Fig. 2), respectively; lower intermediate belt 66 is supported by upstream and downstream lower pulleys 84 and 85, respectively; outer upper belt 68 is supported by upstream and downstream upper pulleys, only the upper upstream pulley 87 of which is visible in the drawings (Fig. 3); and outer lower belt 69 is supported by upstream and downstream lower pulleys 89 and 90, respectively.
  • the upper upstream pulleys for belts 62, 65 and 68 are fixed to an upper upstream shaft 91 to rotate therewith, and the lower upstream pulleys for belts 63, 66 and 69 are fixed to a lower upstream shaft 92 to rotate therewith.
  • Upstream shafts 91 and 92 are supported on opposite ends from frame 96 by bearings and are driven from a common motor 97 via gearing 98. Motor 97 may be run continuously or intermittently under control of system controller 56.
  • the upper downstream pulleys for belts 62, 65 and 68 are fixed to upper downstream shaft 100 (Fig. 2) to rotate therewith, and the lower downstream pulleys for belts 63, 66 and 69 are fixed to lower downstream shaft 102 to rotate therewith.
  • Downstream shafts 100 and 102 are supported by bearings from frame 96 but are not driven.
  • Outer upper upstream pulley 87 is slightly offset to the downstream side of outer lower upstream pulley 89, and the other outer upper upstream pulley (not shown) is slightly offset to the downstream side of the other outer lower upstream pulley (not shown).
  • This offset causes the nip 104 of outer belts 68 and 69 to be formed adjacent a portion of lower belt 68 that is not passing over lower pulley 89.
  • nip 104 is not rigid as it would be if it was formed by aligned upper and lower pulleys 87 and 89, but is flexible due to the flex in lower belt 69 to provide a variable height opening to the nip 104 to accommodate sheet sets of different heights.
  • a similar variable height nip opening is provided between outer upper and lower belts 62 and 63.
  • Folding nip 60 to intermediate belts 65 and 66 is similarly offset from lower upstream pulley 84 to a downstream position adjacent pulley 76.
  • Pulley 76 is rotatably supported on a shaft 110 via bearings mounted to the downstream ends 112 of arms 114.
  • the upstream ends 116 (Fig. 2) of arms spaced 114 are pivotably mounted to lower upstream shaft 92.
  • a spring 118 fixed to shaft 92 bears against projection 120 extending from one of the arms 112 to resiliently urge pulley 76 counterclockwise towards upper upstream pulley 74.
  • Spring 118 is selected so that pulley 76 may be pivoted clockwise against the action of spring 118 as sheet sets of different heights enter nip 60 to provide a variable height nip opening.
  • Spring 118 is also selected so that it urges pulley 76 against upper belt 65 and upper pulley 74 with sufficient force to fold a strip 33 around the downstream edge 38 of a sheet set 16 which is advanced into nip 60 (Fig. 4). Belts 65 and 66 sandwich a cut strip 33a and a sheet set 16 therebetween and maintain strip 33a against the major sides of the sheet set as the sheet set is advanced towards accumulator 50.
  • the belts and pulleys of strip folder 40 cooperate to advance a sheet set 16 through the strip folder 40 while roller 76 and belt 66 cooperate with pulley 74 and belt 65 to fold a strip 33 around the upstream edge 38 of a sheet set advanced into nip 60.
  • strip inserter 30 includes a strip dispenser 32 comprising rollers 132-134 and a reel 136 for a roll 34 of strip material, all mounted on a frame 138 rotatably mounted to a shaft 139 fixed to frame 96.
  • Frame 138 in its unpivoted position rests under its own weight and the moment generated from pivoting about shaft 139 with roller 134 engaging upper intermediate belt 65.
  • the entire strip dispenser 32 including rollers 132-134 and reel 136 may be pivoted away from the strip folder 40. This provides easy access to the strip folder 40 and to the strip dispenser 32 for clearing jams, servicing, inserting new rolls 34 of strip material and repair.
  • Reel 136 is supported from frame 138 to rotate when tension is put on strip material 33 so that strip material may be withdrawn from reel 136.
  • Roller 132 (third roller) and roller 133 (fourth roller) are rotatably supported closely adjacent each other from frame 138 to from a nip 140 through which strip material 32 is fed.
  • Roller 132 is an idler roller, and roller 133 is driven by roller 134 (fifth roller), clutch 150 (Fig. 5) and gears 152, 153 as follows to withdraw tape from reel 136.
  • clutch 150 includes a rotatable input shaft 155 rotatably mounted at its free end to frame 138 by a bearing.
  • Roller 134 is fixed to input shaft 155 supported closely adjacent intermediate upper pulley 74 of strip folder 40.
  • Clutch 150 also includes a rotatable output shaft 157 rotatably mounted to frame 138 by a bearing. Clutch 150 selectively couples rotation of input shaft 155 (Figs. 5-6) to output shaft 157 upon unclutching of clutch 150 by a control signal from system controller 56 (Fig. 1).
  • An O-ring 160 is fixed to roller 134 about the circumference thereof to rotate therewith.
  • O-ring 160 is engaged by intermediate upper belt 65 where it passes around upper pulley 74 so that rotation of upper belt 65 causes roller 134 and input shaft 155 to rotate.
  • Gear 152 is fixed to output shaft 157 and gear 153 is fixed to the shaft 162 of roller 133 (see Fig. 4) to rotate therewith in mesh with gear 152.
  • actuation of clutch 155 rotates gear 152 which rotates gear 153 and roller 133. Since belt 65 may be rotated continuously, driving power for strip advancing roller 133 is available upon demand.
  • rollers 133 and 134 are stationary and engage and hold strip material 33 therebetween so strip material is not withdrawn from reel 136 and may be tensioned for severing by the advance of sheet stack 16.
  • Strip material 33 is advanced when clutch 155 is unclutched, i.e., roller 134 is driven, between a rigid, transparent curved outer guide 170 (Fig. 4) and a flexible inner guide 172 both attached to frame 138. Each time that clutch 155 is unclutched, it remains unclutched for a sufficient time to index a predetermined length of strip material 33 which is long enough to wrap around the downstream edge 38 of the largest sheet set expected with substantial portions of the strip extending along the major surfaces 57, 58 of the sheet set.
  • Outer guide 170 terminates above and slightly upstream of lower intermediate pulleg 76 and turns the strip material 33 from roll 34 90° so it hangs in the path 24 of a sheet set 16 being advanced into strip inserter 30.
  • Inner guide 172 comprises a flexible sheet 174 having an upstream end 175 fixed to frame 138 and a downstream free end 176.
  • Sheet 174 is thin and flexes towards a serrated knife edge 178 also fixed to frame 138.
  • Flexible sheet 174 is flexed towards knife edge 178 when strip material 33 is engaged by an advancing sheet set and held between rollers 133 and 134. Flexing continues until the strip material 33 is brought against and cut by knife edge 178, illustrated in Fig. 4 by the solid line positions of strip material 33 and sheet 174.
  • sheet 174 flexes back to the broken line position illustrated in Fig. 4.
  • Sheet sets 16 with strips 33a applied thereto are accumulated in accumulator 50.
  • Figs. 1-3 show diverter 52 in its lower position to direct sheet sets 16 to accumulator 50.
  • System controller 56 provides a signal to a drive (not shown) for diverter 52 to move it to its upper position which directs sheets to a transporter section of strip inserter 30 defined by the down stream end of belts 62, 63, 65, 66 and 68, 69, and another three pairs of lower belts referenced generally by 178 in Fig. 2.
  • Diverter 52 is located upstream of belts 178.
  • An out of strip material sensor 180 carried by frame 138 between rollers 132, 133 and reel 136 is coupled to system controller 56 to monitor whether sufficient strip material is left for the next folding operation.
  • Strip supply sensor 182 carried by frame 138 adjacent reel 136 is coupled to system controller 56 to monitor when a predetermined amount of strip material has been withdrawn from the reel, e.g. 3/4 of a full reel.
  • Strip material 33 preferably has a width close or equal to the width of intermediate upper and lower belts 65 and 66 which improves the folding action on strip material 33.
  • one or more strips 33a may be applied to sheet sets 16 as shown in Figs. 7 and 8.
  • the strips may be of any desired color or colors.
  • a strip inserter 30a is provided which comprise a pair of folding nips 60 which are the same or similar to nip 60 described above.
  • a strip of paper 33 is held in the path of an advancing sheet set 16 which engages the strip and carries it into the folding nip 60 formed by a pair of opposed belt conveyers, which folds the strip 33 about the edge 38 of the sheet set 16 as the sheet set advances into and through nip 60.
  • the width of the folding nip 60 is approximately the width of the belts 65 and 66 formed by the upper and lower belt conveyers, respectively.
  • claims 27 - 40 aims to improve apparatus wherein in which a strip of material is folded about the edge of a set of stacked sheets to separate the set from other adjacent sheet sets. It is intended to enable such apparatus to utilize wider strips without reducing the quality of the folds of the strips.
  • the folding means comprises means forming another nip adjacent the nip of the belt conveyers, which another nip is positioned with respect to the nip of the belt conveyers to form a composite nip through which the strip is advanced.
  • the composite nip in accordance with this aspect of the invention comprises a first folding nip formed by the pair of opposed belt conveyers and a second folding nip formed adjacent the first folding nip by a pair of opposed rolling means, e.g., opposed rollers.
  • the composite folding nip is thereby made wider than the first folding nip.
  • a third folding nip is formed by another pair of opposed rolling means adjacent the side of the first folding nip opposite the side on which the second folding nip is formed.
  • the first, second and third folding nips then form the composite folding nip.
  • either or both pairs of the rolling means forming the second and third folding nips are formed by two opposed rollers, although other means such as a belt conveyer may also be used as a rolling means.
  • the opposed belt conveyers comprise an upper belt conveyer and a lower belt conveyer which form a folding nip.
  • Each of the upper and lower belt conveyers is supported and driven by a pulley system.
  • the folding nip itself is formed by the outer surface of the upper belt as supported by an upper pulley and the outer surface of the lower belt as supported by a lower roller, although other arrangements of a belt or belts, or another moving or stationary surface, a pulley or pulleys and/or a roller or rollers, etc., may be used.
  • an upper roller is disposed adjacent one side of the upper pulley and another lower roller is disposed opposite and below the second roller adjacent one side of the lower roller of the lower belt conveyer.
  • the strip to be folded is positioned centered relative to the composite nip formed by the two additional rollers and the upper and lower belt conveyers, which position is offset with respect to the upper and lower belts.
EP19910312009 1990-12-24 1991-12-24 Vorrichtung zum Trennen eines Blättersatzes mittels gefaltete Bänder Expired - Lifetime EP0493109B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/632,805 US5096176A (en) 1990-12-24 1990-12-24 Sheet set separation using folded strips
US632805 1990-12-24
US07/636,342 US5088712A (en) 1990-12-31 1990-12-31 Sheet set separation using wide folded strips
US636342 1990-12-31

Publications (2)

Publication Number Publication Date
EP0493109A1 true EP0493109A1 (de) 1992-07-01
EP0493109B1 EP0493109B1 (de) 1996-03-06

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
DE4415485A1 (de) * 1994-05-03 1995-11-09 Heidelberger Druckmasch Ag Vorrichtung zur Bogenauslage an einer Druckmaschine
WO2012084464A2 (de) 2010-12-20 2012-06-28 Ferag Ag Verfahren zum anbringen wenigstens eines umfassungselements an einer flächigen produktzusammenstellung sowie umfassungselement-applikationsvorrichtung zur durchführung des verfahrens
CH704967A1 (de) * 2011-05-16 2012-11-30 Ferag Ag Verfahren zum Anbringen wenigstens eines Umfassungselements an einer flächigen Produktzusammenstellung sowie Umfassungselement-Applikationsvorrichtung zur Durchführung des Verfahrens.
EP2657142A1 (de) * 2012-04-26 2013-10-30 Herzog + Heymann GmbH & Co. KG Vorrichtung und Verfahren zum Bearbeiten von Falzprodukten
US10717556B2 (en) 2015-06-24 2020-07-21 Ferag Ag Method for producing collections of printed products, and device for carrying out said method

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Publication number Priority date Publication date Assignee Title
GB527098A (en) * 1938-04-01 1940-10-02 Jagenberg Werke Ag Process and apparatus for inserting marking-slips between individual sheets of a stack
US2346142A (en) * 1942-12-04 1944-04-11 Minnesota Mining & Mfg Automatic pressure-sensitive adhesive tape dispenser
GB697537A (en) * 1950-05-24 1953-09-23 Jagenberg Werke Ag An improved process and device for inserting marking tags into sheet stacks
US2676725A (en) * 1950-04-14 1954-04-27 Raymond T Buhl Tape applying apparatus
US2684240A (en) * 1950-02-04 1954-07-20 Minnesota Mining & Mfg Adhesive tape propelling mechanism
GB843669A (en) * 1957-11-13 1960-08-10 Pembroke Carton & Printing Com Method and apparatus for providing spaced indicators in a stack of flat sheets

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB527098A (en) * 1938-04-01 1940-10-02 Jagenberg Werke Ag Process and apparatus for inserting marking-slips between individual sheets of a stack
US2346142A (en) * 1942-12-04 1944-04-11 Minnesota Mining & Mfg Automatic pressure-sensitive adhesive tape dispenser
US2684240A (en) * 1950-02-04 1954-07-20 Minnesota Mining & Mfg Adhesive tape propelling mechanism
US2676725A (en) * 1950-04-14 1954-04-27 Raymond T Buhl Tape applying apparatus
GB697537A (en) * 1950-05-24 1953-09-23 Jagenberg Werke Ag An improved process and device for inserting marking tags into sheet stacks
GB843669A (en) * 1957-11-13 1960-08-10 Pembroke Carton & Printing Com Method and apparatus for providing spaced indicators in a stack of flat sheets

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4415485A1 (de) * 1994-05-03 1995-11-09 Heidelberger Druckmasch Ag Vorrichtung zur Bogenauslage an einer Druckmaschine
WO2012084464A2 (de) 2010-12-20 2012-06-28 Ferag Ag Verfahren zum anbringen wenigstens eines umfassungselements an einer flächigen produktzusammenstellung sowie umfassungselement-applikationsvorrichtung zur durchführung des verfahrens
US9511613B2 (en) 2010-12-20 2016-12-06 Ferag Ag Method for applying at least one enclosing element to a flat product composition, and enclosing element applying device for carrying out the method
EP3156250A1 (de) 2010-12-20 2017-04-19 Ferag AG Verfahren zum anbringen wenigstens eines umfassungselements an einer flächigen produktzusammenstellung sowie umfassungselement-applikationsvorrichtung zur durchführung des verfahrens
EP3156251A1 (de) 2010-12-20 2017-04-19 Ferag AG Verfahren zum anbringen wenigstens eines umfassungselements an einer flächigen produktzusammenstellung sowie umfassungselement-applikationsvorrichtung zur durchführung des verfahrens
US10427444B2 (en) 2010-12-20 2019-10-01 Ferag Ag Method for applying at least one enclosing element to a flat product composition, and enclosing element applying device for carrying out the method
CH704967A1 (de) * 2011-05-16 2012-11-30 Ferag Ag Verfahren zum Anbringen wenigstens eines Umfassungselements an einer flächigen Produktzusammenstellung sowie Umfassungselement-Applikationsvorrichtung zur Durchführung des Verfahrens.
EP2657142A1 (de) * 2012-04-26 2013-10-30 Herzog + Heymann GmbH & Co. KG Vorrichtung und Verfahren zum Bearbeiten von Falzprodukten
US10717556B2 (en) 2015-06-24 2020-07-21 Ferag Ag Method for producing collections of printed products, and device for carrying out said method

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