EP0075672A2 - Anordnung eines nahtlosen Farbbandes mit Halteband und Verfahren zu seiner Herstellung - Google Patents

Anordnung eines nahtlosen Farbbandes mit Halteband und Verfahren zu seiner Herstellung Download PDF

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Publication number
EP0075672A2
EP0075672A2 EP82106658A EP82106658A EP0075672A2 EP 0075672 A2 EP0075672 A2 EP 0075672A2 EP 82106658 A EP82106658 A EP 82106658A EP 82106658 A EP82106658 A EP 82106658A EP 0075672 A2 EP0075672 A2 EP 0075672A2
Authority
EP
European Patent Office
Prior art keywords
ribbon
trailer
leader
substrate
foil
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
EP82106658A
Other languages
English (en)
French (fr)
Other versions
EP0075672B1 (de
EP0075672A3 (en
Inventor
John O'neil Schaefer
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.)
JP Morgan Delaware
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Priority to AT82106658T priority Critical patent/ATE23488T1/de
Publication of EP0075672A2 publication Critical patent/EP0075672A2/de
Publication of EP0075672A3 publication Critical patent/EP0075672A3/en
Application granted granted Critical
Publication of EP0075672B1 publication Critical patent/EP0075672B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • B41J31/00—Ink ribbons; Renovating or testing ink ribbons
    • B41J31/10—Ink ribbons having arrangements to facilitate threading through a machine
    • 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
    • B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
    • B41J33/003—Ribbon spools
    • B41J33/006—Arrangements to attach the ribbon to the spool

Definitions

  • the invention relates to typewriter/printer ribbon structures and manufacturing methods therefor and, more particularly, to a spliceless ribbon structure having leader and trailer and to a method of manufacture therefor.
  • the substrate material such as a cast polyethylene is coated in large wide rolls with an ink material which is capable of being transferred from the substrate to the printed page by impact.
  • this material is fed from the large wide rolls referred to as jumbo rolls, it is slit by a slitter and wound upon individual ribbon cores for subsequent use on a printer or typewriter. After an appropriate amount of ribbon has been wound upon the cores, the slitter is stopped and a segment of the ribbon stock which remains unslit is cut out and a non-inked material typically spliced into the gap to form a leader and trailer.
  • This material is then passed through the slitter to subdivide it in width to the width of the ribbons being spooled and is wound partially onto the spool in the slitter.
  • the ribbon stock and slitter are stopped and the ribbon spool wound with ribbon and leader are severed near the center of the leader/trailer film.
  • a portion of the material accompanies the ribbon on the spools, thus forming a spliced-on leader.
  • the remaining portion of the leader/ trailer material which has been severed is then attached to new empty spools to form the spliced-on trailer and it is then wound along with ribbon onto the spools to the desired diameter.
  • the cutting of the ribbon stock and the subsequent splicing in and slitting of the leader/trailer material may cause misalignment, which may cause the spools not to wind uniformly. When this occurs, the ribbon spool and the ribbon thereon are rejected as improperly wound and discarded, thus increasing the cost of the ultimate product. Additionally, if leader/trailer material is not firmly taped into the bulk ribbon strand, the bond may break, requiring rethreading of the slitter and resulting in the subsequent loss of a large number of ribbons in production.
  • a ribbon leader is normally a spliced-in assembly and serves to carry the attaching tape, which is used to connect the start of the ribbon to the take-up spool, and further serves to provide a clean handling length of material to protect the operator from ink contamination during the loading of the ribbon into the typewriter.
  • a ribbon trailer is a spliced-in assembly of tape and film and serves to carry the attaching tape which is used to attach the end of the ribbon assembly to the supply hub.
  • the spliced-in trailer assembly typically provides a visual end of ribbon warning via its contrasting color and further provides a threshold print interruption feature to terminate printing before ribbon feed becomes inhibited by the lack of additional ribbon supply.
  • An interruption in feed can have the undesirable effect of causing light and dark characters which require subsequent correction before typing can be continued.
  • One common undesirable effect of a contrasting colored trailer material is that the typewriter can impact the material upon ribbon depletion, thereby causing a transferring of the colored material to the typed page which usually cannot be corrected.
  • both the leader and trailer can consist of single strips of double-sided adhesive foil, where one adhesive surface attaches to the ribbon stock and the other used later to attach the ribbon ends to their respective hubs.
  • the leader and trailer will each be a laminate of variable length foils first attached to the ribbon stock and having no adhesive on the back or outside and having attached to the non-adhesive side, the double-sided adhesive foil above described.
  • a band of ink is removed from the ribbon substrate transverse to the path of the ribbon and the adhesively faced foils are then engaged with the substrate of the ribbon structure as well as the ink lying beyond the respective bands and in the area encompassed by the said leader/trailer foils.
  • Such engagement with the bands by the adhesive face of the leader and trailer insures adhesion of the leader/trailer to the ribbon structure notwithstanding the relatively easy removal of the ink from the substrate of the ribbon.
  • the adhesion of the trailer to the ink face of the ribbon structure insures that the ink is encapsulated in the laminate and is thus not capable of transfer to the paper when impacted by a printing element.
  • the width of the trailer may be adjusted to provide an adequately long trailer to insure typed interruption before the trailer is pulled from the spool of the ribbon core.
  • the length of the leader may be adjusted to provide a length of ink encapsulated ribbon to provide clean loading of the ribbon where required.
  • one of the bands of ribbon substrate from which the ink has been removed prior to attaching the leader/ trailer thereto will act as a warning of a visible nature to the operator that the ribbon end is near.
  • the operator may change the ribbon at that time without interrupting printing or can continue typing until the transparent gap interrupts printing in the normal fashion.
  • the assembly of the ribbon structure prior to slitting may be accomplished with special mechanisms by engaging the underneath or ink surface of the bulk ribbon structure transverse to the long axis of the ribbon stock with an adhesive tape and forcibly adhering the tape to the ink and pulling the tape from proximity of the ink surface thereby removing the ink from the substrate.
  • This may be accomplished readily by passing an adhesive tape around a wheel which is moveable across the width of the bulk roll of tape where the wheel can force the tape into adhesive engagement with the ink and as the wheel rolls and the tape is taken up onto a take-up apparatus, the ink is pulled from the substrate.
  • the leader/trailer foils may be pulled from separate rolls and positioned relative to the ribbon width such that the foils and ribbon will lie in substantially face to face arrangement, whereupon two platens, one on either side of the composite structure, are forced together to accomplish the sandwiching.
  • the laminated structure of the foil composites and ribbon stock may then be slit in a conventional manner.
  • foils as laminates instead of spliced-in leader and trailer assemblies maintains spliceless integrity of the ribbon for guiding, feeding and slitting and thereby insures enhanced alignment upon passage through the slitter and a reduced number of defective ribbon rolls due to skewed ribbon and pulled apart splices.
  • the apparatus and structure are such that the slitting and spooling operations are greatly enhanced due to the elimination of the need to remove a segment or span of the bulk ribbon.
  • a further advantage is that the ribbon of the invention provides a precise end of ribbon warning without the possibility of a transfer of either a partial ink layer or color from a trailer thereby spoiling the appearance of the typed copy.
  • the ribbon stock 10 comprising an impermeable substrate 12 and an ink layer 14 will pass through a leader/trailer station 16 illustrated in Fig. 1.
  • the ribbon 10 is positioned between an upper platen 18 and a lower platen 20.
  • the platens 18 and 20 are flat plates which are moveable into a position where they forcibly engage opposite sides of the ribbon 10.
  • platens 18 and 20 are withdrawn and held withdrawn by platen lift control 22 and 24. With the platens 18 and 20 withdrawn from their juxtaposed position, a space sufficient to traverse the ribbon web 10 with carrier 26 is provided.
  • Carrier 26 carries thereon at least a roller 28 around which is passed a web of adhesive tape 30 and in the disclosed embodiment carries three rollers 28 and tape 30.
  • Adhesive tape 30 is provided from supply spool 32 and accumulated after use on take-up spool 34.
  • Take-up spool 34 is powered by drive 36 to wind the consumed ribbon onto the take-up spool 34 as carrier 26 translates from left to right across the path of ribbon 10.
  • the translation of carrier 26 will place roller 28 in a position as indicated by the phantom lines with tape span 30 passing around roller 28.
  • platen 18 is lowered by platen lift control 22 to provide a solid backing for ribbon 10.
  • substrate 12 and ink layer 14 are trapped between adhesive tape 30 and platen 18 with platen 18 providing a resistive backing force against ribbon 10.
  • Carrier 26 is caused to translate from right to left by carrier drive 38 which drives the carrier in any conventional manner.
  • This drive may be a chain drive, rack and pinion drive, leadscrew drive or any other suitable approach and is not a significant basis for this invention and, therefore, need not be described in detail.
  • Foil composite 42 is formed by unreeling foil 56 and at the same time pulling therewith a tape 60 which has adhesive on both sides.
  • Foil 56 is provided with an adhesive material on one side which forms the inner surface of the wrap on its supply spool 50.
  • platen lift control 24 may be energized to raise platen 20 to trap foil composite 42 and ribbon 10 between platen 20 and platen 18 and forcibly engage the adhesive side of foil composite 42 with the ink side 14 of ribbon 10.
  • Foil composite 42 may then be severed by any conventional technique such as hot wire, shear or other severing device.
  • the structure of the leader/trailer has at this point been fabricated together with the ribbon 10 to form a composite laminate.
  • This laminate may then be passed onto subsequent processing stations such as the slitter and winder of the type manufactured by The John Dusenbery Corporation of Randolph, New Jersey,
  • the ribbon stock 10 is adhesively engaged by the adhesive tape 30 as the tape 30 passes about roller 28.
  • Rollers 28 are conveniently commonly mounted upon shaft 52 for ease in movement and control.
  • ink layer 14 is adhesively removed from substrate 12 and carried on the adhesive face of tape 30.
  • the ribbon stock 10 is as it appears in Fig. 3, greatly enlarged.
  • the channels formed into ink layer 14 are those regions of the ink material which were removed by adhesive engagement with tape 30 as described with reference to Fig. 2.
  • the carrier 26 in Fig. 1 moves toward the right to pull the tape from engagement with ink layer 14 and remove the ink layer 14 from substrate 12, it also pulls foil composite 42 transverse to the length of ribbon stock 10.
  • Foil composite 42 is illustrated in Fig. 3. There may be separate foil composites for the leader and trailer. Face 54 of foil 56 is adhesive and is positioned to engage the ink side 14 of ribbon stock 10. Where foil 56 overlies a region where the ink layer 14 has been disrupted and removed, the adhesive surface 54 of foil 56 will then engage the substrate 12 for a firm adhesive attachment. Carried on the non-adhesive face 58 of foil 56 is a double-faced adhesive tape 60. Double-faced adhesive tape 60 will adhere on one side to the non-adhesive face 58 of foil 56 and will expose the second adhesive face 62 of tape 60.
  • the leader portion 64 is primarily for purposes of attaching the end of the ribbon to the take-up spool during final assembly of the ribbon assembly.
  • the trailer 66 is primarily adapted for attachment to the supply spool with tape 60 and the extending out away from the supply spool for a finite distance of a non-inked surface on foil 56 to provide an encapsulated ink length of trailer from which printing cannot be accomplished through ink transfer.
  • the portion 64 can be lengthened to form an encapsulated ink length of ribbon for clean handling, if required.
  • the substrate 12 is transparent to translucent and with the removal of the ink layer 14 in finite bands transverse to the bulk ribbon stock 10, a window 68 of some transmissability to light is created and overlaid subsequently with foil 56.
  • This gap in the ink layer and thus the transmissability of light therethrough provides a visual warning to the operator that the end of the ink layer is imminent.
  • the length 70 of ribbon stock 10 is waste and results from characteristics of the techniques employed to slit the ribbon stock 10 and may vary from slitting machine type to slitting machine type.
  • the ribbon 10 has been wound upon the spool and the leader severed from the bulk supply of the ribbon stock.
  • the advantage of extending the foil 56 to either side of the region from which the ink layer 14 had been removed is that upon the complete sandwiching of the foil composite with the ribbon stock 10, a laminated structure results which has substantially enhanced rigidity and handling characteristics than that of the exceedingly thin film ribbon 10 by itself.
  • Fig. 6 illustrates the trailer portion 66 of the ribbon 10 adhesively attached by tape 60 to the supply spool 72, with the foil 56 extending leftward from the point of attachment and overlying the ink layer 14 to provide a non-printing surface in conjunction with the end of ribbon warning window 68.
  • the length of trailer portion 66 may be varied according to the desires of the person implementing the ribbon spool assembly and the needs of the ribbon feed mechanism upon which the ribbon assembly will be utilized.
  • take-up spool 74 is illustrated in bonding contact with the adhesive strip 60 on leader structure 64.
  • the extension of foil 56 to one or both sides of the zone from which the ink layer 14 had been removed from substrate 12 adds rigidity through the laminating characteristics to the ribbon 10.
  • the foil 56 may be enlarged to provide any desired extended length toward the supply spool. It is also possible that an additional zone of ink removal may be desirable proximate to the edge of foil 56 if the length of the leader portion 64 is extended.
  • the leader and trailer structure In addition to simplifying the assembly of the ribbon structure with trailers and leaders, the leader and trailer structure also permit substantially enhanced possibilities for full and complete automation of the assembly of the leader/ trailer composite to the bulk ribbon web 10.
  • the control of gripper control 44, drives 36 and 38, and platen lift controls 22 and 24 are all conventional automated controls and may be implemented in any one of a number of possible ways according to the desires of the implementer.
  • leader laminate section 64 it will display sufficient rigidity for automated handling and assembly, should that function be desirable from the producer's standpoint, inasmuch as substantially better handling characteristics are provided by the laminate than would be by a segment of the exceedingly thin film ribbon 10 in the absence of said laminate structure. Characteristically, the laminate provides a type of bi-metallic action wherein the end will project from the ribbon circumference in a semi-rigid fashion.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Metal Extraction Processes (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Document Processing Apparatus (AREA)
  • Joining Of Corner Units Of Frames Or Wings (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Golf Clubs (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Printers Characterized By Their Purpose (AREA)
EP82106658A 1981-09-29 1982-07-23 Anordnung eines nahtlosen Farbbandes mit Halteband und Verfahren zu seiner Herstellung Expired EP0075672B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82106658T ATE23488T1 (de) 1981-09-29 1982-07-23 Anordnung eines nahtlosen farbbandes mit halteband und verfahren zu seiner herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30679181A 1981-09-29 1981-09-29
US306791 1981-09-29

Publications (3)

Publication Number Publication Date
EP0075672A2 true EP0075672A2 (de) 1983-04-06
EP0075672A3 EP0075672A3 (en) 1984-06-06
EP0075672B1 EP0075672B1 (de) 1986-11-12

Family

ID=23186857

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82106658A Expired EP0075672B1 (de) 1981-09-29 1982-07-23 Anordnung eines nahtlosen Farbbandes mit Halteband und Verfahren zu seiner Herstellung

Country Status (9)

Country Link
EP (1) EP0075672B1 (de)
JP (1) JPS5863492A (de)
AT (1) ATE23488T1 (de)
AU (1) AU553869B2 (de)
BR (1) BR8204990A (de)
CA (1) CA1191473A (de)
DE (1) DE3274219D1 (de)
ES (1) ES277011Y (de)
MX (1) MX152423A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0613783A2 (de) * 1987-02-20 1994-09-07 Dai Nippon Insatsu Kabushiki Kaisha Kassette für Warmeübertragungsblatt
EP0955178A2 (de) * 1998-05-05 1999-11-10 Printronix, Inc. Druckbandzuführer und Erfassungssystem

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR845825A (fr) * 1938-11-29 1939-09-04 Gu Nther Wagner Ruban encré pour machines à écrire, caisses enregistreuses et similaires
US2789677A (en) * 1955-11-14 1957-04-23 Smith Corona Inc Carbon ribbon supply for typewriters
US3286808A (en) * 1964-06-05 1966-11-22 Ibm Typewriter ribbon combination

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4995716A (de) * 1973-01-19 1974-09-11
JPS5270007U (de) * 1975-11-18 1977-05-25

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR845825A (fr) * 1938-11-29 1939-09-04 Gu Nther Wagner Ruban encré pour machines à écrire, caisses enregistreuses et similaires
US2789677A (en) * 1955-11-14 1957-04-23 Smith Corona Inc Carbon ribbon supply for typewriters
US3286808A (en) * 1964-06-05 1966-11-22 Ibm Typewriter ribbon combination

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0613783A2 (de) * 1987-02-20 1994-09-07 Dai Nippon Insatsu Kabushiki Kaisha Kassette für Warmeübertragungsblatt
EP0613783A3 (en) * 1987-02-20 1994-09-21 Dainippon Printing Co Ltd Cassette for heat transfer sheet.
EP0955178A2 (de) * 1998-05-05 1999-11-10 Printronix, Inc. Druckbandzuführer und Erfassungssystem
EP0955178A3 (de) * 1998-05-05 2000-02-02 Printronix, Inc. Druckbandzuführer und Erfassungssystem

Also Published As

Publication number Publication date
DE3274219D1 (en) 1987-01-02
MX152423A (es) 1985-07-12
CA1191473A (en) 1985-08-06
JPH0260514B2 (de) 1990-12-17
ES277011Y (es) 1985-02-01
EP0075672B1 (de) 1986-11-12
JPS5863492A (ja) 1983-04-15
AU553869B2 (en) 1986-07-31
ATE23488T1 (de) 1986-11-15
BR8204990A (pt) 1983-08-02
AU8723382A (en) 1983-04-14
ES277011U (es) 1984-07-01
EP0075672A3 (en) 1984-06-06

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