WO1996001186A1 - Rubans et cartouches pour imprimantes - Google Patents
Rubans et cartouches pour imprimantes Download PDFInfo
- Publication number
- WO1996001186A1 WO1996001186A1 PCT/NZ1995/000056 NZ9500056W WO9601186A1 WO 1996001186 A1 WO1996001186 A1 WO 1996001186A1 NZ 9500056 W NZ9500056 W NZ 9500056W WO 9601186 A1 WO9601186 A1 WO 9601186A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ribbon
- ribbons
- cartridge
- workstation
- heat
- Prior art date
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
- B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
- B29C65/222—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
- B29C65/228—Heated wire resistive ribbon, resistive band or resistive strip characterised by the means for electrically connecting the ends of said heated wire, resistive ribbon, resistive band or resistive strip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
- B29C66/0042—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined
- B29C66/0044—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined using a separating sheet, e.g. fixed on the joining tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/032—Mechanical after-treatments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
- B29C66/4324—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms for making closed loops, e.g. belts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
- B29C66/8182—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects
- B29C66/81821—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects of the welding jaws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
- B29C66/8187—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the electrical insulating constructional aspects
- B29C66/81871—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the electrical insulating constructional aspects of the welding jaws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
- B29C66/91421—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
- B29C66/91651—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
- B29C66/91653—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating by controlling or regulating the voltage, i.e. the electric potential difference or electric tension
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
- B29C66/9161—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux
- B29C66/91651—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating
- B29C66/91655—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the heat or the thermal flux, i.e. the heat flux by controlling or regulating the heat generated by Joule heating or induction heating by controlling or regulating the current intensity
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- 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
- B41J31/14—Renovating or testing ink ribbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/009—Shaping techniques involving a cutting or machining operation after shaping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
- B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
- B29C65/226—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip characterised by the cross-section of said heated wire, resistive ribbon, resistive band or resistive strip, e.g. being triangular
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
- B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
- B29C65/229—Heated wire resistive ribbon, resistive band or resistive strip characterised by the means for tensioning said heated wire, resistive ribbon, resistive band or resistive strip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
- B29C66/8122—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
- B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
- B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
- B29C66/91231—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature of the joining tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/767—Printing equipment or accessories therefor
- B29L2031/7674—Ink ribbons
Definitions
- This invention relates to the field of office stationery and more particularly to the repair and replenishment of ribbon cartridges for impact printers such as typewriters and computer printers.
- Typewriter, teleprinter, and the like ribbons used to be sold on open reels.
- a ribbon was to be replaced it was wound onto one reel which was discarded, then a new full reel was inserted and the ribbon as threaded across to the old empty reel.
- the inconvenience of this was overcome recently for typewriters and was adopted for printers for computers by providing the ribbon inside a cartridge or ready-to-use box, so that a replacement ribbon could be installed simply by locating the cartridge (with internal ribbon feed mechanism) inside the printer or typewriter so that the ribbon fed between the paper and the impact printing head.
- Endless nylon ribbons are widely used in home and business applications as only impact printers can cope with multi-part forms and in this respect at least have an advantage over those printers that use an xerographic process- such as laser printers.
- Dot-matrix printers are inherently cheap. The printing costs associated with a particular printer relate in part to the frequency of replacement of the ribbon. If a new cartridge assembly is bought, it tends to be expensive and as there are over 415 kinds of cartridge in use in New Zealand, stocks may be difficult to come by from time to time. There is therefore a new industry which takes old cartridges on a return or replacement basis and either re-inks the ribbon, leaving the old textile in place, or replaces the ribbon with a new, inked ribbon. This industry generally makes use of ultrasonic welding of ribbons where ribbon joining is carried out.
- Ribbon joining has been relatively difficult to perform with previously available equipment. Inconsistent joins result in inconvenient downtime for printers, repeating print runs (which can be highly frustrating), and the like. Getting the right combination of time, heat, and applied pressure to provide a suitable combination of strength, thickness, flexibility and ink holding power has hitherto been difficult. As the previous equipment was large and not portable, there is a need to make a smaller, portable ribbon joining device which provides consistent reliable effective joints.
- the present invention seeks to provide a better service in this area.
- the invention provides a portable workstation for use in replacing inked ribbons made of plastics materials in impact printer cartridges and the like, including (a) means to dispense ribbons, (b) means to measure the new ribbon supplied, (c) means to trim off any surplus ribbon at newly made joints, and (d) make effective joints in ribbons.
- a motor drive is provided for turning at least one drive wheel of a cartridge.
- the ribbon joining device is a compact heat-sealing device.
- it may be a device using an adhesive to form the joint.
- the ribbon joining device uses a combination of pressure and conducted heat from an electrically heated wire to fuse a narrow zone of the ribbon.
- the applied heating current and the duration of the current can be controlled closely in order to make a suitable joint.
- the space within which the ribbons are heated together has closely controlled dimensions.
- the invention provides a cutting plate for use in trimming off cut edges from a joined ribbon.
- the invention provides a method for replacing a ribbon in a cartridge comprising the steps of:-
- thermoplastic ribbons comprising the steps of:
- the invention provides a method for monitoring the usage of new ribbons by periodically reading the counters on the metered dispensers.
- Alternatively usage can be monitored by measuring the length of dispensed ribbon material.
- Fig 1 is an illustration of a portable workstation for use in replacing ribbons.
- Fig 2 is a cross section of a heat sealing device of the present invention.
- Fig 3 is an illustration of a joined ribbon and of a holder for tripping free ends away from a join.
- Fig 4 is a diagrammatic illustration of a joined ribbon in microscopic cross-section.
- Fig 5 is an illustration of an AC control circuit for the present invention.
- Fig 6 is an illustration of a DC control circuit for the present invention.
- Fig 7 is a plan view of a preferred portable workstation for the present invention.
- Fig 8 shows details of the metering rollers for the preferred workstation of the present invention.
- Fig 9 shows details of one preferred resistance wire mounting of the present invention.
- Fig 10 shows details of the preferred control circuit of the present invention.
- the first is a smaller, single suitcase holding a variety of ribbons, and is more suited to small-scale work with domestic printers having small cartridges.
- the second example is adapted for use with printer cartridges up to nearly 800 mm long, as found in some line printers, and is carried about within two cases; one being lined to protect the ribbons within from environmental and particularly thermal effects; the other containing the electrical motor controller and the ribbon joining equipment.
- Both embodiments and indeed any other which embodies the principles of this invention would preferably use a good quality pre-inked ribbon.
- One supply of such ribbon material is known as "Type 818".
- FIG. 1 A portable workstation for use in replacing ribbons is shown in Figure 1.
- the suitcase 100 contains two major components, namely:
- the suitcase can also hold a motor drive 107 to facilitate feeding of ribbons, and optionally it may also hold various tools and a repository for waste ribbon.
- the motor drive 107 is shown here as a hand-held device rather like a cordless screwdriver, containing a battery and a motor and a driving spindle equipped with a general-purpose coupling tip that can be engaged with the take up spools or other ribbon advance devices of most if not all types of printer cartridge.
- a preferred drive may include rechargeable batteries and its housing may include connectors (not shown) to resupply energy whenever it is not in use.
- the ribbon dispensers are shown as a row of slots, from each of which a length of ribbon extends and may be seized for consumption when the workstation is in use. There are at the moment 14 different sized ribbons in use. The number of dispensers illustrated at 106 may suffice for installations using small printers. The widest ribbons are generally limited to high-speed computer printers - where Example 2 is more appropriate. Under one mode of use, the meter dials beside each slot may be used to indicate actual consumption and hence the charge to the customer.
- This method should ensure that the new ribbon is stored within the cartridge in the same way that the old ribbon was stored, which is commonly in zigzag form between the upper and lower walls of the cartridge which are conveniently about the same distance apart as the ribbon is wide. If the original ribbon was configured as a M ⁇ bius strip with a half-turn before joining, the new ribbon should follow the course of the old ribbon and emerge with any such twists already in place.
- One of the problems we faced was to provide a suitable method for providing a join. Apart from the obvious requirements, namely to provide a joint that can pass through an impact printer without disrupting either the ribbon feed mechanism or the quality of printing, it is preferable to use a joining process that is quick and safe and cheap, does not require much ancillary equipment, and does not cause radiation of electrical or chemical pollution. Other methods such as ultrasonic heating have been found to be unsuitable for use in a portable workstation; size and price being major objections.
- the apparatus 200 is shown in section as Fig 2.
- the bulk of the upper and lower jaws are preferably made from a heat-resistant electrically insulating material such as "Paxolin" a type of urea-formaldehyde resin. If an aluminium bar or the like is used construction is more complex as extra insulation is required for the mounting of the electrically heated wires.
- the jaws 202, 203 are provided with insets which are lengthwise oriented thermal insulation strips 204 which can withstand heat and against which the heated wires are laid. Ceramic or composite materials are examples of suitable inserts.
- a heatable wire 206 is aligned along the length and on the inner surface of each jaw. The wire is covered by a layer 207 of (preferably) a PTFE-glass fibre tape (e.g.
- TM "Taconic” (TM)) which serves to carry heat yet prevent the melted plastic of the ribbons 208, 209 from sticking to the jaws. Note that in the drawing we have lifted the PTFE/glass tape upwards for clarity. As the thickness of each ribbon is about 120 microns, we have provided a controlled geometry to the heated space so that the melted ribbon is forced to assume a thickness of about 140 microns by including raised metal stops at each end of the jaws. These stops are of a height sufficient to provide the desired clearance of about 140 microns for the ribbons to be fused together. A reasonably precise clearance gives the heat-sealing process enough precision to form reliable joints which do not jam in the cartridge or in the printer during use.
- the heated wire 206 is shown as a flat tape preferably about 1 to 1.5 mm wide, it may be preferable to provide it with a round cross-section to better use the heat radiated sideways to create a more gradual transition between melted and unmelted material.
- a preferred material for any heated wire is Nichrome.
- the wires are mounted under a slight tension by means of spring holders at both ends of each wire so that they remain in place even when heated and the wire lengthens slightly by thermal expansion.
- thermoplastic ribbons comprising the steps of:
- a second portable workstation for use in replacing ribbons is shown from above (plan view) in Figure 7.
- the suitcase 700 which is about 800 x 300 mm in internal capacity when opened out, opens into two working halves and in contrast to Example 1, a second case 730 is used to carry bulk pre-inked ribbon material.
- the suitcase 700 contains on its left side the electronic controls 702 and the motor drive 704 (carried from place to place lying in the recess 703, and on the right side it holds the precision heat sealer 720 and a metering roller assembly 721 which can be carried about when placed in its recess 722.
- a jig for cutting free ends of joined ribbons can also be carried about in the recess.
- the control surface populated with controls and indicators, is about 400 mm wide and 300 mm from front to back and the rear portion, which is regarded as a work surface is clear.
- the device is generally used with the suitcase opened out flat and placed upon a table. Note that a number of preferred rubber feet (not shown) are provided so that the device or case will not scratch furniture.)
- a power lead may be connected to either a mains supply or a DC supply depending on availability.
- the motor 704 which is mounted upon a support rod so that it is raised above the work surface and which may be mounted in any one of several different orientations) is powered by a flying lead from the socket 705.
- the control knobs and displays include 706 (Heat timer)
- Displays 708 and 710 are provided with count pulses by the roller assembly 721.
- Fig 8 shows in elevation view more details of the metering roller assembly.
- Each metering roller has a circumference of 100 mm and is provided with a revolution sensor preferably in the form of an aperture 809 made through a flange 810 together with a slotted optical switch device which can sense the presence of an aperture through the flange once in every revolution.
- revolution sensors such as combinations of magnets and flux sensors such as magnetostrictive or Hall effect sensors, or even a bump and a nearby microswitch can be used as a revolution counter.
- each count increment shown on the display 710 corresponds to 100 mm of ribbon.
- control surface is about 400 mm wide and 300 mm from front to back.
- rear portion is regarded as a work surface for ribbons traversing from the rollers to the cartridge, and the front surface carries the ribbon sealing mechanism.
- the roller assembly of Fig 8 is carried on a support 721 which may be placed in the recess 722 when not in use.
- the roller assembly is supported on a plate 806 and comprises a main metering roller 801, having a known circumference, and a flange including a revolution transducing device, (the aperture 809).
- Pinch rollers Pinch rollers
- the dotted line 804 represents a new ribbon being pulled from the supply box 730 into a cassette by the motor 704, and the doted line 805 represents a discarded ribbon being pulled from the cartridge and into a waste container (not shown).
- a second metering roller 808, with a pinch roller 807, may also be provided.
- the ribbon dispenser of this example simply comprises a thermally insulated but openable box 730, lined with a suitable insulating material and preferably sealed with a smooth inner surface to facilitate cleaning, for it is to carry inked ribbons, and within it is preferably placed a bank of reels 731 on which are supported a number of spools of various sizes of pre-inked ribbon.
- One ribbon 732 is shown extended towards the roller assembly.
- the thermal insulation is provided because of the high temperatures that the inside of a car, or its luggage boot, may reach in summer weather, which would cause deterioration of the ribbons.
- the cartridge which has not been opened up, is now equipped with a new inked ribbon and is ready for use.
- this method should ensure that the new ribbon is stored within the cartridge with the same mode of packing used for the old ribbon.
- the precision heat sealing device 720 is preferably placed at an angle of 45 degrees to the side of the box and will seal the ribbon at a preferred 45 degree slant.
- the construction of the heat sealing device is similar to that of the first example, except that we have amended the mounting of the wires as shown in Fig 9.
- Fig 9 is a side view of one end of one jaw 900 of the heat joiner.
- 907 is an electrical lead to the connecting post 905 which is mounted within the material of the jaw 907.
- the mounting for the post may be either a hole or a threaded hole (if a brass bolt is used as the post.
- This may itself be made of spring steel or the like. It is preferably mounted on a base 909. A corresponding mount is also used at the other end of the wire 903.
- the resistance wire is held in close contact with the end of the post 905 at which point the electric power passes from the post to the wire.
- the post preferably made of brass
- the wire tends not to heat up and oxidise over the post.
- This heat sealing or ribbon joining device is again constructed to leave a gap of about 140 microns when firmly closed by including metal stops at each end of the jaws. These stops are of a height sufficient to provide the desired clearance of about 140 microns for the ribbons to be fused together.
- Fig 10 illustrates a circuit diagram 1000 for the preferred control electronics of the invention.
- 1023 is the positive supply voltage bus
- 1025 is. an internal 12-volt regulated bus (regulated by three-terminal regulator 1016)
- 1024 is a ground, or reference bus.
- Switches 1002 and 1003 forward, and reverse motor drive, respectively, are coupled to switch 1001 joined to the stepping motor board 1005.
- the commercial board also includes a speed control 1004 and four outputs to a stepping motor at 1006. This stepping motor is the one used to advance ribbon into and through the cartridge.
- the other commercial board, 1007 is a metering board used for counting the amount of ribbon dispensed (in terms of revolutions of a pulley gripping the ribbon).
- Counter 1008 is a rewind ribbon counter.
- Counter 1009 is a total in/out counter.
- Item 1010 is the amplifier for the metering transducer. It is also joined to a preset in/out counter 1011, which may be used to predetermine the amount of ribbon to be dispensed.
- Counter 1012 counts the total number of cartridges processed; it is made to increment by the adjacent press-button switch.
- Relay 1013 is an auto-stop relay (acting on contacts at top left of the motor board 1005).
- R2 is a manual stop relay (its contacts also acting on contacts at top left of the motor board 1005).
- Switches 1019 set the board in "auto" mode, and switches 1020 set the board in its manual mode of operation.
- the actual welding control is shown at 1017; a timer, and a "start" button 1018. These close the relay 1026 which causes a suitably high current to pass through the resistance wire of the heater for a predetermined interval.
- the voltmeter 1022 is linked to the 12V bus through a resistor network. Although this circuit provides no control via the voltmeter and an analogue setting of heater current, other embodiments may do so. In this case we prefer to establish a "hotness" by judicious choice of resistance wire and applied voltage, and closely control the duration of the application of current. Other versions may control both duration and temperature.
- the circuit of Fig 10 does not show conventional power supplies used to activate these components and the heater itself from an input mains or battery supply.
- a joined ribbon has an appearance similar to that of Figs 3 and 4.
- a joint may resemble the section in Fig 4, where 402 represents a single weft fibre, the join 401 has been heated thereby compressing and fusing the fibres therein, and 403 is a trimmed edge which has been cut off the joint using a cutting device 405 to trim or plane the ribbon against a flat holder incorporating a narrow slit 406 through which the ribbon is passed until the holder holds the ribbon at the joint.
- Fig 4 does not show any weft fibres of the ribbon which would for example occupy the space between the two separated lines of fused fibres at 401.
- Fig 4 is not to scale in that the length axis is foreshortened for simplicity.
- a cutting device for use in trimming off cut edges from a joined ribbon as a part of the tools supplied with each workstation.
- This comprises a (preferably metal) rectangular block 304, 313 which has a smooth upper surface formed from two knife blades 307, 309 lying with their (slightly dulled) sharp edges, which are preferably about 100 mm long) placed parallel to each other and separated by about 140 microns to form a slit 308.
- the upper surfaces are flat as indicated in the section at 311 (taken along 310-310) to facilitate the cutting operation.
- a resulting joint made by our precision heat joining device appears to be almost as strong as intact ribbon and in our experience is far superior to joints made by other methods, such as ultrasonic welding.
- the joint offers no substantial projections to engage with parts of the cartridge or the printer.
- Figs 5 and 6 we provide two simplified circuits for providing bursts of current to the joining device.
- Fig 5 is an illustration of an AC control circuit for the present invention, suitable for use when a mains supply is available
- Fig 6 is a DC control circuit for the present invention, which may be used with an AC input and a rectifier, or with a battery supply such as a motor cycle battery or a nickel-cadmium battery stack.
- Plug 501 of Fig 5 is a conventional mains plug.
- the phase wire (alternatively the neutral wire) from it includes (a) a timer device 502 and a current control 503.
- the modulated supply is fed through a transformer 504 to step the voltage down to a few volts as is required for appropriate heating of the length of resistance wire 505 and 506 involved.
- a preferred mode of use is to vary the voltage using the control 712 so that the rectified voltage as detected at the meter 711 is within narrow limits.
- 105 is a power on-off switch
- 104 is a control rheostat (which may actually control a TRIAC or silicon controlled rectifier)
- 103 is a meter to indicate the actual power level as a result of operation of the control 104.
- the timer 502 is preferably a preset timer and is preferably activated to close its internal connection by pressure on a momentary switch adjacent to the handle of the upper jaw 102.
- the circuit of Fig 6 assumes a DC input at 601, which may be obtained from the mains by a stepdown transformer and a rectifier, or a switched-mode power supply for greater lightness, or may be obtained from a storage battery.
- This circuit provides a current regulation function using the sense resistor Rl (603) to convert the heating current into a control voltage carried in the line 607, which is passed through the timer 602 when it is timing an interval ⁇ t, to control the amount of current passed by the constant-current supply 604.
- This circuit has inherent temperature regulation thanks to the thermal coefficient of resistance of a metal when heated, so that the wires 605 and 606 can act as their own temperature sensors and so provide some temperature regulation.
- Portability it is light, small and self-contained, can be powered by the mains or a battery and so can be taken to any site for ribbon replacement beside the printing device. This allows it to be used in a service where the ribbon replenisher is taken to the point of use, rather than mailing cartridges to a replenishing location.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Impression-Transfer Materials And Handling Thereof (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU26852/95A AU2685295A (en) | 1994-07-01 | 1995-06-20 | Printer tapes and cassettes |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ260921 | 1994-07-01 | ||
NZ26092194 | 1994-07-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996001186A1 true WO1996001186A1 (fr) | 1996-01-18 |
Family
ID=19924836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/NZ1995/000056 WO1996001186A1 (fr) | 1994-07-01 | 1995-06-20 | Rubans et cartouches pour imprimantes |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU2685295A (fr) |
WO (1) | WO1996001186A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19960697A1 (de) * | 1999-12-16 | 2001-06-21 | Robert Kappenstein | Verfahren zur wiederholten Nutzung einer Farbbandkassette für einen Thermotransferdrucker |
US7179209B2 (en) | 2000-03-06 | 2007-02-20 | Cybex International, Inc. | Functional trainer |
US7608024B2 (en) | 2000-03-06 | 2009-10-27 | Cybex International, Inc. | Multiple exercise apparatus having an adjustable arm mechanism |
EP3869063A1 (fr) * | 2020-02-21 | 2021-08-25 | David Vilanova Fabrega | Dispositif de formation de bande möbius, machine de formation utilisant le dispositif de formation et procédure de formation de chaîne textile |
US20220063851A1 (en) * | 2020-08-28 | 2022-03-03 | Liljendals Bruk Ab | Automatic-strap-feeding system for feeding strap into a strapping machine |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3111441A (en) * | 1956-03-20 | 1963-11-19 | Wagner Guenter | Method of producing an endless typewriter ribbon |
AU8308082A (en) * | 1981-07-23 | 1983-01-27 | Regentrop & Bernard Gmbh | Unfilled tape cassette |
EP0120568A1 (fr) * | 1983-03-14 | 1984-10-03 | Paul E. Becking | Dispositif pour souder des rubans infinis arrangés en boucles |
JPS63132030A (ja) * | 1986-11-21 | 1988-06-04 | Seidensha Denshi Kogyo Kk | エンドレスリボンの製造装置 |
JPS63132031A (ja) * | 1986-11-21 | 1988-06-04 | Seidensha Denshi Kogyo Kk | リボン溶着整形装置 |
EP0480613A2 (fr) * | 1990-10-09 | 1992-04-15 | Paul E. Becking | Dispositif et procédé de soudage d'un ruban par recouvrement |
AU1069795A (en) * | 1993-12-03 | 1995-06-19 | Refil Oy | Method and apparatus for reinking a printer ribbon |
-
1995
- 1995-06-20 AU AU26852/95A patent/AU2685295A/en not_active Abandoned
- 1995-06-20 WO PCT/NZ1995/000056 patent/WO1996001186A1/fr active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3111441A (en) * | 1956-03-20 | 1963-11-19 | Wagner Guenter | Method of producing an endless typewriter ribbon |
AU8308082A (en) * | 1981-07-23 | 1983-01-27 | Regentrop & Bernard Gmbh | Unfilled tape cassette |
EP0120568A1 (fr) * | 1983-03-14 | 1984-10-03 | Paul E. Becking | Dispositif pour souder des rubans infinis arrangés en boucles |
JPS63132030A (ja) * | 1986-11-21 | 1988-06-04 | Seidensha Denshi Kogyo Kk | エンドレスリボンの製造装置 |
JPS63132031A (ja) * | 1986-11-21 | 1988-06-04 | Seidensha Denshi Kogyo Kk | リボン溶着整形装置 |
EP0480613A2 (fr) * | 1990-10-09 | 1992-04-15 | Paul E. Becking | Dispositif et procédé de soudage d'un ruban par recouvrement |
AU1069795A (en) * | 1993-12-03 | 1995-06-19 | Refil Oy | Method and apparatus for reinking a printer ribbon |
Non-Patent Citations (2)
Title |
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DERWENT ABSTRACT, Accession No. 88-194302/28, Class P75; & JP,A,63 132 030 (SEIDENSHA DENSHI KO) 4 June 1988. * |
DERWENT ABSTRACT, Accession No. 88-194303/28, Class P75; & JP,A,63 132 031 (SEIDENSHA DENSHI KO) 4 June 1988. * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19960697A1 (de) * | 1999-12-16 | 2001-06-21 | Robert Kappenstein | Verfahren zur wiederholten Nutzung einer Farbbandkassette für einen Thermotransferdrucker |
US7179209B2 (en) | 2000-03-06 | 2007-02-20 | Cybex International, Inc. | Functional trainer |
US7503882B2 (en) | 2000-03-06 | 2009-03-17 | Cybex International, Inc. | Functional trainer |
US7608024B2 (en) | 2000-03-06 | 2009-10-27 | Cybex International, Inc. | Multiple exercise apparatus having an adjustable arm mechanism |
EP3869063A1 (fr) * | 2020-02-21 | 2021-08-25 | David Vilanova Fabrega | Dispositif de formation de bande möbius, machine de formation utilisant le dispositif de formation et procédure de formation de chaîne textile |
WO2021165186A1 (fr) * | 2020-02-21 | 2021-08-26 | David Vilanova Fabrega | Dispositif de formation de bande de möbius, machine de formation utilisant le dispositif de formation et procédé de formation de chaîne textile |
US20220063851A1 (en) * | 2020-08-28 | 2022-03-03 | Liljendals Bruk Ab | Automatic-strap-feeding system for feeding strap into a strapping machine |
US11827395B2 (en) * | 2020-08-28 | 2023-11-28 | Signode Finland Oy | Automatic-strap-feeding system for feeding strap into a strapping machine |
Also Published As
Publication number | Publication date |
---|---|
AU2685295A (en) | 1996-01-25 |
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