US3037879A - Re-usable ink-releasing elements and process of making - Google Patents

Re-usable ink-releasing elements and process of making Download PDF

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Publication number
US3037879A
US3037879A US84193159A US3037879A US 3037879 A US3037879 A US 3037879A US 84193159 A US84193159 A US 84193159A US 3037879 A US3037879 A US 3037879A
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Prior art keywords
foundation
volatile
solvent
layer
ink
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English (en)
Inventor
Douglas A Newman
Allan T Schlotzhauer
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Columbia Ribbon and Carbon Manufacturing Co Inc
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Columbia Ribon And Carbon Mfg
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Priority to US84193159 priority Critical patent/US3037879A/en
Priority to CH8070559A priority patent/CH428806A/de
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Publication of US3037879A publication Critical patent/US3037879A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/10—Duplicating or marking methods; Sheet materials for use therein by using carbon paper or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/914—Transfer or decalcomania
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249994—Composite having a component wherein a constituent is liquid or is contained within preformed walls [e.g., impregnant-filled, previously void containing component, etc.]
    • Y10T428/249995—Constituent is in liquid form
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249994—Composite having a component wherein a constituent is liquid or is contained within preformed walls [e.g., impregnant-filled, previously void containing component, etc.]
    • Y10T428/249995—Constituent is in liquid form
    • Y10T428/249996—Ink in pores
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/266—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
    • Y10T428/273—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.] of coating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y10T428/31797—Next to addition polymer from unsaturated monomers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31928—Ester, halide or nitrile of addition polymer

Definitions

  • Plastic films are known which have excellent appearance, strength and resilience but their use as foundations in the transfer sheet art has been limited due to the fact that these plastic foundations have such a smooth surface as to provide substantially no tooth or adhesion for the imaging layer. The result is that the imaging layer transfers under pressure substantially completely in what is known as a stenciling manner. Thus the transfer sheets can be used only once and are for this reason relatively expensive and burdensome.
  • FIGURES 1 and 2 are diagrammatic cross-sections, to,
  • the element of FIG. 1 comprises a film foundation of plastic material which is at least partly soluble in the volatile solvent used to apply the resinous ink-releasing layer.
  • the element of FIG. 2 comprises any flexible foundation such as paper or plastic film which carries a binder layer of plastic material which is at least partly soluble in the volatile solvent used to apply the resinous ink-releasing layer.
  • FIG. 3 is a flow sheet illustrating alternative processes for preparing the transfer elements of FIGS. 1 and 2.
  • the components of the ink-releasing layer are mixed to a uniform coating consistency. They are then spread evenly as a thin layer over either a plastic film foundation or over a plastic binder layer which is carried by a suitable flexible foundation.
  • the plastic film or binder layer comprises a plastic which is at least partly soluble in the volatile solvent of the applied ink-releasing layer. Next the volatile solvent is evaporated to form the novel transfer elements of the present invention.
  • any desired plastic film foundation may be employed such as cellophane, cellulose esters such as cellulose acetate and cellulose triacetate; hydrocarbon polymers such as polyethylene and polypropylene; unsaturated polymers such as polystyrene, polyvinyl fluoride, commercially available under the name Teslar, polyvinyl chloride, polyvinylidene chloride, commercially available under the name Saran, polyvinyl acetate, vinyl chloride-vinyl acetate copolymers of the Vinylite series such as Vinylite VYHH; polyester res-ins such as polyethylene terephthalate, commercially available under the name Mylar, as well as many others.
  • cellophane cellulose esters such as cellulose acetate and cellulose triacetate
  • hydrocarbon polymers such as polyethylene and polypropylene
  • unsaturated polymers such as polystyrene, polyvinyl fluoride, commercially available under the name Teslar, polyvinyl chloride, polyviny
  • the surface of these films may be frosted in any known to curling, cut-through, etc.
  • Other polymers having good strength qualities found particularly useful in the preparation of typewriter ribbons include cellulose acetate, oriented polyethylene, oriented polypropylene, oriented styrene and polyvinyl fluoride (Teslar).
  • unsaturated polymers such as polyvinyl chloride, polyvinyl fluoride, polyvinyl acetate, vinyl chloride-vinyl acetate copolyrners of the Vinylite series such as Vinylite VYHH and VYLF, polyvinyl butyral, polyacrylic acid, polystyrene, polyvinylidene chloride (Saran), and others; hydrocarbon polymers such as polyethylene and polypropylene; polyurethanes obtained by reacting an isocyanate such as toluene di-isocyanate with a hydroxyl-containing compound such as an alkyd resin or a glycol; polyamides such as alcohol-soluble nylon, a well as many others, may be used.
  • unsaturated polymers such as polyvinyl chloride, polyvinyl fluoride, polyvinyl acetate, vinyl chloride-vinyl acetate copolyrners of the Vinylite series such as Vinylite VYHH and VYLF, polyvin
  • the pore-forming layer may be applied to the'filrn base in any desired manner;
  • the resinous pore-forming material together with the non-volatile, non-solvent component and pigment or dye are dissolved in a suitable solvent such as a 3:1 mixture of ethyl acetate and toluol and the mixture ground to a suitablecoating viscosity.
  • a suitable solvent such as a 3:1 mixture of ethyl acetate and toluol
  • the mixture is then spread evenly over the plastic film base by suitable coating apparatus and allowed to cool and harden by evaporation of the volatile ingredients to form a smooth, pressure-transferable ink-releasing sheet or ribhem of the type disclosed. It has been found advantageous to heat the final sheet or ribbon for a short time to a temperature of 150 C. or above to fusethe layers and provide a smudge-free product.
  • non-volatile mineral, vegetable and animal oils are found most satisfatcory, such as naphthenic mineral oil, neats-foot oil, refined rapeseed oil, cottonseed oil, peanut oil, castor oil, olive oil, sperm oil, etc.
  • Materials such as butyl stearate, lanolin, petrolatum and hydrogenated vegetable oils such ascottonseed oil have been used successfully, particularly in admixture. with the above-named. oils.
  • the resinous pore-forming material may be compounded and applied using small amounts of volatile components.
  • the resinous material such as Vinylite VYHH or VYNC may be suspended as a finely divided dispersion in an organic liquid vehicle containing minor amounts of a volatile dispersing liquid, in which case the dispersion is called an organosol.
  • Such dispersions may be compounded in any conventional manner and are described by Schildknecht in Vinyl and Related Polymers (1952) at page 434 and following.
  • Such dispersions contain a plasticizer such as di-(Z-ethylhexyl) phthalate, dioctyl sebacate and dibutoxyethyl phthalate which act as dispersing agents at room temperatures and keep the resin at a coatable consistency and which act as solvents at eleusing volatile solvents. This is important in cases where it is desired to avoid the hazards of using large amounts of volatile solvents.
  • a plasticizer such as di-(Z-ethylhexyl) phthalate, dioctyl sebacate and dibutoxyethyl phthalate
  • an increased attraction of the overlayer for the foundation may be effected by first coating the Mylar with a thin, homogeneous, continuous layer of Vinylite VYHH which contains no incompatible non-volatile component. Then when a solvent mixture of the spongy overlayer is applied, the solvent parti-ally attacks the binding layer because of its mutual solubility and a strong bond results.
  • a homogeneous, continuous film of any of the materials used as the components of the pore-forming layer mentioned prior may be used in the absence of any incompatible non-volatile materials.
  • Parts by weight Amount suflicient to render the mixture readily coatable Usually between 45 and 120.
  • compositions are applied in such amounts that, upon evaporation of the solvent, there remains about from 1.5 oz. per 20" X 30" X 500 sheets to about 24 oz. per 20" x 30 X 500 sheets.
  • range of coating can vary from about 0.06 oz. per 1000 feet to about 1 oz. per 1000 feet. It should be understood, however, that variations in these amounts may be made Where the need dictates.
  • Example I Ingredients: Pants by weight Solid base, soft vinyl chloride-acetate copolymer (Vinylite VYHH) 85-88% vinyl chlo- Solid base, polyvinyl butyral (V inylite XYSG) Non-volatile, non-drying softener- Lanolin 14.4
  • Solid base polyvinyl acetate (Vinylite AYAF) 10
  • Non-volatile, non-drying softener fatty acid
  • Example VII Ingredients:
  • Solid base soft vinyl chloride-acetate copolymer (Vinylite VYHH) 10 Non-volatile, non-drying softener Petrolatum 10 Refined rapeseed oil 8.3 Coloring matter, alkali blue 8.3 Volatile solvents Toluol 15 Ethyl acetate 52
  • Example VIII Ingredients Solid base, soft vinyl chloride-acetate copolyrner (Vinylite VYHH) 10 Non-volatile, non-drying softener- Hydrogenated cottonseed oil 10 Mineral oil 8.3 Coloring matter, alkali blue 8.3 Volatile solvents Toluol 15 Ethyl acetate 52
  • Example IX Ingredients Solid base, soft vinyl chloride-acetate copolymer (Vinylite VYHH) 1O Non-volatile, non-drying softener, lanolin 22 Coloring matter- Carbon black 2.9 Alkali blue 2.1 Volatile solvents Toluol 13.8 Ethyl acetate 54.4
  • the polymer, softeners and coloring matter are ground together, e.g. in a warm ball mill, until a smooth, uniform consistency is reached.
  • Other colors may be added or substituted as desired, either dry or in oil suspension, to intensify the color or change the hue.
  • the alkali blue, carbon black, or other coloring matters or pigments are preferably first dispersed in at least an equal weight of the mineral oil or other non-volatile, non-drying softener to simplify their addition to the mixture, this softener of course being included in computing the total amount permissible in the mixture as above indicated.
  • the volatile ingredients which may be any suitable solvents for the polymer andsoftener are then added in spar/ere an amount sufficient to give a composition having suitable viscosity for coating at room temperature, and ground with themixture fo a uniform consistency.
  • the mixture is then spread evenly on the foundation film by suitable coating apparatus and allowed to cool and to harden by evaporation of the volatile ingredients to form a smooth pressure-transferable carbon coating having the properties described in detail heretofore.
  • the softening ingredients which are non-solvents for or non-miscible with the polymer carrier, are uniformly distributed throughout the polymer composition, and when the composition is coated upon the Mylar, Vinylite VYHH or polyvinyl chloride foundations and the volatile components are evaporated, the softening ingredients form a discontinuous phase Within the polymer, thereby forming a cellular or spongelike film.
  • the coloring matter added to the composition appears to be distributed through the solidified film primarily, although probably not entirely, in the discontinuous phase.
  • the film of porous polymer releases the softeners and coloring matter in image form to an adjacent copy paper sheet.
  • the non-volatile, non-drying softeners function not only to modify the consistency of the polymer and render the latter suitable as a binder for a pressure-transferable carbon paper coating, but in addition they also function as primary color-carrying vehicles in the coating.
  • any of the aforementioned pore-forming materials may be substituted for any of the polymers of the above examples with slight variations being made with respect to the solvents and non-volatile components used depending upon the solubility of the pore-forming material and the solubility of the plastic film foundation.
  • the film foundation may first be coated with an adhesive binding layer consisting of a homogeneous, continuous film of any of the resinous materials used in the pore-forming layer, but in the absence of incompatible, non-volatile components; This provides an underlayer which may be attacked by the solvent of the pore-forming layer in the aforesaid manner.
  • Process of'preparing non-stenciling, re-usable pressure-sensitive ink-releasing elements which comprises coating a flexible foundation with an overlayer of a continuous plastic film as an adhesive middle layer to form the Working surface of said foundation, and overcoating said middle layer with a top layer of resinous composition comprising a resin, a non-volatile component which is a non-solvent for the resin, a volatile component which is a solvent for said resin and at least a partial solvent for the plastic of said middle layer, and a quantity of imaging material, and allowing said volatile component to evaporate whereby is formed a porous, spongy, inkreleasing element, said top' layer being firmly bonded to the Working surface of said foundation due to a partial dissolving thereof by the volatile solvent prior to evaporation.
  • Process of preparing non-stenciling, re-usable pressure-sensitive ink-releasing elements which comprises coating 21 plastic film foundation on its working surface with a layer of resinous ink composition comprising a resin, a non-volatile component which is a non-solvent for said resin, a quantity of imaging material and a volatile solvent for said resin which is also at least a partial solvent for the working surface of said foundation, and allowing said layer to set by evaporation of said solvent whereby is formed as the continuous phase a porous, substantially nonpressure-transferable layer of said resin firmly bonded to the working surface of said foundation and containing as the discontinuous phase a pressuretransferable mixture of said non-volatile component and said imaging material.
  • the plastic film foundation consists of a plastic film which is at least partially soluble in the volatile solvent of the resinous ink composition.
  • plastic film foundation consists of polyethylene terephthalate bearing a'layer of synthetic resin which is at least partially soluble in the volatile solvent of the resinous ink composition and which forms the working surface of said foundation.
  • the resinous ink composition comprises 10 parts by weight of vinyl resin, from 7.5 to parts by weight of non-volatile component, from 3 to 75 parts by Weight of imaging material and from to 120 parts by weight of volatile solvent.
  • a non-stenciling, re-usable pressure-sensitive inkreleasing element comprising a plastic film foundation having an ink layer bound to the working surface thereof, said ink layer comprising the residue of a coating composition comprising a resin, a non-volatile component which is a non-solvent for said resin, imaging material and a volatile solvent for said resin which is also at least a partial solvent for the working surface of said foundation, after evaporation of said solvent, said ink layer comprising as the continuous phase a porous, substantially non-pressure-transferable layer of said resin and containing as the discontinuous phase a pressuretransferable mixture of said non-volatile component and said imaging material, said ink layer being firmly bonded to the working surface of said foundation due to a partialdissolving thereof by the volatile solvent prior to evaporation.
  • a non-stencilin-g, re-usable pressure-sensitive ink-releasing'element according to claim 7 wherein the plastic film foundation consists of polyethylene terephthalate bearing a layer of synthetic resin which is at least partially soluble in the volatile solvent of the resinous ink composition and which forms the working surface of said foundation.
  • a non-stenciling, re-usable pressure-sensitive inkreleasing element comprising a flexible foundation, a continuous plastic film overlying said foundation as an adhesive middle layer to form the working surface of said foundation, and a top ink layer bonded to said working surface, said ink layer comprising the residue of a coating composition comprising a resin, a non-volatile component which is a non-solvent for said resin, imaging material and a volatile solvent for said resin which is also at least a partial solvent for said plastic of the middle layer, after evaporation of said solvent, said ink layer comprising as the continuous phase a porous, substantially non-pressure-transferable layer of said resin and containing as the discontinuous phase a pressure-transferable mixture of said non-volatile component and said imaging material, said ink layer being firmly bonded to the working surface of said foundation due to a partial dissolving of the plastic of said middle layer by the volatile solvent prior to evaporation.
  • a non-stenciling, re-usable pressure-sensitive inkreleasing element in which the flexible foundation comprises a polyethylene terephthalate film and both the plastic of said adhesive middle layer and the resin of said top ink layer comprise vinyl resin.
  • a non-stenciling, re-usable pressure-sensitive inkreleasing element in which the resin consists of a vinyl resin and the non-volatile, non-drying component comprises mineral oil.

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Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117018A (en) * 1958-11-03 1964-01-07 Strauss Eugen Color transfer medium and method of producing the same
US3169880A (en) * 1960-12-23 1965-02-16 Strauss Eugen Transfer sheet and sheet assembly
US3177086A (en) * 1961-12-15 1965-04-06 Columbia Ribbon & Carbon Pressure-sensitive hectograph transfer element
US3194676A (en) * 1960-12-14 1965-07-13 Columbia Ribbon & Carbon Pressure sensitive transfer element
US3223554A (en) * 1962-10-22 1965-12-14 Columbia Ribbon & Carbon Process of preparing transfer media
US3301697A (en) * 1960-12-02 1967-01-31 Robert B Russell Thermographic transfer sheet having a support of a paper and plastic coating and the method of use
US3305382A (en) * 1964-01-02 1967-02-21 Ibm Pressure sensitive transfer sheet
US3330791A (en) * 1963-12-16 1967-07-11 Reeves Bros Inc Microporous inking compositions
US3336150A (en) * 1960-12-20 1967-08-15 Pairotto Man Nen Hitsu Kabushi Pressure-sensitive copying sheet and method of making
US3392042A (en) * 1965-01-25 1968-07-09 Ibm Spongeous typewriter ribbon
US3413184A (en) * 1962-02-05 1968-11-26 Ibm Transfer medium and method for making same
US3413183A (en) * 1965-10-22 1968-11-26 Ibm Spongeous supported transfer medium and polycarbonate embodiment
US3442680A (en) * 1967-03-16 1969-05-06 Columbia Ribbon Carbon Mfg Pressure-sensitive transfer elements and processes
US3453135A (en) * 1966-10-10 1969-07-01 Columbia Ribbon Carbon Mfg Curl-resistant transfer elements and methods for preparing same
US3463697A (en) * 1966-02-23 1969-08-26 Ibm Reusable transfer medium with print characteristics comparable to filled ink
US3471360A (en) * 1967-02-14 1969-10-07 Columbia Ribbon Carbon Mfg Transfer elements and process for preparing the same
US3628977A (en) * 1969-10-02 1971-12-21 Addressograph Multigraph Multilayer tape for coating intaglio depressions and process for using same
US3685734A (en) * 1971-02-19 1972-08-22 Minnesota Mining & Mfg Controlled fragrance release device
US3867168A (en) * 1973-07-06 1975-02-18 Xerox Corp Transparency
US3936559A (en) * 1971-02-19 1976-02-03 Columbia Ribbon And Carbon Manufacturing Co., Inc. Pressure-sensitive transfer elements
US3937178A (en) * 1972-10-30 1976-02-10 Columbia Ribbon And Carbon Manufacturing Co., Inc. Film inking system
US3946138A (en) * 1974-04-01 1976-03-23 Monarch Marking Systems, Inc. Compositions and methods relating to transfer processes
US3993832A (en) * 1975-10-31 1976-11-23 Columbia Ribbon And Carbon Manufacturing Co., Inc. Pressure-sensitive transfer element and process
US4042092A (en) * 1972-10-30 1977-08-16 Columbia Ribbon And Manufacturing Co., Inc. Duplicating method
US4077824A (en) * 1974-10-29 1978-03-07 The Standard Register Company Method for producing a business form article
US4087580A (en) * 1976-03-29 1978-05-02 Burroughs Corporation Water extended plastisol film carbon paper
US4087579A (en) * 1976-01-16 1978-05-02 Columbia Ribbon & Carbon Mfg. Co., Inc. Pressure-sensitive transfer elements
US4140335A (en) * 1976-04-05 1979-02-20 The Standard Register Company Form fastenings
FR2421065A1 (fr) * 1978-03-27 1979-10-26 Columbia Ribbon Carbon Mfg Elements de transfert sensibles a la pression tels que des rubans de machines a ecrire et procede pour leur fabrication
US4257329A (en) * 1975-07-17 1981-03-24 The Mazer Corporation Fluidless masters
US4308318A (en) * 1977-12-15 1981-12-29 International Business Machines Corporation Rub resistant ribbon for non-impact printing
US4310258A (en) * 1980-02-14 1982-01-12 Columbia Ribbon & Carbon Mfg. Co., Inc. Ink ribbon lubrication by liquid silicone oil
US4321286A (en) * 1979-07-12 1982-03-23 International Business Machines Corporation Process for producing transfer ribbons
US4409893A (en) * 1975-11-13 1983-10-18 International Business Machines Corporation Process for printing porous image
US4489122A (en) * 1982-10-13 1984-12-18 Minnesota Mining And Manufacturing Company Transparencies for electrostatic printing
US4585692A (en) * 1984-06-15 1986-04-29 International Business Machines Corp. Aliphatic polyurethane matrix transfer medium and porous magnesium silicate filler
US4678687A (en) * 1984-10-31 1987-07-07 Xerox Corporation Thermal transfer printing sheets containing certain coating compositions thereof
US4762432A (en) * 1985-03-15 1988-08-09 General Company Limited Method of thermal printing
US4894283A (en) * 1988-05-10 1990-01-16 Ncr Corporation Reuseable thermal transfer ribbon

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US2508725A (en) * 1945-01-13 1950-05-23 Columbia Ribbon & Carbon Transfer medium
US2810661A (en) * 1954-05-20 1957-10-22 Columbia Ribbon Carbon Mfg Transfer sheet
US2820717A (en) * 1953-08-17 1958-01-21 Columbia Ribbon Carbon Mfg Manifold sheet and composition therefor
US2893890A (en) * 1957-10-25 1959-07-07 Kee Lox Mfg Company Copying paper and method of manufacture
US2944037A (en) * 1956-07-19 1960-07-05 Burroughs Corp Ink-transfer compositions and duplicating media prepared therewith

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Publication number Priority date Publication date Assignee Title
US2508725A (en) * 1945-01-13 1950-05-23 Columbia Ribbon & Carbon Transfer medium
US2820717A (en) * 1953-08-17 1958-01-21 Columbia Ribbon Carbon Mfg Manifold sheet and composition therefor
US2810661A (en) * 1954-05-20 1957-10-22 Columbia Ribbon Carbon Mfg Transfer sheet
US2944037A (en) * 1956-07-19 1960-07-05 Burroughs Corp Ink-transfer compositions and duplicating media prepared therewith
US2893890A (en) * 1957-10-25 1959-07-07 Kee Lox Mfg Company Copying paper and method of manufacture

Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117018A (en) * 1958-11-03 1964-01-07 Strauss Eugen Color transfer medium and method of producing the same
US3301697A (en) * 1960-12-02 1967-01-31 Robert B Russell Thermographic transfer sheet having a support of a paper and plastic coating and the method of use
US3194676A (en) * 1960-12-14 1965-07-13 Columbia Ribbon & Carbon Pressure sensitive transfer element
US3336150A (en) * 1960-12-20 1967-08-15 Pairotto Man Nen Hitsu Kabushi Pressure-sensitive copying sheet and method of making
US3169880A (en) * 1960-12-23 1965-02-16 Strauss Eugen Transfer sheet and sheet assembly
US3177086A (en) * 1961-12-15 1965-04-06 Columbia Ribbon & Carbon Pressure-sensitive hectograph transfer element
US3413184A (en) * 1962-02-05 1968-11-26 Ibm Transfer medium and method for making same
US3223554A (en) * 1962-10-22 1965-12-14 Columbia Ribbon & Carbon Process of preparing transfer media
US3330791A (en) * 1963-12-16 1967-07-11 Reeves Bros Inc Microporous inking compositions
US3305382A (en) * 1964-01-02 1967-02-21 Ibm Pressure sensitive transfer sheet
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