US1799793A - Stencil sheet - Google Patents

Stencil sheet Download PDF

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Publication number
US1799793A
US1799793A US359429A US35942929A US1799793A US 1799793 A US1799793 A US 1799793A US 359429 A US359429 A US 359429A US 35942929 A US35942929 A US 35942929A US 1799793 A US1799793 A US 1799793A
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US
United States
Prior art keywords
stencil sheet
naphthenic acids
water
stencil
acids
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US359429A
Inventor
Horii Shinjiro
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to US359429A priority Critical patent/US1799793A/en
Application granted granted Critical
Publication of US1799793A publication Critical patent/US1799793A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N1/00—Printing plates or foils; Materials therefor
    • B41N1/24—Stencils; Stencil materials; Carriers therefor
    • B41N1/243—Stencils; Stencil materials; Carriers therefor characterised by the ink pervious sheet, e.g. yoshino paper
    • 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
    • Y10S428/908—Impression retention layer, e.g. print matrix, sound record
    • 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
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249962—Void-containing component has a continuous matrix of fibers only [e.g., porous paper, etc.]
    • Y10T428/249963—And a force disintegratable component [e.g., stencil sheet, etc.]
    • 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]
    • Y10T428/31725—Of polyamide
    • Y10T428/31768—Natural source-type polyamide [e.g., casein, gelatin, etc.]
    • Y10T428/31772—Next to cellulosic
    • Y10T428/31775—Paper
    • 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]
    • Y10T428/31801—Of wax or waxy material
    • Y10T428/31804—Next to cellulosic
    • Y10T428/31808—Cellulosic is paper
    • 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]
    • Y10T428/31844—Of natural gum, rosin, natural oil or lac
    • Y10T428/31848—Next to cellulosic
    • Y10T428/31851—Natural oil

Definitions

  • My invention relates to improvements in stencil sheets for, use in duplicating manuscript, typewriting, drawings and the like, consisting of a sheet of fibrous material provided with a coating of an ink-resisting composition.
  • such stencil sheets have been made of a fibrous basecoated with a composition, such as comprising (1) coagulated protein and substances increasing. the plasticity of the protein, such as resins, fatty acids, hydrocarbons and fatty substances, (2) a colloid, such as gelatine and Irish moss, glycerine and monopole soap, (8) a gelatinous organic colloid dispersable in an aqueous medium and an oily or waxy constituent consisting Wholly or mainly of the tempering agent or the organic colloid, (4.)
  • a composition such as comprising (1) coagulated protein and substances increasing. the plasticity of the protein, such as resins, fatty acids, hydrocarbons and fatty substances, (2) a colloid, such as gelatine and Irish moss, glycerine and monopole soap, (8) a gelatinous organic colloid dispersable in an aqueous medium and an oily or waxy constituent consisting Wholly or mainly of the tempering agent or the organic colloid, (4.)
  • a colloidal substance as gelatine, Turkey-red oil, a fatty acid, such as oleic and palmitic acid, and a coagulant, (5) a colloid dispersed in water'and an emulsifying agent comprising a starch sulfonated oil mixture and a. tempering agent, including japan and paraffin wax, and (6) acase in solution emulsified with oils or fats of mineral animal or vegetable nature.
  • the coating material comprises a gelatinous organic colloid dispersed in water in accordance with naphthenic acids acting as a tempering agent.
  • Naphthenic acids preferably used in the invention may be separated from petroleum distillates and are purified.
  • the purified naphthenic acids are very stable and the viscosity is less affectedby the changes of temperature, and they do not possess the properties of the unsaturated fatty acids of the oleic series. They do not become sticky on exposure to the air and'showa comparatively weak acidity.
  • a coating material is prepared by an organic colloid, such as gelatine, being dissolved in sufficient quantity of water, and then being emulsified with a mixture of naphthenic acids and aqua ammonia. Then the solution is applied to a fibrous base, such as Japanese yoshino paper,
  • the coating of the stencil sheet consists of the organic s0 colloid dispersed in naphthenic acids.
  • a tempering agent such as hydrocarbon oils, fatty oils, fats, waxes, fatty acids and naphthenic acid glycerides or other naphthenic acid esters, such as glycols (e. g. ethyl: 85. ene glycol), and mono-alcohol (e. g. methyl, ethyl, pro'pyl, or amyl alcohol) esters may be incorporated with the naphthenic acids forming a complete emulsion.
  • a coagulant for the organic colloid such as potassium dichromate or formalin, and suitable coloring material such as dyes or pigments, may be added to the above coating material.
  • suitable coloring material such as dyes or pigments.
  • the composition may also be added to the paper stuff in a mixing hollander during the paper making operation.
  • the proportions of the ingredients may vary according to various circumstances.
  • the following proportion can be used Parts by weight Gelatine Potassium dichromate 0.1 Blane fixe 10 Water 95 Naphthenic acids 15 Aqua ammonia 5 Licinoleic acid 5 Castor oil 5 Japan wax 2
  • the composition is uniformly mixed and is diluted to a suitable viscosity.
  • a stencil sheet comprising a base of fibrous material coated with a composition consisting of a gelatinous organic colloid dispersed in water in admixture with naphthenic acids.
  • a stencil sheet comprising a base of fibrous material coated with a composition consisting of a gelatinous organic colloid dispersed in water, in admixture with naphthenic acids and waxy material.

Description

Patented Apr. 7, 1931 PATENT OFFICE SHINJIRO HORII, F TOKYO, .mimn
STENCIL SHEET No Drawing.
My invention relates to improvements in stencil sheets for, use in duplicating manuscript, typewriting, drawings and the like, consisting of a sheet of fibrous material provided with a coating of an ink-resisting composition.
Heretofore, such stencil sheets have been made of a fibrous basecoated with a composition, such as comprising (1) coagulated protein and substances increasing. the plasticity of the protein, such as resins, fatty acids, hydrocarbons and fatty substances, (2) a colloid, such as gelatine and Irish moss, glycerine and monopole soap, (8) a gelatinous organic colloid dispersable in an aqueous medium and an oily or waxy constituent consisting Wholly or mainly of the tempering agent or the organic colloid, (4.)
a colloidal substance, as gelatine, Turkey-red oil, a fatty acid, such as oleic and palmitic acid, and a coagulant, (5) a colloid dispersed in water'and an emulsifying agent comprising a starch sulfonated oil mixture and a. tempering agent, including japan and paraffin wax, and (6) acase in solution emulsified with oils or fats of mineral animal or vegetable nature.
According to the present invention the coating material comprises a gelatinous organic colloid dispersed in water in accordance with naphthenic acids acting as a tempering agent.
Naphthenic acids preferably used in the invention may be separated from petroleum distillates and are purified. The purified naphthenic acids are very stable and the viscosity is less affectedby the changes of temperature, and they do not possess the properties of the unsaturated fatty acids of the oleic series. They do not become sticky on exposure to the air and'showa comparatively weak acidity.
In this connection it may be remarked that the employment of naphthenic acids in association with esters of polysaccharides dis- Application filed April 30,
1929. Serial No. 359,429.
solved in volatile solvents has been proposed in the production of stencil sheets as indicated in my U. S. Patent No. 1,594,525 issued Aug. 3, 1926. It has been found, however, that the employment of the volatile solvents makes the manufacture expensive and also particularly dangerous. According to the present invention, organic colloids dispersable in water are used as the main component of the ink-resisting medium, instead of the esters of polysaccharides. The prepared stencil sheets are very durable and stable without the drawback of becoming sticky or rancid on being kept as is the case where fatty oils,fats' or fatty acids are used. Also, the stencil sheets are more soft and pliable than those produced in accordance with my original invention, giving clearer stencils by the pressure of the type of a typewriting machine. Moreover, the stencil sheets are not injurious to the metal parts of the typewriting machine because of the feebler acidity of naphthenic acids as compared with fatty acids or sulfonated oils.
In the practice of the invention, a coating material is prepared by an organic colloid, such as gelatine, being dissolved in sufficient quantity of water, and then being emulsified with a mixture of naphthenic acids and aqua ammonia. Then the solution is applied to a fibrous base, such as Japanese yoshino paper,
,in a suitable manner. After the water and ammonia have been expelled, the stencil sheets are ready for use. In this case, the coating of the stencil sheet consists of the organic s0 colloid dispersed in naphthenic acids. If desired, a tempering agent such as hydrocarbon oils, fatty oils, fats, waxes, fatty acids and naphthenic acid glycerides or other naphthenic acid esters, such as glycols (e. g. ethyl: 85. ene glycol), and mono-alcohol (e. g. methyl, ethyl, pro'pyl, or amyl alcohol) esters may be incorporated with the naphthenic acids forming a complete emulsion. Also, a coagulant for the organic colloid, such as potassium dichromate or formalin, and suitable coloring material such as dyes or pigments, may be added to the above coating material. The composition may also be added to the paper stuff in a mixing hollander during the paper making operation.
The proportions of the ingredients may vary according to various circumstances. By way of example, the following proportion can be used Parts by weight Gelatine Potassium dichromate 0.1 Blane fixe 10 Water 95 Naphthenic acids 15 Aqua ammonia 5 Licinoleic acid 5 Castor oil 5 Japan wax 2 The composition is uniformly mixed and is diluted to a suitable viscosity.
What I claim is 1. A stencil sheet comprising a base of fibrous material coated with a composition consisting of a gelatinous organic colloid dispersed in water in admixture with naphthenic acids.
2. A stencil sheet comprising a base of fibrous material coated with a composition consisting of a gelatinous organic colloid dispersed in water, in admixture with naphthenic acids and waxy material.
In testimony whereof I aflix my si nature.
SHINJIRO H RII.
US359429A 1929-04-30 1929-04-30 Stencil sheet Expired - Lifetime US1799793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US359429A US1799793A (en) 1929-04-30 1929-04-30 Stencil sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US359429A US1799793A (en) 1929-04-30 1929-04-30 Stencil sheet

Publications (1)

Publication Number Publication Date
US1799793A true US1799793A (en) 1931-04-07

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Family Applications (1)

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