US1753204A - Stencil sheet - Google Patents

Stencil sheet Download PDF

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Publication number
US1753204A
US1753204A US210728A US21072827A US1753204A US 1753204 A US1753204 A US 1753204A US 210728 A US210728 A US 210728A US 21072827 A US21072827 A US 21072827A US 1753204 A US1753204 A US 1753204A
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US
United States
Prior art keywords
paper
beating
stencil sheet
felting
maximum
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
US210728A
Inventor
Horii Shinjiro
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US210728A priority Critical patent/US1753204A/en
Application granted granted Critical
Publication of US1753204A publication Critical patent/US1753204A/en
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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
    • 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]
    • Y10T428/31801—Of wax or waxy material
    • Y10T428/31804—Next to cellulosic
    • Y10T428/31808—Cellulosic is paper

Definitions

  • JAPAN STENCIL snEEr This invention relatesto improvements in stencil sheets for use in duphcating manu-- script and typewritten documents, drawings and the .like.
  • such stencil sheets are generally made of thin tissue paper, such as Japanese paper,jcoated or im regnated with some substances impermeab e to ink, which coating can be removed by the pressure of a hand stylus or the impactof the type of the writing machine.
  • the Japanese papers commonly used as the base material are made from the basts of the plants indi enous to J apan-viz the paper mulberry roussonetia-papyrifem) Mitsumata (Edgwortb/ia-papyrifem) and Gampi (Wickstroema-cane'scens)
  • the Japanese have made their characteristic papers from the earliest times by the most primitive means from the basts of these plants.
  • the isolated tissue consisting of a close network of fibers,
  • the stencil sheet according to the present invention comprises a base of thin Japan paper, consisting of highly hydrated long fibers and having the maximum felting and grease-proofing qualities, coated with a. suitable coating composition which renders it ink-resistant.
  • the base material is prepared by the bast tissue of the paper mulberry, Mitsumata or Gampi being subjected to a definite wetness by a lengthy hydration process of the beating soas 'to produce a paper of the maximum felting and greaseproofing' qualities, whereupon the paper is coated with a suitable coating composition including waxes or a gelatinous organic colloid, such as gelatine, or cellulose esters, combined with a suitable tempering agent.
  • a suitable coating composition including waxes or a gelatinous organic colloid, such as gelatine, or cellulose esters
  • the degree of hydration, or beating units which produce the maximum felting and grease-proofing qualities are 40 to 60 by the well-known Schoper-Riegler beating tester.
  • sample 1 The isolated bast tissue of 2.
  • mulberry J apanesez K 020
  • the degree of hydra-- tion, or beating units which produce the maximum felting and zgrease proofing qualities are 40 to 45.
  • Example 2 The isolated bast tissue of Mitsumata or Gampi is subjected to free beating for about 20 minutes in a beating engine which is followed by wet beating for about five hours, the wetness being controlled so as to reach the units of to by the Schoper-Riegler tester, which enables a paper of the maximum felting and grease-proofing qualities to be produced.
  • the degree of hydration may, of course, be varied within the scope of the invention, and there is also permissible a certain variation in the beating units described.
  • the paper is made in the usual Japanese manner, Neri, a colloidal mucilage of some plants being added to the stufi's.
  • the Japanese paper commonly used as the base material is an absorbent paper which is poor in felting and grease-proofing qualities.
  • the coating composition being readily absorbed thereby, it is impossible to form a thick layer of coating on the surface of paper. Practically, it is found to be 01 prime importance that in order to give a clear writing sure 0 the types of a typewriting machine.
  • the stencil sheet has considerable strength and durability and gives a large number of copies.
  • a stencil sheet for stencilization by pressure comprising a base of thin Japanese paper of the maximum felting and grease- 5 proofing qualities, consisting of highly hydrated bast fibres, and coated with a coating material impermeable to ink.
  • a stencil sheet for stencilization by-pressure comprising a base of thin Japanese paper consisting of the bast tissue of a definite wetness so as to produce the maximum felting and grease-proofing qualities, and coated with a coating material impermeable to ink.

Description

Patented Apr. 8, 1 930 Io Drawing.
srmnmo norm, or 'rox'vo, JAPAN STENCIL snEEr This invention relatesto improvements in stencil sheets for use in duphcating manu-- script and typewritten documents, drawings and the .like.
Heretofore, such stencil sheets are generally made of thin tissue paper, such as Japanese paper,jcoated or im regnated with some substances impermeab e to ink, which coating can be removed by the pressure of a hand stylus or the impactof the type of the writing machine.
The Japanese papers commonly used as the base material are made from the basts of the plants indi enous to J apan-viz the paper mulberry roussonetia-papyrifem) Mitsumata (Edgwortb/ia-papyrifem) and Gampi (Wickstroema-cane'scens) The Japanese have made their characteristic papers from the earliest times by the most primitive means from the basts of these plants. The isolated tissue, consisting of a close network of fibers,
is simply cut and-hammered to produce a surface of the requisite evenness; and the complete production of a web of paper.
The stencil sheet according to the present invention, comprises a base of thin Japan paper, consisting of highly hydrated long fibers and having the maximum felting and grease-proofing qualities, coated with a. suitable coating composition which renders it ink-resistant.
In practice, the base material is prepared by the bast tissue of the paper mulberry, Mitsumata or Gampi being subjected to a definite wetness by a lengthy hydration process of the beating soas 'to produce a paper of the maximum felting and greaseproofing' qualities, whereupon the paper is coated with a suitable coating composition including waxes or a gelatinous organic colloid, such as gelatine, or cellulose esters, combined with a suitable tempering agent.
In the beating process, the degree of hydration, or beating units which produce the maximum felting and grease-proofing qualities are 40 to 60 by the well-known Schoper-Riegler beating tester.-
For pur oses of illustration, the follow-:
in examp es are given:
sample 1.The isolated bast tissue of 2.
Application flle'd August 4, 1927, Serial No. 210,728.
mulberry (J apanesez K 020) is beaten with a wooden hammer for about five hours, the wetness being carefully controlled so as to reach the definite point with the aid of the Schoper Riegler beating tester. The degree of hydra-- tion, or beating units which produce the maximum felting and zgrease proofing qualities are 40 to 45.
' Example 2. The isolated bast tissue of Mitsumata or Gampi is subjected to free beating for about 20 minutes in a beating engine which is followed by wet beating for about five hours, the wetness being controlled so as to reach the units of to by the Schoper-Riegler tester, which enables a paper of the maximum felting and grease-proofing qualities to be produced.
The degree of hydration may, of course, be varied within the scope of the invention, and there is also permissible a certain variation in the beating units described.
Inthe heating process, the cutting of the fibers must be avoided. It is advantageous to blend the difierent kinds of beaten stuffs in any suitable proportions to produce therequired strength and toughness of paper. The paper is made in the usual Japanese manner, Neri, a colloidal mucilage of some plants being added to the stufi's.
The Japanese paper commonly used as the base material is an absorbent paper which is poor in felting and grease-proofing qualities. The coating composition being readily absorbed thereby, it is impossible to form a thick layer of coating on the surface of paper. Practically, it is found to be 01 prime importance that in order to give a clear writing sure 0 the types of a typewriting machine.
Moreover, the stencil sheet has considerable strength and durability and gives a large number of copies.
I claim:
1. A stencil sheet for stencilization by pressure, comprising a base of thin Japanese paper of the maximum felting and grease- 5 proofing qualities, consisting of highly hydrated bast fibres, and coated with a coating material impermeable to ink.
2. A stencil sheet for stencilization by-pressure, comprising a base of thin Japanese paper consisting of the bast tissue of a definite wetness so as to produce the maximum felting and grease-proofing qualities, and coated with a coating material impermeable to ink.
In testimony whereof I a'ffix my signature.
SHINJIRO HORII.
US210728A 1927-08-04 1927-08-04 Stencil sheet Expired - Lifetime US1753204A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US210728A US1753204A (en) 1927-08-04 1927-08-04 Stencil sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US210728A US1753204A (en) 1927-08-04 1927-08-04 Stencil sheet

Publications (1)

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US1753204A true US1753204A (en) 1930-04-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
US210728A Expired - Lifetime US1753204A (en) 1927-08-04 1927-08-04 Stencil sheet

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2651723A1 (en) * 1989-09-13 1991-03-15 Ricoh Kk THERMOSENSIBLE PAPER FOR STENCIL.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2651723A1 (en) * 1989-09-13 1991-03-15 Ricoh Kk THERMOSENSIBLE PAPER FOR STENCIL.

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