US1573963A - Duplicating roll or sheet and process of making same - Google Patents

Duplicating roll or sheet and process of making same Download PDF

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Publication number
US1573963A
US1573963A US636970A US63697023A US1573963A US 1573963 A US1573963 A US 1573963A US 636970 A US636970 A US 636970A US 63697023 A US63697023 A US 63697023A US 1573963 A US1573963 A US 1573963A
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United States
Prior art keywords
sheet
roll
duplicating
layer
making same
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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
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US636970A
Inventor
Isaacs Albert
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BECK DUPLICATOR Co
Original Assignee
BECK DUPLICATOR Co
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Publication date
Application filed by BECK DUPLICATOR Co filed Critical BECK DUPLICATOR Co
Priority to US636970A priority Critical patent/US1573963A/en
Application granted granted Critical
Publication of US1573963A publication Critical patent/US1573963A/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
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/06—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using master sheets coated with jelly-like materials, e.g. gelatin
    • B41M5/08—Sheet materials therefor
    • 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.]
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2738—Coating or impregnation intended to function as an adhesive to solid surfaces subsequently associated therewith
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2762—Coated or impregnated natural fiber fabric [e.g., cotton, wool, silk, linen, etc.]
    • Y10T442/277—Coated or impregnated cellulosic fiber fabric
    • Y10T442/2811—Coating or impregnation contains polyimide or polyamide

Definitions

  • My invention relates to duplicating rolls or sheets for duplicating machines and to the processes by which the same are made, and more particularly to an improved form of roll or sheetand to the processes by which the same is made and by which the duplicating medium forming a part of the said roll is quickly, easily and securely attached to the foundation or backing of the roll.
  • the invention consists in the new and improved process by which such a roll or sheet v of a roll or sheet made according to my im-- is produced, and in the roll orsheet produced by the said process, all as setforth in the,
  • Fig. 1 is a perspective view of a portion proved process and embodying my invention
  • a Fig.2 is a vertical section through such a roll or sheet.
  • duplicating material which is usually a hot gelatinous cgmposition
  • This backing or foundation may be paper or may be a .woven fabric, sometimes coated on one side, as oilcloth or the like.
  • the gelatinous composition is applied to the base or foundation by pouring the same on in a liquid heated state, with or without the interposition of some suitable substance which may be waterproof, glycerine-proof, or the like, asis desired by the manufacturer to meet particular conditions.
  • the gelatinous composition does not always adhere to the base or foundation when it is poured directly thereon, nor has there yet been found any entirely satisfactory material with which the foundation may be coated for the purpose of giving greater adherence to the duplicating composition.
  • the substances used for this purpose have been in the nature of drying oils or paints or the like, which, after hardening by the oxidizing action of the air, are not appreciably softened by heat or other means.
  • I provide a sheet of backing or foundation material, which niay be of any suitable material and of any desired length, and I coat one side of the same with some suitable material in' the meltin point of'which is in the neighborhood 0 one hundred to one hundred and ten degrees Fahrenheit.
  • a suitable rubber cement or the material which is known in the trade as balatan, is satisfactory for this purpose. The same may be applied in any suitable manner as will be well understood by those skilled in the art.
  • a duplicating roll or sheet adapted for use upon duplicating machines or the like comprising in combination a backingsheet, a layer of material thereon having a comparatively low melting point, and a layer of material on said first named layer having a comparatively high melting point.
  • a duplicating roll or sheet adapted for use upon duplicating machines or the like comprising in combination a backing sheet, a layer of gelatinous material having a melting point of about one hundred and fifty degrees Fahrenheit, and a layer of material between said backing sheet and said gelatinous material, having a melting point substantially 'lower than the melting point of said gelatinous material.

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  • Treatment Of Fiber Materials (AREA)

Description

Feb. 23 1926. 1,573,963
A. ISAACS DUPLICATING ROLL 0R SHEET AND PROCESS OF MAKING SAME Original Filed May 5, 1923 W whtoz Elf Com Patented Feb. 23, 1926.
UNITED STATES 1 ,573,963 PATENT OFFICE.
ALBERT ISAACS, 'OF NEW YORK, N. Y., ASSIGNOR TO THE BECK DUPLICATOR COM- IPANY, A- CORPORATION OF NEW YORK.
DUPLICATING ROLL OR SHEET AND PROCESS OF MAKING SAME.
Application filed May 5, 1923, Serial No. 638,970. Renewed August 29, 1925.
To all whom it may concern:
Be it known that I, ALBERT IsAAcs, a citizen of the United States, and a resident of the borough of Queens, city and State of New York, have invented certain new and useful Improvements in Duplicating Rolls or Sheets and Processes of Making Same, of which the following is a specification.
My invention relates to duplicating rolls or sheets for duplicating machines and to the processes by which the same are made, and more particularly to an improved form of roll or sheetand to the processes by which the same is made and by which the duplicating medium forming a part of the said roll is quickly, easily and securely attached to the foundation or backing of the roll.
"' The invention consists in the new and improved process by which such a roll or sheet v of a roll or sheet made according to my im-- is produced, and in the roll orsheet produced by the said process, all as setforth in the,
claims forming part of this specification,
one form or embodiment thereof being.
described in this specification, and a roll or sheet made in accordance therewith shown in the accompanying drawings.
In the said drawings, I a
Fig. 1 is a perspective view of a portion proved process and embodying my invention, and' a Fig.2 is a vertical section through such a roll or sheet.
Inthe manufacture of duplicating rolls or sheets, one of the difficulties which is encountered is that of causing the duplicating material, which is usually a hot gelatinous cgmposition, to adhere to the backing or foundation of the roll or sheet. This backing or foundation may be paper or may be a .woven fabric, sometimes coated on one side, as oilcloth or the like. The gelatinous composition is applied to the base or foundation by pouring the same on in a liquid heated state, with or without the interposition of some suitable substance which may be waterproof, glycerine-proof, or the like, asis desired by the manufacturer to meet particular conditions.
For various reasons, the gelatinous composition does not always adhere to the base or foundation when it is poured directly thereon, nor has there yet been found any entirely satisfactory material with which the foundation may be coated for the purpose of giving greater adherence to the duplicating composition. The substances used for this purpose have been in the nature of drying oils or paints or the like, which, after hardening by the oxidizing action of the air, are not appreciably softened by heat or other means. I have found that by interposing between the'backing and the gelatinous composition a material which is liquefied or softened by a less degree of heat than that which is required to reduce to a suitable pouring condition the gelatinous composition, and then pouring the liquid heated gelatinous composition thereupon and allowing both to cool and harden together, an entirely satisfactory adhesion and union of the three elements ofthe roll or sheet, namely, the backing, the adhesive substance, and the gelatinous composition, is produced.
In carrying my invention into effect in the particular embodiment thereof which I here describe, I provide a sheet of backing or foundation material, which niay be of any suitable material and of any desired length, and I coat one side of the same with some suitable material in' the meltin point of'which is in the neighborhood 0 one hundred to one hundred and ten degrees Fahrenheit. I have found in practice that a suitable rubber cement, or the material which is known in the trade as balatan, is satisfactory for this purpose. The same may be applied in any suitable manner as will be well understood by those skilled in the art.
After this layer of adhesive material has become solidified I pour thereon the hot liquid gelatinous composition. This composition usually has a melting point of about one hundred and fifty degrees Fahrenheit, consequently, when it is poured upon the previously applied adhesive coating, the heat of the gelatine partially melts or ,li'quefics the adhesive coatingbefore the gelatine has had time to cool, thus producing a perfect union and adhesion of the two materials. I have found in practice that aiduplicating roll or sheet produced by the above process is entirely satisfactory in 1 every respect, the gelatinous composition remaining firmly attached under all ordinary oilcloth, or any suitable material. a represents the adhesive material applied to said Having thus described my invention, what I claim as. new and desire to secure by Let ters Patent is as follows:
1. A duplicating roll or sheet adapted for use upon duplicating machines or the like, comprising in combination a backingsheet, a layer of material thereon having a comparatively low melting point, and a layer of material on said first named layer having a comparatively high melting point.
2. A duplicating roll or sheet adapted for use upon duplicating machines or the like, comprising in combination a backing sheet, a layer of gelatinous material having a melting point of about one hundred and fifty degrees Fahrenheit, and a layer of material between said backing sheet and said gelatinous material, having a melting point substantially 'lower than the melting point of said gelatinous material.
3. A duplicating roll or sheet adapted for use upon duplicating machines or the like, comprising in combination a backing sheet, a layer of material as rubber cement applied thereto, and a layer of gelatinous composition applied to said layer of rubber I cement. Y
4:. The process of producing a duplicating roll or sheet adapted for use upon duplicating machines or the like which consists in applying to a suitable backing sheet a layer of material having a comparatively low melting point, and ap lying to said first named layer a layer 0? material having a comparatively high melting point.
5. The process of producing a duplicatroll or sheet adapted for use upon duplicating machines or the like which consists in applying to a suitable backing sheet a layer of material as rubber cement, and a plying to said rubber cement a layer 0 hot liquid gelatinous composition.
In witness whereof I have hereunto signed my name this 1st day of May 1923.
ALBERT ISAACS.
US636970A 1923-05-05 1923-05-05 Duplicating roll or sheet and process of making same Expired - Lifetime US1573963A (en)

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