US1591238A - Treatment of paper or other fiber material - Google Patents

Treatment of paper or other fiber material Download PDF

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Publication number
US1591238A
US1591238A US730539A US73053924A US1591238A US 1591238 A US1591238 A US 1591238A US 730539 A US730539 A US 730539A US 73053924 A US73053924 A US 73053924A US 1591238 A US1591238 A US 1591238A
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United States
Prior art keywords
paper
emulsion
chalk
treatment
fiber material
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Expired - Lifetime
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US730539A
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Schaefer August
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Individual
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Individual
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Priority to US730539A priority Critical patent/US1591238A/en
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Publication of US1591238A publication Critical patent/US1591238A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof

Definitions

  • the present invention relates to the treatment of paper or other fiber material which is to be prlnted, in such a way as toavoid the inconveniences due to shrinking or stretching, which are recognized in certain classes. of printing as being a very great detriment.
  • the kind of printing articularly referred to is the printing 0 etchings and the like, in whichthe paper is, 19 before printing, coated with a chalk overlay ⁇ ?
  • the raw paper (or fiber) is treated with a liquid (hereinafter referred to as emulsion) which may consist of 35 parts of orange shellac, parts ofbanana oil, parts of alcohol (preferably denatured alcohol).
  • emulsion a liquid
  • a suflicient amount of coloring matter possibly Italian blue, to roduce a greenish tint to the emulsion.
  • the paper is treated on one or both sides with the emulsion, and the preferred method is to completely dip the paper into the emulsion, in a contmuous manner, as by passing a stri of the paper, of any desired width, throug a bath. containing the said emulsion, Said emulson of course will ima, 1924. serial in. 130,630.
  • the paper is t en allowed 1 to dry, after which it can be coated with chalk in any desired manner, preferably by dipping the paper or passing the paper through or in contact with a bath contain ing the chalk in an emulsified state, -(i.' e. a suspension 'of the chalk in water) in a manner well known in the art.
  • the paper after being thus coated can be printed and etched in the usual manner, a v solution of chloride of lime beingsuitable, for the etching operation, and the aper will not shrink or stretch, whendi pe into water or solutions of chloride 0 lime 'or other solutions which can be used in the process.
  • a method of treating paper which is to be used for printing operations which comprises treating said paper directly with a 1i uid comprising shellac,'banana oil and alco 01, and thereafter coating the same with .a suspension of-chalk.
  • a method of treating paper which is to be used for printing operations which comprises treating said paper directly with a liquid comprising about equal amounts of shellac and alcohol and a slightly smaller amount of banana oil, and thereafter coating with a suspension of chalk.
  • a method of treating paper which is to be used for printing operations which comprises direct y treating said paper on both sides with a liquid com risi-n shellac, banana oil and alcohol, and t ereai 'te ing the same with a sus ension of chalk.

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  • Paper (AREA)

Description

mama July 6, 1926.
PATENT OFFICE.
AUGUST SOBAEIER, OI YORK, IN; Y.
mmmm or run-a on ornn'n. 11mm narnamf 'll'o' Drawing. I Application fled August The present invention relates to the treatment of paper or other fiber material which is to be prlnted, in such a way as toavoid the inconveniences due to shrinking or stretching, which are recognized in certain classes. of printing as being a very great detriment. The kind of printing articularly referred to is the printing 0 etchings and the like, in whichthe paper is, 19 before printing, coated with a chalk overlay}? after which the same is printed by means of a plate, and with most of the papers commonly used, particularly after the chalk overlay has been applied to one or both sides of the same, the paper shows a great tendency as shrink or .to stretch, due \re ectivelyto the drying or wetting. It wil be obvious that thestretching or shrinking is objectionable, because the 20 sheets will not fit the plates for which they are made, and will not fit the plates that they are made from, after shrinking or stretching.
On account of the stretching and shrink- 95 ing, above referred to, large plates cannot well be used for the printing 0 eration, be cause the shrinking or stretc ing would be extensive in the case of large sheets, and the-object of the present invention is to avoid the shrinking or stretching referred to.
In accordance with the present invention, the raw paper (or fiber) is treated with a liquid (hereinafter referred to as emulsion) which may consist of 35 parts of orange shellac, parts ofbanana oil, parts of alcohol (preferably denatured alcohol). To this emulsion (before use) is added a suflicient amount of coloring matter, possibly Italian blue, to roduce a greenish tint to the emulsion. ,fter stirring the emulsion to make the same homogeneous, the paper is treated on one or both sides with the emulsion, and the preferred method is to completely dip the paper into the emulsion, in a contmuous manner, as by passing a stri of the paper, of any desired width, throug a bath. containing the said emulsion, Said emulson of course will ima, 1924. serial in. 130,630.
pregnate the paper to thorou hly waterproof the same. The paper is t en allowed 1 to dry, after which it can be coated with chalk in any desired manner, preferably by dipping the paper or passing the paper through or in contact with a bath contain ing the chalk in an emulsified state, -(i.' e. a suspension 'of the chalk in water) in a manner well known in the art.
. It may be advisable to coat the paperwith the emulsion. on either one or both sides, depending upon circumstances.
The paper after being thus coated, can be printed and etched in the usual manner, a v solution of chloride of lime beingsuitable, for the etching operation, and the aper will not shrink or stretch, whendi pe into water or solutions of chloride 0 lime 'or other solutions which can be used in the process.
I have above referred to Italian blue .as-coloring matter to be added to the emulsion. Other blue coloring matters which .will readily mix with the emulsions, e. g. ultramarine blue, can be used, as well as various coloring matters of various colors that will readily mix with the emulsion.
I claim:
1'. A method of treating paper which is to be used for printing operations, which comprises treating said paper directly with a 1i uid comprising shellac,'banana oil and alco 01, and thereafter coating the same with .a suspension of-chalk.
2. A method of treating paper which is to be used for printing operations, which comprises treating said paper directly with a liquid comprising about equal amounts of shellac and alcohol and a slightly smaller amount of banana oil, and thereafter coating with a suspension of chalk.
' 3. A method of treating paper which is to be used for printing operations, which comprises direct y treating said paper on both sides with a liquid com risi-n shellac, banana oil and alcohol, and t ereai 'te ing the same with a sus ension of chalk.
In testimony whereof aflix my signature.
- AUGUST SCHAEFER.
r coat-
US730539A 1924-08-06 1924-08-06 Treatment of paper or other fiber material Expired - Lifetime US1591238A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US730539A US1591238A (en) 1924-08-06 1924-08-06 Treatment of paper or other fiber material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US730539A US1591238A (en) 1924-08-06 1924-08-06 Treatment of paper or other fiber material

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US1591238A true US1591238A (en) 1926-07-06

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US730539A Expired - Lifetime US1591238A (en) 1924-08-06 1924-08-06 Treatment of paper or other fiber material

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697669A (en) * 1950-06-02 1954-12-21 Provincial Paper Ltd Method of coating paper with clay compositions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697669A (en) * 1950-06-02 1954-12-21 Provincial Paper Ltd Method of coating paper with clay compositions

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