US253840A - William b - Google Patents

William b Download PDF

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Publication number
US253840A
US253840A US253840DA US253840A US 253840 A US253840 A US 253840A US 253840D A US253840D A US 253840DA US 253840 A US253840 A US 253840A
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Prior art keywords
paper
water
proof
pulp
william
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03Non-macromolecular organic compounds
    • D21H17/05Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/07Nitrogen-containing compounds

Definitions

  • My invention relates to the manufacture of water-proof paper; and it consists in the use of any ordinary paper-pulp preparedas known to the art, combined with suitable plastic water-proof material-such as celluloid, lignoid, coroline, or like plastic water-proof arrangementither as single articles or as compounds of any of them, according to the kind of paper to be made, which will be colored, as desired.
  • the water-proof material will not be dissolved, but be ground to apowder, either dry or in water, until it is of the fineness required for the particular paper 20 to be made.
  • the paper-pulp and water-proof material willthen be ground, mixed together in water until they are thoroughly incorporated, forming a compound pulp, to be made into paper by any well-known or suitable process and machinery not needful here to detail.
  • the paper may be put through a vapor-bath of alcohol or rapidly through a weak alcoholic bath when the waterproof material solved in alcohol.
  • the object of the bath is to partially dissolve on the surface any of the ma; terials which may not be well united by mixing and the action of the heated rollers above named.
  • the proportion of the paper-pulp and of the 45 water-prootmaterial will be regulated by the demand, aecording to the kind of paper to be made.

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  • Paper (AREA)

Description

UNITED STATES WILLIAM B. CARPENTER, OF NEWARK,
PATENT OFFICE.
NEW JERSEY, ASSIGNOR TO HIMSELF AND THE CELLULOID NOVELTY COMPANY, OF NEW YORK, N. Y.
WATER-PROOF PAPER.
SPECIFICATION formingpart of Letters Patent No. 253,840, dated February 21, 1882.
Application filed May 24, 1881.
To all whom it may concern:
Be it known that I, WILLIAM B. CARPENTER, of Newark, in the county of Essex and State of New Jersey, have invented a new and use- 5 ful Improvement in VVater-Proof Paper, of
which the following is a specification.
My invention relates to the manufacture of water-proof paper; and it consists in the use of any ordinary paper-pulp preparedas known to the art, combined with suitable plastic water-proof material-such as celluloid, lignoid, coroline, or like plastic water-proof materialeither as single articles or as compounds of any of them, according to the kind of paper to be made, which will be colored, as desired.
In the manufacture of paper the water-proof material will not be dissolved, but be ground to apowder, either dry or in water, until it is of the fineness required for the particular paper 20 to be made. The paper-pulp and water-proof material willthen be ground, mixed together in water until they are thoroughly incorporated, forming a compound pulp, to be made into paper by any well-known or suitable process and machinery not needful here to detail. After the paper has been made and has passed through the last of the heated rollers commonly used in paper-making and has been left to dry, I may add two steps to this process, according to the nature of the water-proof substance or substances used.
First. The paper may be put through a vapor-bath of alcohol or rapidly through a weak alcoholic bath when the waterproof material solved in alcohol.
(No specimens.)
used-such as celluloid-is capable of being dis- 3 5 The object of the bath is to partially dissolve on the surface any of the ma; terials which may not be well united by mixing and the action of the heated rollers above named.
Second. Then after 7 the bath the paper is again passed through the heated rollers, when all the elements will be more thoroughly'inte' grated.
The proportion of the paper-pulp and of the 45 water-prootmaterial will be regulated by the demand, aecording to the kind of paper to be made.
I claim- 1. A paper made from a combination of pa- 5o per-pulp and a plastic water-proof materialsuch as celluloid, lign oid, or similar plastic water-proof material-substantially as.specified. 4
2. The process of making a com pound paper- 5 5 pulp by mixing or grinding in waterthe waterproof material and the ordinary paper-pulp, substantially as and for the purpose set forth. The process of putting the paper, when made from the compound pulp, as described, 60 throughthe bath and afterward through the heated rollers, substantially as and for the purpose named.
WILLIAM B. CARPENTER.
Witnesses:
HORACE HARRIS, S. R. STEADMAN.
US253840D William b Expired - Lifetime US253840A (en)

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US253840A true US253840A (en) 1882-02-21

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