US337155A - David heston - Google Patents

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Publication number
US337155A
US337155A US337155DA US337155A US 337155 A US337155 A US 337155A US 337155D A US337155D A US 337155DA US 337155 A US337155 A US 337155A
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Prior art keywords
paper
heston
david
grease
proof
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    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/18—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising waxes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J1/00—Fibreboard
    • D21J1/16—Special fibreboard

Definitions

  • My invention consists of a grease-proof paper formed of sheets of paper and silicate of soda or other alkaline equivalent.
  • I take sheets A B of paper and interpose between the same a stratum, O, of silicate of soda or other alkaline equivalent, in a liquid condition, and roll the compound sheets of paper and alkali, or subject the same to pressure, whereby the parts are firmly united as one.
  • a stratum, O of silicate of soda or other alkaline equivalent
  • I may take pulp, and, during the operation of forming thesameinto paper, introd uce alayer or stratum of the alkali into the pulp in such a manner that when the paper is produced it has a stratum of the alkali interposed between the outside sheets, the paper in either case presenting the usual appearance of paper, admitting of being printed, out, folded, 850.
  • the grease is prevented from passing through 0 the alkali; hence the opposite side of the paper or outside of the boxes, wrappings, 8rd, remains clean without the exhibition of grease.
  • I in- 45 clude all kinds of paper or paper-stock, or any combination of materials of which paper or board is or may be made.
  • Greaseproof paper formed of paper, and an inner stratum of silicate of soda or other a1- kaline equivalent, substantially as described.

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  • Paper (AREA)

Description

(No Model.)
D; HESTON.
GREASE PRO0P PAPER.
No. 337,155. Patented Mar. 2, 1886.
N. Pain; Phmumo n har, Wuhingmm 0.1;
A NITED STATES PATENT Erica.
DAVID HESTON, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO BROWN, HES TON & 00., OF SAME PLACE.
vGREASE-PROOF PAPER.
SPECIFICATION forming part of Letters Patent No. 337,155, dated March 2, 1886.
Applicationfilefl November 9, 1885. Serial No. 182,291 (No modclJ To aZZ whom it may concern:
Be it known that I, DAVID HESTON, a citizen of the United States, residing in the city and county of Philadelphia, State of Pennsylvania, have invented a new and useful Improvement in Grease-Proof Paper, which improvement is fully set forth in the following specification and accompanying drawings, in which- Figure 1 represents a longitudinal section of a piece of grease-proof paper embodying my invention. Fig. 2 represents a face view thereof, the layers thereof being shown broken away.
Similar letters of reference indicate corresponding parts in the two figures.
My invention consists of a grease-proof paper formed of sheets of paper and silicate of soda or other alkaline equivalent.
In carrying out my invention, I take sheets A B of paper and interpose between the same a stratum, O, of silicate of soda or other alkaline equivalent, in a liquid condition, and roll the compound sheets of paper and alkali, or subject the same to pressure, whereby the parts are firmly united as one.
In lieu of the above, I may take pulp, and, during the operation of forming thesameinto paper, introd uce alayer or stratum of the alkali into the pulp in such a manner that when the paper is produced it has a stratum of the alkali interposed between the outside sheets, the paper in either case presenting the usual appearance of paper, admitting of being printed, out, folded, 850. I
When the paper is in use for boxes, wrappings, 820., should a material of greasy nature be placed against the same, the contiguous side of the paper may become greased; but
the grease is prevented from passing through 0 the alkali; hence the opposite side of the paper or outside of the boxes, wrappings, 8rd, remains clean without the exhibition of grease.
In speaking of paper or paper-pulp from which the grease-proof paper is made, I in- 45 clude all kinds of paper or paper-stock, or any combination of materials of which paper or board is or may be made.
Having thus described myinvention, what I claim as new, and desire to secure'by Letters 50 Patent, is
1. Greaseproof paper formed of paper, and an inner stratum of silicate of soda or other a1- kaline equivalent, substantially as described.
2. A grease-proof paper formed of layers 5
US337155D David heston Expired - Lifetime US337155A (en)

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US337155A true US337155A (en) 1886-03-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2435701A (en) * 1943-12-27 1948-02-10 Kelco Co Film-forming compositions for oilproof containers
US2785083A (en) * 1948-07-24 1957-03-12 Diamond Alkali Co Cellulosic sheet coated with a desiccated ridged film of adhesive sodium silicate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2435701A (en) * 1943-12-27 1948-02-10 Kelco Co Film-forming compositions for oilproof containers
US2785083A (en) * 1948-07-24 1957-03-12 Diamond Alkali Co Cellulosic sheet coated with a desiccated ridged film of adhesive sodium silicate

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