US1048110A - Manufacture of paper, cardboard, and the like. - Google Patents

Manufacture of paper, cardboard, and the like. Download PDF

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Publication number
US1048110A
US1048110A US69366612A US1912693666A US1048110A US 1048110 A US1048110 A US 1048110A US 69366612 A US69366612 A US 69366612A US 1912693666 A US1912693666 A US 1912693666A US 1048110 A US1048110 A US 1048110A
Authority
US
United States
Prior art keywords
paper
lime
cardboard
manufacture
pulp
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
US69366612A
Inventor
Otto Emanuel Tingberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to US69366612A priority Critical patent/US1048110A/en
Application granted granted Critical
Publication of US1048110A publication Critical patent/US1048110A/en
Anticipated expiration legal-status Critical
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
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates

Description

UNITED STATES PATENT cr mes.
orro ammunirmosnae, or s'rocx'nomr, swnnnn.
MANUFACTURE OF PAPER, CARDBOARD, AND THE LIKE:
No Drawing.
sneciflcation of Letters'ratent. Patented Dec. 24, 1912. Application. filed April 27, 1915!. Serial No. 698,866.
To all whom it"rhay concern:
Be it known that I, O'rro EMANUEL Truc- BERG, a subject of the King of Sweden, residing at 63 Fleminggatan, Stockholm, in the Kingdom of Sweden, haveinvented certain new and useful Improvements in the Manufacture of Paper, Cardboard, and the Like, of which the following is a specification.
The present invention relates to a novel process of weighting paper, card-board, and similar articles by means of lime, and at the same time increasing the coherence of-the weighted article. Heretofore it has been proposed to use kaolin, heavy spar, and siniilar material as wei hting material, but such material has the disadvantage that the coherence of the treated and weighted pulp is thereby decreased so that it is necesary to add to the paper or other material additional binding media. 1
According to the resent invention the paper is so weighted t at the binding of -the papd? or similar material is at the same time lncreased without the addition of further. bindin medium. This result 'is effected, according to the present invention b the use of lime in the form .of freshly aked lime, or white-lime. This lime, added to the pulp from which the paper is to be made com ines with the material of the pulp an has a valuable binding action and thus serves to increase the strength of the paper as well as its weight. Moreover the hme gives to the paper in the subsequent processes a finishsultable for writin and printing, owin to its sizing effect. he appear ance of t e paper is also improved. The lime also aids 'inbleaching the pulp. The
lime is added to the pulp 1n the rag engine,
the amount added depending upon the particular wood treated. Rcsinous woods require more, the greater the content of resinous material. In addition to the lime added other weighting materials can also be used. Also obviousl where greater strength still is desired, add agents can be used.
The product of the present process is a sized and weighted paper of attractive appearance, and contains the lime not only as a weighting material but as a binder and a sizing material.
I claim:
The process of weighting and simultaneously sizing and increasing the strength of articles made from paper pul which comprises treatin such pulp with reshly slaked lime and com ining the same with the pul b thorough intermixtureof the soli sl aked lime with the pulp without the aid of additional neutralizing agents.
In testimony whereof I have aflixed my signature in resence of two witnesses. OTT EMANUEL TINGBERG.
Witnesses:
-GBITA Puma,
HARRY Amnm itional sizing and binding
US69366612A 1912-04-27 1912-04-27 Manufacture of paper, cardboard, and the like. Expired - Lifetime US1048110A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US69366612A US1048110A (en) 1912-04-27 1912-04-27 Manufacture of paper, cardboard, and the like.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69366612A US1048110A (en) 1912-04-27 1912-04-27 Manufacture of paper, cardboard, and the like.

Publications (1)

Publication Number Publication Date
US1048110A true US1048110A (en) 1912-12-24

Family

ID=3116378

Family Applications (1)

Application Number Title Priority Date Filing Date
US69366612A Expired - Lifetime US1048110A (en) 1912-04-27 1912-04-27 Manufacture of paper, cardboard, and the like.

Country Status (1)

Country Link
US (1) US1048110A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639989A (en) * 1946-04-25 1953-05-26 United States Gypsum Co Treatment of cellulosic pulps

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639989A (en) * 1946-04-25 1953-05-26 United States Gypsum Co Treatment of cellulosic pulps

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