US1146455A - Binding means for briquets. - Google Patents

Binding means for briquets. Download PDF

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Publication number
US1146455A
US1146455A US77809913A US1913778099A US1146455A US 1146455 A US1146455 A US 1146455A US 77809913 A US77809913 A US 77809913A US 1913778099 A US1913778099 A US 1913778099A US 1146455 A US1146455 A US 1146455A
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United States
Prior art keywords
briquets
tar
binding means
wood
binding
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Expired - Lifetime
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US77809913A
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Wilhelm Schumacher
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Individual
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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
    • D21H17/62—Rosin; Derivatives thereof

Definitions

  • Binding means for briquets of finely powdered substances such ascoal or ores,consisting of wood-tar and calcium hydrate.

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  • Solid Fuels And Fuel-Associated Substances (AREA)

Description

WILHELM SCHUMACHER, or 'osNABRficK, GERMANY.
BINDING MEANS FOR BRIQUETS.
No Drawing.
To all whom it may concern:
Be it known at 1, WILHELM SCHUMACHER, chemist, a subject of the King of Prussia, residing at Osnabriick, in the Kingdom of Prussia, German Empire, have invented certain new and useful Improvements in Binding Means for Briquets, of which the following is a specification.
In connection with the production of briquets and particularly such as are made of finely divided substances such as coal dust or iron ores,- it has been frequently suggested that tar (coal tar) be employed as the binding means. Briquets thus made when baked together have not proved practicable for the reason that the tar melts when heated, becoming quite fluid at the higher temperatures, thus causing disintegrate and to return to their condition as powdered substances. The binding capacity of tar is totally lost in the presence of heat.
I have now discovered that the defects which were inherent in connection with the use of tar can be obviated by the employment as a binding means of wood-tar in place of ordinary tar and if simultaneously there is added a'sma-ll proportion of hydrate of lime. Five per cent. of wood-tar and one per cent. of lime is a fair aw erage example of the proportion of the binding 1nare employed a reaction seems to take place between the lime and the components of the Specification of Letters Patent. V
the, briquets to gredients. If these substances thus specified Patented July 13, 1915.
Application filed July 9, 1913. serial No. 778,099.
wood-tar which apparently results in the creation of insoluble compounds. The briquets produced by the use of this binding means are far more solid than the briquets made by the use of tar alone and they retain, even in the presence of great heat, their shape and condition as briqueted material. Calcium hydroxid or hydrate oflime which has been suggested as a binder for ores and the like does not result in anything like the rigidity or solidity in the briquets such as is produced by amixtureof wood-tar and calcium hydrate as described by me. Ordinary tar, that is coal tar, does not possess the property of hardening or of producing a hardened condition when mixed with lime.
What I claim is:
1. Binding means for briquets of finely powdered substances such ascoal or ores,consisting of wood-tar and calcium hydrate.
2.-Binding means for briquets of finely powdered substances such as coal orores,consisting of wood-tar and calcium hydrate in 'the approximate proportions of five per cent. of wood-tar and one per cent. of calcium hydrate.
In testimony whereof, I have hereunto set my hand in the presence of two subscribing witnesses.
WILHELM SCHUMACHER.
US77809913A 1913-07-09 1913-07-09 Binding means for briquets. Expired - Lifetime US1146455A (en)

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US77809913A US1146455A (en) 1913-07-09 1913-07-09 Binding means for briquets.

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US77809913A US1146455A (en) 1913-07-09 1913-07-09 Binding means for briquets.

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US1146455A true US1146455A (en) 1915-07-13

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US77809913A Expired - Lifetime US1146455A (en) 1913-07-09 1913-07-09 Binding means for briquets.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575733A (en) * 1946-12-07 1951-11-20 Westinghouse Electric Corp Flexible mica compositions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2575733A (en) * 1946-12-07 1951-11-20 Westinghouse Electric Corp Flexible mica compositions

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