US663868A - Treatment of wood-pulp. - Google Patents

Treatment of wood-pulp. Download PDF

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Publication number
US663868A
US663868A US70098699A US1899700986A US663868A US 663868 A US663868 A US 663868A US 70098699 A US70098699 A US 70098699A US 1899700986 A US1899700986 A US 1899700986A US 663868 A US663868 A US 663868A
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pulp
wood
treatment
particles
fibrous
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US70098699A
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Francis Charles Crean
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam

Definitions

  • T0 aZZ whom it may concern Be it known that I, FRANCIS CHARLES OREAN, of the city of Montreal, province of Quebec, Canada, have invented certain new and useful Improvements in the Treatment of Wood-Pulp; and I do hereby declare that the following is a full, clear, and exact description of the same.
  • This invention relates to the treatment of wood-pulp with a view to reducing the cost of transportation of same between the pulp-factory and paper-mills.
  • the drying of the particles has the effect of curling them up into shape approximating curls, some being larger than others and their fibrous character appearing more or less at their edges.
  • Paper-pulp in a finely-divided and loose dry fibrous and flocculent form substantially as described.

Description

m 663,868. Patented Dec. I8, I900.
' F. c. CREAN.
TREATMENT OF WOOD PULP.
(Application filed Jan. 3, 1899.)
(SpecimensJ m: mourns ozrcns co mom-Luna wnsumsrou. c.
, that the pulp afterit reaches the blanket (inllnirnn Srarns Parana? Uranus,
FRANCIS CHARLES OREAN,
OF MONTREAL, CANADA.
TREATMENT OF WOOD-PULP.
SPECIFICATION forming part of Letters Patent No. 663,868, dated December 18, 1900.
Application filed January 3, 1899.
T0 aZZ whom it may concern Be it known that I, FRANCIS CHARLES OREAN, of the city of Montreal, Province of Quebec, Canada, have invented certain new and useful Improvements in the Treatment of Wood-Pulp; and I do hereby declare that the following is a full, clear, and exact description of the same.
This invention relates to the treatment of wood-pulp with a view to reducing the cost of transportation of same between the pulp-factory and paper-mills.
Heretofore the pulp has been transported in the form of sheets more or less wet and its weight consequently being augmented by about sixty per cent. of water. It is the object of the present invention not only to get rid of such redundant weight, but to render the pulp loose, dry, fibrous, and fiocculent in form, to be easily baled for transportation. For full comprehension, however,of my invention, reference must be had to the accompanying drawing, wherein a machine for carrying out my invention is illustrated in longitudinal vertical sectional view.
In carrying out my invention I arrange dicated at a) from the wet machine shall pass from such blanket not onto the windingroll, as formerly, but into contact with a disintegrating-cylinder b, rotating at high speed. The perimeter of this cylinder is preferably formed of wire mesh 0, although obviously it can instead be provided with fine teeth, or other disintegrating means'be provided,with in the scope of my invention. This disinte- Serial No- 700,986 (Specimens) grating-cylinder breaks up the pulp into finely divided and separated particles of fibrous form, which are thrown off the cylinder by centrifugal force into a suitable hot chamber cl, where they are dried and rendered flocculent by the heat suppliedin the form of hot air through a pipe 6, leading from any available source. The particles f are then drawn through the chamber by a suction-fan g and delivered therefrom at any desired point in a loose, dry, fibrous, and flocculent form, the draft caused by said suction-fan preventing the particles settling to the floor.
The drying of the particles has the effect of curling them up into shape approximating curls, some being larger than others and their fibrous character appearing more or less at their edges.
What I claim is as follows:
1. Paper-pulp in a finely-divided and loose dry fibrous and flocculent form, substantially as described.
2. The process of producing pulp in marketable form, which consists in forming the pulp into a more or less wet sheet or web, disintegrating said sheet or v'v eb intd'finely-divided and separated particles, drying said particles and rendering them loose and .flocculent by subjecting them to a draft of heated air, substantially as described.
In testimony whereof I have aifixed my signature in presence of two witnesses.
FRANCIS CHARLES OREAN.
Witnesses:
FRED. J. SEARS, LORNE MACKENZIE.
US70098699A 1899-01-03 1899-01-03 Treatment of wood-pulp. Expired - Lifetime US663868A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637915A (en) * 1948-05-06 1953-05-12 Alexander C H Weiss Apparatus for treating pulp and resin mixtures
US2755513A (en) * 1953-01-17 1956-07-24 Fleissner & Sohn Maschf Apparatus for drying loose fibrous materials
US2800286A (en) * 1954-01-20 1957-07-23 James G Bryant Suction conveying means for a hammer mill
US2974420A (en) * 1956-10-02 1961-03-14 Courtaulds Ltd Preparation of wood pulp
US3003911A (en) * 1958-04-07 1961-10-10 Little Inc A Fibrous aggregates and process and apparatus for making them
DE1232075B (en) * 1961-05-18 1967-01-05 Benedikt Harlacher Shredder and feed for a dryer for grass meal
US4888885A (en) * 1987-11-18 1989-12-26 New Hampshire Flakeboard, Inc. Dryer for combustible chip-like material
US20110228922A1 (en) * 2010-03-19 2011-09-22 Avaya Inc. System and method for joining conference calls
WO2013160480A3 (en) * 2012-04-28 2013-12-19 Geisinger Michael Device for reducing the liquid content of a substrate, comprising a rotation-activated centrifugal shaft and device for thermally treating a wet substrate, comprising said type of device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637915A (en) * 1948-05-06 1953-05-12 Alexander C H Weiss Apparatus for treating pulp and resin mixtures
US2755513A (en) * 1953-01-17 1956-07-24 Fleissner & Sohn Maschf Apparatus for drying loose fibrous materials
US2800286A (en) * 1954-01-20 1957-07-23 James G Bryant Suction conveying means for a hammer mill
US2974420A (en) * 1956-10-02 1961-03-14 Courtaulds Ltd Preparation of wood pulp
US3003911A (en) * 1958-04-07 1961-10-10 Little Inc A Fibrous aggregates and process and apparatus for making them
DE1232075B (en) * 1961-05-18 1967-01-05 Benedikt Harlacher Shredder and feed for a dryer for grass meal
US4888885A (en) * 1987-11-18 1989-12-26 New Hampshire Flakeboard, Inc. Dryer for combustible chip-like material
US20110228922A1 (en) * 2010-03-19 2011-09-22 Avaya Inc. System and method for joining conference calls
WO2013160480A3 (en) * 2012-04-28 2013-12-19 Geisinger Michael Device for reducing the liquid content of a substrate, comprising a rotation-activated centrifugal shaft and device for thermally treating a wet substrate, comprising said type of device

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