US1178183A - Paper-making machine. - Google Patents

Paper-making machine. Download PDF

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Publication number
US1178183A
US1178183A US84812414A US1914848124A US1178183A US 1178183 A US1178183 A US 1178183A US 84812414 A US84812414 A US 84812414A US 1914848124 A US1914848124 A US 1914848124A US 1178183 A US1178183 A US 1178183A
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Prior art keywords
paper
suction
felt
making machine
wire
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Expired - Lifetime
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US84812414A
Inventor
Thomas H Savery Jr
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Individual
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Priority to US84812414A priority Critical patent/US1178183A/en
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/04—Arrangements thereof

Definitions

  • the object of the present invention is to avoid the marking of paper by the suction openings in paper making machinery employing suction rolls in combination wlth press rolls for extracting water and moisture from the paper pulp.
  • the paper is marked to correspond with the suction openings, the parts of the paper opposite the openings differing in color or shade from the parts opposite the solid portions or Walls surrounding these openings.
  • a top Wire or felt be used above the pulp between the suction roll and press roll, in addition to the bottom wire or felt heretofore employed, this marking of the paper by the suction is entirely avoided, the pressure and suction efi'ect apparently being distributed over the paper by the top wire or felt so as to produce a more uniform action and avoid the usual marking.
  • the drawing is a diagrammatic View of a.
  • a is the suction couch roll from which the pulp web as received from the Fourdrinier wire 12 passes to the bottom felt c on which the pulp web passes to first and second presses, consisting respectively of suction and press rolls 0!, e,
  • suction rolls cl, 7, may be'of any suitable construction and operated in any suitable manner, for instance, as fully shown and described in Letters Patent to Millspaugh No. 895,283, No. 994,862, and No.
  • 1,025,822, and the press rolls may be of metal, rubber or other suitable material, as desired.
  • a top wire or felt is, which passes with the pulp web as and bottom wire or felt 0 between the suction and press rolls, preferably between both pairs of rolls and leaving the web at the second press roll as usual with the bottom felt.
  • This top wire or felt may be of any suitable construction and arranged and driven in any suitable manner. It will be understood that wire or felt will be used as desired, in accordance with the product desired, as is usual in paper making machines.

Description

T. H. SAVERY, JR.
PAPER MAKING MACHINE.
APPLICATION FILED was 30. 1914.
1,178,183. I Patent-ed Apr. 4,1916,
UNITED STATES THOMAS H. SAVERY, JR, 0]? SANDUSKY, OHIO.
PAPER-MAKING MACHINE.
drawings, forming a part of the same.
The object of the present invention is to avoid the marking of paper by the suction openings in paper making machinery employing suction rolls in combination wlth press rolls for extracting water and moisture from the paper pulp.
It is found in practice that the paper is marked to correspond with the suction openings, the parts of the paper opposite the openings differing in color or shade from the parts opposite the solid portions or Walls surrounding these openings. I have discovered that, if a top Wire or felt be used above the pulp between the suction roll and press roll, in addition to the bottom wire or felt heretofore employed, this marking of the paper by the suction is entirely avoided, the pressure and suction efi'ect apparently being distributed over the paper by the top wire or felt so as to produce a more uniform action and avoid the usual marking.
In the accompanying drawing forming a part of this specification, I have shown for purpose of illustration my invention as applied in a preferred form in connection with a paper making machine of the Fourdrinler type, and from this illustration the applica tion of the invention to other types of paper making machines will be readily understood.
The drawing is a diagrammatic View of a.
portion of the Fourdrinier paper making machine with my invention, one of the suction rolls being in section to show the suction,
openings.
Referring to the drawing, a is the suction couch roll from which the pulp web as received from the Fourdrinier wire 12 passes to the bottom felt c on which the pulp web passes to first and second presses, consisting respectively of suction and press rolls 0!, e,
Specification of Letters Patent.
Patented Apr. 4, 1916.
Application filed June 30, 1914. Serial No. 848,124.
and f, g, the web w passing from the second suction press to the receiving drier h, all as common in this type of paper making machines. The suction rolls cl, 7, may be'of any suitable construction and operated in any suitable manner, for instance, as fully shown and described in Letters Patent to Millspaugh No. 895,283, No. 994,862, and No.
1,025,822, and the press rolls may be of metal, rubber or other suitable material, as desired.
In'accordance with my invention, I employ, for avoiding the marking of the paper by the suction, a top wire or felt is, which passes with the pulp web as and bottom wire or felt 0 between the suction and press rolls, preferably between both pairs of rolls and leaving the web at the second press roll as usual with the bottom felt. This top wire or felt may be of any suitable construction and arranged and driven in any suitable manner. It will be understood that wire or felt will be used as desired, in accordance with the product desired, as is usual in paper making machines.
What I claim is:
1. In a paper making machine, the combination'with the press roll and cotiperating suction roll of the press portion of the machine, and a paper carrying wire or felt between the paper and suction roll, of a wire or felt between the paper and press roll passing with the paper and carrving wire or felt between the suction roll and press roll.
2. The combination with a plurality of suction rolls and their'corresponding press rolls, the press rolls being arranged above the suction rolls and bottom wire or felt of a paper making machine, of a wire or felt above the paper passing with the paper and bottom wire or felt between each of the plurality of press rolls and suction rolls.
In testimony whereof, I have hereunto set my hand, in the presence of two subscribing witnesses.
THOMAS H. SAVERY, JR.
Witnesses:
Tnos. M. TULLEY, JAMES WEBB.
US84812414A 1914-06-30 1914-06-30 Paper-making machine. Expired - Lifetime US1178183A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US84812414A US1178183A (en) 1914-06-30 1914-06-30 Paper-making machine.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84812414A US1178183A (en) 1914-06-30 1914-06-30 Paper-making machine.

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US1178183A true US1178183A (en) 1916-04-04

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US84812414A Expired - Lifetime US1178183A (en) 1914-06-30 1914-06-30 Paper-making machine.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843505A (en) * 1954-02-04 1958-07-15 Wood Conversion Co Method and apparatus for treating impregnated fiber webs
US3629056A (en) * 1969-04-03 1971-12-21 Beloit Corp Apparatus for forming high bulk tissue having a pattern imprinted thereon
US4192713A (en) * 1977-02-18 1980-03-11 Valkama P J Intermediate press nip of a paper machine press section

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843505A (en) * 1954-02-04 1958-07-15 Wood Conversion Co Method and apparatus for treating impregnated fiber webs
US3629056A (en) * 1969-04-03 1971-12-21 Beloit Corp Apparatus for forming high bulk tissue having a pattern imprinted thereon
US4192713A (en) * 1977-02-18 1980-03-11 Valkama P J Intermediate press nip of a paper machine press section

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