US1582839A - Paper-crinkling machine - Google Patents

Paper-crinkling machine Download PDF

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Publication number
US1582839A
US1582839A US42200520A US1582839A US 1582839 A US1582839 A US 1582839A US 42200520 A US42200520 A US 42200520A US 1582839 A US1582839 A US 1582839A
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Prior art keywords
paper
web
roll
cylinder
belt
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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
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William A Lorenz
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OTAKA FABRIC Co
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OTAKA FABRIC Co
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31FMECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/12Crêping
    • B31F1/14Crêping by doctor blades arranged crosswise to the web

Description

April 27,1926, 7' 1,582,839

W. A. LORENZ PAPER GRINKLING MACHINE Filed Nov. 5, 1920 2 Sheets-Sheet 1 [7119672 for:

i Villz'am Allorenz April 27,, 1926. v

W. A. LORENZ PAPER CRINKLING MACHINE 2 Sheets-Sheet 2 Filed Nov. 5, 1920 by I Atty Patented Apr. 27, 1926 UNITED STATES PATENT OFFICE.

WILLIAM A. LORENZ, OF HARTFORD, CONNECTICUT, ASSIGNOR TO THE OTAKA FABRIC COMPANY, OF HARTFORD, CONNECTICUT,

A CORPORATION 01 CONNECTICUT.

PAPER-CRINKLING MACHINE.

Application fifd November 5,1920. Serial No. 422,005.

To alZ whom it concern;

Be it known that I, WImi M A. LORENZ, a citizen of the United States, residing in Hartford, in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements in Paper- Grinkling Machines, of which the following is a specification.

This invention relates to means for work ing paper, as by corrugating the same longitudinally and crinkling it transversely.

The object of the invention is to provide a simple, inexpensive and eflicient apparatus for corrugating the paper longitudinally, and also; to improve and simplify the means for crinkling the paper after it is corrugated. Heretofore, the operation of corrugating or forming longitudinal flutings in the web has involved gathering the web widthwise,

for making the corrugated web less in width than the original web, since considerable of the width of the paper is taken up in making the corrugations. j

I have found that by liberally wetting the paper as it unwinds from the supply roll, so that the moisture permeates the a web throughout, a tendency is set up for the web to expand laterally by reason of the presence. of the moisture, and also that the application of the moisture to the web renders it plastic and somewhat stretchable. Advantage is taken of both of these conditions, to present the moistened web directly to the corrugating rolls, Without previously plaiting or gathering the web into longitudinal grooves. Owing partly to the natural expansion ofthe wet web and partly to its plastic or stretchable condition, I have found that deep corrugations can be formed in the web directly by the corrugating rolls. The corrugated web, when sufiiciently dried, may be of substantially the same width as the original web, although it will be found somewhat re-:

' duced in thickness or weight, by reason of the stretching.

The web, while still moist, may be carried around one of the corrugating rolls to be presented to a doctor-blade, whereby it is transversely crinkled and also stripped from the roll; this being preferably done before the paper is fully dried. The roll which 00- operates with the doctor-blade is preferably of large diameter, and preferably heated, so that the fluted web is exposed to the heat in passing around the same, thus rendering the web better adapted for crinkling, and tending to secure a better product.

. For augmenting the efliciency of the crinkling cylinder, and co-operating with it to corrugate the web, and enabling it to crush the web against the doctor-blade with sufficient force to produce the required crinkling, there is preferably employed an endless belt to run upon said cylinder or drum, from the introductory side thereof to a point close to said doctor-blade. At this point the belt leaves the cylinder,and then runs overguide pulleys back to the introductory side of the cylinder again.

By carrying the belt close to the doctorblade, so that only a narrow space is left between the blade and the belt where the paper leaves the cylinder, an efficient crinkling device is produced, because the forcing of the paper to advance through such confined space has the effect of producing or favoring the desired crinkling action.

Another feature of the invention resides in the means for deepening, improving and fixing the corrugations in the web, and for .this purpose the belt is provided with sur- Figure 2 1s a sectional elevation thereof taken at about the line 2-2 of Figure 1.

Figure 3 is a sectional elevation on a larger scale, showing the crinkling means, and taken at about the line 3 3 of Figure 1.

Figure 4 is a plan to illustrate the relalation of the grooved doctor-blade to the crinkling cylinder.

Figure 5 1s a cross-section of the endless rugations without belt which is employed to hold the paper ontlohthe drum. e a aratus com rises a su rt 10 for a weli df pa er-in t he form of la i bll 11, the rotation 0 which is retarded by a wei hted friction strap 12.

rom the roll the paper is led at 13 directly to a pair of peripherally-grooved corrugating rolls 14, 15; but before entering the'bight of said rolls the paper, which may be porous or absorbent, is liberally-weton both sides by sprinkler pipes 16, 17.

The paper, before the rolling action takes 5 place, may be rendered so wet that is tends to expand laterally, and also so that it is plastic and slightly stretchable, so that it will yield to the incidental stretching action of the rolls without becoming torn or broken.

The roll, cylinder or drum1 5 is made of relatively large diameter, and may be provided with a steam pipe :18 to heat the pa er.

unning upon the cylinder 15xis an endless belt 19. This passes overjlrolls and pulleys 20, 21, 22, 23. The roll is ar-' ranged near the roll 14, where the paper runs onto the cylinder 15; and the roll 23 is arranged at the delivery side or portion of cylinder 15, and close toe-doctorblade 24. The belt 19 may, therefore, run around the cylinder 15 for more than half of its circumference; and said belt may be depended upon to improve or augment the corrugating action upon the paper, as well as to take an important part in the crinkling operation, as hereinafter explained. For aiding in'the forming or compacting of the grooves in the paper, and for holding the same firmly in the grooves in the cylinder 15, the belt may be provided with longitudinal ridges or ribs 25, to enter the corrugating peripheral grooves 26 in the cylinder; said grooves corresponding to the grooves 27 in the companion roll 14. The ribs 25 on the beltare rounded, and the ribs 28 on the cylinder are also rounded,-and the belt fits tightly throughout to the cylinder, so that it may pack the sheet into the grooves in the cylinder and thus aid in the operation of corrugating the paper; the latter being more readily worked at this time because the heat of the cylinder acts to diffuse the moisture throughout the paperv As the web travels around the cylinder, it tends to become heated and lessmoist, so that it reaches an excellent condition for crinkling. i

The paper may be so absorbent that it i will readily take up all the water that is required, so that it may be rolled into correliminary plaiting or gathering; and in t e case of heavier paper, or paper having more sizing, other means belt 30."

may tin thereof.

he belt 19 aids the cylinder 15 in carrying the .paper against the doctor-blade 24 and forcing it through the narrow space left between said doctor-blade and the roll 23, over'whichthe belt turns; the crinkling of the paper being indicated at 29, and the crinkled paper beingcarried by a delivery The machine ma be driven by a belt 31 and pulley 32, the atter having a pinion 33 inder 15. Said gear- 34, may mesh withapinion .35, which is connected to the corrube provided'for securing thorough wetgating 'roll 14. Also meshing with said gear is a pinion 36, connected with the crinkling roll 23.

The pressure of the'roll 23 may be produced by a spring 37, which is regulatable by a screw 38 provided with a lock-nut 39.

' Variations may be resorted to within the scope of theinvention, and ortions of the improvements may be used without others. Having thus described my invention, I claim:

1. The combination of a means for holding a supply roll of paper, corrugating rolls to which the paper is directl led from the supply roll, means between t e corrugating rolls and the supply roll for wetting the paper, and an endless power-driven belt run-r same into the corru ations, and a doctor-,

blade to co-operate with the roll upon which said belt runs.

3. The combination of a means for holding a'supply roll of paper, corrugating rolls to which the paper is directly led from the supply roll,- means between the corrugating rolls and the supply roll for wetting the paper, an endless power-driven belt running upon one of said corrugating rolls to hold the paper thereto, and formed to press the same into the corrugations, a doctor-blade to cooperate with the roll upon which said belt runs, and meansfor heating said roll.

4. The combination of a means for holding a supply roll of paper, corrugating rolls to which the paper is directly ledfrom the supply roll, means between the corrugating rolls and the supply roll for wetting the paper, and an endless power-driven belt supply roll, means roll for corrugating the wet web of ing a supply roll of paper,

longitudinal ribs to press the paper-into the grooves on said roll.

5. The combination. of a means for holdcorrugating rolls to which the paper is directly led from the between the corrugating rolls and the supply roll for wetting the paper, an endless power-driven belt running upon one of said-corrugating rolls to hold the paper thereto, and a doctor-blade to cooperate with the roll upon which said'belt runs, said belt running on the intake side of said roll to a point in proximity to said doctor-blade, to produce'a reduced passage through which the paper is crushed and whereby it is transversely crinkled.

' 6. In an apparatus for working paper, the combination of means for wetting the P p rolls for longitudinally corrugating the web of paper; a corrugated carrying belt engaging one of said rolls; and a roll for deflecting the belt away "from, the carrler roll.

7. In an apparatus for working paper, the,

combination of means for wetting the paper; a pair of peripherally-corrugated members, one of which-is a cylinder and the other of which is a roll for longitudinally corrugating the web of paper; a corrugated carrying belt engaging said cylinder; a'roll for deflecting the belt away from the carrier roll; and a corrugated doctor-blade engaging" the surface of the cylinder.

8. In an apparatus for crinkling paper, means for wetting or dampening the web of paper; means, including two annularly-corrugated members, one of which is a cylinder and the other of which is, a roll, for corrugating the wet web of paper longitudinally; a carrier belt engaging the web of paper as it passes over the cylinder; a roll for carrying this belt away from the cylinder; and a corrugated doctor-blade engagmg thesurface of the cylinder. j

, 9. In an apparatus for crinkling paper, means for wetting or dampening the webof paper; corrugated members, one of which is a cylinder and the other ofwhlch 1s a ap r. longitudinally; a corrugated carrier be t engaging the web of a er asit passes over said cylinder; a roll or carrying this belt away from the cylinder; and a corrugatc doctor-blade engaging the surface of the cylinder.

10. In an apparatus for crinkling paper, means for wetting or dampening the paper; a pair of annularly-corrugated members, one of which is a cylinder and the other of which is a roll for longitudinally corrugating the web of paper; a corrugated carrying belt engaging said cylinder; a corrua pair of peripherally corrugated p gated doctor-blade engaging the surface of i the cylinder; and a deflectingroll arranged in proximity to the doctor-blade for deflecting the belt away from the carriercylinder.

' 11. In an apparatus for crinkling paper,

means for wetting or dampening the web of paper; means for corrugating the wet web of paper longitudinally between two annularly-corrugated members, one of whichis a cylinder and the other of which is a roll;

' a carrier belt engaging the web of paper as it passes over the cylinder; a roll for carrying this belt away from the cvlinder, and in proximity with the doctor-blade, and a corrugated doctor-blade engaging the surface of the cylinder.

12. The combination of a corrugating roll, and an endless belt to run upon said corrugating roll to hold the paper thereto and ress the same into the corrugations. 13. The combination of a corrugating roll, an'endless belt to run upon said corrugating roll to hold the paper thereto and press the same into the corrugations, and a doctor-blade to co-operate with said roll.

14. The combination of a corrugating roll, and an endless belt to run upon said corrugating roll to hold. the paper thereto and press thesame into the corrugations, said belt having longitudinal ribs to press the paper into the grooves on said roll.

15. In an apparatus for crinkling paper, means for wetting or dampening the web of paper; means for corrugating the wet web of paper longitudinally, including a corrugated roll and a corrugated carrier belt engagingthe web of paper as it passes over 'gagin the surface of the roll.-

16. he process of liberally wetting a flat web, so that the moisture permeates the web throughout and sets u a tendency for the web to expand lateral y, and also renders the web plastic and stretchable; corrugating the moist flat web longitudinally and deeply by feeding it directly to corrugating rolls; the corrugated web having substantially the same width as the original-' flat web; and stripping the web from one of said rolls by means of a crinkling device.

Y 17. The process of liberally wetting a flat web, so that the moisture permeates the web throughout and sets up a tendency for the web to expand laterally, and also renders d the web plastic and stretchable; corrugating the moist flat web longitudinally and deeply by feeding it directly to corrugating rolls; the corrugated web having substantially the same width as the original flat web; stripping the web from one of said .rolls by means of a crinkling device; and holding the web in the corrugations on the roll by means of a flexible traveling device.

18. The process of liberally wetting aflatweb so that the moisture permeates throughout andsets up a tendency for the web to expand 1at era11y, and also renders the web I plastic and stretchable, and corrugating the moist flat web longitudinally by feeding it directly to corrugating rolls, said web being supported over a substantial area on one of said rolls before the web is corrugated, and on another of said rolls after it is cor rugated whereby to prevent the web from narrowing and maintaining the web of substantially flat web.

WILLIAM A. LORENZ.

the same width as the original

US1582839A 1920-11-05 1920-11-05 Paper-crinkling machine Expired - Lifetime US1582839A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2972378A (en) * 1955-06-23 1961-02-21 Josephu Augustinus Fr Henricus Treatment by compression of fibrocement wet sheet material and the like
DE2803386A1 (en) * 1977-01-26 1978-07-27 Bird Machine Co Apparatus for mechanical processing of a laengsweise moving material web, in particular for creping paper, textile, metal foils or plastic webs
US4142278A (en) * 1976-10-29 1979-03-06 Richard R. Walton Compressive treatment of web materials
US4859169A (en) * 1986-11-20 1989-08-22 Richard R. Walton Web processing by longitudinal compression using matched drive disks and retarding fingers
US4921643A (en) * 1988-06-24 1990-05-01 Richard R. Walton Web processing with two mated rolls
US6344110B1 (en) * 1997-12-30 2002-02-05 Sca Hygiene Products Ab Method of producing a paper having a three-dimensional pattern

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2972378A (en) * 1955-06-23 1961-02-21 Josephu Augustinus Fr Henricus Treatment by compression of fibrocement wet sheet material and the like
US4142278A (en) * 1976-10-29 1979-03-06 Richard R. Walton Compressive treatment of web materials
DE2803386A1 (en) * 1977-01-26 1978-07-27 Bird Machine Co Apparatus for mechanical processing of a laengsweise moving material web, in particular for creping paper, textile, metal foils or plastic webs
US4859169A (en) * 1986-11-20 1989-08-22 Richard R. Walton Web processing by longitudinal compression using matched drive disks and retarding fingers
US4921643A (en) * 1988-06-24 1990-05-01 Richard R. Walton Web processing with two mated rolls
US6344110B1 (en) * 1997-12-30 2002-02-05 Sca Hygiene Products Ab Method of producing a paper having a three-dimensional pattern

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