US1667292A - Machine for making elastic paper - Google Patents

Machine for making elastic paper Download PDF

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Publication number
US1667292A
US1667292A US18230327A US1667292A US 1667292 A US1667292 A US 1667292A US 18230327 A US18230327 A US 18230327A US 1667292 A US1667292 A US 1667292A
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Prior art keywords
cylinder
doctor
paper
machine
rotating
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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
    • B31F1/122Crêping the paper being submitted to an additional mechanical deformation other than crêping, e.g. for making it elastic in all directions

Description

April 24, 1928.

W. A. LORENZ MACHINE FOR MAKING ELASTIC PAPER Filed April 9, 1927 0 b n w w 3 bio (ltbozweq Patented Apr. '24, 1928.

UNITED STATES PATENT OFFICE.

WILLIAM A. LORENZ, CF WESTHARTFORD, CONNECTICUT, ASSIGNOB TO THE OTAKE FABRIC COMPANY, OF HARTFORD, CONNECTICUT,. A CORPOBATICN 0F CONNECTI- CUT.

Application filed April 9,-

This invention relates to transversely creping or crinkling a. web of paper.

The object of the invention is to provide an improved machine which is very simple and inexpensive in construction and operation, which will produce transversely crinkled paper at a high rate of production, and which may be employed to transversely crinkle papers of various weights and strengths without tearing or otherwise inj uring the same.

A further aim of the invention is to provide an improved arrangement for -.crinkli ng paper wherein a fixed doctor blade, hereto.- fore employed. to strip the paper from the crinkling cylinder and crinkle the paper, together with its attendant disadvantages, is eliminated.

In accordance with the present invention, there is provided a rotating doctor which is so associated with a crinkling cylinder that the cylinder carries the paper against the' periphery of the doctor. Associated with the crinkling cylinder and the rotating doctor may be a suction box so disposed as to hold the paper on the crinklin cylinder as it is brought against the rotating doctor.

Other objects will be in part obvious and in part pointed out more in detail.

The invention accordingly consists in the features of construction, combination of elements-and arrangement of parts which will be exemplified in the construction hereinafter set fortli, and the scope of the application of which will be indicated in the appended claims.

In the accompanying drawings, wherein 1 have shown, for illustrative purposes, one embodiment which the present invention may take, this disclosure being more or less conventional or diagrammatic:

Figure 1 is a vertical sectional view through so much of the machine as is necessary to explain the invention; and

Fig. 2 is a top plan view of the machine.

{eferring to the drawings in detail, A designates generally the crinkling cylinder or carrier, and B designates the rotatin doctor. The cylinder A is provided with a plurality of spaced apart disks or flanges 10 between which are relative] deep annular grooves or channels 11. T e doctor has uAcnnm non MAKING ELASTIC nun.

1827. Serial No. 182,808.

a plurality of flanges or disks 12 which alternate with the flanges 10 and extend into the grooves 11. 'The flanges or disks 10 of the cylinder extend into the grooves or channels 13 of the doctor. Thus, it will be seen that the peripheries of the disks or flanges of the doctor and cylinder intersect, so to speak, and, preferably, the angle 14 between the peripheries of the cylinder and the doctor is relatively large. The peripheries of the flanges 12 of the doctor are, by preferencc, roughened as by notching in order to aid in preventing the paper 'from slip ing over these surfaces without being crinl ded The doctor is driven at a slower peripheral speed than that of the cylinder so that, as the cylinder carries the paper against the periphery of the doctor, the speed of the paper is retarded, resulting in crinkling of the pa er.

In t 1e present illustrative disclosure, the shaft 15 of the cylinderA is provided with a 1 gear 16 which meshes with the intermediate gear 16 which, in turn, meshes with a larger gear 17 on the shaft 18 of the doctor.

Obviously, the relative sizes of the doctor and cylinder and the gears 16 and 17 may be varied as desired, depending upon the degree of creping or crinkling to be produced.

The web of paper, designated generally by the letter I, may be delivered to ,the crinkling cylinder through a pair of rolls 19 and associated with the cylinder may be a roll 20 between which and the cylinder the paper passes. The crinkled portion of the web is designated by the letter P'.- After the pa r is crinkled, it may be delivered to a suita le belt 21.

For the purpose of holding the paper-on the periphery of the cylinder A, and to prevent' premature stripping of the paper from this cylinder adjacent the rotating doctor, I provide a suction arrangement which is here shown more or less diagrammatically as comprising a suction box C. The suction box has an opening in its upper face in which the upper portions of the doctor and cylinder are located. To the rear of this opening, the suction box has a'wall 25 which is substantially tangential to the periphery of the cylinder, and the edge of this wall is in close proximity to the cylinder. The

paper P, as it passes from the rolls 19 to the cylinder, slides over this wall and, in

part, seals the crack between the edge of the paper is closely held against the peripheries of the disks of these members. Owing to the arrangement of the cylinde' and to the effect of the suction, the paper, particularly if it is dampened, will be longitudinally corrugated so that the resultant paper is longitudinally corrugated and cross crinkled making it more or less elastic in. all direc-' tions. The paper web may be crinkled in adry state, or it may be dampened if desired.

I claim as my invention: 1. In a machine for c'rinkling paper webs, a cylinder, a. rotating doctor intersecting the periphery of said cylinder, and means for driving the doctor in the same direction as but at a slower speed than said cylinder.

2. In a machine for crinkling paper webs, a cylinder provided with circumferential grooves, a doctor having circumferential fianges extending into said grooves, and

means for rotating the doctor in the same direction as but at a slower speed than said cylinder.

I 3. In a machine for crinklingpaper webs, a cylinder provided with circumferential flanges and grooves therebetween, a rotating cylindrical doctor having circumferential flanges extending into the grooves of said cylinder, and means for rotating said doctor in the same direction as but "at a slower speed than said cylinder.

4. In a machine for crinkling paper-webs, a cylinder,'a rotating doctor intersecting the periphery of said cylinder, means for drivmg the doctor in the same direction as but at a slower speed than said cylinder, and suction means for holding the paper on said cylinder.

5. In a machine for crinkling paper webs, a cylinder provided with circumterential grooves, a doctor having circiunferential flanges extending into said grooves. means for rotating the doctor in the same direction as butv at a slower speed than said cylinder, and means for creating a suction in the grooves of said cylinder beneath the paper thereon.

6. In a machine for crinkling paper webs, a cylinder provided with circumferential flanges and grooves therebetween. a rotating doctor having circumferential flanges and grooves therebetween, the flanges of said cylinder overlapping those of said doctor, means for rotating said doctor in thesame direction as but at a slower speed than said cylinder, and means for creating a suction in the grooves of said cylinder and doctor and beneath the pa er thereon.

7. In a machine or crinkling paper webs, a rotating cylinder provided with circumferential flanges and grooves therebetween, a rotating doctor having circumferential flanges extending into the grooves of said cylinder, means for rotating said doctor in the same direction as but at a slower speed than said cylinder, and a suction box in which said cylinder and doctor are positioned, said .suction box having an openin into which said cylinder and doctor extend? WILLIAM. A. LORENZ.

US1667292A 1927-04-09 1927-04-09 Machine for making elastic paper Expired - Lifetime US1667292A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751966A (en) * 1952-12-18 1956-06-26 Techtmann Ind Hand heat sealer
US2761490A (en) * 1953-11-09 1956-09-04 Victor G Dugal Condensing of sheet materials
US2915109A (en) * 1957-05-07 1959-12-01 Richard R Walton Condensing traveling sheet materials
US3519521A (en) * 1967-05-22 1970-07-07 Celfil Co Apparatus for making filtering material for cigarettes
US3864066A (en) * 1972-06-15 1975-02-04 Siempelkamp Gmbh & Co Apparatus for spreading comminuted partly cementitious material on a moving support
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
US20020089087A1 (en) * 1998-07-29 2002-07-11 Clopay Plastic Products Company, Inc. Method and apparatus for interdigitally stretching polymer films and nonwoven webs

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751966A (en) * 1952-12-18 1956-06-26 Techtmann Ind Hand heat sealer
US2761490A (en) * 1953-11-09 1956-09-04 Victor G Dugal Condensing of sheet materials
US2915109A (en) * 1957-05-07 1959-12-01 Richard R Walton Condensing traveling sheet materials
US3519521A (en) * 1967-05-22 1970-07-07 Celfil Co Apparatus for making filtering material for cigarettes
US3864066A (en) * 1972-06-15 1975-02-04 Siempelkamp Gmbh & Co Apparatus for spreading comminuted partly cementitious material on a moving support
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
US20020089087A1 (en) * 1998-07-29 2002-07-11 Clopay Plastic Products Company, Inc. Method and apparatus for interdigitally stretching polymer films and nonwoven webs

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