US3639955A - Apparatus for crimping groups of synthetic filaments - Google Patents

Apparatus for crimping groups of synthetic filaments Download PDF

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Publication number
US3639955A
US3639955A US3639955DA US3639955A US 3639955 A US3639955 A US 3639955A US 3639955D A US3639955D A US 3639955DA US 3639955 A US3639955 A US 3639955A
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Prior art keywords
compartment
roller means
means
plate
compression
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Expired - Lifetime
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Heinz Fleissner
Gerold Fleissner
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Vepa AG
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Vepa AG
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    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/12Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using stuffer boxes

Abstract

The present disclosure is directed to an improved device for crimping groups of textile filaments, for example, synthetic filaments utilizing a pair of rollers and a compression compartment. The device produces a uniform crimp and contains features which facilitate the cleaning and maintenance thereof.

Description

0 United States Patent [151 3,639,955 Fleissner et al. 5] Feb. 8, 1972 [54] APPARATUS FOR CRIMPING GROUPS 3,160,941 12/1964 Williamson ..28/ 1.6 OF SYNTHETIC FILAMENTS 3,241,213 3/1966 Thompson et a1. ..28/16 3,305,897 2/1967 Meibohm 28/7214 [72] Inventors: Heinz Flelssner; Gerold Fleissner, both of 3,526,937 9/1970 Kublerfifl "28",

Egelsbach, Germany [73] Assignee; Vcpa Ag, Primary ExaminerLouis K. Rimrodt Filed: Dec. 1969 Att0rney-Cra1g,Antonelh&Hill

[21] Appl. No.: 886,737 [57] ABSTRACT The present disclosure is directed to an improved device for [30] Foreign Application Priority D t crimping groups of textile filaments, for example, synthetic filaments utilizing a pair of rollers and a compression compan- Dec. 20, 1968 Germany ..P 18 16 028.6 ment' The device producesa uniform crimp and contains 52 us. 01 ..28/1.6 wh'ch 1 cleamng and ma'menance there [511 14 Claims,2 n F [58] Field of Search ..28/l.6, 1.7, 72.14 rawmg Igures [56] References Cited UNITED STATES PATENTS Klein ..28/1.6

APPARATUS FOR CRIMPING GROUPS OF SYNTHETIC FILAMENTS BACKGROUND OF THE INVENTION The present invention relates to an apparatus for crimping groups of synthetic filaments, also called tows, which comprises a pair of rollers and a compression compartment provided with a movable, that is, a swivelable plate for holding the material back in the compression compartment and producing an adequate compression force.

When considering all of the elements of the production of synthetic fibers, the crimping devices are the most critical, necessitating very careful and lengthy maintenance. In order to produce a perfectly uniform crimp of the filaments, the device must at all times be absolutely clean and correctly adjusted. For cleaning purposes, the well-known forms of construction of the crimping device have to be dismounted, i.e., the compression compartment must be removed. This dismounting and remounting as well as the subsequent readjustments are very time consuming. This is the reason why the cleaning works are generally delayed as long as possible, even though this results in a somewhat inferior crimping effect. Very often, manufacturers install additional crimping devices in order to be able to dismount and clean the devices in turns.

With the well-known crimping devices it is inevitable that fibers will cling to the machine. This usually happens at the passages between the movable and stationary machine element, i.e., at the passages between the rollers and the top and bottom plates of the crimping compartment and at the edges of the top and bottom and the side plates.

SUMMARY OF THE INVENTION An object of the present invention is to avoid the prior art disadvantages in crimping textile materials.

Another object of the present invention is to provide a crimping device which produces a uniform crimp and which can be much more easily cleaned and maintained.

Other objects and further scope of applicability of the present invention will become from the detailed description given hereinafter; it should be understood, however, that the detailed description and specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art from this detailed description.

Pursuant to the present invention, the above-mentioned disadvantages may be eliminated and a much improved crimping device can be achieved by supporting the compression compartment and the movable plate to be swivelable, the movable plate being swung out to one side and the compression compartment to the other.

Here it is of advantage to provide the pressure cylinders, e.g., compressed air cylinders, with an appropriate pressure rod system which is connected to the swiveling machine elements. When the machine is set for operation, the compression compartment and the movable plate can be fixed by means of a mechanical quick-action lock, e.g., an eccentric crossbar. However, in this case, too, it is advantageous to use pressure cylinders for fixing the compression compartment and the movable plate in the operating position. These elements are then pressed against buffers by means of a certain amount of pressure force and maintained in the operation position. It is possible to use the pressure cylinders as well as the rod system connected therewith and serving for swinging out the compression compartment and the movable plate, for the adjustment and the fixing of these elements in the operation position, too. An especially sturdy support of the swivelable parts of the compression compartment can be obtained if the swivel axes, i.e., the swing bases of these parts are mounted outside the main bearing axis, i.e., the bearing axis of the pair of rollers. This arrangement permits the reinforcement of the main bearings and the avoidance of any undesired bending of said bearings. An absolutely smooth running of the crimping device is obtained if the top plate of the compression compartment is movable.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention will become more fully understood from the detailed description given hereinbelow and the ac companying drawings which are given by way of illustration only and thus are not limitative of the present invention and wherein;

FIG. 1 shows the apparatus of the present invention in operating position; and

FIG. 2 shows the apparatus of FIG. 1 in the cleaning position.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to the drawings, the apparatus of the present invention comprises a pair of rollers with a stationary top roller 1 and a swivelable bottom roller 2. By means of these rotating rollers, the groups of synthetic filaments (not shown in the drawing) are pressed into a subsequent compression compartment 3. This compression compartment 3 has a swivelable bottom plate 4 and a top plate 5 which is stationary in operating position and rigidly connected to sideplates 6.

According to the present invention, the movable plate 4 as well as the rest of the compartment, i.e., elements 6 and 5 are supported to be swivelable around an axis 7. Through a system of rods 8, these compartment elements 4, 5, and 6 are connected to compressed air cylinders 9, permitting the elements 4, 5 and 6 to be swung out into a cleaning position as well as to fix these compartment elements 4, 5 and 6 in the operating position.

The bottom roller 2 is supported to be swivelable around an axis 10 and in the operating position it is pressed against the top roller 1 by means of another pressure cylinder II. For cleaning purposes is can be moved downwards, as shown in FIG. 2. Since the movable plate 4 is supported on a traverse 13 on which also the roller 2 is supported, this moving-down action permits the swinging out of element 4 as well as the rest of the compression compartment, i.e., elements 5 and 6. At the sideplates 6 of the compression compartment 3 are provided with lamellas 12 which seal off the compression compartment against the rollers 1 and 2 when being set to operating position.

The axis 7 is supported on sideplates 14 which are in turn swivelable around the axis of the roller 2 so that the movable plate 4, the axis 7 and the sideplates 14 can be moved upwards by means of the pressure cylinder 9 until the bottom plate 4 is in contact with the top plate 5. When operation of the machine begins, these elements are maintained in this position until the compression force is produced. By means of this compression force the moved-up elements are then pressed into the position which is shown in FIG. I.

The invention being thus described, it will be obvious that the same may be varied in many ways. Such variations are not to be regarded as a departure from the spirit and scope of the invention, and all such modifications as would be apparent to one skilled in the art are intended to be included.

What is claimed is:

l. A device for crimping groups of textile filaments which comprises a pair of opposing rollers disposed one above the other, one of said roller being mounted in a stationary manner and the other of said rollers being swivelably mounted, a compression compartment comprising a swivelable bottom plate and a top plate which is stationary in operating position and rigidly connected to sideplates, said compression compartment being associated with the nip of the rollers on one side of said rollers, pressure cylinder means associated with the top and bottom plates of the compression compartment for swinging the elements of said compartment out of operating position and pressure cylinder means associated with the rollers for pressing the bottom roller against the top roller.

2. The device of claim 1, wherein lamellas are provided at the sideplates of the compression compartment to seal off said compartment against the rollers when being set in the operating position.

3. A device for crimping groups of textile filaments which comprises a pair of opposing roller means, one roller means being mounted in a stationary manner and the other roller means being swivelably mounted, a compression compartment associated with said pair of roller means for receiving groups'of textile filaments from said roller means, said compression compartment having a swivelable plate adapted to hold the textile filaments back in the compression compartment and to produce an adequate compression force for crimping said filaments in the operating position of said device, said swivelable plate being supported to be swivelable to one side and the remaining portion of the compression compartment being supported to be swivelable to the other side, and operating means associated with the compression compartment for swinging said plate and said remaining portion of said compartment out of the operating position.

4. The device of claim 3, wherein pressure cylinder means are associated with the swivelable plate and the remaining portion of the compression compartment for making the swivel motion possible.

5. The device of claim 4, wherein the swivelable plate and the remaining portion of the compression compartment are fixed in operating position by said pressure cylinder means.

6. The device of claim 5, wherein the pressure cylinder means are compressed air cylinders.

7. A device for crimping groups of textile filaments which comprises a pair of opposing roller means, one roller means being mounted in a stationary manner and the other roller means being swivelably mounted, a compression compartment associated with said pair of roller means for receiving groups of textile filaments from said roller means, said compression compartment having a swivelable plate adapted to hold the textile filaments back in the compression compartment and to produce an adequate compression force for crimping said filaments in the operating position of said device, operating means associated with the compression compartment for swinging the plate and the remaining portion of said compartment out of the operating position and means including a mechanical quick-action lock for fixing said plate and the remaining portion of said compression compartment in the operating position.

8. The device of claim 7, wherein the quick-action lock is an eccentric crossbar.

9. A device for crimping groups of textile filaments which comprises a pair of opposing roller means, one roller means being mounted in a stationary manner and the other roller means being swivelably mounted, a compression compartment associated with said pair of roller means for receiving groups of textile filaments from said roller means, said compression compartment having a swivelable plate adapted to hold the textile filaments back in the compression compartment and to produce an adequate compression force for crimping said filaments in the operating position of said device, operating means associated with the compression compartment for swinging said plate and the remaining portion of the said compartment out of the operating position, said operating means also serving at the same time to set and to fix the compression compartment in the operating position.

10. A device for crimping groups of textile filaments which comprises a pair of opposing roller means, one roller means being mounted in a stationary manner and the other roller means being swivelably mounted, a compression compartment associated with said said pair of roller means for receiving groups of textile filaments from said roller means, said compression compartment having a swivelable plate adapted to hold the textile filaments back in the compression compartment and to produce an adequate compression force for crimping said filaments in the operating position of said device, said plate being mounted about one swivel axis and the remaining portion of said compartment being mounted about another swivel axis, each of said roller means being provided with bearings in which said roller means are rotatably mounted, said swivel axes being mounted outside the bearing axis of each of said roller means and. operating means associated with the compression compartment for swinging said plate and the remaining portion of said compartment out of the operating position.

11. A device for crimping groups of textile filaments which comprises a pair of opposing roller means, one roller means being mounted in a stationary manner and the other roller means being swivelably mounted, a compression compartment associated with said pair of roller means for receiving groups of textile filaments from said roller means, said compression compartment having a swivelable plate adapted to hold the textile filaments back in the compression compartment and to produce an adequate compression force for crimping said filaments in the operating position of said device, said compression compartment also having a movable top plate and operating means associated with the compression compartment for swinging said plates and the remaining portion of said compartment out of the operating position.

12. The device of claim 11, wherein said swivelable plate acts as a bottom plate in said compartment and the top plate is stationary in the operating position and is rigidly connected to said plates of said compression compartment.

13. A device for crimping groups of textile filaments which comprises a pair of opposite roller means, one roller means being mounted on stationary support means, and the other roller means being mounted on swivelably movable support means whereby said other roller means is displaceable from said one roller means, a compression compartment operatively associated with said pair of roller means for receiving filaments therefrom, said compartment having a movable plate adapted to hold the textile filaments back in the compartment and to produce an adequate compression force for crimping said filaments, said movable plate being mounted on said swivelably movable support means so that said plate is displaceable with said other roller means.

14. The device of claim 13, wherein said movable plate is mounted to be pivoted out of the operating position and means are operatively associated with said plate for swinging said plate out of said operating position.

Claims (14)

1. A device for crimping groups of textile filaments which comprises a Pair of opposing rollers disposed one above the other, one of said roller being mounted in a stationary manner and the other of said rollers being swivelably mounted, a compression compartment comprising a swivelable bottom plate and a top plate which is stationary in operating position and rigidly connected to sideplates, said compression compartment being associated with the nip of the rollers on one side of said rollers, pressure cylinder means associated with the top and bottom plates of the compression compartment for swinging the elements of said compartment out of operating position and pressure cylinder means associated with the rollers for pressing the bottom roller against the top roller.
2. The device of claim 1, wherein lamellas are provided at the sideplates of the compression compartment to seal off said compartment against the rollers when being set in the operating position.
3. A device for crimping groups of textile filaments which comprises a pair of opposing roller means, one roller means being mounted in a stationary manner and the other roller means being swivelably mounted, a compression compartment associated with said pair of roller means for receiving groups of textile filaments from said roller means, said compression compartment having a swivelable plate adapted to hold the textile filaments back in the compression compartment and to produce an adequate compression force for crimping said filaments in the operating position of said device, said swivelable plate being supported to be swivelable to one side and the remaining portion of the compression compartment being supported to be swivelable to the other side, and operating means associated with the compression compartment for swinging said plate and said remaining portion of said compartment out of the operating position.
4. The device of claim 3, wherein pressure cylinder means are associated with the swivelable plate and the remaining portion of the compression compartment for making the swivel motion possible.
5. The device of claim 4, wherein the swivelable plate and the remaining portion of the compression compartment are fixed in operating position by said pressure cylinder means.
6. The device of claim 5, wherein the pressure cylinder means are compressed air cylinders.
7. A device for crimping groups of textile filaments which comprises a pair of opposing roller means, one roller means being mounted in a stationary manner and the other roller means being swivelably mounted, a compression compartment associated with said pair of roller means for receiving groups of textile filaments from said roller means, said compression compartment having a swivelable plate adapted to hold the textile filaments back in the compression compartment and to produce an adequate compression force for crimping said filaments in the operating position of said device, operating means associated with the compression compartment for swinging the plate and the remaining portion of said compartment out of the operating position and means including a mechanical quick-action lock for fixing said plate and the remaining portion of said compression compartment in the operating position.
8. The device of claim 7, wherein the quick-action lock is an eccentric crossbar.
9. A device for crimping groups of textile filaments which comprises a pair of opposing roller means, one roller means being mounted in a stationary manner and the other roller means being swivelably mounted, a compression compartment associated with said pair of roller means for receiving groups of textile filaments from said roller means, said compression compartment having a swivelable plate adapted to hold the textile filaments back in the compression compartment and to produce an adequate compression force for crimping said filaments in the operating position of said device, operating means associated with the compression compartment for swinging said plate and the remaining portion of the said compartment out of the operating pOsition, said operating means also serving at the same time to set and to fix the compression compartment in the operating position.
10. A device for crimping groups of textile filaments which comprises a pair of opposing roller means, one roller means being mounted in a stationary manner and the other roller means being swivelably mounted, a compression compartment associated with said pair of roller means for receiving groups of textile filaments from said roller means, said compression compartment having a swivelable plate adapted to hold the textile filaments back in the compression compartment and to produce an adequate compression force for crimping said filaments in the operating position of said device, said plate being mounted about one swivel axis and the remaining portion of said compartment being mounted about another swivel axis, each of said roller means being provided with bearings in which said roller means are rotatably mounted, said swivel axes being mounted outside the bearing axis of each of said roller means and operating means associated with the compression compartment for swinging said plate and the remaining portion of said compartment out of the operating position.
11. A device for crimping groups of textile filaments which comprises a pair of opposing roller means, one roller means being mounted in a stationary manner and the other roller means being swivelably mounted, a compression compartment associated with said pair of roller means for receiving groups of textile filaments from said roller means, said compression compartment having a swivelable plate adapted to hold the textile filaments back in the compression compartment and to produce an adequate compression force for crimping said filaments in the operating position of said device, said compression compartment also having a movable top plate and operating means associated with the compression compartment for swinging said plates and the remaining portion of said compartment out of the operating position.
12. The device of claim 11 wherein said swivelable plate acts as a bottom plate in said compartment and the top plate is stationary in the operating position and is rigidly connected to said plates of said compression compartment.
13. A device for crimping groups of textile filaments which comprises a pair of opposite roller means, one roller means being mounted on stationary support means, and the other roller means being mounted on swivelably movable support means whereby said other roller means is displaceable from said one roller means, a compression compartment operatively associated with said pair of roller means for receiving filaments therefrom, said compartment having a movable plate adapted to hold the textile filaments back in the compartment and to produce an adequate compression force for crimping said filaments, said movable plate being mounted on said swivelably movable support means so that said plate is displaceable with said other roller means.
14. The device of claim 13, wherein said movable plate is mounted to be pivoted out of the operating position and means are operatively associated with said plate for swinging said plate out of said operating position.
US3639955A 1968-12-20 1969-12-19 Apparatus for crimping groups of synthetic filaments Expired - Lifetime US3639955A (en)

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DE (1) DE1816028C3 (en)
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GB (1) GB1299370A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800373A (en) * 1970-08-10 1974-04-02 Vepa Ag Device for crimping groups of synthetic filaments
US4041584A (en) * 1976-09-29 1977-08-16 E. I. Du Pont De Nemours And Company Loading apparatus for crimper rolls
US4075743A (en) * 1976-06-16 1978-02-28 Kling-Tecs, Inc. Compression crimping apparatus
US4075746A (en) * 1976-06-16 1978-02-28 Kling-Tecs, Inc. Compression crimping apparatus
US4597142A (en) * 1983-09-08 1986-07-01 Neumuenstersche Maschinen- Und Apparatebau Gmbh Apparatus for crimping synthetic plastic cables
US4707896A (en) * 1986-11-05 1987-11-24 E. I. Du Pont De Nemours And Company Crimper discharge regulation
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
FR2833974A1 (en) * 2001-12-21 2003-06-27 Superba Sa Crimping of yarn involves uniformly crimping the yarn in compaction chamber, and pre-setting the crimped yarn by passing the yarn into pre-setting and guiding chamber with pre-setting fluid
US6718603B2 (en) 2001-12-21 2004-04-13 Superba (Sa) Apparatus and method for producing frieze yarns
EP2098622A1 (en) 2008-03-03 2009-09-09 M.A.E. S.p.A. Apparatus for crimping chemical-fibres filaments and control methods thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2119002C2 (en) * 1970-10-30 1984-01-05 Vepa Ag, 4125 Riehen, Basel, Ch
DE2062877C2 (en) * 1970-10-30 1983-11-03 Vepa Ag, 4125 Riehen, Basel, Ch
DE2053269C2 (en) * 1970-10-30 1983-01-13 Vepa Ag, 4125 Riehen, Basel, Ch

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US2856640A (en) * 1954-02-01 1958-10-21 Deering Milliken Res Corp Apparatus for crimping textile strands
US3160941A (en) * 1962-12-04 1964-12-15 Du Pont Crimping apparatus
US3241213A (en) * 1964-01-13 1966-03-22 Monsanto Co Quick-opening stuffing box
US3305897A (en) * 1964-10-28 1967-02-28 Du Pont Crimping process
US3526937A (en) * 1966-04-29 1970-09-08 Barmag Barmer Maschf Crimping apparatus

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BE515463A (en) * 1951-11-30
US2862279A (en) * 1956-04-10 1958-12-02 Allied Chem Tow crimping apparatus
NL113197C (en) * 1957-12-18
DE1877098U (en) * 1963-06-08 1963-08-08 Neumuenster Masch App Stauchkraeuselvorrichtung.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856640A (en) * 1954-02-01 1958-10-21 Deering Milliken Res Corp Apparatus for crimping textile strands
US3160941A (en) * 1962-12-04 1964-12-15 Du Pont Crimping apparatus
US3241213A (en) * 1964-01-13 1966-03-22 Monsanto Co Quick-opening stuffing box
US3305897A (en) * 1964-10-28 1967-02-28 Du Pont Crimping process
US3526937A (en) * 1966-04-29 1970-09-08 Barmag Barmer Maschf Crimping apparatus

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800373A (en) * 1970-08-10 1974-04-02 Vepa Ag Device for crimping groups of synthetic filaments
US4075743A (en) * 1976-06-16 1978-02-28 Kling-Tecs, Inc. Compression crimping apparatus
US4075746A (en) * 1976-06-16 1978-02-28 Kling-Tecs, Inc. Compression crimping apparatus
US4041584A (en) * 1976-09-29 1977-08-16 E. I. Du Pont De Nemours And Company Loading apparatus for crimper rolls
US4597142A (en) * 1983-09-08 1986-07-01 Neumuenstersche Maschinen- Und Apparatebau Gmbh Apparatus for crimping synthetic plastic cables
US4707896A (en) * 1986-11-05 1987-11-24 E. I. Du Pont De Nemours And Company Crimper discharge regulation
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
FR2833974A1 (en) * 2001-12-21 2003-06-27 Superba Sa Crimping of yarn involves uniformly crimping the yarn in compaction chamber, and pre-setting the crimped yarn by passing the yarn into pre-setting and guiding chamber with pre-setting fluid
EP1323853A1 (en) * 2001-12-21 2003-07-02 Superba (Société Anonyme) Method and apparatus for crimping yarns
US6718603B2 (en) 2001-12-21 2004-04-13 Superba (Sa) Apparatus and method for producing frieze yarns
EP2098622A1 (en) 2008-03-03 2009-09-09 M.A.E. S.p.A. Apparatus for crimping chemical-fibres filaments and control methods thereof
US20090230583A1 (en) * 2008-03-03 2009-09-17 M.A.E. S.P.A. Apparatus for crimping chemical-fibre filaments and control methods thereof
US7748092B2 (en) * 2008-03-03 2010-07-06 M.A.E. S.P.A. Apparatus for crimping chemical-fibre filaments and control methods thereof

Also Published As

Publication number Publication date Type
DE1816028C3 (en) 1982-06-09 grant
DE1816028B2 (en) 1979-04-12 application
GB1299370A (en) 1972-12-13 application
FR2026681A1 (en) 1970-09-18 application
DE1816028A1 (en) 1970-06-25 application

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