US3650794A - Correction accessory for hectographic stencils - Google Patents

Correction accessory for hectographic stencils Download PDF

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US3650794A
US3650794A US47843A US3650794DA US3650794A US 3650794 A US3650794 A US 3650794A US 47843 A US47843 A US 47843A US 3650794D A US3650794D A US 3650794DA US 3650794 A US3650794 A US 3650794A
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hectographic
article
manufacture
tape
band
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US47843A
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Richard L Steinbach
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RICHARD L STEINBACH
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RICHARD L STEINBACH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B41M5/04—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet using solvent-soluble dyestuffs on the master sheets, e.g. alcohol-soluble
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/15—Sheet, web, or layer weakened to permit separation through thickness

Definitions

  • ABSTRACT An accessory for use in correcting errors made in typing hec- [52] 111.8. C]. ..l17/2 TC, l17/35.6, 1 17/685, tographic masters comprising a continuous tape having side- 117/122, 161/7, 161/109, 161/118, 161/145, by-Side bands of hectographic and adhesive materials along 161/147, 161/149, 161/167, 161/406 the midsection and one lateral edge thereof, leaving the other 51 int. Cl.
  • This invention relates to hectographic master sheets, and more particularly to an improved accessory temporarily attachable over an erased error thereon while being corrected.
  • the present invention in a simple and highly effective manner.
  • a roll of lightweight tape coated centrally with a narrow band of hectographic material Along one edge of this band is a band of adhesive, such as a suitable pressure sensitive coating.
  • the other lateral edge of the tape is left clear and uncoated for use as a handling finger tab.
  • the continuous band of hectographic material is slightly wider than the height of the typewriter characters. Since a length of tape sufficient to cover a particular error need be used, the tape may and preferably is provided at short intervals with transverse score lines to facilitate separation of a desired length from the main supply.
  • the coated material may be protected until needed for use by a strip of tissue material of a surface character readily peeled from the two coatings. Following completion of the correction, or after the entire master has been completed, the correction units are peeled from the master and discarded using the finger tab edge. Since the correction unit is used but a single time, the possibility ofa misprint is eliminated.
  • Another object of the invention is the provision ofa unique and improved accessory for correcting hectographic masters comprising a continuous length of tape readily separated into a portion of any desired length suitable for making a particular correction.
  • Another object of the invention is the provision of a continuous length ofa corrective accessory for use in repairing errors made on hectographic masters and including aligning means on the face of the tape useful in the accurate position of a severed length of the tape with typed material undergoing correction.
  • FIG. I is a perspective view of the invention correction tape with a short length thereof uncoiled preparatory to use;
  • FIG. 2 is a perspective view of a short length of the tape severed from the supply roll and in the process of having the protective cover for the coating peeled away when provided;
  • FIG. 3 is a perspective view of a typical hectographic master assembly
  • FIG. 4 is an enlarged view similar to FIG. assembly with an error
  • FIG. 5 is a view similar to FIG. 4 the master sheet lifted
  • FIG. 6 is a view similar to FIG. 5 but of the corrective tape in the rear of the master.
  • FIG. 7 is a view similar to FIG. 4 indicating the position of the corrective accessory after the error has been corrected and prior to removal of the accessory.
  • FIGS. 1 and 2 A typical and illustrative embodiment of the corrective accessory tape, designated generally 10, is shown in FIGS. 1 and 2 as comprising a main body strip or tape 11 with its loosely adherent film of protective tape 12 wound upon a hub 13.
  • the underside of tape 11 is coated centrally along a narrow band thereof with hectographic ink 14 readily transferable to the rear face of the face sheet 15 of a master assembly of well known construction, as the outer surface of the master face sheet is struck a sharp blow by a typewriter key.
  • the band of hectographic material 14, need have a width only slightly greater than the height of the highest character on a typewriter.
  • Located along one lateral edge of band 14 is a band 17 of adhesive, such as any suitable pressure sensitive material.
  • the other lateral edge 18 of the correction accessory is left uncoated to provide a finger tab useful in manipulating a detached length of tape 10 in order that the user may manipulate and apply the same to the rear face of the master in a manner which will be described below without risk of smearing the fingers or damage to band 14.
  • a typical hectographic master assembly comprises a durable master or face sheet 15 secured along one transverse edge 20 to a backing sheet 21 coated on the surface facing the rear side of master 15 with a layer of hectographic material 22.
  • This assembly is placed in a typewriter with sheet 21 positioned against the typewriter backup roll.
  • the master is then prepared by typing on the exterior face of the master in the usual way, the pressure applied by the type being effective to transfer a correspondingly shaped portion of the hectographic material to the rear face of the master.
  • the operator rolls out a suitable length of the master and flexes it outwardly while erasing the error from its rear surface. Thereafter, a short length of tape 10, such as the end unit 23, is detached by severing the same along the score line or perforations 24. While grasping the severed unit along the thumb tab edge 18 the operator peels away the protective tape 12 and manipulates the unit by the finger tab to place its coated surface against the rear face of the master in the general position indicated in FIG. 6. This operation is greatly facilitated by visually aligning indicator 25 lengthwise of the outer face of the tape with the upper edge of other typing immediately adjacent the error undergoing correction.
  • the operator notes that the hectographic band 14 is properly positioned in alignment with other typed matter and in proper position for the transfer of material from layer 14 onto the master when the typewriter keys are again struck.
  • the accessory tape unit 23 may then be removed or it may be left attached to the back of the master until all typing on that master assembly has been completed.
  • the operator simply grasps the finger tab edge 18 of the tape and peels it from the master and casts it into a proper disposal depository.
  • transverse weakening lines or perforations 24 may be spaced as close together as desired. However, no harm results from using a length of tape somewhat longer than necessary and leaving it in position until the entire master has been typed.
  • An article of manufacture for correcting a mistyping on a hectographic master comprising a continuous length of thin flexible tape, a narrow band of hectographic reproducing material extending lengthwise of one face of said tape, a narrow band of adhesive on the same face of said tape along one lateral edge to said band of hectographic material, and an area adjacent a peripheral edge of said tape free of hectographic and adhesive material and providing a finger tab for use in manipulating a short length separated from the main body of said tape and temporarily attached to the back side of the hectographic master by said adhesive material while correcting mistyping thereon.
  • An article of manufacture as defined in claim 1 characterized in the provision of aligning indicator means extending lengthwise of the uncoated surface of said tape and useful by the operator in visually aligning the edge of said hectographic band with one marginal edge oftyping.
  • An article of manufacture for correcting a mistyping on a hectographic master comprising an elongated strip of thin flexible material coated on one face with a narrow band of hectographic material having a width in excess of the height of typewriter characters, a second area of said one face having a coating of pressure sensitive adhesive thereon for use in holding said elongated strip temporarily in place on the rear surface of hectographic master while a typing error is being corrected, and means visible from the other face of said elongated strip coordinated with the location of said band of hectographic material and useful by the operator in visually aligning the edge of said hectographic material with typing having an error to be corrected.

Abstract

An accessory for use in correcting errors made in typing hectographic masters comprising a continuous tape having side-byside bands of hectographic and adhesive materials along the midsection and one lateral edge thereof, leaving the other edge of the tape uncoated and usable as a finger tab. A severed length of the tape can be affixed temporarily to the back of the master sheet with the hectographic band positioned properly for use in correcting an erased error and the finger tab being thereafter usable to remove the length of tape.

Description

ilnite States Patent Steinbach 1 Mar. 21, 11972 [54] CORRECTION ACCESSORY FOR 2,688,331 9/1954 Bogoslowsky ..161/406 T G C STENCILS 3,270,666 9/1966 Breverman 3,459,127 8/1969 Barough ..117/2 [72] Inventor: Richard L. Steinbaclh, 525 Windsor Place,
Laguna Beach, Calif. 92651 Primary Examiner-Wi1lard E. Hoag Filed: June 19, 1970 AttorneySellers and Brace [2]] Appl. No.: 47,843 [57] ABSTRACT An accessory for use in correcting errors made in typing hec- [52] 111.8. C]. ..l17/2 TC, l17/35.6, 1 17/685, tographic masters comprising a continuous tape having side- 117/122, 161/7, 161/109, 161/118, 161/145, by-Side bands of hectographic and adhesive materials along 161/147, 161/149, 161/167, 161/406 the midsection and one lateral edge thereof, leaving the other 51 int. Cl. ..B32b 35/00, B41m 5/00 g of the p unmated and usable as a finger A [58] Field of Search ..161/112, 406, 145, 167, 116, Severed g h of h tape can be affixed temporarily to the 161/146, 7, 109, 147; 117/355, 35.6, 43, 44, 685, back of the master sheet with the hectographic band posi- 122 3 1 2 R, 2 C tioned properly for use in correcting an erased error and the finger tab being thereafter usable to remove the length of tape. [56] References Cited Brown 117/122 v 12 Claims, 7 Drawing Figures Patented March 21, 1972 3,650,794
mvsmoa E/CHAZD S7E/A/5ACH CORRECTIUN ACCESSORY FOR HECTOGIRAIPI-IIC STENCILS This invention relates to hectographic master sheets, and more particularly to an improved accessory temporarily attachable over an erased error thereon while being corrected.
Various proposals have been made heretofore for expediting the correction of typing errors made in preparing hectographic masters for use in duplicating equipment. As is well known, the erasure of a mistake is readily accomplished but an incomplete ink coating remains on the tissue carrying the hectographic material with the result that it is impossible to obtain a complete imprint when striking the proper typewriter key. Efforts have been made heretofore to use a supplemental sheet of hectographic coating sandwiched between the master sheet of hectographic material and the master face sheet. This expedient works with some degree of satisfaction, particularly while making the first two or three corrections. However, it is easily fouled with particles of erasure material and other foreign matter after a short period of use, messy to handle and, of particular importance, it is difficult to position this repair device so that a used area thereof does not overlap partially or entirely with an area in need of correction thereby resulting in an abortive misprint. This mishap is likely to go unnoticed until duplicates of the master have been made or, if the misprint is detected beforehand, it is necessary to repeat the entire correction procedure.
The foregoing and other serious defects and disadvantages of prior correction techniques are avoided by the present invention in a simple and highly effective manner. These benefits are achieved using a roll of lightweight tape coated centrally with a narrow band of hectographic material. Along one edge of this band is a band of adhesive, such as a suitable pressure sensitive coating. The other lateral edge of the tape is left clear and uncoated for use as a handling finger tab. Desirably, the continuous band of hectographic material is slightly wider than the height of the typewriter characters. Since a length of tape sufficient to cover a particular error need be used, the tape may and preferably is provided at short intervals with transverse score lines to facilitate separation of a desired length from the main supply. The coated material may be protected until needed for use by a strip of tissue material of a surface character readily peeled from the two coatings. Following completion of the correction, or after the entire master has been completed, the correction units are peeled from the master and discarded using the finger tab edge. Since the correction unit is used but a single time, the possibility ofa misprint is eliminated.
Accordingly, it is a primary object of this invention to provide a simple, inexpensive, single-use, disposable accessory for correcting errors made in preparing hectographic masters.
Another object of the invention is the provision ofa unique and improved accessory for correcting hectographic masters comprising a continuous length of tape readily separated into a portion of any desired length suitable for making a particular correction.
Another object of the invention is the provision of a continuous length ofa corrective accessory for use in repairing errors made on hectographic masters and including aligning means on the face of the tape useful in the accurate position of a severed length of the tape with typed material undergoing correction.
These and other more specific objects will appear upon reading the following specification and claims and upon considering in connection therewith the attached drawing to which they relate.
Referring now to the drawing in which a preferred embodiment of the invention is illustrated:
FIG. I is a perspective view of the invention correction tape with a short length thereof uncoiled preparatory to use;
FIG. 2 is a perspective view of a short length of the tape severed from the supply roll and in the process of having the protective cover for the coating peeled away when provided;
FIG. 3 is a perspective view ofa typical hectographic master assembly;
FIG. 4 is an enlarged view similar to FIG. assembly with an error;
FIG. 5 is a view similar to FIG. 4 the master sheet lifted;
FIG. 6 is a view similar to FIG. 5 but of the corrective tape in the rear of the master; and
FIG. 7 is a view similar to FIG. 4 indicating the position of the corrective accessory after the error has been corrected and prior to removal of the accessory.
A typical and illustrative embodiment of the corrective accessory tape, designated generally 10, is shown in FIGS. 1 and 2 as comprising a main body strip or tape 11 with its loosely adherent film of protective tape 12 wound upon a hub 13. The underside of tape 11 is coated centrally along a narrow band thereof with hectographic ink 14 readily transferable to the rear face of the face sheet 15 of a master assembly of well known construction, as the outer surface of the master face sheet is struck a sharp blow by a typewriter key. The band of hectographic material 14, need have a width only slightly greater than the height of the highest character on a typewriter. Located along one lateral edge of band 14 is a band 17 of adhesive, such as any suitable pressure sensitive material. The other lateral edge 18 of the correction accessory is left uncoated to provide a finger tab useful in manipulating a detached length of tape 10 in order that the user may manipulate and apply the same to the rear face of the master in a manner which will be described below without risk of smearing the fingers or damage to band 14.
Referring to FIGS. 37, it will be understood that a typical hectographic master assembly comprises a durable master or face sheet 15 secured along one transverse edge 20 to a backing sheet 21 coated on the surface facing the rear side of master 15 with a layer of hectographic material 22. This assembly is placed in a typewriter with sheet 21 positioned against the typewriter backup roll. The master is then prepared by typing on the exterior face of the master in the usual way, the pressure applied by the type being effective to transfer a correspondingly shaped portion of the hectographic material to the rear face of the master.
If an error is made, the operator rolls out a suitable length of the master and flexes it outwardly while erasing the error from its rear surface. Thereafter, a short length of tape 10, such as the end unit 23, is detached by severing the same along the score line or perforations 24. While grasping the severed unit along the thumb tab edge 18 the operator peels away the protective tape 12 and manipulates the unit by the finger tab to place its coated surface against the rear face of the master in the general position indicated in FIG. 6. This operation is greatly facilitated by visually aligning indicator 25 lengthwise of the outer face of the tape with the upper edge of other typing immediately adjacent the error undergoing correction. By this simple technique the operator notes that the hectographic band 14 is properly positioned in alignment with other typed matter and in proper position for the transfer of material from layer 14 onto the master when the typewriter keys are again struck. The accessory tape unit 23 may then be removed or it may be left attached to the back of the master until all typing on that master assembly has been completed. At that time or at any time after correction of the error, the operator simply grasps the finger tab edge 18 of the tape and peels it from the master and casts it into a proper disposal depository.
It will be understood that the transverse weakening lines or perforations 24 may be spaced as close together as desired. However, no harm results from using a length of tape somewhat longer than necessary and leaving it in position until the entire master has been typed.
While the particular correction accessory for hectographic stencils herein shown and disclosed in detail is fully capable of attaining the objects and providing the advantages hereinbefore stated, it is to be understood that it is merely illustrative of the presently preferred embodiment of the invention, and that no limitations are intended to the details of construction or 3 but showing the but showing the corner of showing a short length process of being applied to the design herein shown other than as defined in the appended claims.
I claim:
1. An article of manufacture for correcting a mistyping on a hectographic master, said article comprising a continuous length of thin flexible tape, a narrow band of hectographic reproducing material extending lengthwise of one face of said tape, a narrow band of adhesive on the same face of said tape along one lateral edge to said band of hectographic material, and an area adjacent a peripheral edge of said tape free of hectographic and adhesive material and providing a finger tab for use in manipulating a short length separated from the main body of said tape and temporarily attached to the back side of the hectographic master by said adhesive material while correcting mistyping thereon.
2. An article of manufacture as defined in claim 1 characterized in that said band of hectographic material is at least as wide as the height of the typewriter characters.
3. An article of manufacture as defined in claim 1 characterized in that said band of adhesive material is no wider than the clear space between adjacent lines of typing.
4. An article of manufacture as defined in claim 1 characterized in that said tape includes lines of weakness extending transversely thereof at closely spaced intervals to facilitate the separation ofa selected length of tape therefrom without need for tools.
5. An article of manufacture as defined in claim 1 characterized in the provision of aligning indicator means extending lengthwise of the uncoated surface of said tape and useful by the operator in visually aligning the edge of said hectographic band with one marginal edge oftyping.
6. An article of manufacture as defined in claim 1 characterized in that said area free of hectographic and adhesive material is located immediately adjacent one lateral edge of said tape.
7. An article of manufacture as defined in claim I characterized in that said tape includes means visible while an operator is applying said tape to the rear ofa hectographic master to correct a typing error and useful to the operator in ascertaining that said band of hectographic material covers the area of the error to be corrected.
8. An article of manufacture as defined in claim 1 characterized in that said band of adhesive is located along the opposite edge of said band of hectographic material from said finger tab.
9. An article of manufacture as defined in claim 8 characterized in that said band ofadhesive is pressure sensitive.
10, An article of manufacture as defined in claim 9 characterized in the provision of a strip of protective material covering said bands of hectographic and adhesive material until ready for use and readily separable by peeling said protective strip therefrom.
11. An article of manufacture as defined in claim 10 characterized in that said continuous strips of flexible material are coiled in roll form until ready for use.
12. An article of manufacture for correcting a mistyping on a hectographic master, said article comprising an elongated strip of thin flexible material coated on one face with a narrow band of hectographic material having a width in excess of the height of typewriter characters, a second area of said one face having a coating of pressure sensitive adhesive thereon for use in holding said elongated strip temporarily in place on the rear surface of hectographic master while a typing error is being corrected, and means visible from the other face of said elongated strip coordinated with the location of said band of hectographic material and useful by the operator in visually aligning the edge of said hectographic material with typing having an error to be corrected.

Claims (11)

  1. 2. An article of manufacture as defined in claim 1 characterized in that said band of hectographic material is at least as wide as the height of the typewriter characters.
  2. 3. An article of manufacture as defined in claim 1 characterized in that said band of adhesive material is no wider than the clear space between adjacent lines of typing.
  3. 4. An article of manufacture as defined in claim 1 characterized in that said tape includes lines of weakness extending transversely thereof at closely spaced intervals to facilitate the separation of a selected length of tape therefrom without need for tools.
  4. 5. An article of manufacture as defined in claim 1 characterized in the provision of aligning indicator means extending lengthwise of the uncoated surface of said tape and useful by the operator in visually aligning the edge of said hectographic band with one marginal edge of typing.
  5. 6. An article of manufacture as defined in claim 1 characterized in that said area free of hectographic and adhesive material is located immediately adjacent one lateral edge of said tape.
  6. 7. An article of manufacture as defined in claim 1 characterized in that said tape includes means visible while an operator is applying said tape to the rear of a hectographic master to correct a typing error and useful to the operator in ascertaining that said band of hectographic material covers the area of the error to be corrected.
  7. 8. An article of manufacture as defined in claim 1 characterized in that said band of adhesive is located along the opposite edge of said band of hectoGraphic material from said finger tab.
  8. 9. An article of manufacture as defined in claim 8 characterized in that said band of adhesive is pressure sensitive.
  9. 10. An article of manufacture as defined in claim 9 characterized in the provision of a strip of protective material covering said bands of hectographic and adhesive material until ready for use and readily separable by peeling said protective strip therefrom.
  10. 11. An article of manufacture as defined in claim 10 characterized in that said continuous strips of flexible material are coiled in roll form until ready for use.
  11. 12. An article of manufacture for correcting a mistyping on a hectographic master, said article comprising an elongated strip of thin flexible material coated on one face with a narrow band of hectographic material having a width in excess of the height of typewriter characters, a second area of said one face having a coating of pressure sensitive adhesive thereon for use in holding said elongated strip temporarily in place on the rear surface of hectographic master while a typing error is being corrected, and means visible from the other face of said elongated strip coordinated with the location of said band of hectographic material and useful by the operator in visually aligning the edge of said hectographic material with typing having an error to be corrected.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3924728A (en) * 1974-02-04 1975-12-09 Columbia Ribbon Carbon Mfg Pressure-adhesive correction materials and method for producing same
US3940864A (en) * 1974-03-25 1976-03-02 Contemporary, Inc. Plastic plates adapted to be imprinted and methods of manufacturing and imprinting on plastic plates
US4082875A (en) * 1976-09-23 1978-04-04 Samuel Citron Tape having a longitudinal strip of adhesive which is useful as a means for framing sheets
US4223058A (en) * 1979-01-15 1980-09-16 Samuel Citron Material for use in framing pictures and documents
US5520763A (en) * 1992-02-03 1996-05-28 Moore Business Forms, Inc. Intelligent foil transfer
CN1305672C (en) * 2003-09-18 2007-03-21 林伟强 Single. plate printing method with multigang monochromatic or polychromatic block for monochromatic offset press

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2508855A (en) * 1947-04-26 1950-05-23 Clayton H Brown Adhesive tape with tearing facilities
US2688331A (en) * 1949-08-03 1954-09-07 Bogoslowsky Elizabeth Nail coating blank and method of making same
US3270666A (en) * 1964-09-08 1966-09-06 Mark Fast Marking System Inc Stencil with barrier layer between the stencil and the adhesive
US3459127A (en) * 1967-02-08 1969-08-05 Victor Barouh Methods of correcting typing errors

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2508855A (en) * 1947-04-26 1950-05-23 Clayton H Brown Adhesive tape with tearing facilities
US2688331A (en) * 1949-08-03 1954-09-07 Bogoslowsky Elizabeth Nail coating blank and method of making same
US3270666A (en) * 1964-09-08 1966-09-06 Mark Fast Marking System Inc Stencil with barrier layer between the stencil and the adhesive
US3459127A (en) * 1967-02-08 1969-08-05 Victor Barouh Methods of correcting typing errors

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3924728A (en) * 1974-02-04 1975-12-09 Columbia Ribbon Carbon Mfg Pressure-adhesive correction materials and method for producing same
US3940864A (en) * 1974-03-25 1976-03-02 Contemporary, Inc. Plastic plates adapted to be imprinted and methods of manufacturing and imprinting on plastic plates
US4082875A (en) * 1976-09-23 1978-04-04 Samuel Citron Tape having a longitudinal strip of adhesive which is useful as a means for framing sheets
US4223058A (en) * 1979-01-15 1980-09-16 Samuel Citron Material for use in framing pictures and documents
US5520763A (en) * 1992-02-03 1996-05-28 Moore Business Forms, Inc. Intelligent foil transfer
CN1305672C (en) * 2003-09-18 2007-03-21 林伟强 Single. plate printing method with multigang monochromatic or polychromatic block for monochromatic offset press

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