US20090283625A1 - Reel - Google Patents

Reel Download PDF

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Publication number
US20090283625A1
US20090283625A1 US12/306,248 US30624807A US2009283625A1 US 20090283625 A1 US20090283625 A1 US 20090283625A1 US 30624807 A US30624807 A US 30624807A US 2009283625 A1 US2009283625 A1 US 2009283625A1
Authority
US
United States
Prior art keywords
reel
projection
adhesive tape
adhesive
side plate
Prior art date
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.)
Abandoned
Application number
US12/306,248
Other languages
English (en)
Inventor
Takato Ochi
Takashi Seki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Resonac Corp
Original Assignee
Hitachi Chemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd
Assigned to HITACHI CHEMICAL COMPANY, LTD. reassignment HITACHI CHEMICAL COMPANY, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: OCHI, TAKATO, SEKI, TAKASHI
Publication of US20090283625A1 publication Critical patent/US20090283625A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/14—Kinds or types of circular or polygonal cross-section with two end flanges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/10—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers
    • B65H54/12—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers for making packages of specified shapes or on specified types of bobbins, tubes, cores, or formers on flanged bobbins or spools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/413—Supporting web roll
    • B65H2301/4136—Mounting arrangements not otherwise provided for
    • B65H2301/41368—Mounting arrangements not otherwise provided for one or two lateral flanges covering part of or entire web diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/37—Tapes
    • B65H2701/377—Adhesive tape

Definitions

  • the invention relates to a reel for winding an adhesive tape (a sticky tape) obtained by cutting into a narrow tape a film material on which an adhesive layer (or a sticky layer) is formed.
  • an anisotropic conductive film obtained by incorporating conductive fine particles into an adhesive layer formed on a substrate is widely used in circuit connection of liquid crystal displays.
  • this type of anisotropic conductive film is manufactured and supplied by a method in which an adhesive layer is formed by coating or the like on a wide film material and the resultant is cut into a narrow tape.
  • Patent Document 1 JP-A-2003-34468
  • the inventors made extensive studies. As a result, the inventors have found that, in producing an anisotropic conductive film, there is yet room for improvement in the production method in which a film material on which an adhesive layer is formed by coating is wound around a reel while cutting it into a narrow tape. Specifically, during winding around a reel or during storage of the wound tape, an adhesive forming the adhesive layer tends to adhere to the inner surface of the reel, resulting in formation of defective products. The inventors have found that, when winding is performed while guiding the side surface of the object being wound with the peripheral part of a reel in order to avoid un-uniform winding, a significant amount of an adhesive tends to adhere to the peripheral part.
  • An object of the invention in manufacturing and supplying an adhesive film (tape) such as an anisotropic conductive film by a method in which a film material on which an adhesive layer is formed by coating is wound around a reel while cutting it into a narrow tape, is to provide a reel which, when winding is performed while guiding the side surface of the object being wound with the peripheral part of the reel, can prevent adherence of an adhesive constituting the adhesive layer to the peripheral part to improve yield, as well as ensure stable unwinding of the adhesive tape for use.
  • an adhesive film such as an anisotropic conductive film
  • the reel of the invention comprises a columnar wind-up unit and a pair of side plates provided such that the wind-up unit is between the side plates, wherein the inner surface of one or both of the side plates is provided with a peripheral projection.
  • the reel of the invention with the above-mentioned configuration has a novel shape which cannot be found in conventional reels. If adhesive tapes are manufactured and supplied by a method in which a film material on which an adhesive layer is formed by coating is wound up around the reel of the invention while cutting it into a narrow tape, it is possible to prevent an adhesive from adhering to the peripheral part of the side plate when winding is performed such that un-uniform winding is avoided by guiding the side surface of the adhesive tape as the object being wound with the peripheral part of the side plate since an area of the adhesive tape in contact with the peripheral part is reduced.
  • the reel of the invention in order to reduce the area of the adhesive tape in contact with the peripheral part, which is the object being wound, when winding the adhesive tape while guiding the side surface thereof with the peripheral part of the side plate, it is preferred that at least part of the peripheral projection which is in contact with the object being wound be circular in shape.
  • the peripheral projection be 0.05 to 1.00 mm in height and 0.5 to 20.0 mm in width.
  • FIG. 1 is a view illustrating an embodiment of the reel of the invention
  • FIG. 2 is an end view taken along the line B-B of FIG. 1( b );
  • FIG. 3 is an end view taken along the line C-C of FIG. 1( b );
  • FIG. 4 is an explanatory view showing the winding state of the adhesive tape
  • FIG. 5 is a conceptual view showing the position of the projection on the inner surface of the side plate according to a modification example of the reel of the invention
  • FIG. 6 is an explanatory view showing the outline of the cross section of the projection provided on the inner surface of the side plate or the peripheral projection provided on the inner surface along the peripheral part of the side plate according to a modification example of the reel of the invention
  • FIG. 7 is a conceptual view showing the position of the peripheral projection provided on the inner surface along the peripheral part of the side plate according to a modification example of the reel of the invention.
  • FIG. 8 is a conceptual view showing the positions of the projections provided on the inner surface of the side plate and the peripheral projections provided on the inner surface along the peripheral part of the side plate according to a modification example of the reel of the invention.
  • FIG. 1 is an explanatory view showing the outline of the reel according to the invention, in which FIG. 1( a ) is a front view and FIG. 1( b ) is a cross sectional view of FIG. 1( a ) taken along the line A-A in FIG. 1( a ).
  • a reel 1 shown in FIG. 1 is provided with a columnar wind-up unit 3 and a pair of side plates 2 and 2 provided in parallel with or substantially in parallel with each other such that a wind-up unit 3 is between the side plates.
  • a D-shaped shaft hole 4 penetrates through almost the center of the reel 1 .
  • the reel 1 with such a configuration is used for manufacturing and supplying various adhesive tapes 5 by a method in which a film material on which an adhesive layer is formed by coating is cut into a narrow tape and the narrow tape is wound around the reel.
  • the width of the wind-up unit 3 namely the distance between the side plates 2 and 2 which are separated by the wind-up unit 3 can be appropriately set according to the cut width of an adhesive tape 5 as the object being wound.
  • the side plate 2 is normally formed in a circular shape, and the diameter thereof can be appropriately set according to the winding length of the adhesive tape 5 .
  • the reel 1 may be a reel which is integrally formed by injection molding or the like.
  • the pair of the side plates 2 and 2 and the wind-up unit 3 may be formed separately, and these parts may be connected by an appropriate means such as fitting and adhesion.
  • the side plates 2 and 2 and the wind-up unit 3 separately, the following configuration can be realized.
  • the side plates 2 differing in diameter can be combined with the common wind-up unit 3 , thereby allowing the reel 1 to correspond to various winding lengths
  • the wind-up units 3 differing in width can be combined with the common side plate 2 , thereby allowing the reel to correspond to various cutting widths.
  • a projection 21 extending in the radial direction may be provided on the inner surface of the side plates 2 and 2 .
  • FIG. 2 is an end view taken along the line B-B in FIG. 1( b ).
  • the projection 21 provided on the inner surface of the side plate 2 serves to avoid contact of the adhesive layer exposed on the side surface of an adhesive tape 4 with the inner surface of the reel 1 (inner surface of the side plate 2 ) when winding up the adhesive tape 5 around the reel 1 or during the storage of the wound adhesive tape 5 , whereby the adhesive constituting the adhesive layer is prevented from adhering to the inner surface of the reel 1 .
  • the distance between the side plates 2 and 2 , which are separated by the wind-up unit 3 is set to be larger to some extent than the cut width of the adhesive tape 5 such that the adhesive tape 5 to be wound around the wind-up unit 3 is prevented from being adhered to the inner surface of the side plate 2 . Even with this distance, if the winding position of the adhesive tape 5 is shifted due to irregular rotation or the like of the reel 1 during winding of the adhesive tape 5 , or the position of the adhesive tape 5 which has been wound is shifted due to impact or vibration during storage, the adhesive tape 5 may come in contact with the inner surface of the side plate 2 .
  • the height h 1 of the projection 21 is preferably 0.05 to 1.00 mm, more preferably 0.05 to 0.30 mm, and particularly preferably 0.05 to 0.20 mm.
  • the height h 1 of the projection 21 is less than 0.05 mm, it may be hard to obtain the effects of suppressing contact of the adhesive tape 5 with the inner surface of the side plate 2 .
  • the height h 1 of less than 0.05 mm is not preferable, since the injection molding conditions of the reel 1 are required to be controlled accurately.
  • the height h 1 of the projection 21 exceeds 1.00 mm, the projection 21 becomes excessively high, affecting the width dimensions of the reel 1 .
  • this height is not preferable since pushing pressure to the side surface of the adhesive tape 5 increases, and as a result, the side surface of the adhesive tape 5 may acquire marks from the projection 21 .
  • the width w 1 of the projection 21 is preferably 0.5 to 20.0 mm, more preferably 0.5 to 10.0 mm, and particularly preferably 0.5 to 5.0 mm.
  • the width w 1 of the projections 21 is less than 0.5 mm, the side surface of the adhesive tape 5 may become damaged.
  • the width w 1 of the projection 21 of less than 0.5 mm is not preferable since the injection molding conditions of the reel 1 are required to be controlled accurately.
  • the width w 1 of the projection 21 exceeds 20.0 mm, the adhesive may adhere to the projection 21 .
  • the peripheral projection 22 extending in the circumference direction are provided as shown in FIG. 1( b ) and FIG. 3 .
  • FIG. 3 is an end view showing the cross section taken along the line C-C in FIG. 1( b ).
  • FIG. 4 is an explanatory view showing the winding-up state of the adhesive tape 5 .
  • FIG. 4( b ) is a left side view of the state shown in FIG. 4( a ).
  • the adhesive tape 5 is wound around the reel 1 which rotates in the direction shown by the arrow.
  • the peripheral projection 22 provided on the inner surface along the peripheral part of the side plate 2 can prevent adherence of the adhesive constituting the adhesive layer to the peripheral part of the side plate 2 , which is caused by the contact of the adhesive layer exposed on the side surface of the adhesive tape 5 with the peripheral part of the side plate 2 when winding the adhesive tape 5 around the reel 1 as mentioned above.
  • the peripheral projection 22 extending in the circumference direction is provided on the inner surface along the peripheral part of the side plate 2 to suppress the adhesion of the adhesive.
  • the peripheral projection 22 which is in contact with the adhesive tape 5 have a circular shape.
  • the radius of curvature thereof is preferably 0.3 to 1.5 mm, more preferably 0.5 to 1.0 mm in order to reduce the contact area of the peripheral projection 21 with the adhesive tape 5 .
  • the height h 2 of the peripheral projection 22 is preferably 0.05 to 1.00 mm, more preferably 0.05 to 0.30 mm, and particularly preferably 0.05 to 0.20 mm.
  • the height h 2 of the peripheral projection 22 is less than 0.05 mm, the effects of suppressing contact of the adhesive tape 5 with the inner surface of the side plate 2 are impaired. In addition, such a small height of the peripheral projection 22 is not preferable since the adhesive tape 5 may become scratched due to interference of the projection 21 and the adhesive tape 5 when winding the adhesive tape 5 . If the height h 2 of the peripheral projection 22 exceeds 1.00 mm, the peripheral projection 22 becomes excessively high, and as a result, the peripheral projection 22 may interfere with the adhesive tape 5 when winding up the adhesive tape 5 . In addition, since the gap between the wound adhesive tape 5 and the side plates 2 and 2 increases after winding of the adhesive tape 5 is completed, weaving may occur during storage, resulting in lowered storage stability.
  • the width w 2 of the peripheral projection 22 is preferably 0.5 to 20.0 mm, more preferably 0.5 to 10.0 mm, and particularly preferably 0.5 to 5.0 mm.
  • the width w 2 of the peripheral projection 22 is less than 0.5 mm, the side surface of the adhesive tape 5 may become scratched. If the width w 2 of the peripheral projection 22 exceeds 20.0 mm, the problem of adherence of the adhesive to the peripheral projection 22 occurs. In addition, when the adhesive tape 5 which has been wound up around the reel 1 is unwound for use, the adhesive tape 5 may become caught in the peripheral projection 22 .
  • both of the pair of side plates 2 and 2 are provided with the projection 21 or the peripheral projection 22 .
  • the projection 21 and the peripheral projection 22 may be provided on only one of the one side plates 2 and 2 .
  • the projection 21 and the peripheral projection 22 can be provided on the one side plate 2 .
  • the shaft hole 4 in the shape of the letter D is shown.
  • the shaft hole 4 may contain a key groove corresponding to a key provided on the winding shaft.
  • the specific configuration of the shaft hole 4 can be changed corresponding to a means for mounting the winding apparatus to the winding shaft.
  • the winding unit 3 may have various configurations which can be applied to this type of reel, for example, provision of a rib for ensuring rigidity.
  • the adhesive tape 5 provided with an adhesive layer is used as the object being wound.
  • the reel of the invention can preferably be applied to the object being wound provided with a sticky layer formed by applying a material generally known as a “sticky adhesive”.
  • the projections 21 provided on the inner surface of the side plate 2 are provided as a concave line formed continuously from the inner perimeter to the outer perimeter of the reel 1 .
  • the projections 21 may be formed intermittently.
  • the projections 21 may be provided from the center of the side plate 2 to the periphery so that they extend in the radial direction.
  • the projections 21 may be provided such that they intersect with the radial direction, and, as shown in FIG. 5( c ), the projections 21 may be provided in a spiral shape.
  • the radial center thereof is preferably the same as the center of the side plate 2 . However, it is possible to allow the radial center and the center of the side plate 2 to be different, if necessary. Furthermore, it is possible to form the projections 21 in such a manner that the projections 21 extend radially from each of these different radial centers.
  • the shape of the cross section of the projection 21 is not limited to the above-mentioned circular shape.
  • the cross section may have a rectangular shape or a rectangular shape with round corners, or the like.
  • the cross section may have a shape as shown in FIG. 6 .
  • peripheral projection 22 provided along the peripheral part of the side plate 2
  • various modifications are possible, as long as adherence of the adhesive can be prevented when winding is performed while guiding the side surface of the adhesive tape 5 with the peripheral part of the side plate 2 .
  • the peripheral projection 22 is provided along the entire circumference of the peripheral part of the side plate 2 .
  • the peripheral projection may be provided intermittently along the peripheral part of the side plate 2 .
  • the peripheral projection may be provided in a spiral form, and as shown in FIG. 7( c ), a plurality of ( 2 in the shown example) peripheral projections 22 may be arranged in parallel to each other.
  • the peripheral projections 22 provided intermittently may be connected with the projections 21 , which is provided to avoid adherence of the adhesive to the inner surface of the reel 1 .
  • the cross section of the peripheral projection 22 may have the same shape as that of the projection 21 . Specifically, it may have a circular shape, a rectangular shape, a rectangular shape with round corners, or a shape as shown in FIG. 6 .
  • FIGS. 5 , 7 and 8 are explanatory views which conceptually show the positions of the projections 21 and 22 in the above-mentioned modification example.
  • FIG. 6 is an explanatory view which shows the outline of the shape of the cross section of the projection 21 (or peripheral projection 22 ).
  • FIGS. 6( d ) and ( f ) show two projections 21 (or peripheral projections 22 ) which are arranged in parallel in such a manner that they are close to each other
  • FIGS. 6( e ) and ( g ) show two projections 21 (or peripheral projections 22 ) which are arranged in such a manner that they are in contact with each other.
  • the invention provides a reel used to manufacture and supply an adhesive tape, which prevents adherence of an adhesive to the inner surface thereof.

Landscapes

  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Winding Of Webs (AREA)
US12/306,248 2006-06-21 2007-06-14 Reel Abandoned US20090283625A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006170962 2006-06-21
JP2006-170962 2006-06-21
PCT/JP2007/061965 WO2007148594A1 (ja) 2006-06-21 2007-06-14 リール

Publications (1)

Publication Number Publication Date
US20090283625A1 true US20090283625A1 (en) 2009-11-19

Family

ID=38833336

Family Applications (2)

Application Number Title Priority Date Filing Date
US12/306,248 Abandoned US20090283625A1 (en) 2006-06-21 2007-06-14 Reel
US13/030,004 Abandoned US20110198433A1 (en) 2006-06-21 2011-02-17 Reel

Family Applications After (1)

Application Number Title Priority Date Filing Date
US13/030,004 Abandoned US20110198433A1 (en) 2006-06-21 2011-02-17 Reel

Country Status (7)

Country Link
US (2) US20090283625A1 (enrdf_load_stackoverflow)
EP (2) EP2030937A4 (enrdf_load_stackoverflow)
JP (2) JPWO2007148594A1 (enrdf_load_stackoverflow)
KR (1) KR101330924B1 (enrdf_load_stackoverflow)
CN (2) CN101472821A (enrdf_load_stackoverflow)
TW (2) TW201109263A (enrdf_load_stackoverflow)
WO (1) WO2007148594A1 (enrdf_load_stackoverflow)

Cited By (5)

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Publication number Priority date Publication date Assignee Title
US20090230233A1 (en) * 2006-06-21 2009-09-17 Hitachi Chemical Company, Ltd. Reel
US20110198433A1 (en) * 2006-06-21 2011-08-18 Hitachi Chemical Company, Ltd. Reel
US20210269208A1 (en) * 2018-07-18 2021-09-02 Max Co., Ltd. Binding tape, binding method, tape winding body and reel
US20230339720A1 (en) * 2019-11-22 2023-10-26 Dexerials Corporation Reel member and adhesive film winding body
US12391445B2 (en) 2018-07-18 2025-08-19 Max Co., Ltd. Binding tape, binding method, tape winding body and reel

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JP2013035646A (ja) * 2011-08-05 2013-02-21 Toppan Printing Co Ltd リール
WO2013024544A1 (ja) * 2011-08-18 2013-02-21 日立化成工業株式会社 接着材リール
CN120383206B (zh) * 2025-06-30 2025-08-29 浙江新浪包装有限公司 一种编织袋的自动化生产线

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090230233A1 (en) * 2006-06-21 2009-09-17 Hitachi Chemical Company, Ltd. Reel
US20110139916A1 (en) * 2006-06-21 2011-06-16 Hitachi Chemical Company, Ltd. Reel
US20110198433A1 (en) * 2006-06-21 2011-08-18 Hitachi Chemical Company, Ltd. Reel
US20210269208A1 (en) * 2018-07-18 2021-09-02 Max Co., Ltd. Binding tape, binding method, tape winding body and reel
US12378089B2 (en) * 2018-07-18 2025-08-05 Max Co., Ltd. Binding tape, binding method, tape winding body and reel
US12391445B2 (en) 2018-07-18 2025-08-19 Max Co., Ltd. Binding tape, binding method, tape winding body and reel
US20230339720A1 (en) * 2019-11-22 2023-10-26 Dexerials Corporation Reel member and adhesive film winding body

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KR101330924B1 (ko) 2013-11-18
JP4862956B2 (ja) 2012-01-25
CN102070048A (zh) 2011-05-25
TW200827279A (en) 2008-07-01
KR20090018830A (ko) 2009-02-23
EP2364945A3 (en) 2011-12-21
TW201109263A (en) 2011-03-16
JP2011032101A (ja) 2011-02-17
CN101472821A (zh) 2009-07-01
CN102070048B (zh) 2016-02-03
US20110198433A1 (en) 2011-08-18
TWI360512B (enrdf_load_stackoverflow) 2012-03-21
EP2364945A2 (en) 2011-09-14
JPWO2007148594A1 (ja) 2009-11-19
EP2030937A4 (en) 2010-12-22
EP2030937A1 (en) 2009-03-04

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