US20070144924A1 - Washer holder and washer supply device - Google Patents

Washer holder and washer supply device Download PDF

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Publication number
US20070144924A1
US20070144924A1 US11/634,403 US63440306A US2007144924A1 US 20070144924 A1 US20070144924 A1 US 20070144924A1 US 63440306 A US63440306 A US 63440306A US 2007144924 A1 US2007144924 A1 US 2007144924A1
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United States
Prior art keywords
washer
receiving
depressions
held
depression
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
US11/634,403
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English (en)
Inventor
Seigo Yamashita
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.)
Yamashita Kogyo Co Ltd
Original Assignee
Yamashita Kogyo 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 Yamashita Kogyo Co Ltd filed Critical Yamashita Kogyo Co Ltd
Assigned to YAMASHITA KOGYO CO., LTD. reassignment YAMASHITA KOGYO CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: YAMASHITA, SEIGO
Publication of US20070144924A1 publication Critical patent/US20070144924A1/en
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D71/00—Bundles of articles held together by packaging elements for convenience of storage or transport, e.g. portable segregating carrier for plural receptacles such as beer cans or pop bottles; Bales of material
    • B65D71/70—Trays provided with projections or recesses in order to assemble multiple articles, e.g. intermediate elements for stacking

Definitions

  • the present invention relates to a washer holder and a washer supply device.
  • a washer which is a mechanical element, is generally in the form of an annular ring plate of round shape and mainly used for locking a fastened state of a bolt or screw, and is also effectively used as, for example, a spacer for adjustment of height or a protector for preventing a base plate from being damaged when a metal screw is fastened. That made of a synthetic resin is also widely used as such a washer in addition to a metal washer.
  • An adherent washer having an adhesive (pressure-sensitive adhesive) layer formed on one surface of a washer has heretofore been used from such requests as described above.
  • the external surface of the adhesive layer is covered by a protective sheet composed of release paper.
  • the release paper is released and removed from the adhesive layer to expose the adhesive layer, and the washer is caused to adhere to a place of which temporary fixing is required, whereby the temporarily fixed state can be realized.
  • a washer supply device that a releasable sheet subjected to a releasing treatment at its surface is used as a base sheet, and a great number of adherent washers are caused to adhere to the surface of the base sheet by the adhesive layers thereof to hold them, and the device has been put to practical use.
  • the state that expected washers have been temporarily fixed can be realized with high working efficiency by providing various kinds of washer supply devices obtained by causing washers having a certain thickness and a certain size to adhere to a common base sheet to hold them as to each of various kinds of washers having various thicknesses and sizes, choosing and separating proper washers from the base sheet and causing them to adhere to necessary places through the adhesive layers thereof.
  • the washer supply device making good use of the base sheet composed of such a releasable sheet as described above involves a problem that when washers having a large thickness are held, setting aside washers having a small thickness, the washers are transferred or displaced on the base sheet by external force during shipping or transport thereof, or are often separated down from the base sheet, and even when the device is contained in a packaging bag, the washers separated from the base sheet are bonded to each other by the respective adhesive layers in the packaging bag to create a state of random aggregates, after all, resulting in the fact that the washers cannot be conveniently used.
  • the present invention has been made on the basis of the foregoing circumstances and has as its object the provision of a washer holder capable of stably holding washers to be held at predetermined holding positions.
  • Another object of the present invention is to provide a washer supply device using such a washer holder.
  • the washer holder according to the present invention comprises a processed sheet in which a plurality of washer-receiving depressions each having an inner diameter fitted to an outer diameter of a washer to be held are arranged and formed, wherein
  • the washer to be held is received in the washer-receiving depression, and one surface of the washer is releasably held on the bottom surface of the washer-receiving depression through an adhesive.
  • the washer-receiving depression has a circular form, and the inner diameter is larger by 1 to 5 mm than the outer diameter of the washer to be held. It may also be preferable that the depth of the washer-receiving depression is 0.5 to 3.0 mm. It may further be preferable that the inner diameter of the washer-receiving depression is 6 to 35 mm, and the outer diameter of the washer to be held is 5 to 30 mm.
  • a circular small-diameter depressed portion having an inner diameter larger than the inner diameter of the washer to be held is formed in a central region of the bottom surface of the washer-receiving depression.
  • the inner diameter of the small-diameter depressed portion of the washer holder may preferably be larger by at least 1 mm than the inner diameter of the washer to be held.
  • the washer holder according to the present invention preferably has a first washer-receiving depression row with washer-receiving depressions having the same form as one another formed in a row along a first arrangement line extending in one direction, and a second washer-receiving depression row with washer-receiving depressions having the same form as the washer-receiving depressions in the first washer-receiving depression row formed in a row along a second arrangement line extending in parallel with the first arrangement line, wherein
  • a gap distance between the first arrangement line and the second arrangement line is equivalent to or smaller than the size of the inner diameter of each washer-receiving depression.
  • the processed sheet may be composed of a synthetic resin sheet.
  • the processed sheet may preferably have releasability on at least the bottom surfaces of the washer-receiving depressions.
  • the washer supply device comprises the washer holder described above and washers received in the respective washer-receiving depressions of the washer holder and caused to adhere and held by an adhesive layer formed on one surface of each washer on the bottom surfaces of the washer-receiving depressions.
  • a washer supply device is made up by holding washers fitted to the washer-receiving depressions thereof.
  • the washers are caused to adhere and held by each adhesive layer in a state received in the respective washer-receiving depressions, so that the washers are prevented from coming off their corresponding washer-receiving depressions to displace or transfer even when external force is applied during, for example, shipping or transport thereof, and the stably held state can be retained. Accordingly, the expected washer-arranging operation can be conducted with high efficiency by obtaining washers to be used by means of this washer supply device.
  • the washer holder in which the circular small-diameter depressed portion having an inner diameter larger than the inner diameter of a washer to be held is formed in a central region of the bottom surface of each washer-receiving depression, the state that each washer is caused to surely adhere to the bottom surface of the washer-receiving depression can be attained even when the so-called burr is formed on an inner peripheral edge of the washer in a state protruding outward in a thickness-wise direction of the washer because the burr is located within the small-diameter depressed portion. After all, even the washer having the inner burr can be stably held in the washer-receiving depression.
  • the washer-receiving depressions are arranged along two linear arrangement lines extending in parallel with each other, and a gap distance between the two arrangement lines is equivalent to or smaller than the size of the inner diameter of each washer-receiving depression, whereby a great number of washer-receiving depressions can be formed at a high density in one washer holder.
  • FIG. 1 is a front view illustrating a washer holder according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view illustrating, on an enlarged scale, a state that an adherent washer has been held in a washer-receiving depression of the washer holder in FIG. 1 .
  • FIG. 1 is a front view illustrating a washer holder according to an embodiment of the present invention
  • FIG. 2 is a cross-sectional view illustrating, on an enlarged scale, a washer-receiving depression of the washer holder.
  • the washer holder 10 of this embodiment is composed of a processed sheet, in which a great number of washer-receiving depressions (hereinafter also referred to as “receiving depressions” merely) 20 in a state depressed from the surface of a flat plate-like resin sheet having releasability on the surface thereof are formed by subjecting the resin sheet to a deformation processing.
  • a great number of washer-receiving depressions hereinafter also referred to as “receiving depressions” merely
  • a circular small-diameter depressed portion 24 is formed concentrically with the receiving depression 20 in a state depressed further downward from the bottom surface of the receiving depression, whereby the bottom surface of the receiving depression 20 is formed annular-stepwise.
  • the resin sheet forming the processed sheet No particular limitation is imposed on the resin sheet forming the processed sheet. However, for example, a polyethylene terephthalate sheet-having a thickness of 30 to 100 ⁇ m may preferably be used.
  • the resin sheet having releasability on the surface thereof includes that obtained by coating the surface with, for example, a silicone release agent.
  • each receiving depression 20 in the washer holder 10 is, for example, such that the inner diameter D 1 is 16 mm, the depth T 1 is 1 mm, the inner diameter D 2 of the small-diameter depressed portion 24 is 8 mm, and the depth T 2 is 0.5 mm.
  • a washer W to be held by this washer holder 10 is an adherent washer, on one surface of which an adhesive layer S is provided, and the outer diameter d 1 thereof is 12 to 14 mm, the inner diameter d 2 is 4 to 7, and the thickness t is 1 to 2 mm.
  • the receiving depression 20 in the washer holder 10 is required to have an inner diameter D 1 larger than the outer diameter d 1 of the washer W to be held.
  • a difference a (D 1 ⁇ d 1 ) between the diameters is preferably 1 to 5 mm. If the difference a is smaller than 1 mm, there is a possibility that easiness of working for accommodating the washer W in the receiving depression 20 and working for removing the washer W from the receiving depression 20 may be lowered.
  • the inner diameter D 1 of the receiving depression 20 is preset to 6 to 35 mm.
  • the depth T 1 of the receiving depression 20 is required to be at least 0.3 mm, preferably at least 0.5 mm. However, it is practically not required to exceed 3.0 mm.
  • the depth T 1 of this receiving depression 20 is preferably equivalent to or smaller than the thickness t 1 of the washer W. If the depth is too great, the easiness of removing the washer is lowered.
  • the small-diameter depressed portion 24 in the receiving depression 20 has an inner diameter D 2 larger than the inner diameter d 2 of the washer W and is provided for holding the washer W accommodated in the receiving depression 20 in a state that an inner peripheral edge at a lower surface of the washer W is exposed within the small-diameter depressed portion 24 .
  • the inner diameter D 2 of the small-diameter depressed portion 24 is required to be larger by, for example, at least 1 mm, preferably at least 2 mm than the inner diameter d 2 of the washer W.
  • the inner diameter D 2 is more preferably greater by at least the difference a (D 1 ⁇ d 1 ) between the inner diameter D 1 of the receiving depression 20 and the outer diameter d 1 of the washer W than the inner diameter d 2 of the washer W, whereby the washer W is held in a state that the inner peripheral edge of the washer W is always located within the small-diameter depressed portion 24 even when the washer W is displaced in the receiving depression 20 .
  • a width (d 1 ⁇ D 2 ) of an adhered region, in which the adhesive layer S of the washer W is caused to adhere is required to be at least 50% of a difference (d 1 ⁇ d 2 ) between the outer diameter d 1 and the inner diameter d 2 of the washer W.
  • the inner peripheral edge at the lower surface of the washer W is in a state surely exposed within the small-diameter depressed portion 24 even when the washer W exists at whatever position within the receiving depression 20 .
  • the washer holder 10 is composed of a processed sheet in the form of a rectangle as a whole, and a first receiving depression row 201 is formed by arranging, for example, n (five in FIG. 1 ) receiving depressions 20 in a row at a pitch P larger than the inner diameter D 1 thereof along a linear first arrangement line L 1 extending along a long side 12 of the sheet.
  • a second receiving depression row 202 is also formed by arranging, for example, (n ⁇ 1) receiving depressions 20 in a row at a pitch P somewhat larger than the inner diameter D 1 thereof along a second arrangement line L 2 parallel to the first arrangement line L 1 .
  • a gap distance g between the first arrangement line L 1 and the second arrangement line L 2 is smaller than the inner diameter D 1 of the receiving depression 20 , and each of the receiving depressions 20 belonging to the second receiving depression row 202 is located at a central position in a direction of the arrangement line between two adjoining each other among the receiving depressions 20 belonging to the first receiving depression row 201 .
  • a third receiving depression row 203 is formed likewise by arranging receiving depressions 20 in the same manner as in the first receiving depression row 201 along a third arrangement line L 3 parallel to the second arrangement line L 2
  • a fourth receiving depression row 204 is formed by arranging receiving depressions 20 in the same manner as in the second receiving depression row 202 along a fourth arrangement line L 4 parallel to the third arrangement line L 3 .
  • the necessary number of receiving depressions 20 are arranged and formed, whereby the receiving depressions are arranged in the so-called staggered arrangement state as a whole.
  • washers having a form fitted to the receiving depression 20 are accommodated and held through the adhesive layer, thereby making up a washer supply device.
  • an adherent washer W having an outer diameter d 1 smaller than the inner diameter D 1 of the receiving depression 20 , on one surface of which an adhesive layer S is formed, is held by causing it to adhere to the bottom surface (i.e., an upper surface of the bottom wall portion 22 ) of the receiving depression 20 making use of the adhesive layer S.
  • each washer W is not only caused to adhere to the washer holder 10 by virtue of the tackiness of the adhesive layer S, but also laid in a state received in the receiving depression 20 to prevent it, by the inner peripheral wall surface of the receiving depression 20 , from coming off the receiving depression 20 to transfer.
  • the washer supply device is used to provide washers, whereby an expected washer-arranging operation can be conducted with high efficiency.
  • the small-diameter depressed portion 24 is formed in a central region of the bottom wall portion 22 of each receiving depression 20 , and an inner peripheral edge at a lower surface of the washer W is laid in a state exposed by virtue of the small-diameter depressed portion 24 , so that even when the so-called burr (not illustrated) protruding outward in a thickness-wise direction of the washer is formed on the inner peripheral edge, the burr is located within the small-diameter depressed portion, whereby the close adhesion of the lower surface of the washer to the upper surface (bottom surface of the receiving depression 20 ) of the bottom wall portion 22 in the receiving depression 20 is not inhibited by the burr.
  • the state that the lower surface of the washer W is caused to surely adhere to the bottom surface of the receiving depression 20 through the adhesive layer S can be attained.
  • the above-described burr is generally unavoidably formed when the washers are produced by, for example, punching.
  • a washer arranging process can be surely achieved by means of an automatic washer-removing device that enters within the central hole of the washer W held in the receiving depression 20 to engage with the inner peripheral surface or inner peripheral edge thereof, thereby removing the washer W from the receiving depression 20 of the washer holder 10 .
  • the receiving depressions 20 are arranged along the linear arrangement lines L 1 , L 2 , L 3 , . . . extending in parallel with each other, and a gap distance g between two arrangement lines adjoining each other is equivalent to or smaller than the size of the inner diameter of the receiving depression 20 , whereby a great number of receiving depressions 20 can be formed at a high density in one washer holder.
  • a plurality of the receiving depressions 20 are formed in a row along the linear arrangement line as described above, thereby obtaining a merit that washers W are easily treated by, for example, an automatic washer-operating apparatus.
  • sheets of synthetic resins such as polyethylene and polypropylene in addition to polyethylene terephthalate, composite sheets obtained by laminating a resin film on a paper base, and those, to which a deformation processing can be subjected, may be used.
  • a resin sheet or composite sheet having releasability on the surface in itself may also be used without depending on the means for applying a release agent.
  • each receiving depression is not limited to the circular form so far as the transfer of a washer received can be prevented.
  • This washer holder is such that nine receiving depression rows in total are formed, ten receiving depressions and nine receiving depressions are arranged at a pitch P of 17 mm in receiving depression rows in odd numbers and receiving depression rows in even numbers, respectively, and a gap distance g between the arrangement lines of receiving depression rows adjoining each other is 12 mm.
  • Washers each having an outer diameter d 1 of 10 mm, an inner diameter d 2 of 5.2 mm and a thickness t of 2 mm, on one surface of which an adhesive layer had been formed, were held in all the receiving depressions of the washer holder by causing them to adhere through the adhesive layer, thereby producing a washer supply device.
  • the same washers as described above in the same number were caused to adhere and held in the same arranged state on the surface of a polyethylene terephthalate sheet having a thickness of 38 ⁇ m, to which the same releasability-imparting treatment had been subjected except that no receiving depressions had been formed, thereby producing a comparative washer supply device.
  • Ten such washer supply devices were reciprocated in the same manner as described above. As a result, it was found that displacement occurred on eight washers in average per one device, and the maximum distance thereof was 5 mm.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Packaging Of Machine Parts And Wound Products (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
US11/634,403 2005-12-28 2006-12-06 Washer holder and washer supply device Abandoned US20070144924A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005-378923 2005-12-28
JP2005378923A JP4659613B2 (ja) 2005-12-28 2005-12-28 ワッシャホルダーおよびワッシャ供給源装置

Publications (1)

Publication Number Publication Date
US20070144924A1 true US20070144924A1 (en) 2007-06-28

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US11/634,403 Abandoned US20070144924A1 (en) 2005-12-28 2006-12-06 Washer holder and washer supply device

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US (1) US20070144924A1 (ja)
JP (1) JP4659613B2 (ja)
CN (1) CN1990360A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130259603A1 (en) * 2012-03-29 2013-10-03 Shun Ping YAO Washer combination for fastener driver
US20140061231A1 (en) * 2008-09-15 2014-03-06 Biomet C.V. Screw and Washer Dispenser System
US20140141897A1 (en) * 2012-11-16 2014-05-22 Thales Device and method for preparing screw and washer assemblies
US20150291330A1 (en) * 2012-10-09 2015-10-15 Handy & Harman Collating Strip for Plug and Plug Installation Method
US10876570B1 (en) * 2018-08-23 2020-12-29 Donald Kevin Dayton Universal washer system

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095677A (en) * 1960-07-20 1963-07-02 Grace W R & Co Method of packaging articles
US4019631A (en) * 1974-04-18 1977-04-26 Bulten-Kanthal Aktiebolag Screw package
US5163580A (en) * 1991-03-06 1992-11-17 Illinois Tool Works Inc. Package of stacked roofing washers and related methods
US5228582A (en) * 1992-07-01 1993-07-20 Marshall J C Holder for screws, bolts, nuts and washers
US5927497A (en) * 1995-02-17 1999-07-27 Sfs Industrie Holding Ag Pack of large surface washers
US5931298A (en) * 1998-02-04 1999-08-03 Huang; Shih Chang Strip for supporting nails
US6612470B2 (en) * 2001-08-15 2003-09-02 Systemation, Inc. Packaging device for fasteners
US6640968B2 (en) * 2001-09-13 2003-11-04 Stafast Products, Inc. Retainer
US7093714B2 (en) * 2004-05-27 2006-08-22 Wen-Sheng Huang Removable holding member for stacked roofing washers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6066900A (ja) * 1983-09-24 1985-04-17 日本電気株式会社 チップ状電子部品収納帯
JP3049580B2 (ja) * 1992-09-02 2000-06-05 株式会社エフ・エフ・シー 導電性ワッシャ
JP2004059124A (ja) * 2002-07-31 2004-02-26 Sony Corp ブリスターパッケージ

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095677A (en) * 1960-07-20 1963-07-02 Grace W R & Co Method of packaging articles
US4019631A (en) * 1974-04-18 1977-04-26 Bulten-Kanthal Aktiebolag Screw package
US5163580A (en) * 1991-03-06 1992-11-17 Illinois Tool Works Inc. Package of stacked roofing washers and related methods
US5228582A (en) * 1992-07-01 1993-07-20 Marshall J C Holder for screws, bolts, nuts and washers
US5927497A (en) * 1995-02-17 1999-07-27 Sfs Industrie Holding Ag Pack of large surface washers
US5931298A (en) * 1998-02-04 1999-08-03 Huang; Shih Chang Strip for supporting nails
US6612470B2 (en) * 2001-08-15 2003-09-02 Systemation, Inc. Packaging device for fasteners
US6640968B2 (en) * 2001-09-13 2003-11-04 Stafast Products, Inc. Retainer
US7093714B2 (en) * 2004-05-27 2006-08-22 Wen-Sheng Huang Removable holding member for stacked roofing washers

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140061231A1 (en) * 2008-09-15 2014-03-06 Biomet C.V. Screw and Washer Dispenser System
US9005206B2 (en) * 2008-09-15 2015-04-14 Biomet C.V. Screw and washer dispenser system
US20130259603A1 (en) * 2012-03-29 2013-10-03 Shun Ping YAO Washer combination for fastener driver
US20150291330A1 (en) * 2012-10-09 2015-10-15 Handy & Harman Collating Strip for Plug and Plug Installation Method
US10023373B2 (en) * 2012-10-09 2018-07-17 Handy & Harman Collating strip for plug and plug installation method
US10486875B2 (en) 2012-10-09 2019-11-26 Handy & Harman Collating strip for plug and plug installation method
US20140141897A1 (en) * 2012-11-16 2014-05-22 Thales Device and method for preparing screw and washer assemblies
US10876570B1 (en) * 2018-08-23 2020-12-29 Donald Kevin Dayton Universal washer system

Also Published As

Publication number Publication date
CN1990360A (zh) 2007-07-04
JP2007176583A (ja) 2007-07-12
JP4659613B2 (ja) 2011-03-30

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AS Assignment

Owner name: YAMASHITA KOGYO CO., LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:YAMASHITA, SEIGO;REEL/FRAME:018681/0268

Effective date: 20051121

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION