WO2019012655A1 - Feuille de masquage multicouche - Google Patents

Feuille de masquage multicouche Download PDF

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Publication number
WO2019012655A1
WO2019012655A1 PCT/JP2017/025571 JP2017025571W WO2019012655A1 WO 2019012655 A1 WO2019012655 A1 WO 2019012655A1 JP 2017025571 W JP2017025571 W JP 2017025571W WO 2019012655 A1 WO2019012655 A1 WO 2019012655A1
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WO
WIPO (PCT)
Prior art keywords
masking sheet
layer
masking
adhesive
multilayer
Prior art date
Application number
PCT/JP2017/025571
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English (en)
Japanese (ja)
Inventor
章弘 福原
佐々木　健
健二 柳原
Original Assignee
株式会社寺岡製作所
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 株式会社寺岡製作所 filed Critical 株式会社寺岡製作所
Priority to JP2018540893A priority Critical patent/JP6431649B1/ja
Priority to PCT/JP2017/025571 priority patent/WO2019012655A1/fr
Publication of WO2019012655A1 publication Critical patent/WO2019012655A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J201/00—Adhesives based on unspecified macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38—Pressure-sensitive adhesives [PSA]
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges

Definitions

  • the present invention relates to a masking sheet of a multilayer structure used at the time of reinforcement work of road floor slabs and the like. More specifically, the present invention relates to a multilayer masking sheet when corner-cut masking of the grid portion is performed, for example, when forming a strip-like reinforcing sheet in a grid shape on the floor lower surface. The present invention also relates to a method of reinforcing a floor slab using the multilayer masking sheet.
  • a method of reinforcing a road floor slab a method is known in which a continuous fiber sheet composed of reinforcing fibers (carbon fibers, aramid fibers, etc.) and a resin (epoxy resin, etc.) is adhered to the entire lower surface of the floor slab.
  • reinforcing fibers carbon fibers, aramid fibers, etc.
  • resin epoxy resin, etc.
  • this method has a problem that the construction cost is high because the amount of continuous fiber sheet used is large, and the floor plate is covered with the continuous fiber sheet, so that the floor may occur when the automobile travels repeatedly. There has been a problem that defects such as plate cracks can not be observed after construction. Furthermore, there is a problem that the infiltration water from the upper surface of the floor slab stays between the concrete and the continuous fiber sheet on the lower surface of the floor slab, and the life of the floor slab is reduced.
  • the bottom surface of the floor slab is treated with kelen (a base treatment for scraping the entire concrete surface) (S1 '), and then a primer is applied to the base.
  • kelen a base treatment for scraping the entire concrete surface
  • S1 ' Carry out cornering of the grid part (marking the finish position on the structure etc.) masking (S2 '), and further perform primer treatment (S3') to carry out inland correction (work to fill up unevenness etc.)
  • S3' primer treatment
  • the first layer corner out masking (S5 ') was performed, and after the resin (undercoating) was applied, the first layer reinforcing fiber was applied thereon (S6'), and the resin (upper coating) was applied and impregnated After (S7 '), the first layer masking sheet is removed (S8').
  • the second layer corner out masking is performed (S9 '), and after the resin (undercoating) is applied, the second layer reinforcing fiber is pasted thereon (S10'), and the resin (overcoating) is applied and impregnated Then (S11 '), the second layer masking sheet is removed (S12'). After bonding the reinforcing fibers of the first and second layers in a lattice, curing is carried out (S13 ').
  • Patent Document 2 comprises a masking tape substrate coated with an adhesive on the lower side, and a masking tape cover substrate coated with an adhesive on the upper side of the masking tape substrate and laminated on the upper side, The adhesive is applied between the masking tape cover substrate and the masking tape substrate width in a width smaller than the masking tape substrate width and the masking tape cover substrate width, and the width direction end of the masking tape substrate and the masking tape cover substrate.
  • the widthwise end portion of is characterized in that a space where the adhesive is not applied is provided. It is said that the upper layer can be easily pulled off by this.
  • Patent Document 1 when affixing reinforcing fibers of two or more layers in order to achieve a desired reinforcing strength, it is necessary to repeat the cornering masking operation and the masking sheet removal operation a plurality of times, and the construction worker can The work load was excessive.
  • an object of the present invention is to make it possible to reduce the number of corner-out masking operations even when attaching a continuous fiber sheet to multiple layers, and keep good workability in corner-out masking. And it is providing the masking sheet
  • the present invention is a multilayer masking sheet in which a plurality of rectangular single layer masking sheets including a masking sheet substrate and an adhesive layer are laminated, wherein each single layer masking sheet is opposed to the first side of the masking sheet substrate
  • the pressure-sensitive adhesive layer is provided along the outer edge of the second side, and a non-adhesive area is formed substantially in the center toward the fourth side opposite to the third side different from the first and second sides.
  • a corner masking multilayer masking sheet is provided, characterized in that it is provided.
  • At least a band-like reinforcing fiber is installed in the first direction at a predetermined distance on the lower surface of the road floor plate and impregnated with a resin, and the band-like reinforcing fiber is further impregnated in the first direction.
  • a reinforcement method for a road floor slab which is installed at predetermined intervals in a second direction orthogonal to the above and impregnated with resin to form a grid-like fiber reinforced resin structure to reinforce at least the band-like reinforcing fibers
  • the corner masking multilayer masking sheet is disposed on the uncoated portion of the grid-like fiber reinforced resin structure, and after resin impregnation in each direction, sequentially
  • a method of reinforcing a road slab comprising the step of peeling the upper masking sheet substrate on the basis of the non-adhesive area.
  • the masking sheet by forming the masking sheet in multiple layers, the number of cornering masking operations is reduced, and a tack-free area is provided substantially at the center of each layer from one end of the masking sheet substrate to the other end opposite thereto.
  • the peeling removal of the masking sheet becomes easy, and the workability is remarkably improved.
  • the multilayer masking sheet of the present invention adheres along the outer edge of the second side b opposite to the first side a of the square masking sheet substrate 1 (which may hereinafter be simply referred to as the substrate).
  • An adhesive layer A is formed to form an adhesive area A, and an area without an adhesive layer 2 at a substantially central portion from a third side b different from the first and second sides to an opposing fourth side d It is formed by laminating two or more single-layer masking sheets (which may be simply referred to as single-layer sheets) in which the non-adhesive area B is formed by arranging the anti-adhesive film 3.
  • the number of single-layer sheets to be bonded can be appropriately selected in accordance with the required number of times of masking (the number of laminated continuous fiber sheets).
  • region A and the non-adhesive area B are provided with respect to the base material 1 of 1 sheet.
  • the cut part 4 is put in the base material 1, and it is set as 2 sheets, and the adhesion area A and the non-adhesive area B are provided in each.
  • the overlapping portion 5 is provided by partially overlapping one of the separated single-layer sheets on the other. The cut portion 4 and the overlapping portion 5 are formed in the non-adhesive region B along the extending direction.
  • These single layer sheets can be arbitrarily combined to form a multilayer masking sheet.
  • it may have a known sheet or layer other than the above-mentioned single layer sheet.
  • the direction in which the layers are laminated is not particularly limited.
  • the cut portion 4 or the cut portion 4 is formed by laminating in the direction in which the extension direction of the non-adhesive area B is orthogonal.
  • the multilayer masking sheet can be formed without being separated by the overlapping portion 5.
  • stacking (a) it can bond together in the direction which the non-adhesive area
  • the width (direction of side ac) of the adhesive area A and the non-adhesive area B is not particularly limited as long as desired adhesive strength can be obtained, but for example, the width of the non-adhesive area B is From the viewpoint of facilitating peeling of the layer sheet, it may be, for example, 5 to 60 mm, preferably 10 to 50 mm, and more preferably 20 to 40 mm. In the case where a cut portion or an overlapping portion is provided, it is preferable to have a width that allows the base material to be separated and held at the portion.
  • the position between the sides a and c of the non-adhesive area B may be a substantially central portion, and may be unevenly distributed closer to the side a or the side c within a range that does not impair the effect of the present invention.
  • the non-adhesive area B does not have to be parallel to the side a and the side c, and may be located substantially at the center.
  • the side on the non-adhesive region B side of the pressure-sensitive adhesive layer 2 (the side of the anti-adhesive film facing the side a and the side c when the anti-adhesive film is disposed) does not have to be straight. It can have various shapes such as a wavy shape, a bowl shape (a letter shape or a zigzag shape), and a U shape.
  • FIG. 2 is a view showing an example of a multilayer masking sheet formed by laminating two single layer sheets shown in (b1) of FIG. 1 (b).
  • (A1) and (a2) are cross-sectional views
  • (b1) and (b2) are plan views
  • (a1) is a cross section along (X1-X2) of (b1) and (b2)
  • (a2) is (b1) and (b2) 7 shows a Y1-Y2 cross section of b2).
  • the multi-layer masking sheet is bonded on the release liner 8 in the direction in which the non-adhesive areas of the single-layer sheets are orthogonal to each other.
  • the non-adhesive regions are the void portions 6 and 7 without providing the pressure-sensitive adhesive layer.
  • the lower pressure-sensitive adhesive layer 2-1 has higher adhesion than the upper pressure-sensitive adhesive layer 2-2 in order to stick to the base concrete surface.
  • the base members 1-1 and 1-2 are provided with cut portions 4-1 and 4-2, respectively.
  • the substrate 1 is not particularly limited, but may be a conventionally known paper, cloth, or a film or non-woven fabric made of synthetic resin such as polyester, rayon, nylon, polyamide, polyethylene, polypropylene, acrylic or vinyl chloride. Be Paper, cloth, non-woven fabric and the like may be impregnated with a sealing resin. Moreover, these base materials may be a thing of only a single
  • a resin layer such as polyethylene on one side or both sides of a cross woven fabric using cloth or polyethylene flat yarn.
  • a tab can be provided on a part of the substrate in an amount that does not affect the masking to facilitate peeling.
  • the thickness of the substrate is not particularly limited as long as the resin does not penetrate into the substrate and the strength as the masking sheet can be maintained.
  • the thickness of the substrate can be in the range of 5 ⁇ m to 200 ⁇ m, preferably 10 to 100 ⁇ m. From the viewpoint of maintaining the strength of the entire multilayer masking sheet, it is preferable to use a substrate thicker than other upper layer substrates as the substrate of the lowermost layer masking sheet.
  • the pressure-sensitive adhesive layer 2 is not particularly limited, and examples thereof include conventionally known pressure-sensitive adhesives, such as rubber-based pressure-sensitive adhesives and acrylic pressure-sensitive adhesives. Moreover, as a lowermost pressure-sensitive adhesive layer in contact with a concrete member such as a road floor plate, an epoxy-based adhesive, a urethane-based adhesive, a silicone-based adhesive, a rubber-based adhesive, a vinyl ester-based adhesive, a polyester-based adhesive, It can also be selected from one or more pressure-sensitive adhesives selected from the group consisting of polymer cement-based pressure-sensitive adhesives, acrylic pressure-sensitive adhesives and polyolefin-based pressure-sensitive adhesives.
  • the thickness of the pressure-sensitive adhesive layer can be, for example, in the range of 5 ⁇ m to 200 ⁇ m, preferably 10 to 100 ⁇ m.
  • the pressure-sensitive adhesive layer 2 is provided along the outer edge of the second side (c side) opposite to the first side (a side) of the masking sheet substrate, but “along the outer edge” does not necessarily mean that the substrate is It does not mean that the outer edge of the outer edge and the outer edge of the pressure-sensitive adhesive layer coincide with each other, and the pressure-sensitive adhesive layer 2 is provided receding from the outer edge of the substrate if it does not affect the releasability. May be In addition, it is more preferable that the outer edge of a base material and the outer edge of an adhesive layer correspond.
  • the anti-adhesive film 3 is excellent in adhesiveness with the pressure-sensitive adhesive layer 2 and any material which does not penetrate the pressure-sensitive adhesive can be used.
  • any material which does not penetrate the pressure-sensitive adhesive can be used.
  • various resin films and metal foils can be used.
  • the release liner 8 can be used without particular limitation as long as it is a material that can be easily peeled off from the lowermost pressure-sensitive adhesive layer 1-1.
  • the size of the multilayer masking sheet may be any size in accordance with the cornering area to be set, and is not particularly limited. In general, it is preferable to standardize to some extent, for example, a square of 100 mm ⁇ 100 mm, or the like.
  • the shape of the multilayer masking sheet is a rectangle such as a square in order to reinforce the floor slab by making the continuous fiber sheets orthogonal to each other. In the case, the shape may be a parallelogram (including a rhombus), a trapezoid, or the like.
  • the method for producing the multilayer masking sheet is not particularly limited, but the pressure-sensitive adhesive may be partially coated or continuously applied on a long base material by a method such as roll coating, die coating, calendar coating, reverse coating, gravure coating, knife coating, etc.
  • the coating is performed, and the coated single layer masking sheet is temporarily wound up.
  • the adhesion prevention film 3 is bonded on the adhesive surface, and it winds up once.
  • the first masking sheet (upper layer masking sheet) is laminated on the second masking sheet (lower layer masking sheet).
  • a desired number of single layer masking sheets are laminated in the same manner, and the release liner 8 is further bonded to the adhesive surface of the lowermost single layer masking sheet.
  • a multilayer masking sheet is manufactured by performing a punching process to a predetermined shape.
  • FIG. 3 to 4 are diagrams for explaining the cornering process in reinforcement of a floor slab using a continuous reinforcing fiber sheet (reinforcing fiber) using the multilayer masking sheet according to the present invention
  • FIG. 3 is a plan view, FIG. The cross section is shown.
  • FIG. 4 since it is originally installed on the lower surface of a floor slab, the upper and lower sides are reverse to the actual.
  • FIG. 5 is a flow sheet explaining the reinforcement process using the multilayer masking sheet which concerns on this invention.
  • Keren (S1) on the lower surface of the floor plate is performed as in the conventional case, and then a primer is applied to the base.
  • the corner portion masking (S2) of the lattice portion is performed, and further, the primer treatment (S3) is performed, and the non-landing correction (S4) is performed to form the base.
  • the corner mask for the primer of S2 may use the multilayer masking sheet according to the present invention, but here, an example of conventional masking will be described.
  • the primer coating since the thickness of the primer layer is thin, the workability is relatively good even using a conventional masking material.
  • the cross section after inland correction is shown in FIG. 4 (a).
  • the primer layer 11 is formed on the floor plate 10, and the primer layer is not formed on the corner portion.
  • the multilayer masking sheet according to the present invention is attached, and corner masking for reinforcing fibers is performed (FIG. 5: S5, FIG. 4 (b)).
  • resin undercoating, first layer reinforcing fiber pasting (FIG. 5: S6), resin top coating, and resin impregnation (FIG. 5: S7).
  • the first layer reinforcing fiber 12 extends in the Y direction (also referred to as a first direction) in FIG.
  • the XY direction in FIG. 3 is the same as the XY direction in FIG.
  • one cornered portion is shown, but in practice, as shown in FIGS.
  • FIG. 4 (c) The X1-X2 cross section of FIG. 3 (a) after impregnation of the resin 13 is shown in FIG. 4 (c). At this time, a part of the resin 13 may intrude into the space 6 under the lower layer masking sheet substrate 1-1 from the sides a and c, but the lower layer masking sheet substrate 1-1 has the cut portion 4-1.
  • FIG. 4D shows a state in which the upper masking sheet substrate 1-2 is removed.
  • the adhesive layer 2-2 is shown remaining on the lower layer masking sheet substrate 1-1, but the adhesive layer 2-2 is removed together with the upper layer masking sheet substrate 1-2.
  • the adhesion of the lower layer masking sheet substrate 1-1 may be lowered.
  • the masking sheet is removed after resin impregnation (FIG. 6: S8 ′), and a masking sheet is newly attached (FIG. 6: S9 ′).
  • a masking sheet is newly attached (FIG. 6: S9 ′).
  • the masking sheet substrate 1-2 FIG. 5: S8
  • the lower layer masking sheet substrate 1-1 remains, and new masking sheet attachment becomes unnecessary.
  • the masking sheet base material 1-2 in the upper layer is removed from the incisions 4-2, peeling from the central portion where the resin is difficult to adhere usually becomes easy.
  • FIG. 5 shows a Y1-Y2 cross section of FIG. 3 (b).
  • the lower layer masking sheet is removed (FIG. 5: S11) and cured (FIG. 5: S12).
  • FRP lattice-like fiber reinforced resin structure
  • the non-coated portion from which the multilayer masking sheet according to the present invention has been removed exposes the concrete surface of the lower surface of the floor slab, so that it is possible to observe cracks and the like with time, and it is possible to prevent stagnation of penetrating water.
  • the second layer reinforcing fiber is attached, it is not necessary to newly set a cornering masking sheet.
  • part shows a mass part
  • Base material The base material (125 micrometers in thickness) which laminated the polyethylene resin layer on the both sides of the cross woven fabric of a polyethylene flat yarn and polyester yarn was prepared.
  • An acrylic polymer having a solid content of 50% was obtained by polymerizing 97 parts of 2-ethylhexyl acrylate and 3 parts of acrylic acid in a solvent using 2,2′-azobis (isobutyronitrile) as an initiator.
  • An acrylic adhesive comprising 100 parts of this acrylic polymer as a base polymer and 1 part of an isocyanate-based curing agent (manufactured by Soken Chemical Co., Ltd., trade name L-45) was prepared.
  • the acrylic pressure-sensitive adhesive was continuously applied partially on one surface of the substrate by a roll coating method so that the thickness of the pressure-sensitive adhesive layer was 30 ⁇ m and the width of the portion without the pressure-sensitive adhesive layer was 30 mm.
  • the first single layer masking sheet (upper layer masking sheet) was laminated at the desired location on the second single layer masking sheet (lower layer masking sheet). Furthermore, a multi-layered masking sheet was manufactured by laminating a release liner on the adhesive surface of the lowermost single-layer masking sheet and leaving only the release liner in the shape of 100 mm ⁇ 100 mm to perform seal removal processing (half cut). .

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Working Measures On Existing Buildindgs (AREA)

Abstract

La présente invention concerne une feuille de masquage qui permet de réduire le nombre d'opérations de masquage à effectuer pour obtenir des marquages, de maintenir une bonne usinabilité pendant le masquage effectué pour obtenir des marquages, et qui est facile à retirer. La feuille de masquage multicouche pour obtenir des marquages selon l'invention est obtenue par stratification d'une pluralité de feuilles de masquage monocouche rectangulaires comprenant chacune un matériau de base 1 de feuille de masquage et une couche adhésive sensible à la pression 2, et est caractérisée en ce que, dans chacune des feuilles de masquage monocouche, la couche adhésive sensible à la pression 2 est agencée le long des marges externes d'un premier bord a et d'un deuxième bord c situé à l'opposé du premier bord a du matériau de base de feuille de masquage, et en ce qu'une région non adhésive B est agencée au niveau de la partie centrale, depuis un troisième bord b qui est différent des premier et deuxième bords, en direction d'un quatrième bord d situé à l'opposé du troisième bord b.
PCT/JP2017/025571 2017-07-13 2017-07-13 Feuille de masquage multicouche WO2019012655A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018540893A JP6431649B1 (ja) 2017-07-13 2017-07-13 多層マスキングシート
PCT/JP2017/025571 WO2019012655A1 (fr) 2017-07-13 2017-07-13 Feuille de masquage multicouche

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/025571 WO2019012655A1 (fr) 2017-07-13 2017-07-13 Feuille de masquage multicouche

Publications (1)

Publication Number Publication Date
WO2019012655A1 true WO2019012655A1 (fr) 2019-01-17

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PCT/JP2017/025571 WO2019012655A1 (fr) 2017-07-13 2017-07-13 Feuille de masquage multicouche

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JP (1) JP6431649B1 (fr)
WO (1) WO2019012655A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10704021B2 (en) 2012-03-15 2020-07-07 Flodesign Sonics, Inc. Acoustic perfusion devices
WO2021131922A1 (fr) * 2019-12-27 2021-07-01 株式会社寺岡製作所 Feuille de masquage et procédé de renforcement d'une dalle de sol de route l'utilisant
US11708572B2 (en) 2015-04-29 2023-07-25 Flodesign Sonics, Inc. Acoustic cell separation techniques and processes

Citations (7)

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Publication number Priority date Publication date Assignee Title
JPS49112319U (fr) * 1972-12-14 1974-09-25
JPS63130224U (fr) * 1987-02-18 1988-08-25
JPH01136969U (fr) * 1988-03-15 1989-09-19
JPH03242266A (ja) * 1990-02-16 1991-10-29 Tatsuku Syst Kk 糊付方法
JPH0554617U (ja) * 1991-12-25 1993-07-23 日昌株式会社 ラインマスキングテープ
JP2000332375A (ja) * 1999-05-18 2000-11-30 Matsushita Electric Ind Co Ltd マスクフィルムとその製造方法およびそれを用いた回路基板の製造方法
US20150298155A1 (en) * 2012-11-05 2015-10-22 Kathe Sackler Perforated painter's masking tape

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6203894B1 (ja) * 2016-03-31 2017-09-27 株式会社寺岡製作所 粘着テープ及びその製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49112319U (fr) * 1972-12-14 1974-09-25
JPS63130224U (fr) * 1987-02-18 1988-08-25
JPH01136969U (fr) * 1988-03-15 1989-09-19
JPH03242266A (ja) * 1990-02-16 1991-10-29 Tatsuku Syst Kk 糊付方法
JPH0554617U (ja) * 1991-12-25 1993-07-23 日昌株式会社 ラインマスキングテープ
JP2000332375A (ja) * 1999-05-18 2000-11-30 Matsushita Electric Ind Co Ltd マスクフィルムとその製造方法およびそれを用いた回路基板の製造方法
US20150298155A1 (en) * 2012-11-05 2015-10-22 Kathe Sackler Perforated painter's masking tape

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10704021B2 (en) 2012-03-15 2020-07-07 Flodesign Sonics, Inc. Acoustic perfusion devices
US11708572B2 (en) 2015-04-29 2023-07-25 Flodesign Sonics, Inc. Acoustic cell separation techniques and processes
WO2021131922A1 (fr) * 2019-12-27 2021-07-01 株式会社寺岡製作所 Feuille de masquage et procédé de renforcement d'une dalle de sol de route l'utilisant
JPWO2021131922A1 (fr) * 2019-12-27 2021-07-01
JP7282921B2 (ja) 2019-12-27 2023-05-29 株式会社寺岡製作所 マスキングシート及びそれを用いた道路床版の補強方法

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JPWO2019012655A1 (ja) 2019-07-18

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