JP2008155130A - Masking material - Google Patents
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- JP2008155130A JP2008155130A JP2006346969A JP2006346969A JP2008155130A JP 2008155130 A JP2008155130 A JP 2008155130A JP 2006346969 A JP2006346969 A JP 2006346969A JP 2006346969 A JP2006346969 A JP 2006346969A JP 2008155130 A JP2008155130 A JP 2008155130A
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Description
本発明は物品に塗装、メッキ等の表面処理を施す場合、表面処理が施されるべきでない箇所（被マスキング部分）に被着されるマスキング材に関するものである。 The present invention relates to a masking material to be applied to a portion (masked portion) where surface treatment should not be performed when a surface treatment such as painting or plating is performed on an article.
物品の被マスキング部分を塗装等の表面処理から保護する場合、例えば被マスキング部分を粘着テープ等で被覆して表面処理することによって行われていた。しかし被マスキング部分を粘着テープで被覆する作業は非常に手間がかかる。
そこで従来、貫通孔を有する被マスキング部分の場合、例えば図１５に示す円筒状の嵌合部１２１Ａや図１７に示す箱形の嵌合部１２１Ｂを有するプラスチック製のマスキング材１２０Ａ，１２０Ｂを使用して、該嵌合部１２１Ａ，１２１Ｂを被マスキング部分の貫通孔１１０Ａ、１１０Ｂに嵌着することによりマスキング材１２０Ａ，１２０Ｂを被着することによって行っていた。
In the case of protecting a masked portion of an article from a surface treatment such as painting, for example, the masked portion is covered with an adhesive tape or the like and surface-treated. However, the work of covering the masked portion with the adhesive tape is very troublesome.
Therefore, conventionally, in the case of a masked part having a through-hole, for example, plastic masking materials 120A and 120B having a cylindrical fitting part 121A shown in FIG. 15 and a box-like fitting part 121B shown in FIG. Thus, the masking materials 120A and 120B are attached by fitting the fitting portions 121A and 121B into the through-holes 110A and 110B of the portions to be masked.
上記従来のマスキング材１２０Ａ，１２０Ｂでは、塗料を吹き付ける際、図１６および図１８に示すように塗料等のミストが物品１０１Ａ，１０１Ｂの裏側にまわり込んで貫通孔１１０Ａ，１１０Ｂの奥端から貫通孔１１０Ａ，１１０Ｂ内に侵入し、塗装が施されるべきでない貫通孔１１０Ａ，１１０Ｂの内面に塗料が付着してしまうと云う問題点があった。 In the conventional masking materials 120A and 120B, when the paint is sprayed, as shown in FIGS. 16 and 18, a mist of paint or the like wraps around the back side of the articles 101A and 101B and passes through the through holes 110A and 110B. There is a problem that the paint enters the 110A and 110B and the paint adheres to the inner surfaces of the through holes 110A and 110B that should not be coated.
本発明は、上記従来の課題を解決するための手段として、マスキング対象部材１に存在する貫通孔２に嵌着する嵌合突部３１，３２，３３，３４，３５，３６，６２，６３，６４，６５，６６，６７を設けたマスキング材３０であって、
該嵌合突部３１，３２，３３，３４，３５，３６，６２，６３，６４，６５，６６，６７には全縁的または部分的に該貫通孔２奥端周縁部を被覆する凸縁部４０，４１Ａ，４３Ａ，４６Ａ，４８，５１，５４，６８，６９，７３，７４，７５，８３Ａ，８４Ａが突設されており、
更に該凸縁部４０，４１Ａ，４３Ａ，４６Ａ，４８，５１，５４，６８，６９，７３，７４，７５，８３Ａ，８４Ａの所定個所には一個または複数個の係合突起４２，４４，４５，４７，４９，５０，５２，５３，５５，５６，５７，５８，５９，７１，７２，７７，７８，７９，８０，８１，８２，８６，８７，８８が形成されていることを特徴とするマスキング材３０を提供するものである。
上記マスキング材３０はロックウェル（ＡＳＴＭ：Ｄ７８５）Ｒ５０〜１３０の硬さの熱可塑性樹脂シートの真空成形および／または圧空成形品であることが望ましく、更に上記熱可塑性樹脂シートの厚みは０．２〜０．５ｍｍであることが望ましい。このような熱可塑性樹脂シートの真空成形および／または圧空成形品であるマスキング材３０にあっては、上記嵌合突部３１，３２，３３，３４，３５，３６，６２，６３，６４，６５，６６，６７に突設されている凸縁部４０，４１Ａ，４３Ａ，４６Ａ，４８，５１，５４，６８，６９，７３，７４，７５，８３Ａ，８４Ａの突出量と上記凸縁部４０，４１Ａ，４３Ａ，４６Ａ，４８，５１，５４，６８，６９，７３，７４，７５，８３Ａ，８４Ａに形成されている係合突起４２，４４，４５，４７，４９，５０，５２，５３，５５，５６，５７，５８，５９，７１，７２，７７，７８，７９，８０，８１，８２，８６，８７，８８の該凸縁部４０，４１Ａ，４３Ａ，４６Ａ，４８，５１，５４，６８，６９，７３，７４，７５，８３Ａ，８４Ａからの高さは１〜３ｍｍであることが望ましい。
As a means for solving the above-described conventional problems, the present invention provides fitting protrusions 31, 32, 33, 34, 35, 36, 62, 63, which are fitted into the through holes 2 existing in the masking target member 1. A masking material 30 provided with 64, 65, 66, 67,
The fitting protrusions 31, 32, 33, 34, 35, 36, 62, 63, 64, 65, 66, 67 have a convex edge that covers the peripheral edge of the inner end of the through hole 2 entirely or partially. Portions 40, 41A, 43A, 46A, 48, 51, 54, 68, 69, 73, 74, 75, 83A, 84A are provided in a protruding manner,
Further, one or a plurality of engaging protrusions 42, 44, 45 are provided at predetermined positions of the convex edge portions 40, 41A, 43A, 46A, 48, 51, 54, 68, 69, 73, 74, 75, 83A, 84A. 47, 49, 50, 52, 53, 55, 56, 57, 58, 59, 71, 72, 77, 78, 79, 80, 81, 82, 86, 87, 88 are formed. A masking material 30 is provided.
The masking material 30 is preferably a vacuum molded and / or pressure molded product of a thermoplastic resin sheet having a hardness of Rockwell (ASTM: D785) R50 to 130, and the thickness of the thermoplastic resin sheet is 0.2. It is desirable that it is ˜0.5 mm. In the masking material 30 which is such a vacuum molded and / or compressed air molded product of the thermoplastic resin sheet, the fitting protrusions 31, 32, 33, 34, 35, 36, 62, 63, 64, 65 are provided. , 66, 67 protruding from the protruding edges 40, 41A, 43A, 46A, 48, 51, 54, 68, 69, 73, 74, 75, 83A, 84A and the protruding edges 40, 41A, 43A, 46A, 48, 51, 54, 68, 69, 73, 74, 75, 83A, 84A, engaging projections 42, 44, 45, 47, 49, 50, 52, 53, 55 , 56, 57, 58, 59, 71, 72, 77, 78, 79, 80, 81, 82, 86, 87, 88, 40, 41A, 43A, 46A, 48, 51, 54, 68 69, 73, 74, 75, 83A, Height from 4A is preferably a 1 to 3 mm.
〔作用〕
本発明のマスキング材３０の嵌合突部３１，３２，３３，３４，３５，３６，６２，６３，６４，６５，６６，６７をマスキング対象部材１の貫通孔２に挿入することによって、該マスキング材３０を該マスキング対象部材１の貫通孔２に取付ける。また該マスキング材３０にあっては凸縁部４０，４１Ａ，４３Ａ，４６Ａ，４８，５１，５４，６８，６９，７３，７４，７５，８３Ａ，８４Ａの所定個所に設けた係合突起４２，４４，４５，４７，４９，５０，５２，５３，５５，５６，５７，５８，５９，７１，７２，７７，７８，７９，８０，８１，８２，８６，８７，８８が該貫通孔２の奥端周縁部に係合するから、該マスキング材３０は該貫通孔２に堅固に取付けられ、塗装の際のスプレー圧等の外力が該マスキング材３０に及ぼされても該マスキング材３０は該貫通孔２からずれたり、はずれたりすることはない。
該マスキング材３０を該貫通孔２に取付けた状態で、該嵌合突部３１，３２，３３，３４，３５，３６，６２，６３，６４，６５，６６，６７の奥端縁部に形成した凸縁部４０，４１Ａ，４３Ａ，４６Ａ，４８，５１，５４，６８，６９，７３，７４，７５，８３Ａ，８４Ａによって該貫通孔２の奥端周縁部が被覆されるので、スプレー塗装の際にマスキング対象部材１の裏側にまわり込んだ塗料ミストが、該貫通孔２の奥端から貫通孔２内に侵入することが防止される。
[Action]
By inserting the fitting protrusions 31, 32, 33, 34, 35, 36, 62, 63, 64, 65, 66, 67 of the masking material 30 of the present invention into the through-hole 2 of the member 1 to be masked, The masking material 30 is attached to the through hole 2 of the member 1 to be masked. Further, in the masking material 30, the engaging projections 42 provided at predetermined positions of the convex edge portions 40, 41A, 43A, 46A, 48, 51, 54, 68, 69, 73, 74, 75, 83A, 84A, 44, 45, 47, 49, 50, 52, 53, 55, 56, 57, 58, 59, 71, 72, 77, 78, 79, 80, 81, 82, 86, 87, 88 are the through holes 2. The masking material 30 is firmly attached to the through-hole 2 so that the masking material 30 can be applied even if an external force such as spray pressure is applied to the masking material 30 during painting. There is no slippage or slippage from the through hole 2.
With the masking material 30 attached to the through-hole 2, the fitting projections 31, 32, 33, 34, 35, 36, 62, 63, 64, 65, 66, and 67 are formed at the rear edge. Since the rear edge peripheral portion of the through hole 2 is covered by the convex edge portions 40, 41A, 43A, 46A, 48, 51, 54, 68, 69, 73, 74, 75, 83A, 84A, At this time, the paint mist that has entered the back side of the masking target member 1 is prevented from entering the through hole 2 from the back end of the through hole 2.
該マスキング材２１はロックウェル（ＡＳＴＭ：Ｄ７８５）Ｒ５０〜１３０の硬さの熱可塑性樹脂シートの真空成形および／または圧空成形品であり、かつ上記熱可塑性樹脂シートの厚みが０．２〜０．５ｍｍであると、該マスキング材２０は大量生産が可能であり、かつ複雑形状、深絞形状も容易に成形出来る。この場合該嵌合突部３１，３２，３３，３４，３５，３６，６２，６３，６４，６５，６６，６７の末端の縁部に突設されている凸縁部４０，４１Ａ，４３Ａ，４６Ａ，４８，５１，５４，６８，６９，７３，７４，７５，８３Ａ，８４Ａの突出量と該凸縁部４０，４１Ａ，４３Ａ，４６Ａ，４８，５１，５４，６８，６９，７３，７４，７５，８３Ａ，８４Ａの所定個所に設けた係合突起４２，４４，４５，４７，４９，５０，５２，５３，５５，５６，５７，５８，５９，７１，７２，７７，７８，７９，８０，８１，８２，８６，８７，８８の該凸縁部４０，４１Ａ，４３Ａ，４６Ａ，４８，５１，５４，６８，６９，７３，７４，７５，８３Ａ，８４Ａからの突出量が１〜３ｍｍであると、該マスキング材３０を該貫通孔２に堅固に取付けられる一方、塗装後には該マスキング材３０を該貫通孔２から簡単に取り外すことが出来る。 The masking material 21 is a vacuum molded and / or pressure molded product of a thermoplastic resin sheet having a hardness of Rockwell (ASTM: D785) R50-130, and the thickness of the thermoplastic resin sheet is 0.2-0. When the thickness is 5 mm, the masking material 20 can be mass-produced, and complex shapes and deep-drawn shapes can be easily formed. In this case, the convex edge portions 40, 41A, 43A, which protrude from the end edges of the fitting protrusions 31, 32, 33, 34, 35, 36, 62, 63, 64, 65, 66, 67, 46A, 48, 51, 54, 68, 69, 73, 74, 75, 83A, 84A and the protruding edges 40, 41A, 43A, 46A, 48, 51, 54, 68, 69, 73, 74 , 75, 83A, 84A, engaging projections 42, 44, 45, 47, 49, 50, 52, 53, 55, 56, 57, 58, 59, 71, 72, 77, 78, 79 , 80, 81, 82, 86, 87, 88 are projected from the convex edge portions 40, 41A, 43A, 46A, 48, 51, 54, 68, 69, 73, 74, 75, 83A, 84A. When it is ˜3 mm, the masking material 30 is firmly attached to the through hole 2. While attached, after painting can be easily removed the masking material 30 from the through-hole 2.
〔効果〕
したがって本発明のマスキング材は、マスキング対象部材１の貫通孔２に堅固に取付けることが出来る一方では該貫通孔２から容易に取り外すことが出来、そして該マスキング対象部材１の貫通孔２内が塗料によって汚染されることが確実に防止される。
〔effect〕
Therefore, the masking material of the present invention can be firmly attached to the through hole 2 of the member 1 to be masked, but can be easily removed from the through hole 2, and the inside of the through hole 2 of the member 1 to be masked is a paint. Is reliably prevented from being contaminated.
本発明の第１実施例を図１〜図１５に示す。
図１に示すのは、本実施例のマスキング対象部材である自動車のバンパー１であり、該バンパー１には貫通孔である空気取入れ口２が設けられており、該空気取入れ口２にはフレーム３が嵌着されている。図２に示すように該フレーム３の正面左側部分の上縁には切欠き部４，５，６を介して突出部７，８，９，１０が設けられており、該突出部８，９には２本の縦桟１１，１２が支持されており、更に縦方向中央部には１本の横桟１３が設けられており、該空気取入れ口２の正面左側部分は該縦桟１１，１２と該横桟１３とによって上下２段合計６個の区画孔部１４，１５，１６，１７，１８，１９に区画されている。
該フレーム３の正面右側部分は孔明き板２０によって被覆されており、該孔明き板２０の上段には２個の窓孔２１、２２が設けられ、横仕切り２０Ａを介して下段には縦桟２３によって区画される２個の区画孔部２４，２５が設けられている。
A first embodiment of the present invention is shown in FIGS.
FIG. 1 shows an automobile bumper 1 which is a masking target member of the present embodiment, and the bumper 1 is provided with an air intake 2 which is a through hole, and the air intake 2 has a frame. 3 is fitted. As shown in FIG. 2, protrusions 7, 8, 9, and 10 are provided on the upper edge of the front left portion of the frame 3 through notches 4, 5, 6. Two vertical bars 11 and 12 are supported on the left side, and further, one horizontal bar 13 is provided at the center in the vertical direction. The front left side portion of the air intake port 2 is the vertical bar 11 and 12. 12 and the crosspiece 13 are divided into a total of six partition holes 14, 15, 16, 17, 18, 19 in two upper and lower stages.
The front right side portion of the frame 3 is covered with a perforated plate 20, and two window holes 21 and 22 are provided on the upper stage of the perforated plate 20, and a vertical rail is provided on the lower stage via a horizontal partition 20A. Two partition holes 24 and 25 partitioned by 23 are provided.
図４〜図７に示すのは該バンパー１の空気取入れ口２に被着されるマスキング材３０であって、左右に二分割（３０Ａ，３０Ｂ）されている。
該左側分割部分３０Ａには該フレーム３の区画孔部１４，１５，１６，１７，１８，１９にそれぞれ嵌着される上下二段の嵌合突部３１，３２，３３，３４，３５，３６が設けられており、該嵌合突部３１，３２間、該嵌合突部３４，３５間にわたって該フレーム３の縦桟１１を嵌合する縦桟嵌合溝３７が形成されており、該嵌合突部３２，３３間、該嵌合突部３５，３６間にわたって該フレーム３の縦桟１２を嵌合する縦桟嵌合溝３８が形成されている。更に該嵌合突部３１、３４間、該嵌合突部３２，３５間、該嵌合突部３３，３６間にわたって該フレーム３の横桟１３を嵌合する横桟嵌合溝３９が設けられている。
上記左上段の嵌合突部３１の奥端左側縁から上側縁にかけては凸縁部４０が突設されており、上面には高段部４１が形成されており、該高段部４１の周縁は凸縁部４１Ａになっており、該凸縁部４１Ａの所定個所には係合突起４２が形成されており、該中上段の嵌合突部３２の上面には高段部４３が形成されており、該高段部４３の周縁は凸縁部４３Ａになっており、該凸縁部４３Ａの所定個所には一対の係合突起４４，４５が形成されており、該右上段の嵌合突部３３の上面には高段部４６が形成されており、該高段部４６の周縁は凸縁部４６Ａになっており、該凸縁部４６Ａの所定個所には一個の係合突起４７が形成されている。
上記高段部４１，４３，４６の凸縁部４１Ａ，４３Ａ，４６Ａの輪部は図２に示す該フレーム１３の突出部８，９を有する上辺３Ａの形状に沿った形状とされている。
4 to 7 show a masking material 30 to be attached to the air intake 2 of the bumper 1, which is divided into left and right parts (30A, 30B).
The left divided portion 30A has two upper and lower fitting projections 31, 32, 33, 34, 35, 36 which are fitted in the partition hole portions 14, 15, 16, 17, 18, 19 of the frame 3, respectively. A vertical beam fitting groove 37 for fitting the vertical beam 11 of the frame 3 is formed between the fitting protrusions 31 and 32 and between the fitting protrusions 34 and 35, A vertical beam fitting groove 38 for fitting the vertical beam 12 of the frame 3 is formed between the fitting protrusions 32 and 33 and between the fitting protrusions 35 and 36. Further, a horizontal beam fitting groove 39 for fitting the horizontal beam 13 of the frame 3 is provided between the fitting projections 31 and 34, between the fitting projections 32 and 35, and between the fitting projections 33 and 36. It has been.
A convex edge 40 protrudes from the left edge of the rear end of the upper left fitting protrusion 31 to the upper edge, and a high step 41 is formed on the upper surface. Has a convex edge portion 41A, an engagement protrusion 42 is formed at a predetermined position of the convex edge portion 41A, and a high step portion 43 is formed on the upper surface of the middle and upper fitting protrusion 32. The peripheral edge of the high step portion 43 is a convex edge portion 43A, and a pair of engagement protrusions 44 and 45 are formed at predetermined positions of the convex edge portion 43A. A high step portion 46 is formed on the upper surface of the protrusion 33, and the peripheral edge of the high step portion 46 is a convex edge portion 46 </ b> A. One engagement protrusion 47 is formed at a predetermined position of the convex edge portion 46 </ b> A. Is formed.
The ring portions of the convex edge portions 41A, 43A, and 46A of the high step portions 41, 43, and 46 have a shape that follows the shape of the upper side 3A having the protruding portions 8 and 9 of the frame 13 shown in FIG.
上記左下段の嵌合突部３４の奥端下縁から左側縁にかけては凸縁部４８が突設されており、該凸縁部４８の左下角および右端部には係合突起４９，５０が形成されており、該中下段の嵌合嵌合突部３５の奥端下縁には凸縁部５１が突設されており、該凸縁部５１には左右一対の係合突起５２，５３が形成されており、該右下段の嵌合突部３６の奥端下縁には凸縁部５４が突設されており、該凸縁部５４には一個の係合突起５５が形成されている。
更に該左下段の嵌合突部３４の上面には左右一対の係合突起５６，５７が形成され、該中下段の嵌合突部３５の上面には一個の係合突起５８が形成され、該右下段の嵌合突部３６の上面には一個の係合突起５９が形成されている。また更に縦桟嵌合溝３７の外側中央部にはつまみ６０が突設されている。
該左側分割部分３０Ａの全周にわたって外周折返し部６１が設けられている。
A convex edge 48 projects from the lower edge of the rear end of the fitting protrusion 34 at the lower left stage to the left edge, and engagement protrusions 49 and 50 are provided at the lower left corner and the right end of the convex edge 48. A convex edge portion 51 is formed on the lower edge of the rear end of the fitting fitting protrusion 35 in the middle lower stage, and a pair of left and right engaging protrusions 52 and 53 are formed on the convex edge portion 51. A convex edge portion 54 is provided at the lower edge of the rear end of the fitting protrusion 36 in the lower right stage, and one engagement protrusion 55 is formed on the convex edge portion 54. Yes.
Further, a pair of left and right engaging projections 56 and 57 are formed on the upper surface of the lower left fitting projection 34, and one engaging projection 58 is formed on the upper surface of the middle lower fitting projection 35. One engaging protrusion 59 is formed on the upper surface of the lower right fitting protrusion 36. Further, a knob 60 is projected from the outer central portion of the vertical beam fitting groove 37.
An outer periphery turning portion 61 is provided over the entire circumference of the left divided portion 30A.
上記右側分割部分３０Ｂの上段には右端から該フレーム３の孔明き板２０の上段の２個の窓孔２１，２２にそれぞれ嵌着される嵌合突部６２，６３が形成されており、左端には該フレーム３の上段の区画孔部１６に嵌着される嵌合突部６４が形成されている。そして該右側分割部分３０Ｂの下段には該孔明き板２０の下段の区画孔部２４，２５にそれぞれ嵌着される嵌合突部６５，６６と、該フレーム３の区画孔部１９に嵌着される嵌合突部６７とが形成されている。
該上段の嵌合突部６２，６３の奥端上縁には凸縁部６８，６９が突設されており、更に左端の嵌合突部６４の上面には高段部７０が形成されており、該高段部７０の周縁は凸縁部７０Ａになっており、該凸縁部７０Ａには左右一対の係合突起７１，７２が形成されている。該凸縁部７０Ａの輪部は該フレーム３の上辺形状に沿った形状とされている。
該下段の右側嵌合突起６５の奥端下縁から右縁にかけては凸縁部７３が突設され、該中央の嵌合突部６６の奥端下縁には凸縁部７４が突設され、該左端の嵌合突部６７の奥端下縁には凸縁部７５が突設され、該嵌合突部６５の凸縁部７３の右縁、角部、下縁にはそれぞれ一個づつ係合突起７６，７７，７８が形成され、該嵌合突部６６の凸縁部７４には左右一対の係合突起７９，８０が形成され、該嵌合突部６７の凸縁部７５には左右一対の係合突起８１，８２が形成されており、該嵌合突部６５，６６の上面には高段部８３，８４がそれぞれ形成され、該高段部８３，８４の周縁は凸縁部８３Ａ，８４Ａになっており、該凸縁部８３Ａ，８４Ａの所定個所にはそれぞれ一個の係合突起８６，８７が形成されており、該係合突部６７の上面には係合突起８８が形成されている。上記凸縁部８３Ａ，８４Ａの輪部は、図３に示す孔明き板２０の横仕切り２０Ａの形状に沿った形状とされる。
更に嵌合突部６５，６６間には縦桟２３を嵌合する縦桟嵌合溝９０が設けられており、また左端上下段の嵌合突部６４，６７間には横桟１３を嵌合する横桟嵌合溝９１が設けられている。
そして該右側分割部分３０Ｂの全周には折返し部９２が設けられている。
On the upper stage of the right divided portion 30B, fitting projections 62 and 63 are formed, which are respectively fitted from the right end to the two upper window holes 21 and 22 of the perforated plate 20 of the frame 3. A fitting projection 64 is formed to be fitted into the upper partition hole 16 of the frame 3. Further, fitting protrusions 65 and 66 to be fitted into the lower partition holes 24 and 25 of the perforated plate 20 and the partition hole 19 of the frame 3 are fitted to the lower stage of the right divided portion 30B. The fitting protrusion 67 to be formed is formed.
Convex edges 68 and 69 project from the upper edges of the rear ends of the upper fitting projections 62 and 63, and a high step portion 70 is formed on the upper surface of the left fitting fitting 64. The peripheral edge of the high step portion 70 is a convex edge portion 70A, and a pair of left and right engaging projections 71 and 72 are formed on the convex edge portion 70A. The ring portion of the convex edge portion 70 </ b> A has a shape along the upper side shape of the frame 3.
A convex edge 73 protrudes from the lower edge of the lower right fitting protrusion 65 to the right edge, and a convex edge 74 protrudes from the lower edge of the inner engagement protrusion 66. A convex edge 75 is provided on the lower edge of the rear end of the fitting protrusion 67 at the left end, and one is provided at each of the right edge, the corner, and the lower edge of the convex edge 73 of the fitting protrusion 65. Engaging projections 76, 77, 78 are formed, and a pair of left and right engaging projections 79, 80 are formed on the convex edge portion 74 of the fitting projection 66, and the convex edge portion 75 of the fitting projection 67 is formed on the convex edge portion 75. A pair of left and right engaging protrusions 81 and 82 is formed, and high step parts 83 and 84 are formed on the upper surfaces of the fitting protrusions 65 and 66, respectively, and the peripheral edges of the high step parts 83 and 84 are convex. There are edge portions 83A and 84A, and one engaging projection 86 and 87 is formed at a predetermined position of each of the convex edge portions 83A and 84A. Engaging projection 88 is formed. The ring portions of the convex edge portions 83A and 84A have a shape along the shape of the horizontal partition 20A of the perforated plate 20 shown in FIG.
Further, a vertical beam fitting groove 90 for fitting the vertical beam 23 is provided between the fitting projections 65 and 66, and the horizontal beam 13 is fitted between the upper and lower fitting projections 64 and 67. A horizontal crosspiece fitting groove 91 is provided.
A folding portion 92 is provided on the entire circumference of the right divided portion 30B.
上記左側分割部分３０Ａと右側分割部分３０Ｂとは接続されてマスキング材３０を構成し、図８に示すようにバンパー１の空気取入れ口２のフレーム３に取付けられる。そして該マスキング材３０の左側分割部分３０Ａの嵌合突部３１，３２，３３，３４，３５，３６は図９に示すようにそれぞれ該フレーム３の区画孔部１４，１５，１６，１７，１８，１９に嵌着され、該フレーム３の縦桟１１，１２は該左側分割部分３０Ａの縦桟嵌合溝３７，３８に嵌合され、該フレーム３の横桟１３は該左側分割部分３０Ａの横桟嵌合溝３９に嵌合される。 The left divided portion 30A and the right divided portion 30B are connected to form a masking material 30, and are attached to the frame 3 of the air intake port 2 of the bumper 1 as shown in FIG. Then, the fitting protrusions 31, 32, 33, 34, 35, 36 of the left divided portion 30A of the masking material 30 are the partition hole portions 14, 15, 16, 17, 18 of the frame 3 as shown in FIG. , 19 and the vertical bars 11 and 12 of the frame 3 are fitted into the vertical bar fitting grooves 37 and 38 of the left-side divided part 30A, and the horizontal bars 13 of the frame 3 are fitted to the left-side divided part 30A. It is fitted in the horizontal rail fitting groove 39.
更に図１０に示すように該マスキング材３０の右側分割部分３０Ｂの嵌合突部６２，６３は該フレーム３の孔明き板２０の窓部２１，２２にそれぞれ嵌着され、左端嵌合突部６４は該フレーム３の上段区画孔部１６に嵌着され、下段嵌合突部６５，６６は該孔明き板２０下段の区画孔部２４，２５にそれぞれ嵌着されている。 Further, as shown in FIG. 10, the fitting protrusions 62 and 63 of the right divided portion 30B of the masking material 30 are respectively fitted to the window parts 21 and 22 of the perforated plate 20 of the frame 3, and the left end fitting protrusions. 64 is fitted into the upper partition hole 16 of the frame 3, and the lower fitting projections 65, 66 are fitted into the lower partition holes 24, 25 of the perforated plate 20.
上記左側分割部分３０Ａと右側分割部分３０Ｂとの接続部分においては、図１１、図１２に示すように左側分割部分３０Ａの上下嵌合突部３３，３６の内側に右側嵌合突部３０Ｂの上下嵌合突部６４，６７が嵌合し、左側分割部分３０Ａの上側係合突起４７が右側分割部分３０Ｂの上側係合突起７２の上側に被さり、左側分割部分３０Ａの下側係合突起５５が右側分割部分３０Ｂの下側係合突起８２の下側に被さり、左側分割部分３０Ａの下側嵌合突部３６の上面の係合突起５９が右側分割部分３０Ｂの下側嵌合突部６７の上面の係合突起８８の上側に被さる。 As shown in FIGS. 11 and 12, at the connecting portion between the left divided portion 30A and the right divided portion 30B, the upper and lower fitting projections 30B are arranged vertically inside the upper and lower fitting projections 33 and 36 of the left divided portion 30A. The fitting protrusions 64 and 67 are fitted, the upper engagement protrusion 47 of the left divided portion 30A covers the upper side of the upper engagement protrusion 72 of the right divided portion 30B, and the lower engagement protrusion 55 of the left divided portion 30A. The engagement protrusion 59 on the upper surface of the lower fitting protrusion 36 of the left divided portion 30A covers the lower side of the lower engagement protrusion 82 of the right divided portion 30B. It covers the upper side of the engaging protrusion 88 on the upper surface.
上記マスキング材３０において、下段の嵌合突部３４，３５，３６，６７の凸縁部４８，５１，５４，７５はそれぞれフレーム３の区画孔部１７，１８，１９の下縁部奥端を被覆し、嵌合突部６５，６６の凸縁部７３，７４は孔明き板２０の下段の区画孔部２４，２５の下縁部（区画孔部２５にあっては下縁部から右縁部）奥端を被覆し、上段の嵌合突部３１，３２，３３，６４はそれぞれフレーム３の区画孔部１４，１５，１６の上縁部奥端を被覆し、また嵌合突部６２，６３の凸縁部６８，６９は孔明き板２０の上段の窓孔２１，２２の上縁部奥端を被覆する。
更に該フレーム３の上辺周縁は左側分割部分３０Ａの上側嵌合突部３１，３２，３３の高段部４１，４３，４６の凸縁部４１Ａ，４３Ａ，４６Ａおよび右側分割部分３０Ｂの上側嵌合突部６４の高段部７０の凸縁部７０Ａに沿う。
In the masking material 30, the convex edge portions 48, 51, 54, and 75 of the lower fitting protrusions 34, 35, 36, and 67 are the lower end portions of the partition hole portions 17, 18, and 19 of the frame 3. The convex edge portions 73 and 74 of the fitting projections 65 and 66 are covered with the lower edge portions of the lower partition hole portions 24 and 25 of the perforated plate 20 (in the case of the partition hole portion 25, the right edge from the lower edge portion). Part) covers the back end, and the upper fitting protrusions 31, 32, 33, 64 cover the upper edge of the partition hole parts 14, 15, 16 of the frame 3, and the fitting protrusion 62, respectively. , 63 covers the upper edges of the upper perforations 21 and 22 on the upper stage of the perforated plate 20.
Further, the peripheral edge of the upper side of the frame 3 is the upper fitting of the convex edge portions 41A, 43A, 46A of the high step portions 41, 43, 46 of the upper fitting projections 31, 32, 33 of the left divided portion 30A and the right divided portion 30B. Along the convex edge portion 70 </ b> A of the high step portion 70 of the protrusion 64.
上記したようにマスキング材３０の左側分割部分３０Ａと右側分割部分３０Ｂとは嵌合突部３４，３５，３６，６７の凸縁部４８，５１，５４，７５とフレーム３の区画孔部１７，１８，１９の下縁部奥端との係合、嵌合突部６５，６６の凸縁部７３，７４と孔明き板２０下段の区画孔部２４，２５の下縁部奥端との係合、上段嵌合突部３１，３２，３３，６４とフレーム３の区画孔部１４，１５，１６上縁部奥端との係合、嵌合突部６２，６３の凸縁部６８，６９は孔明き板２０の上段の窓孔２１，２２の上縁部奥端との係合、更にはフレーム３の上辺３Ａ周縁と左側分割部分３Ａの上側嵌合突部３１，３２，３３の上面高段部４１，４３，４６の凸縁部４１Ａ，４３Ａ，４６Ａおよび右側分割部分３０Ｂの上側嵌合突部６４上面の高段部７０の凸縁部７０Ａとの係合、上記孔明き板２０の横仕切り２０Ａと下段嵌合突部６５，６６上面の高段部８３，８４の凸縁部８３Ａ，８４Ａとの係合によってバンパー１の空気取入れ口２に固定されるが、更にマスキング材左側分割部分３０Ａにあっては、上側嵌合突部３１，３２，３３の上面高段部４１，４３，４６の係合突起４２，４４，４５，４７がフレーム３の上辺３Ａと係合し、下側嵌合突部３４，３５，３６の凸縁部４８，５１，５４の係合突起４９，５０，５２，５３，５５がフレーム３の下辺から左辺にかけて係合し、右側分割部分３０Ｂにあっては、上段嵌合突部６４の上面高段部７２の係合突起７１がフレーム３の上辺３Ａの上辺３Ａに係合し、下段嵌合突部６５，６６，６７の凸縁部７３，７４，７５の係合突起７６，７７，７８，７９，８０，８１，８２がフレーム３の右辺から下辺にかけて係合し、更に左側分割部分３０Ａの下段嵌合突部３４，３５，３６上面の係合突起５６，５７，５８，５９がフレーム３の横桟１３に係合し、右側分割部分３０Ｂの下段嵌合突部６５，６６，６７上面の係合突起８６，８７，８８がフレーム３の孔明き板２０の横仕切り２０Ａに係合することによって、マスキング材３０のフレーム３に対する取付け強度が補強される。
また更に該マスキング材３０の外周折返し部６１，９２は、該フレーム３の外周縁に嵌着される。
As described above, the left divided portion 30A and the right divided portion 30B of the masking material 30 are formed by the convex edge portions 48, 51, 54, 75 of the fitting protrusions 34, 35, 36, 67 and the partition hole portions 17, 18, 19 engagement with lower end of lower edge portion, engagement between convex edge portions 73, 74 of fitting projections 65, 66 and lower end portion of lower edge of perforated plate 20, 25, 25. The upper fitting protrusions 31, 32, 33, 64 and the partition hole portions 14, 15, 16 of the frame 3 are engaged with the rear edges of the upper edges, and the protruding edges 68, 69 of the fitting protrusions 62, 63 are engaged. Is the engagement with the upper end of the upper edge of the perforated plate 20 and the upper edge of the upper edge 3A of the frame 3 and the upper surfaces of the upper fitting projections 31, 32, 33 of the left divided portion 3A. High stepped portions 41A, 43A, 46A of the high step portions 41, 43, 46 and high step portions on the upper surface of the upper fitting projection 64 of the right divided portion 30B The bumper is engaged by engagement with the zero convex edge portion 70A, and engagement between the horizontal partition 20A of the perforated plate 20 and the convex edge portions 83A and 84A of the upper step portions 83 and 84 on the upper surface of the lower fitting projections 65 and 66. 1 is fixed to the air intake 2, but in the masking material left-side divided portion 30 </ b> A, the engagement protrusions 42, 43, 46 of the upper upper step portions 41, 43, 46 of the upper fitting protrusions 31, 32, 33 are provided. 44, 45, 47 are engaged with the upper side 3A of the frame 3, and the engaging projections 49, 50, 52, 53, 55 of the convex edges 48, 51, 54 of the lower fitting projections 34, 35, 36 are provided. Engage from the lower side to the left side of the frame 3, and in the right divided portion 30 </ b> B, the engagement protrusion 71 of the upper upper step 72 of the upper fitting protrusion 64 engages with the upper side 3 </ b> A of the upper side 3 </ b> A of the frame 3. , Engaging protrusions 7 of the convex edge portions 73, 74, 75 of the lower fitting protrusions 65, 66, 67 , 77, 78, 79, 80, 81, 82 are engaged from the right side to the lower side of the frame 3, and the engaging projections 56, 57, 58 on the upper surface of the lower fitting projections 34, 35, 36 of the left divided portion 30A. , 59 are engaged with the horizontal rail 13 of the frame 3, and the engaging projections 86, 87, 88 on the upper surface of the lower fitting projections 65, 66, 67 of the right divided portion 30B are the horizontal partitions of the perforated plate 20 of the frame 3. By engaging with 20A, the attachment strength of the masking material 30 to the frame 3 is reinforced.
Furthermore, the outer peripheral folded portions 61 and 92 of the masking material 30 are fitted to the outer peripheral edge of the frame 3.
上記マスキング材３０を該バンパー１の空気取入れ口２に取付けてから、該バンパー１には塗料をスプレーして塗装が行われる。この際塗料ミストが該空気取入れ口２の前面から内部に侵入することは、該マスキング材３０によって阻止され、また該塗料ミストが該バンパー１の周囲から裏側にまわり込み、該空気取入れ口２のフレーム３の上段区画孔部１４，１５，１６の内面に塗料が侵入し付着してしまうような不具合は、該マスキング材３０の左側分割部分３０Ａの嵌合突部３１，３２，３３の上面高段部４１，４３，４６の凸縁部４１Ａ，４３Ａ，４６Ａおよび右側分割部分３０Ｂの嵌合突部６４の上面高段部７０の凸縁部７０Ａが上記区画孔部１４，１５，１６の奥端上縁を被覆することによって解消され、下段区画孔部１７，１８，１９の内面に塗料が侵入し付着してしまうような不具合は、該マスキング材３０の左側分割部分３０Ａの嵌合突部３４，３５，３６の凸縁部４８，５１，５４および右側分割部分３０Ｂの嵌合突部６７の凸縁部７５が上記区画孔部１７，１８，１９の奥端下縁を被覆することによって解消され、上記フレーム３の孔明き板２０の上段窓孔２１，２２の内面に塗料が侵入して付着してしまうような不具合は、該マスキング材３０の右側分割部分３０Ｂの上段嵌合突部６２，６３の上段凸縁部６８，６９が上記窓孔２１，２２の奥端上縁を被覆することによって解消され、該孔明き板２０の下段区画孔部２４，２５の内面に塗料が侵入し付着してしまうような不具合は、該右側分割部分３０Ｂの下段嵌合突部６５，６６の下縁および右側縁の凸縁部７３，７４が該区画孔部２４，２５の下縁および右側縁を被覆することによって解消される。 After the masking material 30 is attached to the air intake port 2 of the bumper 1, the bumper 1 is coated with a paint. At this time, the paint mist is prevented from entering the inside of the air intake port 2 from the front surface by the masking material 30, and the paint mist flows from the periphery of the bumper 1 to the back side, so that the air intake port 2 The problem that the paint enters and adheres to the inner surfaces of the upper partition holes 14, 15, 16 of the frame 3 is that the upper surface of the fitting protrusions 31, 32, 33 of the left divided portion 30 A of the masking material 30 is high. The convex edge portions 41A, 43A, 46A of the step portions 41, 43, 46 and the convex edge portion 70A of the upper surface high step portion 70 of the fitting projection 64 of the right-side divided portion 30B are located at the back of the partition hole portions 14, 15, 16 The problem that the paint enters and adheres to the inner surfaces of the lower partition holes 17, 18, and 19 is eliminated by covering the upper edge of the end, and the fitting protrusion of the left divided portion 30 </ b> A of the masking material 30. 34, 35 36 convex edge portions 48, 51, 54 and the convex edge portion 75 of the fitting projection 67 of the right-side split portion 30B are eliminated by covering the lower end lower edges of the partition hole portions 17, 18, 19, and The problem that the paint enters and adheres to the inner surfaces of the upper window holes 21 and 22 of the perforated plate 20 of the frame 3 is caused by the upper fitting protrusions 62 and 63 of the right divided portion 30B of the masking material 30. The upper convex edges 68 and 69 are eliminated by covering the upper edges of the window holes 21 and 22, and the paint enters and adheres to the inner surfaces of the lower partition holes 24 and 25 of the perforated plate 20. In such a problem, the lower edge and the right edge convex edges 73 and 74 of the lower fitting protrusions 65 and 66 of the right divided portion 30B cover the lower edge and the right edge of the partition holes 24 and 25. It is solved by.
該マスキング材はロックウェル（ＡＳＴＭ：Ｄ７８５）Ｒ５０〜１３０の硬さを有する熱可塑性樹脂シートの真空成形および／または圧空成形品であることが望ましい。該熱可塑性樹脂シートの厚みを０．２〜０．５ｍｍに設定し、また凸縁部や凸縁部からの係合突起の突出量を１〜３ｍｍに設定すると、該マスキング材は該空気取入れ口に堅固に取付けられ、塗装工程においてスプレー圧等の外力によって位置がずれたり、空気取入れ口からはずれたりする不具合が解消されるが、一方では塗装工程終了後に該マスキング材を手で引っ張って該空気取入れ口から容易に取り外すことが出来る。 The masking material is preferably a vacuum molded and / or compressed air molded product of a thermoplastic resin sheet having a hardness of Rockwell (ASTM: D785) R50-130. When the thickness of the thermoplastic resin sheet is set to 0.2 to 0.5 mm, and the protrusion amount of the engaging protrusion from the convex edge portion or the convex edge portion is set to 1 to 3 mm, the masking material takes the air intake It is firmly attached to the mouth, and the problem that the position shifts due to an external force such as spray pressure in the painting process or the air inlet is removed, but on the other hand, the masking material is pulled by hand after the painting process. It can be easily removed from the air intake.
ロックウェル（ＡＳＴＭ：Ｄ７８５）Ｒ５０〜１３０の硬さを有する熱可塑性樹脂としては、例えばポリプロピレン（Ｒ８０〜１０２）、アクリロニトリル−ブタジエン−スチレン樹脂（Ｒ８５〜１０６）、ポリアミド（Ｒ１１８〜１２２）、ポリエチレンテレフタレート（Ｒ１１１）、ポリメチルペンテン（Ｒ８５）、スチレン変性ポリフェニレンエーテル（Ｒ１１５〜１１６）、ポリフェニレンサルファイド（Ｒ１２３〜１２５）、ポリアリレート（Ｒ１０４〜１２５）、アクリロニトリル−エチレン・プロピレンゴム−スチレン樹脂（Ｒ１０２〜１０９）、アクリロニトリル−アクリルゴム−スチレン樹脂（Ｒ９６〜１０８）、アクリロニトリル−塩素化ポリエチレン−スチレン樹脂（Ｒ１００〜１０７）、ポリアセタール（Ｒ１２０〜１２３）等が例示される。 Examples of the thermoplastic resin having a hardness of Rockwell (ASTM: D785) R50-130 include polypropylene (R80-102), acrylonitrile-butadiene-styrene resin (R85-106), polyamide (R118-122), and polyethylene terephthalate. (R111), polymethylpentene (R85), styrene-modified polyphenylene ether (R115-116), polyphenylene sulfide (R123-125), polyarylate (R104-125), acrylonitrile-ethylene-propylene rubber-styrene resin (R102-109) ), Acrylonitrile-acrylic rubber-styrene resin (R96-108), acrylonitrile-chlorinated polyethylene-styrene resin (R100-107), polyacetal (R120) 123), and the like.
本発明は上記実施例に限定されるものではなく、例えば貫通孔である空気取入れ口には縦桟のみ、あるいは横桟のみが設けられてもよいし、縦桟や横桟の本数は任意に設定されてもよい。 The present invention is not limited to the above-described embodiment. For example, only the vertical beam or only the horizontal beam may be provided in the air intake port that is a through hole, and the number of the vertical beam and the horizontal beam is arbitrary. It may be set.
本発明のマスキング材を使用すれば、スプレー塗装の際、マスキング対象部材の裏側にまわり込んだ塗料ミストが貫通孔の奥端から貫通孔内に侵入し、該貫通孔の内面が塗料によって汚染されると云う不具合が確実に防止され、塗装が綺麗に仕上がる。 When the masking material of the present invention is used, during spray coating, the paint mist that has entered the back side of the member to be masked enters the through hole from the back end of the through hole, and the inner surface of the through hole is contaminated by the paint. This ensures that the problem is prevented and the paint finishes beautifully.
図１〜図１４は本発明の一実施例の説明図である。
１，１０１ マスキング対象部材
２，１１０Ａ，１１０Ｂ 貫通孔
３０，１２０Ａ，１２０Ｂ マスキング材
３１，３２，３３，３４，３５，３６，６２，６３，６４，６５，６６，６７
嵌合突部
４２，４４，４５，４７，４９，５０，５２，５３，５５，５６，５７，５８，５９，７１，７２，７７，７８，７９，８０，８１，８２，８６，８７，８８
係合突起
４０，４１Ａ，４３Ａ，４６Ａ，４８，５１，５４，６８，６９，７３，７４，７５，８３Ａ，８４Ａ 凸縁部
６１，９２ 外周折返し部
1,101 Masking target member 2,110A, 110B Through hole 30,120A, 120B Masking material 31,32,33,34,35,36,62,63,64,65,66,67
Fitting protrusions 42, 44, 45, 47, 49, 50, 52, 53, 55, 56, 57, 58, 59, 71, 72, 77, 78, 79, 80, 81, 82, 86, 87, 88
Engaging protrusions 40, 41A, 43A, 46A, 48, 51, 54, 68, 69, 73, 74, 75, 83A, 84A Convex edges 61, 92
Claims (4)
該嵌合突部には全縁的または部分的に該貫通孔奥端周縁部を被覆する凸縁部が突設されており、
更に該凸縁部の所定個所には一個または複数個の係合突起が形成されていることを特徴とするマスキング材。 A masking material provided with a fitting protrusion that fits into a through-hole present in the masking target member,
The fitting protrusion is provided with a protruding edge portion that covers the peripheral edge of the through-hole deep end partly or partially.
Further, the masking material is characterized in that one or a plurality of engaging projections are formed at predetermined positions of the convex edge portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006346969A JP4879008B2 (en) | 2006-12-25 | 2006-12-25 | Masking material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006346969A JP4879008B2 (en) | 2006-12-25 | 2006-12-25 | Masking material |
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| JP4879008B2 JP4879008B2 (en) | 2012-02-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016087586A (en) * | 2014-11-10 | 2016-05-23 | 名古屋油化株式会社 | Masking material and manufacturing method thereof |
| WO2018221321A1 (en) * | 2017-05-31 | 2018-12-06 | 住友化学株式会社 | Resin composition and method of production thereof, and resin film |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05111670A (en) * | 1991-10-23 | 1993-05-07 | Daikyo Inc | Pretreatment for coating |
| JPH07308613A (en) * | 1994-05-20 | 1995-11-28 | Yamawake Bussan Kk | Masking material |
| JPH09314007A (en) * | 1996-05-29 | 1997-12-09 | Nagoya Yuka Kk | Masking material |
| WO2003084675A1 (en) * | 2002-04-09 | 2003-10-16 | Nagoya Oilchemical Co., Ltd. | Masking material |
| JP2004155023A (en) * | 2002-11-06 | 2004-06-03 | Nagoya Oil Chem Co Ltd | Method for manufacturing masking material |
| JP2005036342A (en) * | 2003-07-18 | 2005-02-10 | Three M Innovative Properties Co | Apparatus and method for forming raw material and nonwoven fabric article thus formed |
-
2006
- 2006-12-25 JP JP2006346969A patent/JP4879008B2/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05111670A (en) * | 1991-10-23 | 1993-05-07 | Daikyo Inc | Pretreatment for coating |
| JPH07308613A (en) * | 1994-05-20 | 1995-11-28 | Yamawake Bussan Kk | Masking material |
| JPH09314007A (en) * | 1996-05-29 | 1997-12-09 | Nagoya Yuka Kk | Masking material |
| WO2003084675A1 (en) * | 2002-04-09 | 2003-10-16 | Nagoya Oilchemical Co., Ltd. | Masking material |
| JP2004155023A (en) * | 2002-11-06 | 2004-06-03 | Nagoya Oil Chem Co Ltd | Method for manufacturing masking material |
| JP2005036342A (en) * | 2003-07-18 | 2005-02-10 | Three M Innovative Properties Co | Apparatus and method for forming raw material and nonwoven fabric article thus formed |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016087586A (en) * | 2014-11-10 | 2016-05-23 | 名古屋油化株式会社 | Masking material and manufacturing method thereof |
| WO2018221321A1 (en) * | 2017-05-31 | 2018-12-06 | 住友化学株式会社 | Resin composition and method of production thereof, and resin film |
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| JP4879008B2 (en) | 2012-02-15 |
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