JPH0693842B2 - Molding method for shoe soles with transparent projection of cushion - Google Patents
Molding method for shoe soles with transparent projection of cushionInfo
- Publication number
- JPH0693842B2 JPH0693842B2 JP3104836A JP10483691A JPH0693842B2 JP H0693842 B2 JPH0693842 B2 JP H0693842B2 JP 3104836 A JP3104836 A JP 3104836A JP 10483691 A JP10483691 A JP 10483691A JP H0693842 B2 JPH0693842 B2 JP H0693842B2
- Authority
- JP
- Japan
- Prior art keywords
- midsole
- compression
- cushion
- holes
- sole
- 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.)
- Expired - Lifetime
Links
- 238000000465 moulding Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 title description 4
- 230000006835 compression Effects 0.000 claims description 29
- 238000007906 compression Methods 0.000 claims description 29
- 239000012778 molding material Substances 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 5
- 229920006026 co-polymeric resin Polymers 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000007872 degassing Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000005062 Polybutadiene Substances 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000005373 porous glass Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Description
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【産業上の利用分野】この発明はクッション突起を透視
自在とした靴底の成形法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for molding a shoe sole in which a cushion projection is transparent.
【０００２】[0002]
【従来の技術】出願人は先に、特願平１−４４４８３号
によって上面に開口した圧縮孔を有する透明な衝撃吸収
層を射出成形した後、衝撃吸収層の上面に着色された発
泡ミッドソ−ルを射出発泡成形するとともに、ミッドソ
−ル成形材の一部を圧縮孔に充填してミッドソ−ルと一
体なクッション突起を発泡成形する靴底の射出成形法を
提案したが、圧縮孔が上面にのみ開口されていたので、
圧縮孔にミッドソ−ル成形材を導入する際、圧縮孔に介
在されたエア−や発泡ガスのようなガスが逃げ場をなく
し、この圧縮孔に封入され、この圧縮孔に完全にミッド
ソ−ル成形材を導入することができず、クッション突起
が部分的に欠け、クッション性並びに接地底とミッドソ
−ルの接着性が低下したり、これを衝撃吸収層の側面よ
り透視する場合、部分的に欠けた突起が透視され外観的
にも見苦しい欠点があった。2. Description of the Related Art The applicant firstly injection-molded a transparent shock absorbing layer having a compression hole opened on the upper surface according to Japanese Patent Application No. 1-44483 and then colored a foamed midsole on the upper surface of the shock absorbing layer. We have proposed an injection molding method for shoe soles, in which the compression hole is filled with a part of the midsole molding material and the cushion projection integrated with the midsole is foam-molded. Since it was opened only in
When the mid-sole molding material is introduced into the compression hole, gas such as air and foaming gas intervening in the compression hole eliminates the escape area, is enclosed in this compression hole, and is completely mid-sole molding in this compression hole. Material cannot be introduced, the cushion protrusion is partially chipped, the cushioning property and the adhesion between the ground contact bottom and the midsole are reduced, and when this is seen through from the side of the shock absorbing layer, it is partially chipped. There was a defect that the projection was transparent and the appearance was unsightly.
【０００３】[0003]
【発明が解決しようとする課題】この発明はクッシヨン
性並びに接地底とミッドソ−ルとの接着性が良好で、外
観良好なクッション突起を透視できる靴底を簡単な方法
で提供しようとするものである。SUMMARY OF THE INVENTION The present invention is intended to provide, by a simple method, a shoe sole which has good cushioning properties and adhesion between a grounding sole and a mid sole, and through which a cushion protrusion having a good appearance can be seen. is there.
【０００４】[0004]
【課題を解決するための手段】以下この発明の実施状態
を示す図面によって説明すれば、この発明は上面１１か
ら下面１２に貫通して圧縮孔１３．１３…を設けた透明
な接地底１を、圧縮孔１３．１３…に対応して底面にガ
ス抜き孔２１．２１…を設けたボトムモ−ルド２に、圧
縮孔１３．１３…とガス抜き孔２１．２１…を対応させ
てセットした後、接地底１の上面に形成されたミッドソ
−ル成形キャビティ０に着色された発泡性のミッドソ−
ル成形材を導入してミッドソ−ル３を発泡成形するとと
もに、圧縮孔１３．１３…中に介在されたガスをガス抜
き孔２１．２１…を通して排出しながら、ミッドソ−ル
成形材の一部を圧縮孔１３．１３…に充填してミッドソ
−ル３と一体なクッション突起３１．３１…を発泡成形
することを特徴とするクッション突起を透視自在とした
靴底の成形法を発明の要旨とするものである。The present invention will be described below with reference to the drawings showing an embodiment of the present invention. In the present invention, a transparent grounding bottom 1 having a compression hole 13.13 ... Penetrating from an upper surface 11 to a lower surface 12 is provided. After setting the compression holes 13.13 ... and the gas vent holes 21.21 ... to the bottom mold 2 having the gas vent holes 21.21 ... provided on the bottom surface corresponding to the compression holes 13.13 ... , A foamed midsole formed in the midsole molding cavity 0 formed on the upper surface of the ground bottom 1
Part of the midsole molding material while introducing the molding material into the midsole 3 and foaming the midsole 3 and discharging the gas interposed in the compression holes 13.13 ... through the gas vent holes 21.21. Is filled in the compression holes 13.13 ... to form a cushion projection 31.31 ... Integral with the midsole 3 by foam molding. To do.
【０００５】この発明において、接地底１は塩化ビニル
樹脂、塩化ビニルとエチレンとの共重合体樹脂、エチレ
ンと酢酸ビニルとの共重合体樹脂、１．２ポリブタジエ
ン樹脂、ポリウレタン樹脂、透明配合ゴム等の透明体で
形成されている。そして接地底１にはその上面１１から
下面１２に貫通して上下方向にほぼ垂直で、その水平断
面が円形、楕円形、多角形等適宜形状に形成された圧縮
孔１３．１３…が設けられている。接地底１の硬度とし
てはＪＩＳＫ６３０１スプリング式硬さ試験Ａ型による
硬度が３０゜〜６０゜に設定されていることが好まし
い。その硬度がそれ以下となれば圧縮孔１３．１３…の
圧縮回復性が低下し、クッション性が悪くなり、またそ
の永久歪が大きくなり、接地底としての耐久性が低下す
るきらいがあり、またその硬度がそれ以上となれば、圧
縮孔１３．１３…の圧縮変形性が低下し、クッション性
が悪くなるきらいがある。In the present invention, the grounding bottom 1 is a vinyl chloride resin, a copolymer resin of vinyl chloride and ethylene, a copolymer resin of ethylene and vinyl acetate, 1.2 polybutadiene resin, polyurethane resin, transparent compounded rubber, etc. It is made of transparent material. Further, the grounding bottom 1 is provided with compression holes 13.13 ... Penetrating from the upper surface 11 to the lower surface 12 thereof and being substantially vertical in the vertical direction, and having a horizontal cross section of an appropriate shape such as a circle, an ellipse or a polygon. ing. As the hardness of the ground contact bottom 1, the hardness according to JIS K6301 spring type hardness test A type is preferably set to 30 ° to 60 °. If the hardness is less than that, the compression recovery property of the compression holes 13.13 ... deteriorates, the cushioning property deteriorates, and the permanent strain increases, so that the durability as a ground contact bottom tends to decrease. If the hardness is higher than that, there is a tendency that the compressive deformability of the compression holes 13.13 ... Is lowered and the cushioning property is deteriorated.
【０００６】この発明に使用されるボトムモ−ルド２の
底面には、接地底１に設けられた圧縮孔１３．１３…に
対応して、ガス抜き孔２１．２１…が設けられている。
ガス抜き孔２１．２１…にポ−ラスな金属またはセラミ
ック焼結体、多孔性ガラスのようなガスのみを通過させ
るような微細孔を有するフィルタ−２１１を充填してお
けば、クッション突起３１．３１…成形時に、クッショ
ン突起成形材（ミッドソ−ル成形材）がガス抜き孔２
１．２１…に侵入して固化してガス抜き効果を低下させ
ることがなく、しかもガス抜き孔２１．２１…に侵入固
化した成形材の除去作業も必要としないので便利であ
る。The bottom surface of the bottom mold 2 used in the present invention is provided with degassing holes 21.21 ... Corresponding to the compression holes 13.13.
If the gas vent holes 21.21 ... Are filled with a filter-211 having fine holes such as porous metal or ceramic sintered body or porous glass that allows only gas to pass therethrough, the cushion protrusions 31. 31 ... During molding, the cushion protrusion molding material (mid-sole molding material) is degassed by hole 2
It is convenient because it does not enter the 1.21 ... and solidifies to reduce the degassing effect and does not require the work of removing the molding material that has entered the gas vent holes 21.21 ... and solidified.
【０００７】この発明において、接地底１は予め別途成
形されたものを、圧縮孔１３．１３…をガス抜き孔２
１．２１…に対応させて、ボトムモ−ルド２の底面にセ
ットしてもよいし、図 に示すように別途準備された圧
縮孔成形突起４１．４１…を設けたダミ−上型４とボト
ムモ−ルド２を使用してガス抜き孔２１．２１…に対応
した圧縮孔１３．１３…を備えた接地底１をボトムモ−
ルド２中に成形保持させて、ダミ−上型４を取り外すこ
とによって接地底１成形と同時にセットしてもよい。In the present invention, the grounding bottom 1 is separately molded in advance, and the compression holes 13.13 ...
It may be set on the bottom surface of the bottom mold 2 corresponding to 1.21 ..., or as shown in the figure, the dummy upper mold 4 and the bottom mold 4 provided with separately prepared compression hole forming projections 41.41. -The grounding bottom 1 having the compression holes 13.13 ... corresponding to the gas vent holes 21.21 ...
Alternatively, it may be set and held in the sleeve 2 and the dummy upper die 4 may be removed to set the ground bottom 1 at the same time.
【０００８】以上のようにして、接地底１をセットした
ボトムモ−ルド２に上型５を直接的に、またはサイドモ
−ルド６．６を介して嵌合させて接地底１の上面にミッ
ドソ−ル成形キャビティ０を形成するものであるが、上
型５として胛被７を吊込んだものを使用すれば、ミッド
ソ−ル３成形時に接地底１とミッドソ−ル３からなる靴
底Ｓをミッドソ−ル３を介して直接的に胛被７に接着成
形できるので靴の組立成形が簡便である。As described above, the upper mold 5 is fitted directly to the bottom mold 2 having the grounding bottom 1 set therein or through the side mold 6.6 to form a midsole on the upper surface of the grounding bottom 1. Although the mold forming cavity 0 is formed, if the upper mold 5 in which the cover 7 is hung is used, the shoe sole S including the grounding sole 1 and the mid sole 3 is formed at the mid sole 3 when the mid sole 3 is formed. -Since it is possible to directly bond and form the covering 7 through the rule 3, the assembling and forming of the shoe is simple.
【０００９】以上のように形成されたミッドソ−ル成形
キャビティ０に塩化ビニル、塩化ビニルとエチレンとの
共重合体樹脂、塩化ビニルと酢酸ビニルとの共重合体樹
脂、１．２ポリブタジエン、天然ゴム又は合成ゴム等に
着色剤と発泡剤を添加したものまたは着色剤を添加した
発泡性のポリウレタン等の着色された発泡性のミッドソ
−ル成形材を射出導入するとともに、その一部を接地底
の上面１１から圧縮孔１３．１３…に導入すれば、圧縮
孔１３．１３…に介在されたエア−並びにミッドソ−ル
発泡時の余剰ガスはボトムモ−ルド２の底面に形成され
たガス抜き孔２１．２１…を通して外気に排出されるた
め、圧縮孔１３．１３…に完全にミッドソ−ル成形材を
導入して、発泡ミッドソ−ルと一体な発泡されたクッシ
ョン突起３１．３１…を圧縮孔１３．１３…に充填成形
できる。In the midsole molding cavity 0 formed as described above, vinyl chloride, copolymer resin of vinyl chloride and ethylene, copolymer resin of vinyl chloride and vinyl acetate, 1.2 polybutadiene, natural rubber Alternatively, a colored foamable midsole molding material such as synthetic rubber with a colorant and a foaming agent added or a colorant-containing foamable polyurethane with a colorant added is injected and part of it is grounded. When introduced into the compression holes 13.13 from the top surface 11, the air intervening in the compression holes 13.13 ... and the surplus gas at the time of foaming the midsole are vent holes 21 formed in the bottom surface of the bottom mold 2. .21 ... is discharged to the outside air, so that the midsole molding material is completely introduced into the compression holes 13.13 ..., and the foamed cushion projection 31.3 integrated with the foaming midsole is formed. ... it can be filled molded in compression hole 13.13 ....
【００１０】この発明によって成形されるミッドソ−ル
３並びにクッション突起３１．３１…のスポンジ硬度
（ＳＲＩＳ０１０１…日本ゴム協会標準規格の膨張ゴム
の試験法による硬度）は、そのクッション性と耐久性と
いう観点からして３０゜〜６０゜に設定されていること
が好ましい。またこの発明において、ミッドソ−ル３並
びにクッション突起３１．３１…を蛍光顔料または蛍光
染料で着色しておけば、接地底１の側面よりクッション
突起３１．３１…をより鮮明に透視でき、色彩感を一層
アップすることが可能である。The sponge hardness of the mid sole 3 and the cushion projections 31.31 molded according to the present invention (the hardness of the SRIS0101 ... Expanded rubber according to the standard specifications of the Japan Rubber Association according to the test method) is in terms of its cushioning property and durability. Therefore, it is preferable that the angle is set to 30 ° to 60 °. Further, in the present invention, if the midsoles 3 and the cushion protrusions 31.31 are colored with a fluorescent pigment or a fluorescent dye, the cushion protrusions 31.31 can be seen more clearly from the side surface of the ground contact bottom 1 and the color feeling can be improved. Can be further improved.
【００１１】[0011]
【発明の効果】この発明は以上のように構成されている
ので、ミッドソ−ル３成形時に透明な接地底１に設けら
れた圧縮孔１３．１３…の形状に沿ってミッドソ−ル３
と一体なクッション突起３１．３１…を完全な形状に嵌
合成形できる。従ってクッション性並びに発泡ミッドソ
−ル３と接地底との接着性が良好で、しかも接地底１の
側面より完全な形状をしたクッション突起３１．３１…
を鮮明に透視できる外観良好な靴底を簡単な方法によっ
て提供できる。Since the present invention is constructed as described above, the midsole 3 is formed along the shape of the compression holes 13.13 provided in the transparent grounding bottom 1 when the midsole 3 is molded.
It is possible to form the cushion protrusions 31.31 ... Therefore, the cushioning protrusion 31.31 has a good cushioning property and an adhesive property between the foam midsole 3 and the ground contact bottom, and has a complete shape from the side surface of the ground contact bottom 1.
It is possible to provide, by a simple method, a shoe sole that has a good appearance and allows a clear see-through.
【図１】接地底の成形状態を示す要部断面図である。FIG. 1 is a sectional view of an essential part showing a molded state of a grounding bottom.
【図２】ミッドソ−ルの成形状態を示す要部断面図であ
る。FIG. 2 is a sectional view of an essential part showing a molded state of a midsole.
１．接地底 １１…上面 １２…下面 １３…圧縮孔 ２．ボトムモ−ルド ２１…ガス抜き孔 ２１１…フィルタ− ３．ミッドソ−ル ３１…クッション突起 ４．ダミ−上型 ４１．圧縮孔成形突起 ５．上型 ６．サイドモ−ルド ７．胛被 ０．ミッドソ−ル成形キャビテイ Ｓ．靴底 1. Grounding bottom 11 ... Upper surface 12 ... Lower surface 13 ... Compression hole 2. Bottom mold 21 ... Degassing hole 211 ... Filter-3. Midsole 31 ... Cushion protrusion 4. Dummy-upper mold 41. Compressed hole forming protrusion 5. Upper mold 6. Side mold 7.茛 cover 0. Midsole Molding Cavity S.M. Shoe sole
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｂ２９Ｃ 45/16 8823−4Ｆ 45/34 7158−4Ｆ // Ｂ２９Ｋ 105:04 Ｂ２９Ｌ 9:00 31:50 4Ｆ ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 5 Identification number Office reference number FI technical display location B29C 45/16 8823-4F 45/34 7158-4F // B29K 105: 04 B29L 9:00 31: 50 4F
Claims (1)
１３．１３…を設けた透明な接地底１を、圧縮孔１３．
１３…に対応して底面にガス抜き孔２１．２１…を設け
たボトムモ−ルド２に、圧縮孔１３．１３…とガス抜き
孔２１．２１…を対応させてセットした後、接地底１の
上面に形成されたミッドソ−ル成形キャビティ０に着色
された発泡性のミッドソ−ル成形材を導入してミッドソ
−ル３を発泡成形するとともに、圧縮孔１３．１３…中
に介在されたガスをガス抜き孔２１．２１…を通して排
出しながら、ミッドソ−ル成形材の一部を圧縮孔１３．
１３…に充填してミッドソ−ル３と一体なクッション突
起３１．３１…を発泡成形することを特徴とするクッシ
ョン突起を透視自在とした靴底の成形法。1. A transparent grounding bottom 1 having a compression hole 13.13 ... Penetrating from the upper surface 11 to the lower surface 12 is provided with a compression hole 13.
13 are set in the bottom mold 2 having the gas vent holes 21.21 ... on the bottom surface in correspondence with the compression holes 13.13 ... and the gas vent holes 21.21. A colored foamable mid-sole molding material is introduced into the mid-sole molding cavity 0 formed on the upper surface to foam-mold the mid-sole 3, and the gas interposed in the compression holes 13.13. While discharging through the gas vent holes 21.21 ..., a part of the midsole molding material is compressed 13.
13 is filled with 13 to form a cushion protrusion 31.31 which is integral with the midsole 3 and is foam-molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3104836A JPH0693842B2 (en) | 1991-04-09 | 1991-04-09 | Molding method for shoe soles with transparent projection of cushion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3104836A JPH0693842B2 (en) | 1991-04-09 | 1991-04-09 | Molding method for shoe soles with transparent projection of cushion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04312401A JPH04312401A (en) | 1992-11-04 |
| JPH0693842B2 true JPH0693842B2 (en) | 1994-11-24 |
Family
ID=14391448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3104836A Expired - Lifetime JPH0693842B2 (en) | 1991-04-09 | 1991-04-09 | Molding method for shoe soles with transparent projection of cushion |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0693842B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105962529A (en) * | 2015-03-10 | 2016-09-28 | 阿迪达斯股份公司 | Sole for sports shoes and manufacture of sole and shoes |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06335402A (en) * | 1993-05-27 | 1994-12-06 | Asahi Corp | Method for molding shoe with polyurethane foam sole |
| DE4436495A1 (en) * | 1994-10-12 | 1996-04-18 | Gore W L & Ass Gmbh | Process for waterproofing shoes in the sole area |
| JP5610281B2 (en) | 2009-10-29 | 2014-10-22 | 株式会社リコー | Belt device and image forming apparatus |
| US9498927B2 (en) * | 2013-03-15 | 2016-11-22 | Nike, Inc. | Decorative foam and method |
-
1991
- 1991-04-09 JP JP3104836A patent/JPH0693842B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105962529A (en) * | 2015-03-10 | 2016-09-28 | 阿迪达斯股份公司 | Sole for sports shoes and manufacture of sole and shoes |
| CN105962529B (en) * | 2015-03-10 | 2018-03-20 | 阿迪达斯股份公司 | Sole and their manufacture for sport footwear |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04312401A (en) | 1992-11-04 |
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