JPH03193001A - Manufacture of injection molding shoe - Google Patents
Manufacture of injection molding shoeInfo
- Publication number
- JPH03193001A JPH03193001A JP1331239A JP33123989A JPH03193001A JP H03193001 A JPH03193001 A JP H03193001A JP 1331239 A JP1331239 A JP 1331239A JP 33123989 A JP33123989 A JP 33123989A JP H03193001 A JPH03193001 A JP H03193001A
- Authority
- JP
- Japan
- Prior art keywords
- shoe
- sole
- peripheral edge
- mold
- side mold
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000001746 injection moulding Methods 0.000 title abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims abstract description 23
- 238000000465 moulding Methods 0.000 claims abstract description 11
- 239000012778 molding material Substances 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- 238000004049 embossing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000002649 leather substitute Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Landscapes
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、比較的肉厚の胛被を有する射出成形靴であっ
ても型変更しない従来のサイドモールドを使用して製造
できる射出成形靴の製造方法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention provides an injection molded shoe that can be manufactured using a conventional side mold that does not change the mold even if the shoe has a relatively thick heel. Relating to a manufacturing method.
従来における射出成形靴の製造方法は、一般的に胛被を
吊り込んだ本体ラストと、サイドモールドと、ボトムモ
ールドとを、内部に靴底成形用空隙を形成して嵌合させ
、そののちこの靴底成形用空隙内に靴底成形材料を注入
して胛被の下部と一体化した靴底を射出成形させること
でなされている。The conventional manufacturing method for injection molded shoes generally involves fitting a main body last with a shoe cover suspended therein, a side mold, and a bottom mold by forming a cavity for forming the sole inside, and then This is done by injecting a sole molding material into the cavity for forming the sole and injection molding the sole that is integrated with the lower part of the shoelace.
なお、この本体ラストは、胛被の下部周縁部が本体ラス
トとサイドモールドとに挟持されるようにこのサイドモ
ールドに嵌合されている。The main body last is fitted to the side mold so that the lower peripheral edge of the cover is sandwiched between the main body last and the side mold.
また、この胛被の下部周縁部を挟持するための本体ラス
トとサイドモールドとの隙間の長さは、サイドモールド
の内側面の上部に形成された本体５．、ト側、突出する
嵌合突起部の突出幅により決定される。Also, the length of the gap between the main body last and the side mold for holding the lower peripheral edge of the cover is determined by the main body 5. , the side is determined by the protrusion width of the protruding fitting protrusion.
ところで、このように胛被の下部周縁部を挟持スルタめ
の本体ラストとサイドモールドとの隙間ば、サイドモー
ルドの内側面の上部に形成された本体ラスト側へ突出す
る嵌合突起部の突出幅により決定されるため、例えば比
較的肉厚の胛被を使用する場合には、この嵌合突起部の
突出幅が短かめに形成された別個のサイドモールドを使
用しなければならなかった。By the way, in the gap between the main body last and the side mold for holding the lower peripheral edge of the cover, the protruding width of the fitting protrusion formed on the upper part of the inner surface of the side mold and protruding toward the main body last side. Therefore, when using a relatively thick cover, for example, it is necessary to use a separate side mold in which the protruding width of the fitting protrusion is formed to be shorter.
本発明は、このような従来技術を背景になされたもので
、比較的肉厚の胛被を有する射出成形靴であっても型変
更しない従来のサイドモールドを使用して製造できる射
出成形靴の製造方法を提供することを目的とする。The present invention was made against the background of such conventional technology, and provides an injection molded shoe that can be manufactured using a conventional side mold that does not change the mold even if the shoe has a relatively thick heel. The purpose is to provide a manufacturing method.
（課題を解決しようとする手段］
本発明は、胛被の少なくとも下部周縁部をプレス加工に
より所定厚まで肉薄化させ、そののちこの胛被を吊り込
んだ本体ラストと、サイドモールドと、ボトムモールド
とを、内部に靴底成形用空隙を形成して嵌合させ、ごの
とき本体ラストに吊り込まれ、かつ厚み調整された胛被
の下部周縁部がサイドモールドの内側面に周設された嵌
合突起部に圧接され、次にまたこの靴底成形用空隙内に
靴底成形材料を注入して胛被の下部と一体化した靴底を
射出成形させる乙とを特徴とする射出成形靴の製造方法
を提供するものである。(Means for Solving the Problems) The present invention involves thinning at least the lower peripheral edge of the sash to a predetermined thickness by press working, and then forming a main body last, a side mold, and a bottom mold in which the sash is suspended. A gap for sole molding is formed inside the shoes and the shoes are fitted together, and the lower peripheral edge of the shoe cover, which is suspended from the main body last and whose thickness is adjusted, is placed around the inner surface of the side mold. An injection-molded shoe characterized by being pressed against the fitting protrusion, and then injecting a sole molding material into the sole molding cavity to injection mold a sole that is integrated with the lower part of the shoe. The present invention provides a method for manufacturing.
〔作用］
本発明の射出成形靴の製造方法は、まず胛被の少なくと
も下部周縁部をプレス加工により所定）ゾまで肉薄化さ
せる。[Function] In the method of manufacturing injection molded shoes of the present invention, first, at least the lower peripheral edge of the shoe is thinned to a predetermined thickness by press working.
このようにすることで、比較的肉厚の胛被を有する射出
成形靴であっても型変更し７ない従来のサイドモールド
を使用して製造できる。In this way, even injection molded shoes with relatively thick laces can be manufactured using conventional side molds that do not require any mold changes.
そののち、この胛被を吊り込んだ本体ラストと、サイド
モールドと、ボトムモールドとを、内部に靴底成形用空
隙を形成して嵌合させる。Thereafter, the main body last, into which the shoelace is hung, the side mold, and the bottom mold are fitted with each other with a cavity formed inside for forming the sole.
このとき、本体ラストに吊り込まれ、かつ厚み調整され
た胛被の下部周縁部がサイドモールドの内側面に周設さ
れた嵌合突起部に圧接される。At this time, the lower peripheral edge of the cover, which is suspended from the main body last and whose thickness has been adjusted, is pressed into contact with the fitting protrusion provided around the inner surface of the side mold.
次にまた、この靴底成形用空隙内に靴底成形材料を注入
して胛被の下部と一体化した靴底をη旧１１成形させる
ことで射出成形靴を製造させる。Next, a sole molding material is injected into this cavity for sole molding, and the sole integrated with the lower part of the shoe is molded to produce an injection molded shoe.
以下、本発明の実施例を図面に基づいて具体的に説明す
る。Embodiments of the present invention will be specifically described below based on the drawings.
なお、この実施例を述べるにあたって、射出成形により
製造されるスポーツ靴を例にとる。In describing this embodiment, sports shoes manufactured by injection molding will be taken as an example.
本発明の実施例の射出成形靴の製造方法は、第１図〜第
３図に示すようにまず胛被１０の少なくとも下部周縁部
１１をプレス加工により所定厚まで肉薄化させる。In the method for manufacturing injection molded shoes according to the embodiment of the present invention, as shown in FIGS. 1 to 3, first, at least the lower peripheral edge 11 of the shoelace 10 is thinned to a predetermined thickness by press working.
前記胛被１０は、射出成形靴の紐玉部構成体で、その素
材としてこの実施例では例えば織布、不織布、編布など
の布帛からなる基材層１０１と、発泡塩化ビニル樹脂か
らなる中間層と、ポリウレタン樹脂からなる表面層１０
３とを順次積層したビニルレザーが使用されているが、
必ずしもこれに限定させる必要はなく、例えば天然皮革
、人工皮革、合成皮革、ポリ塩化ビニルレザー、各種合
成樹脂シートおよびポリウレタンフォームラミネートシ
ートなども使用できる。なお、この胛被１０の下部周縁
部１１とは、第４図および第５図に示す少なくとも金型
嵌合時にサイドモールド２０の内側面２０ａに周設され
た嵌合突起部２１に突設される部分を含むものである。The lace cover 10 is a lace ball component of an injection molded shoe, and in this embodiment, it has a base material layer 101 made of a fabric such as woven fabric, non-woven fabric, or knitted fabric, and an intermediate layer made of foamed polyvinyl chloride resin. layer, and a surface layer 10 made of polyurethane resin.
Vinyl leather is used, which is made by sequentially laminating layers 3 and 3.
It is not necessarily limited to these, and for example, natural leather, artificial leather, synthetic leather, polyvinyl chloride leather, various synthetic resin sheets, polyurethane foam laminate sheets, etc. can also be used. Note that the lower peripheral edge 11 of this cover 10 is a portion that protrudes from a fitting protrusion 21 provided around the inner surface 20a of the side mold 20 at least when the mold is fitted, as shown in FIGS. 4 and 5. This includes the parts that
また、この実施例における胛被１０の下部周縁部１１の
プレス加工は、胛被１０の裁断加工と同時に、かつ胛被
１０の表面１０ａへの意匠つけであるエンボス加工に付
随して施されているが、必ずしもこれに限定させる必要
はなく、例えばこの裁断加工と同時に行われるエンボス
加工と時間を異ならせて施すこともできる。In addition, the press working of the lower peripheral edge 11 of the sleeve 10 in this embodiment is carried out at the same time as the cutting of the sleeve 10 and in conjunction with embossing, which is the design on the surface 10a of the sleeve 10. However, it is not necessarily limited to this, and for example, the cutting process can be performed at a different time from the embossing process that is performed simultaneously.
さらに、この実施例におけるプレス加工の手段としては
第１図に示す高周波加工機Ｈを使用した高周波加工法が
採用されているが、必ずしもこれに限定させる必要はな
く、例えば通常の加熱・加圧加工、超音波加圧加工など
のそのほかの加工手段も採用できる。Furthermore, although the high-frequency processing method using the high-frequency processing machine H shown in FIG. Other processing methods such as machining and ultrasonic pressure processing can also be employed.
さらにまた、この実施例に使用される胛被１０の厚みは
約２．５ｍｍであり、またプレス加工後の厚みは胛被１
０として汎用されている約２ｍｍであるが、必ずしもこ
れに限定させる必要はない。Furthermore, the thickness of the sleeve 10 used in this embodiment is approximately 2.5 mm, and the thickness after press working is approximately 2.5 mm.
The diameter is approximately 2 mm, which is commonly used as 0, but it is not necessarily limited to this.
さらにまた、このプレス加工が施される胛被１０の範囲
は、前述したように少なくともこの下部周縁部１１を含
んでいればよく、第３図に示すようにそのほかの箇所に
も凹凸模様のエンボス加工を施してもよい。Furthermore, the range of the cover 10 to be subjected to this press working only needs to include at least the lower peripheral edge 11 as described above, and other parts are also embossed with a concave-convex pattern, as shown in FIG. It may be processed.
なお、この実施例における下部周縁部１１は、靴成形時
のサイドモールド２０の嵌合突起部２１の位置の設定に
微調整を不要とするため、この下部周縁部１１の元部側
が徐々に肉薄から肉厚となるようにプレス加工されてい
るが、必ずしもこれに限定させる必要はなく、例えばこ
の下部周縁部１１を一気に肉薄になしてもよい。Note that the lower peripheral edge 11 in this embodiment is gradually thinner at the base side of the lower peripheral edge 11 in order to eliminate the need for fine adjustment in setting the position of the fitting protrusion 21 of the side mold 20 during shoe molding. Although the lower peripheral edge 11 is pressed to have a thicker wall, it is not necessarily limited to this, and for example, the lower peripheral edge 11 may be made thinner all at once.
このようにすることで、比較的肉厚の胛被１０を有する
射出成形靴であっても型変更しない従来のサイドモール
ド２０を使用して製造できる。By doing so, even injection molded shoes having a relatively thick hem 10 can be manufactured using the conventional side mold 20 that does not require any mold changes.
そののち、第４図および第５図に示ずようにこの胛被１
０を吊り込んだ本体ラスト３０と、サイドモールド２０
と、ボトムモールド４０とを、内部に靴底成形用空隙５
０を形成して嵌合させる。After that, as shown in Figures 4 and 5,
Main body last 30 with 0 suspended and side mold 20
and a bottom mold 40 with a sole molding cavity 5 inside.
0 and fit them together.
このとき、本体ラスト３０に吊り込まれ、かつ厚み調整
された胛被１０の下部周縁部１１がサイドモールド３０
の内側面２０ａに周設された嵌合突起部２１に圧接され
る。At this time, the lower peripheral edge 11 of the cover 10, which is suspended from the main body last 30 and whose thickness has been adjusted, is attached to the side mold 30.
It is pressed into contact with a fitting protrusion 21 provided around the inner surface 20a of the holder.
次にまた、この靴底成形用空隙５０内に靴底成形材料Ｚ
を注入して胛被１０の下部と一体化した図示しない靴底
を射出成形させることで射出成形靴を製造させる。Next, the sole molding material Z is also placed in this sole molding cavity 50.
Injection-molded shoes are manufactured by injecting and injection-molding a sole (not shown) that is integrated with the lower part of the shoe cover 10.
なお、この靴底成形材料Ｚとしては、−船便用されてい
る熱可塑性樹脂、例えばポリ塩化ビニル、ポリ塩化ビニ
ル共重合体、ポリウレタン、ポリアミド、ポリオレフィ
ン、ポリオレフィン共重合体、エチレンビニルアセテー
ト、ポリエステルなどの合成樹脂が使用でき、必要によ
り発泡させたり、未発泡でも使用できる。さらに、目的
に応じて充填剤、可塑剤、安定剤、酸化防止剤、紫外線
吸収剤、顔料、染料などの添加剤を使用できる。The shoe sole molding material Z includes thermoplastic resins used for shipping, such as polyvinyl chloride, polyvinyl chloride copolymer, polyurethane, polyamide, polyolefin, polyolefin copolymer, ethylene vinyl acetate, polyester, etc. Synthetic resins can be used, and if necessary, they can be foamed or unfoamed. Furthermore, additives such as fillers, plasticizers, stabilizers, antioxidants, ultraviolet absorbers, pigments, and dyes can be used depending on the purpose.
また、ポリオールとポリイソシアネートを反応、発泡、
硬化させるポリウレタン樹脂も使用できる。In addition, polyol and polyisocyanate are reacted, foamed,
Cured polyurethane resins can also be used.
以上説明したように、本発明の射出成形靴の製造方法は
、胛被１０の少なくとも下部周縁部１１をプレス加工に
より所定厚まで肉薄化させることで、比較的肉厚の胛被
１０を有する射出成形靴であっても型変更しない従来の
サイドモールド２０を使用して製造できる。As explained above, the injection molded shoe manufacturing method of the present invention is capable of forming an injection molded shoe having a relatively thick hem 10 by thinning at least the lower peripheral edge 11 of the hem 10 to a predetermined thickness by press working. Even a molded shoe can be manufactured using a conventional side mold 20 that does not change its shape.
以上、本発明の詳細な説明したが、本発明はこの実施例
に限定されるものではなく、要旨を逸脱しない範囲での
構成および作用の変更があっても本発明に含まれる。Although the present invention has been described in detail above, the present invention is not limited to this embodiment, and even if the structure and operation are changed without departing from the spirit of the invention, the invention is included in the present invention.
例えば、この実施例では、射出成形により製造されるス
ポーツ靴を例にとったが、射出成形される例えば紳士靴
、婦人靴、子供靴などのそのほかの靴であっても本発明
に含まれる。For example, in this embodiment, sports shoes manufactured by injection molding are taken as an example, but other injection molded shoes such as men's shoes, women's shoes, children's shoes, etc. are also included in the present invention.
〔発明の効果〕
本発明は、胛被の少なくとも下部周縁部をプレス加工に
より所定厚まで肉薄化させることで、比較的肉厚の胛被
を有する射出成形靴であっても・型変更しない従来のサ
イドモールドを使用して製造できるという効果が得られ
る。[Effects of the Invention] The present invention can reduce the thickness of at least the lower periphery of the hem to a predetermined thickness by press working, so that even if the shoe is injection molded and has a relatively thick hem, it will not change the shape of the conventional shoe. This has the advantage that it can be manufactured using a side mold.
第１図は、本発明の実施例の射出成形靴の製造方法にお
ける胛被の裁断およびプレス加工工程を示す断面図、第
２図は本発明の実施例の製造方法における胛被の裁断お
よびプレス加工工程後の胛被の下部周縁部を示す拡大断
面図、第３図は本発明の実施例の射出成形靴の製造方法
に使用される胛被の拡大平面図、第４図は本発明の実施
例の製造方法における靴底成形工程を示す断面図、第５
図はこの靴底成形工程における要部拡大断面図である。
Ｚ；靴底成形材料
１０；胛被
１１；下部周縁部
２０；サイドモールド
２０ａ；内側面
２１；嵌合突起部
３０；本体ラスト
４０・ボトムモールド
５０；靴底成形用空隙
６０；靴底FIG. 1 is a sectional view showing the cutting and pressing steps of the shoe cover in the manufacturing method of injection molded shoes according to the embodiment of the present invention, and FIG. FIG. 3 is an enlarged sectional view showing the lower periphery of the shoe cover after the processing step, FIG. 3 is an enlarged plan view of the shoe cover used in the injection molded shoe manufacturing method according to the embodiment of the present invention, and FIG. Cross-sectional view showing the sole forming step in the manufacturing method of the example, No. 5
The figure is an enlarged cross-sectional view of essential parts in this sole forming process. Z; Sole molding material 10; Lace 11; Lower peripheral portion 20; Side mold 20a; Inner surface 21; Fitting protrusion 30; Body last 40/bottom mold 50; Sole molding gap 60; Sole
Claims (1)
所定厚まで肉薄化させ、そののちこの胛被を吊り込んだ
本体ラストと、サイドモールドと、ボトムモールドとを
、内部に靴底成形用空隙を形成して嵌合させ、このとき
本体ラストに吊り込まれ、かつ厚み調整された胛被の下
部周縁部がサイドモールドの内側面に周設された嵌合突
起部に圧接され、次にまたこの靴底成形用空隙内に靴底
成形材料を注入して胛被の下部と一体化した靴底を射出
成形させることを特徴とする射出成形靴の製造方法。(1) At least the lower peripheral edge of the shoe cover is thinned to a predetermined thickness by press working, and then the main body last with the shoe cover hung therein, the side mold, and the bottom mold are placed inside to form a sole molding space. are formed and fitted together, and at this time, the lower peripheral edge of the cover, which is suspended from the main body last and whose thickness has been adjusted, is pressed into contact with the fitting protrusion provided around the inner surface of the side mold, and then again. A method for manufacturing injection molded shoes, which comprises injecting a sole molding material into the sole molding cavity to injection mold a sole that is integrated with the lower part of the shoe shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1331239A JPH0651001B2 (en) | 1989-12-22 | 1989-12-22 | Injection molding shoe manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1331239A JPH0651001B2 (en) | 1989-12-22 | 1989-12-22 | Injection molding shoe manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03193001A true JPH03193001A (en) | 1991-08-22 |
| JPH0651001B2 JPH0651001B2 (en) | 1994-07-06 |
Family
ID=18241453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1331239A Expired - Lifetime JPH0651001B2 (en) | 1989-12-22 | 1989-12-22 | Injection molding shoe manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0651001B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010534535A (en) * | 2007-07-30 | 2010-11-11 | プーマ アクチエンゲゼルシャフト ルードルフ ダスレル シュポルト | Method for manufacturing a shoe upper |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5231781A (en) * | 1975-09-05 | 1977-03-10 | Hitachi Ltd | Alarm circuit |
-
1989
- 1989-12-22 JP JP1331239A patent/JPH0651001B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5231781A (en) * | 1975-09-05 | 1977-03-10 | Hitachi Ltd | Alarm circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010534535A (en) * | 2007-07-30 | 2010-11-11 | プーマ アクチエンゲゼルシャフト ルードルフ ダスレル シュポルト | Method for manufacturing a shoe upper |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0651001B2 (en) | 1994-07-06 |
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