JPH0513642B2 - - Google Patents
Info
- Publication number
- JPH0513642B2 JPH0513642B2 JP1129922A JP12992289A JPH0513642B2 JP H0513642 B2 JPH0513642 B2 JP H0513642B2 JP 1129922 A JP1129922 A JP 1129922A JP 12992289 A JP12992289 A JP 12992289A JP H0513642 B2 JPH0513642 B2 JP H0513642B2
- Authority
- JP
- Japan
- Prior art keywords
- sole
- cover
- shoe
- rubber tape
- rubber
- 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 claims description 17
- 239000012778 molding material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000002788 crimping Methods 0.000 claims 1
- 238000004073 vulcanization Methods 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Description
【発明の詳細な説明】 （産業上の利用分野） この発明は、靴の成形法に関するものである。[Detailed description of the invention] (Industrial application field) This invention relates to a method of molding shoes.
（従来の技術）
従来、ゴム靴底を射出成形によつて胛被に直接
的に加硫成形する靴の成形方法が提案されている
が、ゴムは塩化ビニル等の熱可塑性合成樹脂と比
較し、射出成形時における粘弾性が大であるため
に、射出成形には高圧が必要とされ、このため靴
底射出成形時にサイドモールドのリツプ部と胛被
との間隙より、バリがはみ出し、これがリツプ部
の上辺において胛被にすり込み付着されるため、
靴成形後バリを除去することが困難であつた。(Prior Art) Conventionally, a shoe molding method has been proposed in which a rubber sole is directly vulcanized onto a shoe shoe by injection molding, but rubber is less durable than thermoplastic synthetic resins such as vinyl chloride. Due to the high viscoelasticity during injection molding, high pressure is required for injection molding.As a result, burrs protrude from the gap between the lip part of the side mold and the shoe sole during injection molding of the sole. Because it is rubbed into the cover on the upper side of the part,
It was difficult to remove burrs after shoe molding.
このため靴底成形に先立つて、サイドモールド
のリツプ部を胛被に強く圧接させることによつ
て、リツプ部と胛被との間に間隙が形成されない
ような試みもなされているが、リツプ部によつて
胛被が喰い切られる欠点があつた。また、このよ
うな方式において、サイドモールドのリツプ部を
胛被に強く圧接させるには、サイドモールドを閉
じた場合、リツプ部と胛被間に間隙が形成される
ことがないように、同一パターンの胛被の場合で
も、胛被の肉厚に応じて多種類のサイドモールド
を準備しなければならず、モールド費用が嵩みコ
スト高になる欠点があつた。 For this reason, an attempt has been made to prevent the formation of a gap between the lip part and the shoe cover by pressing the lip part of the side mold firmly against the shoe cover before forming the sole. It had the disadvantage that the cover was eaten away by the attack. In addition, in such a method, in order to force the lip part of the side mold into strong pressure contact with the sleeve cover, it is necessary to use the same pattern so that there is no gap between the lip part and the sleeve cover when the side mold is closed. Even in the case of this type of cover, many types of side molds must be prepared depending on the thickness of the cover, which has the disadvantage of increasing molding costs.
（発明の解決しようとする問題点）
この発明は、簡単な方法によつてリツプ部と胛
被との間の間隙をシールすることによつて、バリ
が発生することがなく、しかも経済的にゴム靴底
を有する靴を提供しようとするものである。(Problems to be Solved by the Invention) The present invention seals the gap between the lip portion and the cover using a simple method, thereby eliminating the occurrence of burrs and achieving an economical effect. It is an object of the present invention to provide a shoe having a rubber sole.
（問題点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つて説
明すれば、この発明はラスト７に吊込まれた胛被
１の下周辺１１に未加硫のゴムテープ２を貼着
し、これを半加硫した後このゴムテープ２の側面
にサイドモールド５，５のリツプ部５１，５１を
圧接喰い込ませて胛被１の下部に、サイドモール
ド５，５とボトムモールド６とによつて靴底成形
キヤビテイ０を形成し、この靴底成形キヤビテイ
０に未加硫ゴムからなる靴底成形材３′を射出導
入して、これを加硫加圧して胛被１の下部にゴム
製の靴底３を加硫成形するとともにゴムテープ２
の下辺部を胛被１に圧着することを特徴とする靴
の成形法を発明の要旨とするものである。(Means for Solving the Problems) The present invention will be explained below with reference to drawings showing the state of implementation of the present invention. After semi-vulcanizing this, the lip parts 51, 51 of the side molds 5, 5 are press-fitted into the sides of the rubber tape 2, and the side molds 5, 5 and the bottom mold are attached to the lower part of the cover 1. 6 to form a sole molding cavity 0, a sole molding material 3' made of unvulcanized rubber is injected into the sole molding cavity 0, and it is vulcanized and pressurized to form the lower part of the shoe cover 1. A rubber sole 3 is vulcanized and molded, and a rubber tape 2 is attached.
The gist of the invention is a shoe molding method characterized in that the lower side of the shoe is crimped onto the shoelace 1.
この発明において、ゴムテープ２と靴底成形材
３′とは配合的には別配合でもよいが、同一配合
にしておけば靴底３射出成形時に、ゴムテープ２
と靴底３とを相互に加硫一体化できるので便利で
ある。 In this invention, the rubber tape 2 and the sole molding material 3' may be mixed separately, but if they are the same, the rubber tape 2 and the sole molding material 3' may be mixed together.
This is convenient because the sole 3 and the sole 3 can be vulcanized and integrated with each other.
この発明において、ゴムテープ２の厚みは、サ
イドモールド５，５を閉じた時、サイドモールド
のリツプ部５１，５１と胛被１との間に形成され
る間隙の幅に応じて、それよりも厚肉に形成され
ている。 In this invention, the thickness of the rubber tape 2 is determined depending on the width of the gap formed between the lip portions 51, 51 of the side molds and the cover 1 when the side molds 5, 5 are closed. formed into flesh.
この発明において、サイドモールドのリツプ部
５１，５１の下方部において胛被１に貼着される
ゴムテープ２の下辺部２１を、その上辺部２２よ
りも薄肉に形成しておけば、下辺部２１を引き延
ばしながら彎曲した胛被１の下周辺１１に貼着で
き、しかも胛被１の下周辺１１に貼着でき、しか
も胛被の下周辺１１に隣接して形成されるテープ
成形空隙０′がゴムテープを狭めることがなく、
テープ成形空隙０′によつて靴底射出成形時にお
ける靴底成形材の流路を充分に確保でき、このよ
うにして成形された靴底３は、テープ欠けや接地
面の意匠欠けを回避できる。 In this invention, if the lower side part 21 of the rubber tape 2 attached to the cover 1 at the lower part of the lip parts 51, 51 of the side mold is formed to be thinner than the upper side part 22, the lower side part 21 can be made thinner than the upper side part 22. The rubber tape can be attached to the lower periphery 11 of the tape cover 1 that is curved while being stretched, and can be attached to the lower periphery 11 of the cover 1, and the tape forming gap 0' formed adjacent to the lower periphery 11 of the cover 1 is a rubber tape. without narrowing the
The tape molding gap 0' allows a sufficient flow path for the sole molding material during sole injection molding, and the sole 3 molded in this way can avoid tape chipping and design chipping on the contact surface. .
この発明において、ゴムテープ２を胛被１の下
周辺１１に貼着するに当つて、予め未加硫のゴム
テープを保温しておけば、ゴムテープ２が柔らか
くなり、しかも胛被１に対する密着性が良好とな
り、貼着作業が能率的に行える。 In this invention, when attaching the rubber tape 2 to the lower periphery 11 of the cover 1, if the unvulcanized rubber tape is kept warm in advance, the rubber tape 2 becomes soft and has good adhesion to the cover 1. This allows for efficient pasting work.
またこの発明において、胛被１を吊込んだラス
ト７を予め加熱して胛被１を保温し、保温された
胛１の下周辺１１に未加硫ゴムテープ２を貼着す
れば、靴底３を成形する前にゴムテープ２を簡単
に半加硫出来るので便利である。この発明におい
て、胛被１の下周辺１１に貼着された未加硫のゴ
ムテープ２を半加硫した後、サイドモールド５，
５を閉じてサイドモールドのリツプ部５１，５１
を胛被１の下周辺１１に貼着されたゴムテープ２
に喰い込ませて圧接して、胛被１の下部のサイド
モールド５，５とボトムモールド６とによつて靴
底成形キヤビテイ０を形成し、この靴底成形キヤ
ビテイ０に常法により未加硫ゴムからなる靴底成
形材３′を射出導入してゴム製の靴底３を加硫成
形するとともにゴムテープ２の下辺部を胛被１に
圧着成形するものである。 In addition, in this invention, if the last 7 with the shoe cover 1 hung thereon is heated in advance to keep the shoe cover 1 warm, and the unvulcanized rubber tape 2 is attached to the lower periphery 11 of the shoe cover 1 which has been kept warm, the sole 7 can be heated. This is convenient because the rubber tape 2 can be easily semi-vulcanized before being molded. In this invention, after semi-vulcanizing the unvulcanized rubber tape 2 stuck to the lower periphery 11 of the sleeve 1, the side mold 5,
5 and close the side mold lip parts 51, 51.
Rubber tape 2 attached to the lower periphery 11 of the cover 1
A sole molding cavity 0 is formed by the side molds 5, 5 and the bottom mold 6 at the lower part of the shoe cover 1, and unvulcanized molding is applied to this sole molding cavity 0 by a conventional method. A shoe sole molding material 3' made of rubber is introduced by injection, and a rubber shoe sole 3 is vulcanized and molded, and the lower side of the rubber tape 2 is press-molded onto the sleeve 1.
このようにして、靴底３を成形した後、サイド
モールド５，５を開放して、ラスト７から完成さ
れた靴を脱型して、靴底成形時にサイドモールド
のリツプ部５１，５１の上方部に位置されたゴム
テープの上辺部２２をその下辺部２１から引き裂
き除去すれば、ゴムテープの下辺部２１は靴底成
形時に胛被１に圧着加硫されており、ゴムテープ
の上辺部２２は半加硫状態であるため、サイドモ
ールドのリツプ部喰い込み部よりゴムテープの上
辺部２２を簡単に除去できる。 After the sole 3 is molded in this way, the side molds 5, 5 are opened, and the completed shoe is removed from the last 7. If the upper side part 22 of the rubber tape located at the bottom part is torn off from the lower side part 21 and removed, the lower side part 21 of the rubber tape was pressed and vulcanized to the shoe cover 1 during the sole molding, and the upper side part 22 of the rubber tape is semi-vulcanized. Since it is in a sulfuric state, the upper side portion 22 of the rubber tape can be easily removed from the biting portion of the lip portion of the side mold.
（発明の作用効果）
この発明は以上のように構成されており、ゴム
靴底射出成形時にサイドモールドのリツプ部５
１，５１と胛被との間の間隙が半加硫ゴムテープ
２によつてシールされているため、従来のように
胛被がサイドモールドのリツプ部で喰い切られた
り、リツプ部と胛被との間からバリがはみ出し形
成されたりすることがない。また胛被１が同一パ
ターンで肉厚が相違する場合、あるいは胛被１が
スニーカータイプ、サドルタイプ、モカシンタイ
プ、スリツプオンタイプ等異種タイプのものであ
つても、ゴムテープ２の肉厚を変更することによ
り、同一のサイドモールド、ラスト、ボトルモー
ルドを併用して使用できるのでモールド費用がコ
スト安で経済的である。(Operations and Effects of the Invention) This invention is constructed as described above, and the lip portion 5 of the side mold is
Since the gap between 1 and 51 and the cover is sealed with the semi-vulcanized rubber tape 2, the cover is not cut off by the lip of the side mold, or the gap between the lip and the cover is sealed. No burrs will protrude or form between the holes. Also, if the laces 1 have the same pattern but different thicknesses, or even if the laces 1 are of different types such as sneaker type, saddle type, moccasin type, slip-on type, etc., the thickness of the rubber tape 2 can be changed. As a result, the same side mold, last mold, and bottle mold can be used in combination, making the molding cost low and economical.
図面は本発明の実施状態を示す要部断面図であ
る。
符合の説明、１……胛被、１１……下周辺、２
……ゴムテープ、２１……下辺部、２２……上辺
部、３……靴底、３′……靴底成形材、５……サ
イドモールド、５１……リツプ部、６……ボトム
モールド、７……ラスト、０……靴底成形キヤビ
テイ。
The drawing is a sectional view of a main part showing an implementation state of the present invention. Explanation of the sign, 1...Falling, 11...Lower periphery, 2
... Rubber tape, 21 ... Lower side part, 22 ... Upper side part, 3 ... Sole, 3' ... Sole molding material, 5 ... Side mold, 51 ... Lip part, 6 ... Bottom mold, 7 ...Last, 0...Sole molding cavity.
Claims (1)
未加硫のゴムテープ２を貼着し、これを半加硫し
た後このゴムテープ２の側面にサイドモールド
５，５のリツプ部５１，５１を圧接喰い込ませて
胛被１の下部に、サイドモールド５，５とボトム
モールド６とによつて靴底成形キヤビテイ０を形
成し、この靴底成形キヤビテイ０に未加硫ゴムか
らなる靴底成形材３′を射出導入して、これを加
硫加圧して胛被１の下部にゴム製の靴底３を加硫
成形するとともにゴムテープ２の下辺部を胛被１
に圧着することを特徴とする靴の成形法。1. An unvulcanized rubber tape 2 is attached to the lower periphery 11 of the cover 1 suspended from the last 7, and after semi-vulcanization, the lip portion 51 of the side mold 5, 5 is attached to the side surface of this rubber tape 2. A shoe sole molding cavity 0 is formed in the lower part of the shoe cover 1 by the side molds 5, 5 and the bottom mold 6, and a shoe made of unvulcanized rubber is formed in this sole molding cavity 0. A sole molding material 3' is introduced by injection, and it is vulcanized and pressurized to vulcanize and mold a rubber sole 3 on the lower part of the shoe cover 1, and the lower side of the rubber tape 2 is attached to the shoe cover 1.
A shoe molding method characterized by crimping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1129922A JPH02307402A (en) | 1989-05-22 | 1989-05-22 | Formation of shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1129922A JPH02307402A (en) | 1989-05-22 | 1989-05-22 | Formation of shoe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02307402A JPH02307402A (en) | 1990-12-20 |
| JPH0513642B2 true JPH0513642B2 (en) | 1993-02-23 |
Family
ID=15021724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1129922A Granted JPH02307402A (en) | 1989-05-22 | 1989-05-22 | Formation of shoe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02307402A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2738915B2 (en) * | 1995-02-17 | 1998-04-08 | 青木安全靴製造株式会社 | Shoes and manufacturing method thereof |
| US6713006B1 (en) * | 2000-10-13 | 2004-03-30 | Dansko International Inc. | Process for manufacturing a shoe and shoe manufactured using said process |
-
1989
- 1989-05-22 JP JP1129922A patent/JPH02307402A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02307402A (en) | 1990-12-20 |
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