JPH01171501A - Manufacture of injection-molded shoe - Google Patents
Manufacture of injection-molded shoeInfo
- Publication number
- JPH01171501A JPH01171501A JP62334013A JP33401387A JPH01171501A JP H01171501 A JPH01171501 A JP H01171501A JP 62334013 A JP62334013 A JP 62334013A JP 33401387 A JP33401387 A JP 33401387A JP H01171501 A JPH01171501 A JP H01171501A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- sole
- last
- burr
- injection
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000000465 moulding Methods 0.000 claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 241001156386 Carapa Species 0.000 abstract 2
- 238000009423 ventilation Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 6
- 229920002635 polyurethane Polymers 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 239000010985 leather Substances 0.000 description 2
- 239000002649 leather substitute Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 101150034459 Parpbp gene Proteins 0.000 description 1
- 241000277331 Salmonidae Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/0009—Producing footwear by injection moulding; Apparatus therefor
- B29D35/0018—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/06—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising
- B29D35/061—Producing footwear having soles or heels formed and joined on to preformed uppers using a moulding technique, e.g. by injection moulding, pressing and vulcanising by injection moulding
Abstract
Description
【発明の詳細な説明】
（＃業」−の利用分野）
本発明は、射出成形により靴を製造する方法に係り、よ
り詳しくは、通気性の悪い胛皮を使用した場合にエア溜
りの発生を防１トするべく改良された射出成形靴の製造
方法（こ関する。Detailed Description of the Invention The present invention relates to a method for manufacturing shoes by injection molding, and more specifically, the invention relates to a method for manufacturing shoes by injection molding, and more specifically, the invention relates to a method for manufacturing shoes by injection molding, and more specifically, the invention relates to a method for manufacturing shoes by injection molding, and more specifically, the invention relates to a method for manufacturing shoes by injection molding. An improved method for manufacturing injection molded shoes to prevent
（従来の技術）
ポリウレタンは軽ｊａて緩衝性に富むことから、これを
靴底材料に利用した射出成形靴、いわゆるポリウレタン
射出成形靴は、従来より運動靴などに広く使用されてい
る。(Prior Art) Since polyurethane is light in weight and has good cushioning properties, injection molded shoes using polyurethane as a sole material, so-called polyurethane injection molded shoes, have been widely used in athletic shoes and the like.
（発明か解決しようとする間顕点）
しかし、従来の射出成形靴の製造プロセスにおいて、特
に通気性か無いかまたは乏しい胛皮、例えばＰＶＣレサ
ー、合成皮量、人工皮革、銀材皮革等からなる胛皮を使
用した場合には、モールド中のエアの抜けか制限される
ため、第６図に示すようにラスｌ−モールド ２２、ボ
トムモールド ２３及びサイドモールド ２４ｂ（２１
ａは図示せず。）をセットした後ポリウレタン等の樹脂
を靴底成形キャビティ ５に射出注入、充填したとき、
サイドモールド′とう゛ストモールドとの当接縁９の直
下側の部分にエア溜り ２０か生じる場合か多く、この
結果射出成形靴の靴底のト縁部に意匠欠け（抜は欠陥）
か発生し易いという問題かあった。(Significant point while trying to solve the invention) However, in the conventional manufacturing process of injection molded shoes, there is a problem in that the manufacturing process of injection molded shoes is particularly difficult due to the lack of breathability or lack of breathability, such as PVC leather, synthetic leather, artificial leather, silver material leather, etc. In the case of using a mold, air escape in the mold is restricted, so as shown in FIG.
a is not shown. ) is set, and when resin such as polyurethane is injected and filled into the sole molding cavity 5,
Air pockets 20 often occur in the area directly below the abutting edge 9 of the side mold's front and bottom molds, and as a result, the design of the bottom edge of the injection molded shoe sole is chipped (defective).
There was a problem that it was easy to occur.
この対策として、樹脂の射出注入前に木綿等の糸をラス
トモールド上の胛皮とサイドモールドとの間に差し入れ
、モールド内の空気が糸を伝って抜は出るようにする方
法か考えられる。As a countermeasure to this problem, a method may be considered to insert a thread of cotton or the like between the fins on the last mold and the side mold before injection of the resin, so that the air inside the mold passes through the thread and comes out.
しかし、この方法では、成形前に糸を差し入れる手間と
、成形後に靴底表面の糸を切除する手間とを必要とし、
量産ラインには不向きな方法である。However, this method requires the effort of inserting the threads before molding, and the effort of removing the threads from the surface of the sole after molding.
This method is not suitable for mass production lines.
また、別の方法として、サイドモールドのうちラストモ
ールドとの当接縁部分を粗表面とする方法もある。しか
し、この方法では、当接縁部分の特別の表面加工を必要
とし、また靴底樹脂か当接縁により溢れ出て胛皮と付着
するという新たな問題が起きる。Moreover, as another method, there is a method in which the contact edge portion of the side mold with the last mold has a rough surface. However, this method requires special surface treatment of the abutting edge portion, and a new problem arises in that the sole resin overflows from the abutting edge and adheres to the shoelace.
本発明は、上記の実情を考慮してなされたものて、その
目的は、通気性の悪い胛皮を使用した場合においても、
靴底の外周上級部などにいわゆる意匠欠け（抜は欠陥）
か生じない射出成形靴の製造方法を提供することにある
。The present invention was made in consideration of the above-mentioned circumstances, and its purpose is to
So-called design chipping on the upper part of the outer periphery of the sole (missing is a defect)
It is an object of the present invention to provide a method for manufacturing injection molded shoes that does not cause oxidation.
（問題点を解決するための手段）
本発明の射出成形靴の製造方法は、
ラストモールドと、
ボトムモールドと、
バリ孔をサイドモールド上面よりモールド内部を通って
ラストモールドとの当接縁より下側近傍部に臨むにかけ
て次第に先細となるように、かつ前記ラストモールドと
の当接縁に沿って複数個形成するとともに、
土手をサイドモールドの上面に前記バリ孔の開口より内
側の位置に、ラストモールドとの当接縁全体に亘って設
けた左右一対のサイドモールドとを含み、
そしてこれらモールドより靴底成形キャビティを形成す
る靴底成形モールドを用い、
胛皮をラストモールドに吊込み、続いて靴底用樹脂材料
を前記靴底成形モールドの靴底成形キャビティに射出注
入し、充填することを特徴とするものである。(Means for Solving the Problems) The injection molded shoe manufacturing method of the present invention includes forming a last mold, a bottom mold, and a burr hole from the upper surface of the side mold through the inside of the mold and below the abutting edge with the last mold. A plurality of banks are formed along the edge of contact with the last mold so as to gradually taper toward the side, and a bank is formed on the upper surface of the side mold at a position inside the opening of the burr hole. A shoe sole forming mold including a pair of left and right side molds provided over the entire contact edge with the mold, and forming a sole forming cavity from these molds, is used to suspend the shoe skin into the last mold, and then This method is characterized by injecting and filling the sole molding cavity of the shoe sole molding mold with a resin material for the sole.
靴底成形モールドは、下記のパリ孔と土手の構成を除き
、従来の射出成形用モールドと同様の構造を有するもの
てよい。The shoe sole mold may have the same structure as a conventional injection mold, except for the hole and bank configuration described below.
バリ孔は、サイドモールド−上面よりモールド内部を通
ってラストモールドとの当接縁より下側近傍部に臨むよ
うに、好ましくはほぼ垂直に延びるように形成される。The burr hole is preferably formed to extend substantially perpendicularly from the upper surface of the side mold, passing through the inside of the mold and facing the vicinity of the lower side of the contact edge with the last mold.
また、バリ孔は、例えばテーパ形状または複数の段の形
成によって次第に先細となるように設けられる。Further, the burr hole is provided so as to become gradually tapered, for example, by forming a tapered shape or forming a plurality of steps.
バリ孔は、好ましくはラストモールドとの当接縁に沿っ
て帷底外周全体にわたって複数個形成され、さらに最も
好ましくは、サイドモールド上面においてバリ孔の開口
か、射出成形時バリ孔を通ってモールド上面に溢れ出て
盛すヒかった樹脂材料のバリか一連につながる程度に、
相互に近接して形成される。A plurality of burr holes are preferably formed along the edge of contact with the last mold over the entire outer periphery of the bottom, and most preferably, a plurality of burr holes are formed on the upper surface of the side mold or through the burr holes during injection molding. To the extent that a series of burrs from the hot resin material overflowed and piled up on the top surface,
formed close to each other.
またパリ孔は、モールド上面の開口がより大きい程脱型
時のバリ取りか容易となるのてより好ましく、該開口は
例えば１〜３ｍｍの径であると適当であり、また上記当
接縁の下側近傍に臨む開口かより小さい程製品の靴底表
面にパリ切除の痕跡が小さくなるのてより好ましく、該
開口は例えば０．４〜０．８ｍｍの径であると適当であ
る。さらに上記の両開口は寸法（径）の差かより大きい
程説型時のバリ取りか容易となるのてより好ましい。In addition, the larger the opening on the upper surface of the mold, the easier it is to remove burrs during demolding, and it is more preferable for the hole to have a diameter of, for example, 1 to 3 mm. The smaller the opening facing the vicinity of the lower side, the smaller the traces of pari excision on the surface of the shoe sole of the product, which is more preferable. Furthermore, the larger the difference in size (diameter) between the two openings, the easier it is to remove burrs during molding, which is preferable.
そして、パリ孔が上記のような寸法にある場合には、バ
リ孔間の間隔は、５〜１５ｍ ｍ、好ましくは８〜１０
ｍｍであると、モールド上面に溢れ出た靴底材料のパリ
か一連につながりバリの抜き取りか至極容易となるのて
、そのような寸法か大変好都合である。When the burr holes have the above dimensions, the spacing between the burr holes is 5 to 15 mm, preferably 8 to 10 mm.
mm is very convenient because it connects the burrs of the sole material overflowing onto the upper surface of the mold and makes it extremely easy to remove the burrs.
さらに、バリ孔の形状、」法、位置および数等について
は、使用される靴底材料の種類、配合成分とそのＭ合、
粘度、流動状態ての特性などを考慮して、最適の条件と
なるように設定される。Furthermore, regarding the shape, method, position, number, etc. of the burr holes, the type of sole material used, the compounding ingredients and their M ratio,
The conditions are set to be optimal, taking into consideration the viscosity, flow state characteristics, etc.
また１本発明の靴底成形モールドは、土手をすイトモー
ルド上面にバリ孔の開口より内側の位置に好ましくはラ
ストモールドとの当接縁に沿って靴底外周全体にわたっ
て設けてなる。この土手により、サイトモールｌ−ｈ面
に溢れ出た靴底材料のバリがラストモールド−Ｌの胛皮
に付着するのを防止することかできる。Further, in the sole forming mold of the present invention, the bank is provided on the upper surface of the right mold at a position inside the opening of the burr hole, preferably along the abutting edge with the last mold over the entire outer periphery of the sole. This bank can prevent the burrs of the sole material overflowing onto the surface of the site mold L-h from adhering to the heel of the last mold L.
（作用）
本発明においては、バリ孔かサイドモールドとラストモ
ールドの当接縁の下側近傍とモールド外部とを連絡する
ように形成されているため、射出成形特靴底材料かバリ
孔に侵入し次いでモールド上面に流れ出るのとともにモ
ールド内のエアが容易に外気へ抜は出るのて、上記当接
縁近傍にエア溜りか全く生しない。この結果、成形され
た靴底の外周の上縁部に意匠欠け（抜は欠陥）か−切発
生しなくなる。(Function) In the present invention, since the burr hole is formed so as to communicate between the lower side of the contact edge of the side mold and the last mold and the outside of the mold, the injection molded special sole material can enter the burr hole. Then, the air inside the mold flows out onto the upper surface of the mold and is easily vented to the outside air, so that no air pockets are formed near the abutting edge. As a result, design defects (defects) or cuts do not occur on the upper edge of the outer periphery of the molded sole.
（実施例）
以下、実施例を示して本発明をさらに詳細に説明するか
、下記の実施例は本発明を何等制限するものてはない。(Examples) Hereinafter, the present invention will be explained in further detail by showing Examples, but the following Examples are not intended to limit the present invention in any way.
第１図に示すように、靴底成形モールドｌは、従来と同
様の構成で、ラストモールド２、ボトムモールド３ お
よび左右一対のサイドモールド４ａ、４ｂを備え、これ
らモールドより靴底成形空隙５か形成されるように構成
される。As shown in FIG. 1, the sole forming mold 1 has the same structure as the conventional one, and includes a last mold 2, a bottom mold 3, and a pair of left and right side molds 4a, 4b. configured to be formed.
左右のサイドモールド４ａ、４ｂは、第２図に示すよう
に、バリ孔６をモールド上面ｌＯよりモールド内部を通
ってラストモールド２との当接縁９より下側近傍部に臨
むにかけて次第に先細となるように、かつ第３ ［Ｊに
示すようにモールド内周面全体にわたって複数個形成し
てなる。As shown in FIG. 2, the left and right side molds 4a and 4b have burr holes 6 that gradually taper from the upper surface 10 of the mold through the inside of the mold and toward the lower side near the abutting edge 9 with the last mold 2. As shown in 3rd J, a plurality of molds are formed over the entire inner circumferential surface of the mold.
このバリ孔６は、第４図に示すように、断面円錐形て、
当接縁９の近傍部側の開口の径Ａが約０．４〜０．８ｍ
ｍてあり、上面開口１１の径Ｂが約１〜３ ｍ ｍであ
る。そしてバリ孔６相互の間隔Ｐは約８〜ｌＯｍ ｍで
ある。なお、パリ孔６の代わりに、第５図に示すような
複数の段を有する形状のバリ孔１３をサイドモールドに
形成してもよい。As shown in FIG. 4, this burr hole 6 has a conical cross section.
The diameter A of the opening near the contact edge 9 is approximately 0.4 to 0.8 m.
m, and the diameter B of the upper surface opening 11 is about 1 to 3 mm. The distance P between the burr holes 6 is approximately 8 to 10 mm. Incidentally, instead of the burr hole 6, a burr hole 13 having a plurality of steps as shown in FIG. 5 may be formed in the side mold.
さらに、左右のサイドモールド４ａ、４ｂは、第２図及
び第３図に示すように、モールド上面１０において土手
７をバリ孔６の開口１１より内側の位置に、ラストモー
ルドとの当接縁９に沿ってループ状に設けてなる。Furthermore, as shown in FIGS. 2 and 3, the left and right side molds 4a, 4b have the bank 7 on the mold upper surface 10 located inside the opening 11 of the burr hole 6, and the contact edge 9 with the last mold. It is provided in a loop shape along the
而して、胛皮８をラストモールド２に吊り込み次いて該
ラストモールド２、ボトムモールド３及び左右のサイド
モールド４ａ、４ｂを常法に従ってセットし、そしてポ
リウレタン等からなる靴底材料を靴底成形キャビティ５
に射出注入し、充填して、靴底を成形し射出成形靴を製
作する。Then, the last mold 2, the bottom mold 3, and the left and right side molds 4a, 4b are set in accordance with the conventional method, and a shoe sole material made of polyurethane or the like is applied to the shoe sole. Molding cavity 5
The material is injected and filled, and the sole is molded to produce injection molded shoes.
このとき、本実施例においては、靴底材料かバリ孔６に
侵入し、モールド上面ｌＯに溢れ出、溢れ出たバリ１２
か第３図に示すように一連につながった。しかし、土手
７か設けられているため、モールド上面上のバリ１２が
胛皮８に直接付着することはなかった。At this time, in this embodiment, the shoe sole material invades the burr hole 6 and overflows onto the mold upper surface lO, and the overflowing burr 12
They were connected in a series as shown in Figure 3. However, since the bank 7 was provided, the burr 12 on the upper surface of the mold did not directly adhere to the fin 8.
しかる後、脱型と同時に、すなわち成形モールドｌの型
開き動作によってパリ孔６内のバリを成形された靴底の
外周面より引き切る。その後バリ孔６中のバリを引き抜
き、除去した。バリ１２か一連につなかっているため、
バリの抜き取りは極めて迅速に行うことかてきた。Thereafter, at the same time as demolding, ie, by the opening operation of the mold l, the burr inside the paring hole 6 is cut off from the outer peripheral surface of the molded sole. Thereafter, the burr in the burr hole 6 was pulled out and removed. Because the burrs are connected in a series of 12 or more,
It has been said that removing burrs must be done extremely quickly.
かくして製造された射出成形靴の靴底外周面、特に上縁
部において意匠欠けは全く観察されなかった。No design defects were observed at all on the outer peripheral surface of the sole of the injection-molded shoe thus manufactured, particularly on the upper edge.
（発明の効果）
以り説明したように、本発明の射出成形靴の製造方法は
、ラストモールドとサイドモールドの当接縁の下側近傍
よりモールド外部へ連絡するバリ孔を設けたことにより
、射出成形特当接縁付近にエア溜りか全く発生せず、従
ってその部分において７を匠欠け（抜は欠陥）か無い射
出成形靴を確実に製作することかてきる。そのし、土手
により靴底材料のバリと胛皮との接触を防１卜せしめた
ことにより、バリ付着による製品不良か生じず、高品質
の靴か得られる。(Effects of the Invention) As explained above, the injection molded shoe manufacturing method of the present invention provides a burr hole that communicates with the outside of the mold from the lower side of the contact edge of the last mold and the side mold. No air pockets are generated near the injection-molded special contact edge, and therefore, injection-molded shoes can be reliably manufactured without any defects (7) in that area. Furthermore, since the bank prevents the burrs of the sole material from coming into contact with the laces, product defects due to burr adhesion do not occur, and high-quality shoes can be obtained.
第１図は本発明の実施例の方法に用いる射出成形靴の成
形モール１−を示す断面図、
第２図は第１１′、Ａの成形モールドの要部を示す断面
［７Ｉ、
第３図は第１図の成形モールドを上方より見た図、
第４図は第１図および第２図の成形モールドに多数形成
されたバリ孔を模式的に示す図、第５図は変形例のバリ
孔を示す図、
第６図は従来の射出成形靴の成形モールドを用いて靴底
を製造したときのモールド内部の要部を示す断面図であ
る。
図中、
ｌ・・・靴底成形モールド
２・・・ラストモールド
３・・・ボトムモールド
４ａ、４ｂ・・・サイドモールド
５・・・靴底成形キャビティ
６．１３・・・バリ孔
７・・・土手
８・・・胛皮
９・・・ラストモールドとの当接縁
１０・・・サイドモールド上面
１１・・・開口
２０・ ・ ・エア溜り
特許出願人 アキレス株式会社
第１図
第２図
第３図
１ 靴爪ハ形七−ルト ９ ラストし一ルトヒのづ
授縁２ ラストモールド １０ ｙＡ＋−七−ル
ド二面３ ボトム七−ノンド １１ 間口４ａ
、４ｂ ＋ｊイドモールド 刀 エア、ヅリ５
靴爪へ形式ぜじテロＡ 連連口の１６１３ バリ
犯 Ｂ、ｒ−鱒間口Φ径７ ニゲ
Ｐ バリλのＩＶｌ隔８ 胛庚Fig. 1 is a sectional view showing a molding mold 1- for injection molded shoes used in the method of the embodiment of the present invention, Fig. 2 is a sectional view showing the main parts of the mold 11' and A [7I], 1 is a view from above of the mold shown in FIG. 1, FIG. 4 is a diagram schematically showing a large number of burr holes formed in the mold shown in FIGS. 1 and 2, and FIG. 5 is a view of a modification of the burr. FIG. 6 is a sectional view showing the main parts inside the mold when a shoe sole is manufactured using a conventional injection mold for shoes. In the figure, l... Sole forming mold 2... Last mold 3... Bottom mold 4a, 4b... Side mold 5... Sole forming cavity 6.13... Burr hole 7...・Bank 8...Fall 9...Abutting edge with last mold 10...Side mold top surface 11...Opening 20... Air reservoir Patent applicant Achilles Corporation Figure 1 Figure 2 3 Figure 1 Shoe claw shape 7-root 9 Last bottom 1st bottom 2 Last mold 10 yA+- 7-rud 2 sides 3 Bottom 7-nondo 11 Frontage 4a
, 4b +j Idomold sword air, zuri 5
Formal terrorism to shoe nails A 1613 consecutive mouths Bali criminal B, r - Trout frontage Φ diameter 7 Nige
P Bali λ's IVl interval 8 胛庚
Claims (1)
ラストモールドとの当接縁より下側近傍部に臨むにかけ
て次第に先細となるように、かつ前記ラストモールドと
の当接縁に沿って複数個形成するとともに、 土手をサイドモールドの上面に前記バリ孔の開口より内
側の位置に、ラストモールドとの当接縁全体に亘って設
けた左右一対のサイドモールドとを含み、 そしてこれらモールドより靴底成形キャビティを形成す
る靴底成形モールドを用い、 胛皮をラストモールドに吊込み、続いて靴底用樹脂材料
を前記靴底成形モールドの靴底成形キャビティに射出注
入し、充填することを特徴とする射出成形靴の製造方法
。[Scope of Claims] A last mold, a bottom mold, and a burr hole that gradually tapers from the upper surface of the side mold through the inside of the mold toward the lower side near the abutment edge with the last mold, and A plurality of banks are formed along the abutting edge with the last mold, and a pair of left and right banks are provided on the upper surface of the side mold at a position inside the opening of the burr hole and extending over the entire abutting edge with the last mold. and side molds, and these molds form a sole molding cavity, suspend the shoe skin into the last mold, and then apply the resin material for the sole to the sole molding of the sole molding mold. A method for manufacturing injection molded shoes, characterized by injection injection and filling into a cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62334013A JPH01171501A (en) | 1987-12-28 | 1987-12-28 | Manufacture of injection-molded shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62334013A JPH01171501A (en) | 1987-12-28 | 1987-12-28 | Manufacture of injection-molded shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171501A true JPH01171501A (en) | 1989-07-06 |
Family
ID=18272519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62334013A Pending JPH01171501A (en) | 1987-12-28 | 1987-12-28 | Manufacture of injection-molded shoe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171501A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5639224B2 (en) * | 1975-05-16 | 1981-09-11 | ||
| JPS5913062U (en) * | 1982-07-12 | 1984-01-26 | 富士電機株式会社 | Internal ventilation rotating electric machine |
-
1987
- 1987-12-28 JP JP62334013A patent/JPH01171501A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5639224B2 (en) * | 1975-05-16 | 1981-09-11 | ||
| JPS5913062U (en) * | 1982-07-12 | 1984-01-26 | 富士電機株式会社 | Internal ventilation rotating electric machine |
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