JPH0511528B2 - - Google Patents

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Publication number
JPH0511528B2
JPH0511528B2 JP31116486A JP31116486A JPH0511528B2 JP H0511528 B2 JPH0511528 B2 JP H0511528B2 JP 31116486 A JP31116486 A JP 31116486A JP 31116486 A JP31116486 A JP 31116486A JP H0511528 B2 JPH0511528 B2 JP H0511528B2
Authority
JP
Japan
Prior art keywords
annular body
mouth
mold
contact
manufacturing
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
Application number
JP31116486A
Other languages
Japanese (ja)
Other versions
JPS63168319A (en
Inventor
Tsuneshi Yoshida
Fujio Matsumoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Okamoto Corp
Original Assignee
Okamoto Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Okamoto Corp filed Critical Okamoto Corp
Priority to JP31116486A priority Critical patent/JPS63168319A/en
Publication of JPS63168319A publication Critical patent/JPS63168319A/en
Publication of JPH0511528B2 publication Critical patent/JPH0511528B2/ja
Granted legal-status Critical Current

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Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は口絞りの製造方法に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to a method for manufacturing a mouth stopper.

（従来の技術） 第１５図は代表的な口絞り構造を例示してお
り、その構成は口縁５０の袋縫部分５１内に口の
補強或いは伸縮性を持たせるために紐或いはゴム
紐５２を納めている。(Prior Art) FIG. 15 shows an example of a typical mouth opening structure, in which a string or rubber cord 52 is inserted into the bag-stitched portion 51 of the mouth rim 50 in order to reinforce the mouth or provide elasticity. I am paying it.

（発明が解決しようとする問題点） ところが、その袋縫部分の縫糸の縫付け部分を
通路として液体、気体が通過し、口絞りにたとえ
ば防水性および防風性を要求された場合、その縫
付け部分からの水や風の侵入を阻止できない問題
がある。(Problem to be Solved by the Invention) However, if liquid or gas passes through the sewn part of the bag stitched part as a passage, and the mouth opening is required to be waterproof and windproof, the sewn part There is a problem with not being able to prevent water and wind from entering.

そのため、縫付け部分における防水、防風性を
満足させるために、縫付け部分にさらに当て材を
被着する等しているところの多工程を要する製造
上の問題がある。 Therefore, in order to satisfy the waterproof and windproof properties of the sewn portion, there is a manufacturing problem that requires multiple steps, such as applying a padding material to the sewn portion.

本発明はこのような事情に鑑みてなされたもの
で、第１の発明は、環状体により補強されて、し
かも防水性および防風性が完璧であるところの口
絞りを最少工程数で均一且つ大量に生産すること
のできる製造方法を提供することにある。 The present invention has been made in view of the above circumstances, and the first invention is to uniformly and in large quantity draw the mouth, which is reinforced by an annular body and has perfect waterproof and windproof properties, with a minimum number of steps. The objective is to provide a manufacturing method that can produce

そして、第２の発明は、ゴム状の環状体により
補強されていて且つ伸縮性を有し、しかも防水性
および防風性が完璧であるところの口絞りを最少
工程数で均一且つ大量に生産することのできる製
造方法を提供するにある。 The second invention is to produce uniformly and in large quantities a diaphragm that is reinforced with a rubber-like annular body, has elasticity, and has perfect waterproof and windproof properties with a minimum number of steps. The aim is to provide a manufacturing method that can

（問題点を解決するための手段） 本発明はその第１の発明の目的を達成するため
に、環状体の接触部と非接触部を交互に且つ環状
体幅よりも長尺状に周設して口絞り成形部を形設
した成形型におけるその口絞り成形部に環状体を
巻装し、次いで、成形型を成形品の素材ペースト
中に浸漬し、引上げ、加熱成形した後に脱型して
成形品を得るように構成したことを特徴とする。(Means for Solving the Problems) In order to achieve the object of the first invention, the present invention provides a structure in which contact parts and non-contact parts of an annular body are arranged around the annular body alternately and longer than the width of the annular body. The annular body is wrapped around the mouth-drawn part of a mold in which a mouth-drawn part has been formed, and then the mold is immersed in the material paste of the molded product, pulled up, heated and formed, and then demolded. The invention is characterized in that it is configured such that a molded product can be obtained.

そして、第２の発明の目的を達成するために、
環状体の接触部と非接触部を交互に且つ環状体幅
よりも長尺状に周設して口絞り成形部を形設した
成形型におけるその口絞り成形部に加硫成形して
あるゴム状の環状体を弾装し、次いで、成形型を
成形品の素材ペースト中に浸漬し、引上げ、加熱
成形した後に脱型して成形品を得るように構成し
たことを特徴とする。 And, in order to achieve the purpose of the second invention,
Rubber that is vulcanized and molded in the drawn part of a mold in which the drawn part is formed by alternately contacting and non-contacting parts of the annular body and extending longer than the width of the annular body. The present invention is characterized in that it is configured such that a shaped annular body is elastically loaded, and then a mold is immersed in a material paste for a molded article, pulled up, heated and molded, and then demolded to obtain a molded article.

（作用） 口絞り成形部に環状体を巻装或いは弾装した成
形品が成形品の素材ペーストに浸漬して引上げら
れた状態で、ペーストが接触部と環状体部分との
接触部分を除く環状体部分および口絞り成形部に
膜状に付着残り、同状態で加熱成形した脱型する
ことにより、口絞りの内面に沿い環状体がその内
側部分を間欠的に抱持されて装設されている構造
状の口絞りが成形される。(Function) When a molded product in which an annular body is wrapped or elasticized around the mouth drawing part is immersed in the material paste of the molded product and pulled up, the paste covers the annular shape except for the contact area between the contact part and the annular body part. It remains attached to the body part and the mouth drawing part in a film form, and is heated and molded in the same state. By removing the mold, the annular body is installed along the inner surface of the mouth drawing part with its inner part intermittently held. A structural mouth aperture is formed.

（実施例） 以下図面を参照して本発明の実施の一例を詳細
に説明する。(Example) An example of implementation of the present invention will be described in detail below with reference to the drawings.

本発明を実施するのに採用した成形型Ａから説
明する。 A description will be given starting from the mold A adopted to carry out the present invention.

成形型Ａは所要の成形品Ｂを成形可能な成形面
１を有し、この成形面１の口絞り成形部２は環状
体B2の接触部３と非接触部４を周方向に交互に
且つ環状体B2幅よりも長尺状に形設していて、
この成形型Ａにより口内面に沿い環状体B2を抱
持した口絞り部B1を有する所望製品形状の成形
品Ｂを成形しうるようにしている。 The mold A has a molding surface 1 capable of molding a desired molded product B, and the mouth drawing portion 2 of this molding surface 1 alternately forms contact portions 3 and non-contact portions 4 of the annular body B 2 in the circumferential direction. In addition, the annular body B is shaped to be longer than 2 widths,
With this mold A, it is possible to mold a molded product B having a desired product shape and having a mouth constricted portion B1 holding an annular body B2 along the inner surface of the mouth.

接触部３は環状体B2との接触面部分３ａを図
面に示す円弧状又は平坦状に形設していて、この
接触部３位置における環状体Ｂ２部分が口絞り部
内面に間欠状に露呈した状態の口絞り部B1に成
形しうるようにしている。 The contact portion 3 has a contact surface portion 3a with the annular body B2 formed in an arc shape or a flat shape as shown in the drawing, and the annular body B2 portion at the position of the contact portion 3 is exposed intermittently on the inner surface of the aperture part. It is designed so that it can be molded into the mouth opening part B1 in a state where it is closed.

非接触部４は環状体B2との間の非接触面部分
４ａの横断面形態を、この非接触部４位置におけ
る環状体B2部分の内側が外側とで抱持された状
態の口絞り部B1に成形しうるように形設してい
る。 The non-contact portion 4 has a cross-sectional form of the non-contact surface portion 4a between the annular body B 2 and the annular body B 2 at the position of the non-contact portion 4. It is shaped so that it can be molded into part B1 .

又、非接触部４の非接触面部分４ａはその横断
面形態を、襞部分B3が環状体B2部分をくぐり抜
けている状態の口絞り部B1に成形しうるように
形設している。 In addition, the cross-sectional form of the non-contact surface portion 4a of the non-contact portion 4 is shaped so that it can be formed into a constricted portion B1 in which the pleated portion B3 passes through the two portions of the annular body B. There is.

第８図に例示する成形型Ａは口絞り部B1が非
伸縮状或いは伸縮状の態様の成形品Ｂの成形用
で、口絞り成形部２を胴部分よりも小径状に形設
している。 The mold A illustrated in FIG. 8 is for molding a molded product B in which the mouth drawing part B 1 is non-stretchable or elastic, and the mouth drawing part 2 is formed to have a smaller diameter than the body part. There is.

第９図に例示する成形型Ａは口絞り部B1が伸
縮状の態様の成形品Ｂの成形用で、口絞り成形部
２を胴部分と同径状に形設している。この態様に
おいて、口絞り成形部２を胴部分面よりも突出状
の径比（第１１図）、或いは胴部分面よりも半突
出状の径比（第１２図）の関係にするも良い。 The mold A illustrated in FIG. 9 is for molding a molded product B in which the mouth drawing part B 1 is in a telescopic form, and the mouth drawing part 2 is formed to have the same diameter as the body part. In this embodiment, the diameter ratio of the mouth drawn portion 2 may be such that it is more protruding than the body surface (FIG. 11), or that it is semi-protruding from the body surface (FIG. 12).

次に、第９図に例示した成形型Ａにより、伸縮
性のある口絞りの製造の一例を説明する。 Next, an example of manufacturing a stretchable mouth diaphragm using the mold A illustrated in FIG. 9 will be described.

第１工程（第１図、第２図） 成形型Ａの口絞り成形部２の所定位置にあらか
じめ加硫成形してある平ゴム状の環状体B2を弾
装する。First step (FIGS. 1 and 2) A flat rubber-shaped annular body B 2 which has been vulcanized and molded in advance is loaded into a predetermined position of the mouth drawing part 2 of the mold A.

第２工程（第３図） 成形型Ａを成形品Ｂの素材ペーストｂ中に環状
体B2が沈むまで浸漬する。この状態で、素材ペ
ーストｂは接触部３と環状体B2部分との接触部
分を除く成形面１すなわち口絞り成形部２および
環状体B2の外周面そして非接触面部分４ａおよ
び同部分４ａ位置の環状体B2の内側部分に付着
する。Second step (Fig. 3) The mold A is immersed in the material paste b of the molded product B until the annular body B 2 sinks. In this state, the material paste b is applied to the molding surface 1 excluding the contact portion between the contact portion 3 and the annular body B 2 portion, that is, the mouth drawing portion 2 and the outer peripheral surface of the annular body B 2 , and the non-contact surface portion 4a and the same portion 4a. Attach to the inner part of the annular body B 2 in position.

第３工程（第４図、第５図） 成形型Ａを素材ペーストｂ中から引上げ、素材
ペーストｂが非接触部４位置における環状体B2
部分を包むように、環状体B2および非接触面部
分４ａを含む成形面１に膜状に付着して残つた状
態で、その素材ペーストすなわち合成ゴム、天然
ゴム、塩化ビニール等の熱可塑性樹脂に応じた所
要の加熱条件（温度および時間）により加熱成形
する。Third step (Figures 4 and 5) The mold A is pulled up from the material paste b, and the material paste b forms the annular body B 2 at the non-contact portion 4 position.
The material paste, that is, thermoplastic resin such as synthetic rubber, natural rubber, vinyl chloride, etc., remains attached to the molding surface 1 including the annular body B 2 and the non-contact surface portion 4a in a film-like manner so as to wrap around the parts. Heat molding is performed under the required heating conditions (temperature and time).

第４工程（第６図） 成形型Ａを脱型して成形品Ｂを得る。Fourth step (Figure 6) Molding mold A is demolded to obtain molded product B.

斯くして、口絞り部３内に環状体B2が間欠状
の各保持部分B4で抱持されていて、且つ内側に
突曲状の襞部分B3と、これに加えて環状体B2の
縮小力により形成される外側に突曲状の襞部分
B5を有している成形品Ｂを製造することができ
る。 In this way, the annular body B 2 is held within the mouth constriction portion 3 by the intermittent holding portions B 4 , and the annular body B 2 is held inwardly by the convex fold portions B 3 and in addition to the annular body B 2 . Outwardly curved folds formed by the contraction force of 2 .
A molded article B having B 5 can be produced.

この口絞り部B1は環状体B2により補強される
と共に伸縮性を有し、そして、あらかじめ加硫成
形されているその環状体B2が口絞り部B1に同部
と接合していない状態で抱持されていることによ
り、環状体B2独自に一様に伸縮して、局部疲労
による破断がないと共にその伸縮回復力により各
襞部分B3，B5の良好な伸び縮み動作を促がして、
口絞り部B1各部が一様に伸縮するものである。
又、襞部分B3が囲繞物になじむように弾性変形
するものであり、この襞部分B3が囲繞物に広範
囲に密接可能で、しかも、囲繞物に環状体B2が
触れぬようにして環状体B2の損傷を防ぐと共に
環状体B2が囲繞物との接触抵抗を受けずに自在
に伸縮するようにしている。 This mouth drawing part B 1 is reinforced by the annular body B 2 and has elasticity, and the annular body B 2 , which has been vulcanized in advance, is not joined to the mouth drawing part B 1 . By being held in this condition, the annular body B 2 is uniquely and uniformly expanded and contracted, and there is no breakage due to local fatigue, and its elastic recovery force allows each fold portion B 3 and B 5 to expand and contract well. I urge you,
Each part of the opening part B1 expands and contracts uniformly.
In addition, the folded portion B3 is elastically deformed to fit the surrounding object, and the folded portion B3 can be brought into close contact with the surrounding object over a wide range, while preventing the annular body B2 from touching the surrounding object. This prevents damage to the annular body B 2 and allows the annular body B 2 to freely expand and contract without receiving contact resistance from surrounding objects.

非伸縮性の補強素材たとえば紐等の環状体B2
で補強する口絞りは第８図に例示した成形型Ａを
用いて前記の第１乃至第４工程により製造する。
（第７図） 斯くして、口絞り部B1に環状体B2が間欠状の
各保持部分B4で抱持されていて、且つ内側に突
曲状の襞部分B3を有している成形品Ｂを製造す
ることができ、その口絞り部B1は環状体B2によ
り補強されていて、しかも、襞部分B3が囲繞物
になじむように弾性変形するものであり、この襞
部分B3が囲繞物に広範囲に密接可能で、しかも、
囲繞物に環状体B2が触れぬようにして環状体B2
の損傷を防ぐと共に環状体B2が囲繞物との接触
抵抗を受けずに自在に伸縮するようにしている。 Non-stretchable reinforcing material such as string B 2
The mouth diaphragm to be reinforced with is manufactured by the above-mentioned first to fourth steps using the mold A illustrated in FIG.
(Fig. 7) In this way, the annular body B2 is held in the opening part B1 by the intermittent holding parts B4 , and has a convex fold part B3 on the inside. It is possible to manufacture a molded product B in which the narrowed part B1 is reinforced by the annular body B2 , and the folded part B3 is elastically deformed to conform to the surrounding material. Part B 3 can be brought into close contact with surrounding objects over a wide range, and
Remove the annular body B 2 by making sure that the annular body B 2 does not touch the surrounding objects.
This prevents damage to the annular body B2 and allows the annular body B2 to freely expand and contract without being subjected to contact resistance with surrounding objects.

第１３図は本発明製造法により成形した口絞り
部B1が伸縮性のある手袋Ｂを例示している。 FIG. 13 illustrates a glove B having a stretchable opening portion B1 formed by the manufacturing method of the present invention.

因みに、手袋(B)の本体の素材ペーストの配合例
と加熱温度および時間を次に示す。 Incidentally, an example of the composition of the material paste for the main body of the glove (B) and the heating temperature and time are shown below.

配合例 PVCペースト 100重量％ 可塑剤 100 〃 熱安定剤 ２ 〃 増粘剤 ４ 〃 顔 料 適 量 加熱温度：200℃ 加熱時間：８分 第１４図は同じく本発明製造法により成形した
口絞り部B1が伸縮性のあるオーバーシユーズ(B)
を例示している。Formulation example PVC paste 100% by weight Plasticizer 100 〃 Heat stabilizer 2 〃 Thickener 4 〃 Pigment Appropriate amount Heating temperature: 200°C Heating time: 8 minutes Figure 14 shows the mouth-drawn part also formed by the manufacturing method of the present invention B 1 is elastic oversew (B)
is exemplified.

因みに、オーバーシユーズＢの本体の素材ペー
ストの配合例と加硫温度および時間を次に示す。 Incidentally, an example of the composition of the material paste for the main body of Overuse B and the vulcanization temperature and time are shown below.

配合例 天然ゴムラテツクス（ゴム分） 100重量％ 加硫剤 １〜1.5 〃 加硫促進剤 0.5〜１ 〃 加硫促進助剤 0.5〜１ 〃 老化防止剤 0.5〜１ 〃 顔 料 適 量 加硫温度：180℃ 加硫時間：10分 又、本発明製造法により、口絞りの補強さらに
伸縮性を求められる他の製品たとえばアームサツ
ク、袋物、幅子、カバー、長靴等の製造に有用で
あることは言うまでもない。Compounding example Natural rubber latex (rubber content) 100% by weight Vulcanizing agent 1-1.5 Vulcanization accelerator 0.5-1 Vulcanization accelerator 0.5-1 Anti-aging agent 0.5-1 Pigment Appropriate amount Vulcanization temperature: 180℃ Vulcanization time: 10 minutes It goes without saying that the manufacturing method of the present invention is useful for manufacturing other products that require reinforcement of the opening and elasticity, such as arm sacks, bags, skirts, covers, boots, etc. stomach.

（発明の効果） したがつて、本発明によれば次の利点がある。(Effect of the invention) Therefore, the present invention has the following advantages.

補強のための環状体が口絞り部に抱持されて
いて、しかも口絞り部外表面の防水性および防
風性が完璧である口絞りを浸漬・加熱成形によ
る最少工程数で均一且つ大量に生産することが
できる。 A reinforcing annular body is held in the aperture part, and the outer surface of the aperture part has perfect waterproof and windproof properties.The aperture can be produced uniformly and in large quantities using a minimum number of processes by dipping and heat forming. can do.

そして、第２発明によりさらに次の利点があ
る。 Further, the second invention has the following advantages.

伸縮性をも有する口絞りを均一且つ大量に生
産することができる。 It is possible to produce uniformly and in large quantities a diaphragm that also has elasticity.

環状体の縮小力による襞部分がある態様にす
ることができて、伸縮がスムーズで且つ囲繞物
になじむように弾性変形もする口絞りに同時製
造できる。 It can be made into a form with folds due to the shrinking force of the annular body, and can be manufactured at the same time as a mouth diaphragm that expands and contracts smoothly and also elastically deforms to fit the surrounding object.

環状体独自の各部一様な伸縮状態に抱持成形
できて、局部疲労による破断のない耐久性のあ
る口絞りに同時製造することができる。 Unique to the annular body, each part can be held and molded in a uniformly expanded and contracted state, and can be simultaneously manufactured into a durable mouth diaphragm that will not break due to local fatigue.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図乃至第６図は本発明口絞りの製造方法の
第２発明の実施の一例を工程順に示しており、第
１図は成形型に伸縮性の環状体を弾装する寸前の
斜視図、第２図はその環状体を口絞り成形部に弾
装した状態の斜視図、第３図は成形型を素材ペー
スト中に浸漬した状態の斜視図、第４図は加硫成
形した状態の斜視図、第５図は第４図の−線
に沿える拡大横断面図、第６図は脱型して得た口
絞りを示す拡大斜視図で一部切欠している。第７
図は第１発明の製造法により成形した非伸縮性の
口絞りを示す斜視図。第８図および第９図は本発
明製造方法に採用した成形型の一実施例を示して
おり、第８図は第７図に示す口絞りの製造に用い
た成形型の斜視図、第９図は第６図に示す口絞り
の製造に用いた成形型の斜視図、第１０図乃至第
１２図は口絞り成形部の各実施例を示す横断面
図。第１３図および第１４図は本発明製造方法に
より成形した口絞りを有する成形品として手袋と
オーバーシユーズを例示している。第１５図は従
来の口絞り構成を示す縦断面図である。 図中、Ａは成形型、２は口絞り成形部、３は接
触部、４は非接触部、Ｂは成形品、B1は口絞り
部、B2は環状体、B3，B5は襞部分、B4は保持部
分、ｂは素材ペースト。 FIGS. 1 to 6 show an example of the implementation of the second invention of the method for manufacturing a mouth diaphragm of the present invention in the order of steps, and FIG. 1 is a perspective view just before loading the elastic annular body into the mold. , Fig. 2 is a perspective view of the annular body loaded into the mouth drawing forming part, Fig. 3 is a perspective view of the forming die immersed in the material paste, and Fig. 4 is a perspective view of the vulcanized state. A perspective view, FIG. 5 is an enlarged cross-sectional view taken along the line - in FIG. 4, and FIG. 6 is an enlarged perspective view showing a mouth stop obtained by demolding, with a portion cut away. 7th
The figure is a perspective view showing a non-stretchable mouthpiece molded by the manufacturing method of the first invention. 8 and 9 show an embodiment of the mold adopted in the manufacturing method of the present invention, and FIG. 8 is a perspective view of the mold used for manufacturing the mouth diaphragm shown in FIG. The figure is a perspective view of a mold used to manufacture the mouth drawing shown in FIG. 6, and FIGS. 10 to 12 are cross-sectional views showing each embodiment of the mouth drawing forming part. FIG. 13 and FIG. 14 illustrate gloves and overshoes as molded products having a diaphragm formed by the manufacturing method of the present invention. FIG. 15 is a longitudinal sectional view showing a conventional aperture configuration. In the figure, A is the mold, 2 is the mouth drawing part, 3 is the contact part, 4 is the non-contact part, B is the molded product, B 1 is the mouth drawing part, B 2 is the annular body, B 3 and B 5 are The fold part, B 4 is the holding part, and b is the material paste.

Claims (1)

【特許請求の範囲】 １ 環状体の接触部と非接触部を交互に且つ環状
体幅よりも長尺状に周設して口絞り成形部を形設
した成形型におけるその口絞り成形部に環状体を
巻装し、次いで、成形型を成形品の素材ペースト
中に浸漬し、引上げ、加熱成形した後に脱型して
成形品を得ることを特徴とする口絞りの製造方
法。 ２ 環状体の接触部と非接触部を交互に且つ環状
体幅よりも長尺状に周設して口絞り成形部を形設
した成形型におけるその口絞り成形部に加硫成形
してあるゴム状の環状体を弾装し、次いで、成形
型を成形品の素材ペースト中に浸漬し、引上げ、
加熱成形した後に脱型して成形品を得ることを特
徴とする口絞りの製造方法。[Scope of Claims] 1. In the mouth drawing part of a mold in which the mouth drawing part is formed by alternately arranging contact parts and non-contact parts of the annular body and having a length longer than the width of the annular body. 1. A method for manufacturing a mouth drawer, which comprises winding an annular body, then immersing a mold into a material paste for a molded article, pulling it up, heating and forming it, and then removing the mold to obtain a molded article. 2 Vulcanization molding is carried out in the mouth drawing part of a mold in which the contact part and the non-contact part of the annular body are arranged around the ring in a length longer than the width of the annular body, and the mouth drawing part is formed. A rubber-like annular body is loaded, then the mold is immersed in the material paste of the molded product, pulled up,
A method for manufacturing a mouthpiece, which comprises heating and molding and then demolding to obtain a molded product.
JP31116486A 1986-12-29 1986-12-29 Drawing method of opening Granted JPS63168319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP31116486A JPS63168319A (en) 1986-12-29 1986-12-29 Drawing method of opening

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP31116486A JPS63168319A (en) 1986-12-29 1986-12-29 Drawing method of opening

Publications (2)

Publication Number Publication Date
JPS63168319A JPS63168319A (en) 1988-07-12
JPH0511528B2 true JPH0511528B2 (en) 1993-02-15

Family

ID=18013862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP31116486A Granted JPS63168319A (en) 1986-12-29 1986-12-29 Drawing method of opening

Country Status (1)

Country Link
JP (1) JPS63168319A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05196032A (en) * 1992-11-27 1993-08-06 Nippon Seiko Kk Bearing device

Also Published As

Publication number Publication date
JPS63168319A (en) 1988-07-12

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