JPH0245971B2 - GOSEIJUSHITSUTSUJOTAINOSEIKEIHOHO - Google Patents
GOSEIJUSHITSUTSUJOTAINOSEIKEIHOHOInfo
- Publication number
- JPH0245971B2 JPH0245971B2 JP1185583A JP1185583A JPH0245971B2 JP H0245971 B2 JPH0245971 B2 JP H0245971B2 JP 1185583 A JP1185583 A JP 1185583A JP 1185583 A JP1185583 A JP 1185583A JP H0245971 B2 JPH0245971 B2 JP H0245971B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- synthetic resin
- cylindrical body
- insert
- slide cores
- 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
- 229920003002 synthetic resin Polymers 0.000 claims description 20
- 239000000057 synthetic resin Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
この発明は、医療用パイプのジヨイント、又は
注射器のジヨイント等に使用する合成樹脂筒状体
の成形方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for molding a synthetic resin cylindrical body used for a joint of a medical pipe, a joint of a syringe, or the like.
従来から、腔、管、血管などに挿入して液体の
注射または吸入、さらに通路の開存確保などを目
的として使用されるカテーテルのアダプタは種々
知られており、これらアダプタは柔軟で弾力性を
有する合成樹脂の筒状体として、特に射出成形を
用いて作製されている。 Conventionally, various adapters have been known for catheters that are inserted into cavities, tubes, blood vessels, etc. for the purpose of injecting or inhaling liquids, as well as ensuring passage patency.These adapters are flexible and have elasticity. The cylindrical body made of synthetic resin is manufactured using injection molding.
しかしながら、射出成形を用いた場合、従来の
アダプタの形状では型の引き抜きが困難であつ
た。これは従来のアダプタは、曲げられたり、圧
力が加えられたりした場合にも液体の流れが阻止
されない様に、アダプタ本体の内腔の形状にばか
り改良工夫がなされており、その外表面の形状に
は何の考慮もされていなかつたからである。 However, when injection molding is used, the shape of the conventional adapter makes it difficult to pull out the mold. This is because in conventional adapters, the shape of the inner cavity of the adapter body has been improved so that the flow of liquid is not blocked even when it is bent or pressure is applied, and the shape of the outer surface of the adapter body has been improved. This is because no consideration was given to
そこで、この発明の目的とするところは、アダ
プタ本体の外表面の形状を改良工夫することによ
り、型の引き抜きを容易にすると共に、その外表
面の形状により、曲げられたり、圧力が加えられ
たりした場合にもアダプタ本体の内腔が完全に塞
がれることなく、液体の流れが阻止されない様に
したカテーテルのアダプタとしての合成樹脂筒状
体の成形方法を提供することにある。 Therefore, the purpose of this invention is to improve the shape of the outer surface of the adapter body to make it easier to pull out the mold, and to prevent bending or pressure from being applied due to the shape of the outer surface. To provide a method for molding a synthetic resin cylindrical body as an adapter for a catheter, in which the lumen of the adapter body is not completely blocked and the flow of liquid is not obstructed even when the adapter body is heated.
以下、この発明の合成樹脂筒状体の成形方法を
実施例として示した図面に従つて説明する。 DESCRIPTION OF THE PREFERRED EMBODIMENTS The method for molding a synthetic resin cylindrical body according to the present invention will be explained below with reference to drawings showing examples.
固定側とした上型１の入子２と移動側とした下
型３の入子４、左右のスライドコア５，６の入子
７，８により、合成樹脂筒状体９の成形型は構成
されている。上型１の入子２及び下型３の入子４
は、二条の輪状溝１０を有する帯状突部１１が形
成されており、その成形型の雌型となり、又スラ
イドコア５，６の入子７，８は、一方を円注状体
他方を二段の円注状体とし、合成樹脂筒状体９の
成形型の雄型としている。 The mold for the synthetic resin cylindrical body 9 is composed of the insert 2 of the upper mold 1 on the fixed side, the insert 4 of the lower mold 3 on the movable side, and the inserts 7 and 8 of the left and right slide cores 5 and 6. has been done. Insert 2 of upper mold 1 and insert 4 of lower mold 3
is formed with a belt-shaped protrusion 11 having two annular grooves 10, and serves as the female mold of the mold, and the inserts 7 and 8 of the slide cores 5 and 6 have one part shaped like a circular injection mold and the other part made into a two-piece mold. It is made into a stepped circular cast body, and is used as a male mold of the mold for the synthetic resin cylindrical body 9.
尚、帯状突部１１に形成された輪状溝１０は二
条に限定されるものではなく、その他複数条とし
て形成することができる。 Note that the annular groove 10 formed in the band-shaped protrusion 11 is not limited to two grooves, and may be formed in a plurality of grooves.
上記の如く構成された合成樹脂筒状体９の成形
型に、溶融した合成樹脂原料を押し込み、冷却し
て固化する。（第１図に示す。）
次に、下型３を矢印の方向へ移動させると同時
にスライドコア５，６も矢印の方向へずらしてい
く。（第２図に示す。）
さらに、スライドコア５，６が上型１から離脱
するまで、下型３を矢印の方向へ移動させると共
に、スライドコア５，６もその入子７，８が合成
樹脂筒状体９から離脱するまで矢印の方向へずら
していく。（第３図に示す。）
この発明の合成樹脂筒状体９は、以上述べた様
にして成形されるので、第２図の状態では、合成
樹脂筒状体９がスライドコア５，６の入子７，８
により押えられて、上型１の入子２が引き抜か
れ、さらに第３図の状態では、合成樹脂筒状体９
が下型の入子４に形成された二条の輪状溝１０を
有する帯状突部１１に係止されて、スライドコア
５，６の入子７，８が引き抜かれる。 The molten synthetic resin raw material is forced into the mold for the synthetic resin cylindrical body 9 constructed as described above, and is cooled and solidified. (See FIG. 1.) Next, the lower die 3 is moved in the direction of the arrow, and at the same time the slide cores 5 and 6 are also shifted in the direction of the arrow. (As shown in Fig. 2.) Furthermore, the lower mold 3 is moved in the direction of the arrow until the slide cores 5 and 6 are separated from the upper mold 1, and the slide cores 5 and 6 are also combined with their inserts 7 and 8. It is shifted in the direction of the arrow until it separates from the resin cylindrical body 9. (As shown in FIG. 3.) Since the synthetic resin cylindrical body 9 of the present invention is molded as described above, in the state shown in FIG. nest 7,8
The insert 2 of the upper mold 1 is pulled out by being pressed by
The inserts 7 and 8 of the slide cores 5 and 6 are pulled out by being engaged with a band-shaped protrusion 11 having two annular grooves 10 formed on the insert 4 of the lower mold.
したがつて、合成樹脂筒状体９は上型１の入子
２にも、スライドコア５，６の入子７，８にも引
つ付いていくことはなく、下型３の入子４の上に
残置される。 Therefore, the synthetic resin cylindrical body 9 does not stick to the insert 2 of the upper mold 1 or the inserts 7 and 8 of the slide cores 5 and 6, and does not stick to the insert 4 of the lower mold 3. will be left on top.
又、この様にして成形された合成樹脂筒状体９
は、第４図に示した様に筒細部１２を有し、その
筒細部１２に二条の輪状突部１３が形成されてい
るので、その部分から合成樹脂筒状体９が曲げら
れても、二条の輪状突部１３どうしが当接し合
い、その内腔が完全に塞がれるまでは曲がること
なく、液体の流れは阻止されることはない。 Moreover, the synthetic resin cylindrical body 9 molded in this way
has a cylindrical part 12 as shown in FIG. 4, and two annular protrusions 13 are formed on the cylindrical part 12, so even if the synthetic resin cylindrical body 9 is bent from that part, The two annular protrusions 13 come into contact with each other and do not bend until the inner cavity is completely blocked, and the flow of liquid is not obstructed.
第１図は、この発明の実施に使用する成形型に
合成樹脂原料を押し込んだ状態を示す成形型の部
分断面図、第２図は固化した合成樹脂筒状体から
成形型を引き抜きつつある状態を示す成形型の部
分断面図、第３図は固化した合成樹脂筒状体から
成形型を引き抜き終えた状態を示す成形型の部分
断面図、第４図はこの発明の成形方法により成形
された合成樹脂筒状体の斜視図。
１……上型、２……入子、３……下型、４……
入子、５……スライドコア、６……スライドコ
ア、７……入子、８……入子、９……合成樹脂筒
状体、１０…輪状溝、１１……帯状突部。
Figure 1 is a partial cross-sectional view of the mold used to carry out this invention, showing the state in which synthetic resin raw material is pushed into the mold, and Figure 2 is the state in which the mold is being pulled out from the solidified synthetic resin cylinder. FIG. 3 is a partial cross-sectional view of the mold showing the state in which the mold has been pulled out from the solidified synthetic resin cylindrical body, and FIG. A perspective view of a synthetic resin cylindrical body. 1...Upper mold, 2...Insert, 3...Lower mold, 4...
Insert, 5...Slide core, 6...Slide core, 7...Insert, 8...Insert, 9...Synthetic resin cylindrical body, 10...Annular groove, 11...Band-shaped protrusion.
Claims (1)
１０を有する帯状突部１１を形成して雌型とし、
スライドコア５，６の入子７，８を雄型とした合
成樹脂筒状体９の成形型に、溶融した合成樹脂を
押し込み冷却して固めた後、下型３と上型１を離
反させると共に、スライドコア５，６も徐々に後
退させスライドコア５，６の入子７，８を合成樹
脂筒状体９から離脱させる様にしたことを特徴と
する合成樹脂筒状体の成形方法。1. A band-shaped protrusion 11 having an annular groove 10 is formed on the insert 2 of the upper mold 1 and the insert 4 of the lower mold 3 to form a female mold,
After the molten synthetic resin is forced into a mold made of a synthetic resin cylindrical body 9 with the inserts 7 and 8 of the slide cores 5 and 6 as male molds and cooled and solidified, the lower mold 3 and the upper mold 1 are separated. At the same time, the slide cores 5 and 6 are also gradually retracted so that the inserts 7 and 8 of the slide cores 5 and 6 are separated from the synthetic resin cylindrical body 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1185583A JPH0245971B2 (en) | 1983-01-26 | 1983-01-26 | GOSEIJUSHITSUTSUJOTAINOSEIKEIHOHO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1185583A JPH0245971B2 (en) | 1983-01-26 | 1983-01-26 | GOSEIJUSHITSUTSUJOTAINOSEIKEIHOHO |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59136216A JPS59136216A (en) | 1984-08-04 |
| JPH0245971B2 true JPH0245971B2 (en) | 1990-10-12 |
Family
ID=11789335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1185583A Expired - Lifetime JPH0245971B2 (en) | 1983-01-26 | 1983-01-26 | GOSEIJUSHITSUTSUJOTAINOSEIKEIHOHO |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0245971B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007015291A (en) * | 2005-07-08 | 2007-01-25 | Olympus Imaging Corp | Cylindrical component |
| WO2008032853A1 (en) * | 2006-09-11 | 2008-03-20 | Daikyo Seiko, Ltd. | Syringe forming mold |
| JP2011016378A (en) * | 2010-10-13 | 2011-01-27 | Olympus Imaging Corp | Tubular component |
| CA2886018A1 (en) * | 2011-09-26 | 2013-04-04 | Andrew I. Schneider | Method of making polymeric gloves having embedded surgical support systems and discrete elements |
| JP5998107B2 (en) * | 2013-07-19 | 2016-09-28 | 太市 藤 | Mold device for manufacturing earpick and body cleaning tool such as earpick and method for manufacturing the cleaning tool |
-
1983
- 1983-01-26 JP JP1185583A patent/JPH0245971B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59136216A (en) | 1984-08-04 |
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