JPH042007Y2 - - Google Patents
Info
- Publication number
- JPH042007Y2 JPH042007Y2 JP1987168269U JP16826987U JPH042007Y2 JP H042007 Y2 JPH042007 Y2 JP H042007Y2 JP 1987168269 U JP1987168269 U JP 1987168269U JP 16826987 U JP16826987 U JP 16826987U JP H042007 Y2 JPH042007 Y2 JP H042007Y2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- core material
- rod
- urethane
- lower 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.)
- Expired
Links
- 239000011162 core material Substances 0.000 claims description 47
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 17
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 14
- 238000005187 foaming Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 8
- 238000003825 pressing Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000006260 foam Substances 0.000 description 4
- 238000010097 foam moulding Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution 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
【考案の詳細な説明】
（産業上の利用分野）
本考案は、上型にセツトされた芯材と一体にウ
レタン樹脂を発泡されるウレタン一体発泡型に関
するものである。[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a urethane integrally foamed mold in which urethane resin is foamed integrally with a core material set in an upper mold.
（従来の技術）
従来より、この種のウレタン一体発泡型とし
て、例えば実開昭62−9511号公報に開示されるよ
うに、上型の型面に芯材をアンダカツトピン等で
固定し、また場合によつては下型の型面上に表皮
を載置し、上記上型と下型とによつて形成される
キヤビテイ内にウレタン樹脂原料を注入して、芯
材および表皮と一体にウレタン樹脂を発泡成形す
るようにしたものは知られている。(Prior art) Conventionally, as this type of urethane integrally foamed mold, for example, as disclosed in Japanese Utility Model Application Publication No. 62-9511, a core material is fixed to the mold surface of an upper mold with undercut pins, etc. In some cases, the skin is placed on the mold surface of the lower mold, and the urethane resin raw material is injected into the cavity formed by the upper mold and the lower mold, and the skin is integrated with the core material and the skin. It is known that urethane resin is foam-molded.
（考案が解決しようとする問題点）
ところが、上記従来のウレタン一体発泡型は、
上型に芯材をセツトした状態で型締めをするもの
であるため、下型の型面がその開口周縁で絞めら
れた形状に形成されかつ芯材が下型の開口よりも
大きい場合、芯材と下型とが干渉して型締めがで
きず、適用範囲が限られるという問題があつた。
尚、この場合でも、芯材のみを下型内に挿入配置
すること自体は、芯材を適宜傾けつつ下型の開口
から挿入することにより、あるいは下型の開口周
縁部を割型とし、該割型を開いて芯材を挿入する
ことによつて可能である。(Problem that the invention attempts to solve) However, the conventional urethane integral foam type mentioned above,
Since the mold is clamped with the core material set in the upper mold, if the mold surface of the lower mold is constricted at the periphery of the opening and the core material is larger than the opening of the lower mold, the core There was a problem that the material and the lower mold interfered and the mold could not be clamped, limiting the range of application.
Even in this case, inserting only the core material into the lower mold itself can be done by inserting the core material from the opening of the lower mold while tilting it appropriately, or by making the periphery of the opening of the lower mold into a split mold and inserting the core material into the lower mold. This is possible by opening the split mold and inserting the core material.
本考案はかかる点に鑑みてなされたものであ
り、その目的とするところは、特に、上述の如く
上型に芯材をセツトした状態では型締めができな
いが、芯材のみを下型内に挿入配置できる場合に
その下型内に配置した芯材を型締め後上型にセツ
トし得るようになし、もつて適用範囲の広いウレ
タン一体発泡型を提供せんとするものである。 The present invention has been developed in view of the above, and its purpose is to solve the problem that mold clamping is not possible when the core material is set in the upper mold as described above, but only the core material is placed in the lower mold. If the core material can be inserted into the lower mold, the core material placed in the lower mold can be set in the upper mold after the mold is clamped, thereby providing a urethane integrally foamed mold with a wide range of applications.
（問題点を解決するための手段）
上記目的を達成するため、本考案の解決手段
は、芯材を上型にセツトし、該芯材と一体にウレ
タン樹脂を発泡させるウレタン一体発泡型におい
て、上記上型には、下端に芯材に対し係止可能な
係止部を有するロツドが上下方向にスライド可能
に設ける構成とするものである。(Means for solving the problem) In order to achieve the above object, the solution of the present invention is a urethane integral foaming type in which a core material is set in an upper mold and a urethane resin is foamed integrally with the core material. The upper mold is provided with a rod having a locking portion at the lower end capable of locking to the core material so as to be slidable in the vertical direction.
（作用）
上記の構成により、前記のウレタン一体発泡型
では、芯材が下型の開口よりも大きくても該下型
内に挿入配置できる場合には、次の手順によつて
該芯材と一体にウレタン樹脂を発泡させることが
できる。(Function) With the above configuration, in the case of the urethane integrally foamed type, if the core material can be inserted into the lower mold even if it is larger than the opening of the lower mold, the core material can be inserted and placed in the lower mold by the following procedure. Urethane resin can be foamed integrally.
すなわち、先ず初めに、芯材を下型内に挿入配
置した後、上型と下型との型締めをする。次い
で、上型に設けられたロツドを下方に降ろし、該
ロツド下端の係止部を芯材に係止させる。そし
て、この係止状態のままロツドを上方に引き上げ
て芯材を上型にセツトする。しかる後、上型と下
型とによつて形成されるキヤビテイ内にウレタン
樹脂原料を注入して、芯材と一体にウレタン樹脂
を発泡させるのである。 That is, first, the core material is inserted into the lower mold, and then the upper mold and the lower mold are clamped. Next, the rod provided on the upper mold is lowered, and the locking portion at the lower end of the rod is locked to the core material. Then, in this locked state, the rod is pulled upward and the core material is set in the upper mold. Thereafter, the urethane resin raw material is injected into the cavity formed by the upper mold and the lower mold, and the urethane resin is foamed together with the core material.
（実施例）
以下、本考案の実施例を図面に基づいて説明す
る。(Example) Hereinafter, an example of the present invention will be described based on the drawings.
第１図は本考案の一実施例に係わるウレタン一
体発泡型Ａを示し、この発泡型Ａは下型１と上型
２とからなる。上記下型１は、上面が型面１ａと
されており、その型面１ａは開口３付近で絞られ
た形状に形成されている。この下型１の開口３周
縁部は下型１と別体の割型４，……によつて構成
され、該各割型４は、下型１に対しヒンジ部材５
を介して回動可能に連結されている。上記下型１
の型面１ａ上には、発泡成形前に軟質性の塩化ビ
ニール樹脂等よりなる表皮材６が密着状態に載置
されるようになつている。 FIG. 1 shows a urethane integrally foamed mold A according to an embodiment of the present invention, and this foamed mold A consists of a lower mold 1 and an upper mold 2. The upper surface of the lower mold 1 is a mold surface 1a, and the mold surface 1a is formed in a constricted shape near the opening 3. The periphery of the opening 3 of the lower mold 1 is constituted by split molds 4, .
are rotatably connected via. Above lower mold 1
A skin material 6 made of a soft vinyl chloride resin or the like is placed in close contact with the mold surface 1a before foam molding.
一方、上記上型２は、下面が型面２ａとされて
おり、その型面２ａは上記下型１の型面１ａに対
応して所定形状に形成されていて、上型２と下型
１とを重ね合わせて型締めをしたとき、その両者
の型面１ａ，２ａによりウレタン樹脂７を所定形
状に発泡成形するキヤビテイ８が形成されるよう
になつている。上記上型２の中央部には、発泡原
料としてのウレタン樹脂原料を上記キヤビテイ８
内に注入する注入口９が設けられており、該注入
口９は注入口蓋１０により閉じられる。また、上
型２の型面２ａに対しては発泡成形前に芯材１１
がセツトされるようになつている。該芯材１１
は、ABS樹脂等の樹脂成形体、金属板等よりな
り、その大きさは下型１の開口３よりも大きく設
定されている。 On the other hand, the upper mold 2 has a lower surface as a mold surface 2a, and the mold surface 2a is formed into a predetermined shape corresponding to the mold surface 1a of the lower mold 1. When these are overlapped and the molds are clamped, the mold surfaces 1a and 2a of the two form a cavity 8 in which the urethane resin 7 is foam-molded into a predetermined shape. In the center of the upper mold 2, a urethane resin raw material as a foaming raw material is placed in the cavity 8.
An inlet 9 is provided for injecting into the container, and the inlet 9 is closed by an inlet cover 10. In addition, for the mold surface 2a of the upper mold 2, a core material 11 is placed before foam molding.
is now set. The core material 11
is made of a resin molded body such as ABS resin, a metal plate, etc., and its size is set larger than the opening 3 of the lower mold 1.
そして、本考案の特徴として、上記上型２の注
入口９周辺部には、上記芯材１１を上型２の型面
２ａにセツトするための複数のロツド１２，……
が設けられている。該ロツド１２は、第２図ない
し第４図に詳示するように、円管部材よりなり、
上型２に対してはブツシユ１３を介して上下方向
にスライド可能に設けられている。このロツド１
２の下端部（上型２の型面２側から突出する端
部）には係止部材１４が嵌着されているととも
に、ロツド１２内にはロツクピン１５がスライド
可能に貫通配置されている。上記係止部材１４の
先端部には、円周方向略等間隔に複数条の切欠き
２０，２０，……を切欠いてなる係止部１４ａが
形成されており、該係止部１４ａは、上記ロツク
ピン１５がロツド１２内下方に押し下げられてそ
の下端部に形成された押圧部１５ａが係止部１４
ａの絞り当接面１４ｂに当接するときに拡径し
て、芯材１１に形成された係合部１１ａに係止さ
れるようになつている。 As a feature of the present invention, a plurality of rods 12, .
is provided. As shown in detail in FIGS. 2 to 4, the rod 12 is made of a circular tube member,
It is provided so as to be slidable in the vertical direction with respect to the upper mold 2 via a bush 13. This rod 1
A locking member 14 is fitted to the lower end of the mold 2 (an end protruding from the mold surface 2 of the upper mold 2), and a lock pin 15 is slidably inserted through the rod 12. At the tip of the locking member 14, a locking portion 14a is formed by cutting out a plurality of notches 20, 20, . . . at approximately equal intervals in the circumferential direction. When the lock pin 15 is pushed down inside the rod 12, a pressing portion 15a formed at the lower end thereof is attached to the locking portion 14.
When it comes into contact with the aperture abutment surface 14b of a, the diameter expands and is engaged with an engaging portion 11a formed on the core material 11.
また、上記ロツド１２の上端には鍔部材１６が
装着されているとともに、該鍔部材１６とブツシ
ユ１３上端との間のロツド１２外周には該ロツド
１２を鍔部材１６を介して上方に移動付勢するコ
イルスプリング１７が配設されている。尚、ブツ
シユ１３の外周面にはネジ部１３ａが形成され、
該ネジ部１３ａにてブツシユ１３が上型２に螺合
締結されているとともに、このブツシユ１３のネ
ジ部１３ａにはナツト１８が螺合されており、よ
つて、ナツト１８のブツシユ１３に対する螺合調
整によりコイルスプリング１７の非圧縮状態（つ
まりロツド１２を上方に付勢していない状態）で
のロツド１２の上型２に対する上下方向の位置が
可変調整されるようになつている。 Further, a collar member 16 is attached to the upper end of the rod 12, and the rod 12 is attached to the outer periphery of the rod 12 between the collar member 16 and the upper end of the bush 13 so that the rod 12 can be moved upwardly through the collar member 16. A coil spring 17 is disposed to provide a biasing force. Incidentally, a threaded portion 13a is formed on the outer peripheral surface of the bush 13,
The bush 13 is screwed and fastened to the upper die 2 at the threaded portion 13a, and a nut 18 is threaded into the threaded portion 13a of the bush 13. Therefore, the nut 18 is screwed into the bush 13. The adjustment allows the vertical position of the rod 12 relative to the upper die 2 to be variably adjusted when the coil spring 17 is in an uncompressed state (that is, a state in which the rod 12 is not urged upward).
次に、上記実施例のウレタン一体発泡型Ａにお
いて、下型１の開口３よりも大きな芯材１１およ
び表皮材６と一体にウレタン樹脂７７を発泡成形
する製造手順について、第５図、第６図および第
７図などを参照しつつ説明する。 Next, in the urethane integrally foamed mold A of the above embodiment, the manufacturing procedure for foam-molding the urethane resin 77 integrally with the core material 11 which is larger than the opening 3 of the lower mold 1 and the skin material 6 is shown in FIGS. This will be explained with reference to the figures and FIG. 7.
先ず初めに、第５図に示すように、下型１から
上型２を離した状態において、下型１の開口３周
縁部を構成する割型４，……を下型１外側へ回動
させて開き、下型１の型面１ａ上に表皮材６を密
着状態に載置し、更に該表皮材６上に芯材１１を
挿入配置する。 First, as shown in FIG. 5, with the upper mold 2 separated from the lower mold 1, the split molds 4, which constitute the periphery of the opening 3 of the lower mold 1, are rotated to the outside of the lower mold 1. The mold is opened, and the skin material 6 is placed in close contact with the mold surface 1a of the lower mold 1, and the core material 11 is further inserted onto the skin material 6.
次いで、上記表皮材６の周縁部を内側に折り曲
げながら割型４，……を下型１内側へ回動させて
閉じ、該割型４，……上に表皮材６の周縁部を載
置する。その後、第６図に示すように、上型２を
下型１に重ね合わせて型締めをする。この際、芯
材セツト用のロツド１２は、第２図に示す如く非
圧縮状態のコイルスプリング１７により支持され
ており、また該ロツド１２内のロツクピン１５
は、ロツド１２に対し引き上げ位置にあつて、そ
の押圧部１５ａは、ロツド１２下端側の係止部材
１４の絞り当接面１４ｂよりも上方に位置してい
る。尚、係止部材１４の下方には芯材１１の係合
部１１ａが位置している。 Next, while folding the peripheral edge of the skin material 6 inward, the split molds 4, . do. Thereafter, as shown in FIG. 6, the upper mold 2 is placed on the lower mold 1 and the molds are clamped. At this time, the rod 12 for setting the core material is supported by a coil spring 17 in an uncompressed state as shown in FIG.
is in a raised position with respect to the rod 12, and its pressing portion 15a is located above the aperture contact surface 14b of the locking member 14 on the lower end side of the rod 12. Note that the engaging portion 11a of the core member 11 is located below the locking member 14.
続いて、第３図に示す如く鍔部材１６を押して
ロツド２をコイルスプリング１７の付勢力に抗し
て下方に降ろして、係止部材１４の係止部１４ａ
を芯材１１の係合部１１ａに挿入した後、ロツク
ピン１５を押してその下端の押圧部１５ａを係止
部材１４の絞り当接面１４ｂに当接することによ
り、上記係止部材１４の係止部１４ａを拡径して
係合部１１ａに係止させる。この係止状態は第７
図にも示す。続いて鍔部材１６から手を離すと、
ロツド１２は、第４図に示す如く係止部材１４の
係止部１４ａにより芯材１１を係止保持した状態
のままコイルスプリング１７の付勢力によつて上
方に移動して、芯材１１が上型２の型面２ａにセ
ツトされる。尚、ロツクピン１５は、その押圧部
１５ａが係止部材１４の絞り当接面１４ｂに当接
係止されているので、ロツド１２に対して押し下
げられた状態のまま該ロツド１２と共に上方に移
動する。 Subsequently, as shown in FIG. 3, the flange member 16 is pushed to lower the rod 2 downward against the biasing force of the coil spring 17, and the locking portion 14a of the locking member 14 is closed.
is inserted into the engaging portion 11a of the core member 11, and then the locking portion of the locking member 14 is inserted by pressing the lock pin 15 and bringing the pressing portion 15a at the lower end into contact with the aperture contact surface 14b of the locking member 14. 14a is expanded in diameter and engaged with the engaging portion 11a. This locked state is the seventh
Also shown in the figure. Then, when you release your hand from the collar member 16,
As shown in FIG. 4, the rod 12 is moved upward by the urging force of the coil spring 17 while retaining the core member 11 by the locking portion 14a of the locking member 14, and the core member 11 is moved upward by the urging force of the coil spring 17. It is set on the mold surface 2a of the upper mold 2. Furthermore, since the pressing portion 15a of the lock pin 15 is held in contact with the aperture abutting surface 14b of the locking member 14, the lock pin 15 moves upward together with the rod 12 while being pressed down relative to the rod 12. .
しかる後、上型２の注入口９からウレタン樹脂
原料を上型２と下型１との間のキヤビテイ８内に
注入して、発泡させることにより、第１図に示す
如く表皮材６および芯材１１と一体にウレタン樹
脂７が発泡成形されることになる。 Thereafter, the urethane resin raw material is injected into the cavity 8 between the upper mold 2 and the lower mold 1 from the injection port 9 of the upper mold 2 and foamed, thereby forming the skin material 6 and the core as shown in FIG. The urethane resin 7 is foam-molded integrally with the material 11.
尚、上記実施例のウレタン一体発泡型Ａでは、
下型１の開口３周縁部を割型４，……により構成
し、該割型４，……を開いて開口３よりも大きな
芯材１１を下型１内に挿入配置するようにした
が、芯材１１が下型１の開口３よりも大きくても
該芯材１１を傾けることによつて開口３から下型
１内に挿入配置することができる場合、本考案の
ウレタン一体発泡型としては、下型１の開口３周
縁部を必ずしも割型４，……により構成する必要
はない。 In addition, in the urethane integrally foamed type A of the above example,
The periphery of the opening 3 of the lower mold 1 is constituted by split molds 4, . . . , and the split molds 4, . If the core material 11 is larger than the opening 3 of the lower mold 1 but can be inserted into the lower mold 1 through the opening 3 by tilting the core material 11, the urethane integral foam mold of the present invention may be used. In this case, the peripheral edge of the opening 3 of the lower mold 1 does not necessarily need to be formed by the split molds 4, . . . .
また、本考案は、上記実施例に限定されるもの
ではなく、その他種々の変形例を包含するもので
ある。例えば、上記実施例では、ロツド１２の下
端部に、芯材１１の係合部１１ａに係止可能な係
止部１４ａを有する係止部材１４を別個に設けた
が、上記係止部１４ａをロツド１２下端に一体に
設けてもよい。また、この係止部１４ａとして
は、実施例の如く拡径して芯材１１に係止する構
造に限らず、その他従来公知の係止構造を用いて
もよい。要は、上型２に、下端に芯材１１に係止
可能な係止部１４ａを有するロツド１２を上下方
向にスライド可能に設ければよいのである。 Further, the present invention is not limited to the above embodiments, but includes various other modifications. For example, in the above embodiment, the locking member 14 having the locking portion 14a that can be locked to the engaging portion 11a of the core member 11 is separately provided at the lower end of the rod 12. It may also be provided integrally at the lower end of the rod 12. Further, the locking portion 14a is not limited to the structure in which the diameter is enlarged and locks to the core material 11 as in the embodiment, but other conventionally known locking structures may be used. The point is that the rod 12, which has a locking portion 14a at its lower end that can be locked to the core material 11, is provided on the upper mold 2 so as to be slidable in the vertical direction.
（考案の効果）
以上の如く、本考案のウレタン一体発泡型によ
れば、芯材が大きくても下型内に挿入配置できる
限り型締め後に該芯材を上型に容易にセツトする
ことができるので、芯材と一体のウレタン発泡を
大型の芯材にまで適用することができ、汎用性に
優れたものである。(Effects of the invention) As described above, according to the urethane integrally foamed mold of the invention, even if the core material is large, as long as it can be inserted into the lower mold, the core material can be easily set in the upper mold after mold clamping. Therefore, urethane foaming integrated with the core material can be applied to large core materials, and is highly versatile.
図面は本考案の実施例を示すもので、第１図は
ウレタン一体発泡型の縦断面図、第２図、第３図
および第４図はロツド配設付近の構造を該ロツド
の作動状態順序に従つて示す拡大断面図であり、
第５図、第６図および第７図はウレタン一体発泡
型により発泡成形する場合の製造手順を説明する
ための断面図である。
Ａ……ウレタン一体発泡型、２……上型、７…
…ウレタン樹脂、１１……芯材、１２……ロツ
ド、１４ａ……係止部。
The drawings show an embodiment of the present invention, and Fig. 1 is a vertical cross-sectional view of the urethane integrally foamed type, and Figs. 2, 3, and 4 show the structure near the rod arrangement and the sequence of operating states of the rod. It is an enlarged sectional view shown according to
FIG. 5, FIG. 6, and FIG. 7 are cross-sectional views for explaining the manufacturing procedure in the case of foam molding using a urethane integral foam mold. A... Urethane integral foam type, 2... Upper mold, 7...
... Urethane resin, 11 ... Core material, 12 ... Rod, 14a ... Locking part.
Claims (1)
ン樹脂を発泡させるウレタン一体発泡型におい
て、上記上型には、下端に芯材に対し係止可能な
係止部を有するロツドが上下方向にスライド可能
に設けられていることを特徴とするウレタン一体
発泡型。 In the urethane integral foaming type, in which a core material is set in an upper mold and a urethane resin is foamed together with the core material, the upper mold has a rod having a locking part that can be locked to the core material at the lower end. An integrally foamed urethane type that is characterized by being able to slide in any direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168269U JPH042007Y2 (en) | 1987-11-02 | 1987-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168269U JPH042007Y2 (en) | 1987-11-02 | 1987-11-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0172311U JPH0172311U (en) | 1989-05-16 |
| JPH042007Y2 true JPH042007Y2 (en) | 1992-01-23 |
Family
ID=31457300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987168269U Expired JPH042007Y2 (en) | 1987-11-02 | 1987-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042007Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006068915A (en) * | 2004-08-31 | 2006-03-16 | T S Tec Kk | Molding equipment of trim material for vehicle |
| JP5881281B2 (en) * | 2010-09-03 | 2016-03-09 | 株式会社ブリヂストン | Foam molded body mounting member, foam molded member, foam molded member manufacturing method, and foam molded member mounting structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5354968U (en) * | 1976-10-14 | 1978-05-11 |
-
1987
- 1987-11-02 JP JP1987168269U patent/JPH042007Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0172311U (en) | 1989-05-16 |
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