JPH0677951B2 - Parabolic antenna injection mold - Google Patents
Parabolic antenna injection moldInfo
- Publication number
- JPH0677951B2 JPH0677951B2 JP2150675A JP15067590A JPH0677951B2 JP H0677951 B2 JPH0677951 B2 JP H0677951B2 JP 2150675 A JP2150675 A JP 2150675A JP 15067590 A JP15067590 A JP 15067590A JP H0677951 B2 JPH0677951 B2 JP H0677951B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- mold plate
- fixed
- movable
- metal mesh
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3456—Antennas, e.g. radomes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Aerials With Secondary Devices (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】 （イ）産業上の利用分野 この発明はパラボラアンテナ射出成形用金型に関し、さ
らに詳しくは、衛星放送の受信などに用いられるパラボ
ラアンテナをプラスチック射出成形により製造するため
のパラボラアンテナ射出成形用金型に関するものであ
る。TECHNICAL FIELD The present invention relates to a mold for injection molding of a parabolic antenna, and more specifically, to manufacturing a parabolic antenna used for receiving satellite broadcasting by plastic injection molding. The present invention relates to a mold for injection molding a parabolic antenna.
（ロ）従来の技術 従来、衛星放送の受信などに用いられるパラボラアンテ
ナとしては、所定の放物面を形成したプラスチック板の
表面に導電性塗料を塗布したり金属箔をラミネートした
りしたもの、所定の放物面を有するプラスチック板に金
属メッシュを埋め込んだものなどが用いられている。こ
れらのパラボラアンテナのうち、耐久性、電波反射性
能、コストなどを考慮した場合、所定の放物面を有する
プラスチック板に金属メッシュを埋め込んだものが好ま
しい。(B) Conventional technology Conventionally, as a parabolic antenna used for reception of satellite broadcasting, a plastic plate having a predetermined paraboloid is coated with a conductive paint or laminated with a metal foil, For example, a plastic plate having a predetermined paraboloid in which a metal mesh is embedded is used. Among these parabolic antennas, in consideration of durability, radio wave reflection performance, cost, etc., it is preferable to embed a metal mesh in a plastic plate having a predetermined paraboloid.
このような理由から、パラボラアンテナは、所定の放物
面を有するプラスチック板に金属メッシュを埋め込んだ
ものが通常、プラスチックの射出成形によりつくられ
る。For this reason, the parabolic antenna is usually made by injection-molding a plastic in which a metal plate is embedded in a plastic plate having a predetermined paraboloid.
この場合の射出成形用の金型としては第９図および第10
図に示すような横置式金型51が知られている。すなわ
ち、水平式射出成形機のノズル52側に固定側型板53を配
設し、この固定側型板53に対向してその横に可動側型板
54を配設し、可動側型板54を水平往復移動させるものが
知られている。The injection mold in this case is shown in FIGS. 9 and 10.
A horizontal die 51 as shown in the figure is known. That is, the fixed-side template 53 is arranged on the nozzle 52 side of the horizontal injection molding machine, and the movable-side template 53 is arranged next to the fixed-side template 53 facing the fixed-side template 53.
It is known that 54 is provided and the movable side mold plate 54 is horizontally reciprocated.
この種の金型51は次のようにして用いられる。すなわ
ち、第９図に示すように、金型51の上方で回転可能に支
持され、埋め込み用の金属メッシュ55が巻き付けられた
金属メッシュ供給ローラ56から所定長さの金属メッシュ
55を引き出す。そして、この金属メッシュ55を固定側型
板53と可動側型板54との間に垂下状に配する。This type of mold 51 is used as follows. That is, as shown in FIG. 9, a metal mesh supply roller 56 rotatably supported above the mold 51 and around which a metal mesh 55 for embedding is wound is fed from a metal mesh of a predetermined length.
Pull out 55. Then, the metal mesh 55 is disposed between the fixed-side mold plate 53 and the movable-side mold plate 54 in a hanging shape.
ついで、第10図に示すように両型板53・54をはめ合わせ
て型締めを行う。この時、金属メッシュ55は図示しない
カッターにより切断される。型締めの後、射出成形機で
加熱溶融させたプラスチック成形材料をノズル52からキ
ャビティ57へ射出充填する。その後、保圧、冷却、型開
き、製品取り出しが行われる。Then, as shown in FIG. 10, both mold plates 53 and 54 are fitted together to perform mold clamping. At this time, the metal mesh 55 is cut by a cutter (not shown). After the mold is clamped, a plastic molding material heated and melted by an injection molding machine is injected and filled into the cavity 57 from the nozzle 52. Thereafter, pressure holding, cooling, mold opening, and product removal are performed.
（ハ）発明が解決しようとする課題 上記のような金型51を用いてパラボラアンテナを成形す
ると、第11図に示すように、型締め状態において金属メ
ッシュ55が両型板53・54におけるキャビティ面部に各コ
ーナー部に引っかかった状態でキャビティ57内に配され
る。このため、可動側型板54のキャビティ面部を所定の
放物面に設計していても、金属メッシュ55はその所定放
物面よりも大きな曲率となった状態で埋め込まれる。(C) Problems to be Solved by the Invention When a parabolic antenna is molded by using the mold 51 as described above, as shown in FIG. 11, the metal mesh 55 forms a cavity in both mold plates 53 and 54 in a mold clamped state. It is arranged in the cavity 57 in a state of being caught by each corner portion on the surface portion. Therefore, even if the cavity surface portion of the movable side mold plate 54 is designed to have a predetermined parabolic surface, the metal mesh 55 is embedded with a curvature larger than that of the predetermined parabolic surface.
その結果、成形されたパラボラアンテナは所定の電波反
射面が形成されていないため電波集束性が良好でなく、
受信性能が充分でないという問題があった。As a result, the molded parabolic antenna does not have a good radio wave focusing property because the predetermined radio wave reflection surface is not formed,
There was a problem that the reception performance was not sufficient.
（ニ）課題を解決するための手段およびその作用 この発明は、水平式射出成形機のノズル側に配置される
固定側型板と、この固定側型板に対向してその横に配置
される可動側型板とを備えたパラボラアンテナ射出成形
用金型であって、固定側型板の対向面側の一部に、固定
側型板のキャビティ面をなすとともに水平方向へ往復移
動可能であり、型締め状態において、埋め込み用の金属
メッシュを両型板で挟んだ後に可動側型板側へ水平移動
して金属メッシュを可動側型板のキャビティ面に押し付
け、ついで固定側型板側へ水平移動して所定のキャビテ
ィを形成しうる可動部が設けられており、固定側型板と
可動側型板とにより形成されるキャビティの上下左右の
いずれか一方、上下両方または左右両方に、これらの型
板が型締め状態にあるときに金属メッシュが移動可能と
なる隙間が設けられているパラボラアンテナ射出成形用
金型である。(D) Means for Solving the Problem and Its Action According to the present invention, a fixed-side mold plate is arranged on the nozzle side of a horizontal injection molding machine, and the fixed-side mold plate is arranged next to the fixed-side mold plate. A parabolic antenna injection molding die having a movable side template, which is a cavity surface of the fixed side template in a part of the facing surface side of the fixed side template and is capable of reciprocating horizontally. In the mold clamped state, the metal mesh for embedding is sandwiched between both mold plates, and then horizontally moved to the movable mold plate side to press the metal mesh against the cavity surface of the movable mold plate, and then horizontally to the fixed mold plate side. A movable part that can move to form a predetermined cavity is provided, and the cavity formed by the fixed-side mold plate and the movable-side mold plate is either vertically or horizontally, vertically or horizontally, or both of these. When the template is clamped It is a mold for injection molding a parabolic antenna in which a gap is provided so that the metal mesh can be moved.
ここで金属メッシュとしては、たとえばしんちゅうメッ
シュ、アルミニウムメッシュ、銅メッシュなどが用いら
れる。また、固定側型板の対向面側の一部に設けられる
可動部の移動幅は、製品となるパラボラアンテナの厚
さ、成形材料の種類、金属メッシュの厚さなどを考慮し
て適宜、定められる。Here, as the metal mesh, for example, brass mesh, aluminum mesh, copper mesh or the like is used. In addition, the moving width of the movable part provided on a part of the facing surface side of the fixed-side template is appropriately determined in consideration of the thickness of the parabolic antenna to be the product, the type of molding material, the thickness of the metal mesh, etc. To be
かくして、このパラボラアンテナ射出成形用金型によれ
ば、上記可動部を移動させて、まず金属メッシュを可動
側型板のキャビティ面に密着させ、その後所定のキャビ
ティを形成した後に射出成形が行われる。したがって、
パラボラアンテナ本体の所定の放物面に沿って金属メッ
シュを配設することが可能になる。Thus, according to this parabolic antenna injection molding die, the movable part is moved to first bring the metal mesh into close contact with the cavity surface of the movable side mold plate, and then the predetermined cavity is formed, and then the injection molding is performed. . Therefore,
It becomes possible to arrange the metal mesh along a predetermined parabolic surface of the parabolic antenna body.
また、この発明のパラボラアンテナ射出成形用金型にお
いては、固定側型板と可動側型板とにより形成されるキ
ャビティの上下左右のいずれか一方、上下両方または左
右両方に、これらの型板が型締め状態にあるときに金属
メッシュが移動可能となる隙間が設けられている。この
ような隙間により、可動部を移動させて金属メッシュを
可動側型板のキャビティ面に密着させる際の金属メッシ
ュの破損、偏った広がりなどを防止することが可能にな
る。Further, in the parabolic antenna injection molding die of the present invention, these mold plates are provided on one of the upper, lower, left, and right sides of the cavity formed by the fixed-side mold plate and the movable-side mold plate, and both upper and lower sides or both sides. There is a gap that allows the metal mesh to move when in the mold clamped state. Due to such a gap, it is possible to prevent the metal mesh from being damaged or unevenly spread when the movable part is moved to bring the metal mesh into close contact with the cavity surface of the movable-side template.
（ホ）実施例 以下、図に示す１実施例に基づいてこの発明を詳述す
る。なお、この発明はこれによって限定されるものでは
ない。(E) Embodiment Hereinafter, the present invention will be described in detail based on one embodiment shown in the drawings. The present invention is not limited to this.
第１図において、横置式のパラボラアンテナ射出成形用
金型１は、水平式射出成形機のノズル２側に配置される
固定側型板３と、この固定側型板３に対向してその左横
に配置される可動側型板４とを備えている。この金型１
の上方には、回転可能に支持され、パラボラアンテナ埋
め込み用の金属メッシュとしてのしんちゅうメッシュ５
が巻き付けられた金属メッシュ供給ローラ６が配設され
ている。In FIG. 1, a horizontal parabolic antenna injection molding die 1 includes a fixed side mold plate 3 disposed on the nozzle 2 side of a horizontal injection molding machine, and a left side of the fixed side mold plate 3 facing the fixed side mold plate 3. It has a movable side mold plate 4 arranged laterally. This mold 1
The brass mesh 5 is rotatably supported above and is used as a metal mesh for embedding a parabolic antenna.
A metal mesh supply roller 6 around which is wound is arranged.
この金属メッシュ供給ローラ６に巻き付けられたしんち
ゅうメッシュ５は、第２図にも示されているが、厚さが
0.3mm、メッシュ間隔が縦・横とも0.9mm、幅が60cmであ
る。The brass mesh 5 wound around the metal mesh supply roller 6 has a thickness as shown in FIG.
0.3 mm, the mesh interval is 0.9 mm in both length and width, and the width is 60 cm.
固定側型板３は第３図に示すように正面形状が縦長長方
形である。そして、その中央部には正面形状が縦長長方
形である可動部3aが設けられている。この可動部3aは固
定側型板３の対向面側に設けられており、固定側型板３
のキャビティ面をなすとともに、４本の油圧ピストン７
により４本のガイド棒８に沿って水平方向へ往復移動可
能とされている。その往復移動幅は10mmに設定されてい
る。As shown in FIG. 3, the fixed side template 3 has a vertically long rectangular front shape. A movable portion 3a having a vertically long rectangular front shape is provided at the center of the movable portion 3a. The movable part 3a is provided on the side of the fixed-side template 3 facing the fixed-side template 3,
And the four hydraulic pistons 7
Thus, it is possible to reciprocate in the horizontal direction along the four guide bars 8. Its reciprocating width is set to 10 mm.
可動部3aには、正面形状が縦長楕円形であり長径60.0c
m、短径50.0cmの凹状放物面部が設けられ、その放物面
部が固定側型板３のキャビティ面部3bとされている。こ
のキャビティ面部3bの曲率は、第４図に示す最終製品と
してのパラボラアンテナＰの曲率を考慮して定められて
いる。The movable part 3a has a vertically elongated elliptical shape with a long diameter of 60.0c.
A concave parabolic surface portion having a length m and a short diameter of 50.0 cm is provided, and the parabolic surface portion serves as a cavity surface portion 3b of the stationary mold plate 3. The curvature of the cavity surface portion 3b is determined in consideration of the curvature of the parabolic antenna P as the final product shown in FIG.
一方、可動側型板４の対向面側には、固定側型板３のキ
ャビティ面部3bに対応する放物面を形成する凸状のキャ
ビティ面部4bが設けられている。On the other hand, a convex cavity surface portion 4b forming a parabolic surface corresponding to the cavity surface portion 3b of the fixed side template 3 is provided on the opposing surface side of the movable side template 4.
以下、この金型１の使用方法について説明する。第１図
に示すように、まず、固定側型板３および可動側型板４
を所定距離だけ離し、両型板３・４の間に金属メッシュ
供給ローラ６から引き出したしんちゅうメッシュ５を垂
下状に配する。ついで、第５図に示すように両型板３・
４をはめ合わせて型締めを行う。この時、しんちゅうメ
ッシュ５は図示しないカッターにより長さ100cmで切断
される。Hereinafter, a method of using the mold 1 will be described. As shown in FIG. 1, first, the fixed side mold plate 3 and the movable side mold plate 4 are
Are separated by a predetermined distance, and the brass mesh 5 drawn from the metal mesh supply roller 6 is hung between the mold plates 3 and 4. Then, as shown in FIG.
Fit 4 and clamp. At this time, the brass mesh 5 is cut to a length of 100 cm by a cutter (not shown).
型締めされた状態では両型板３・４によってキャビティ
９が形成されている。また金型１には、キャビティ９の
上下両方に、しんちゅうメッシュ５が上下へ移動可能と
なる隙間10・10が設けられている。そして、しんちゅう
メッシュ５は両型板３・４におけるキャビティ面部3b・
4bの各コーナー部に引っかかった状態でキャビティ９内
に配されている。In the mold clamped state, the cavity 9 is formed by both mold plates 3 and 4. Further, the mold 1 is provided with gaps 10 10 above and below the cavity 9 so that the brass mesh 5 can move up and down. The brass mesh 5 is the cavity surface part 3b of both mold plates 3 and 4.
It is arranged in the cavity 9 in a state of being caught at each corner of 4b.
型締め操作の後、固定側型板３の可動部3aを可動側型板
４側へ水平移動させて、しんちゅうメッシュ５を可動側
型板４のキャビティ面部4bに押し付ける（第６図参
照）。すると、しんちゅうメッシュ５は、隙間10・10の
存在により破損することなく、設定された曲率に塑性変
形される。After the mold clamping operation, the movable part 3a of the stationary mold plate 3 is horizontally moved to the movable mold plate 4 side, and the brass mesh 5 is pressed against the cavity surface part 4b of the movable mold plate 4 (see FIG. 6). . Then, the brass mesh 5 is plastically deformed to the set curvature without being damaged by the existence of the gaps 10.10.
次に、第７図に示すように、固定側型板３の可動部3aを
固定側型板３側へ水平移動させる。これにより、金型１
には所定のキャビティ９が形成される。この場合の金型
１としんちゅうメッシュ５との関係を第８図に詳細に示
す。Next, as shown in FIG. 7, the movable portion 3a of the stationary mold plate 3 is horizontally moved to the stationary mold plate 3 side. This makes the mold 1
A predetermined cavity 9 is formed in the. The relationship between the mold 1 and the brass mesh 5 in this case is shown in detail in FIG.
その後、射出成形機で加熱溶融させたガラス繊維強化ポ
リプロピレン樹脂をノズル２からキャビティ９へ射出充
填する。そして、15秒間の保圧、30秒間の冷却を経た
後、型開きをして製品を取り出す。After that, the glass fiber reinforced polypropylene resin heated and melted by the injection molding machine is injected and filled from the nozzle 2 into the cavity 9. Then, after holding pressure for 15 seconds and cooling for 30 seconds, the mold is opened and the product is taken out.
かくして、このパラボラアンテナ射出成形型用金型１に
よれば、固定側型板３の可動部3aがしんちゅうメッシュ
５を可動側型板４のキャビティ面部4bに密着させて所定
のキャビティを形成した後に射出成形が行われる。した
がって、パラボラアンテナ本体の所定の放物面に沿って
しんちゅうメッシュ５を配設することが可能になる。Thus, according to the parabolic antenna injection molding die 1, the movable portion 3a of the fixed-side mold plate 3 closely contacts the brass mesh 5 with the cavity surface portion 4b of the movable-side mold plate 4 to form a predetermined cavity. Injection molding is performed later. Therefore, it becomes possible to arrange the brass mesh 5 along a predetermined paraboloid of the parabolic antenna body.
その結果、この金型１によりつくられた最終製品のパラ
ボラアンテナＰは、所定の電波反射面が形成されている
ため、従来のパラボラアンテナよりも電波集束性が良好
であり、受信性能が高くなっている。As a result, since the parabolic antenna P of the final product made by the mold 1 has a predetermined radio wave reflecting surface, the radio wave converging property is better than that of the conventional parabolic antenna and the receiving performance is high. ing.
（ヘ）発明の効果 この発明のパラボラアンテナ射出成形用金型によれば、
電波集束性が良好であり、受信性能が高いパラボラアン
テナをつくることが可能になる。また、固定側型板およ
び可動側型板が型締め状態にあるときに金属メッシュが
移動可能となる隙間が設けられているので、可動部を移
動させて金属メッシュを可動側型板のキャビティ面に密
着させる際の金属メッシュの破損、偏った広がりなどを
防止することが可能になる。(F) Effects of the Invention According to the parabolic antenna injection molding die of the present invention,
It is possible to create a parabolic antenna that has good radio wave focusing and high reception performance. Further, since a gap is provided so that the metal mesh can move when the fixed-side mold plate and the movable-side mold plate are in the mold clamping state, the movable part is moved to move the metal mesh to the cavity surface of the movable-side mold plate. It is possible to prevent the metal mesh from being damaged and unevenly spread when it is brought into close contact with.
第１図〜第８図はこの発明の１実施例を示す。すなわ
ち、第１図は型締め前における金型の構成説明図、第２
図は金属メッシュが巻き付けられた金属メッシュ供給ロ
ーラの斜視図、第３図は金型を構成する固定側型板の正
面図、第４図は金型によりつくられるパラボラアンテナ
の斜視図、第５図は型締め時の初期における金型の構成
説明図、第６図は型締め時の中期における金型の構成説
明図、第７図は型締め時の終期における金型の構成説明
図、第８図は第７図の一部を拡大した構成説明図であ
る。 第９図〜第11図は従来例を示す。すなわち、第９図は型
締め前における金型の構成説明図、第10図は型締め時に
おける金型の構成説明図、第11図は第10図の一部を拡大
した構成説明図である。 １……金型、 ２……ノズル、 ３……固定側型板、 3a……可動部、 3b……キャビティ面部、 ４……可動側型板、 4b……キャビティ面部、 ５……しんちゅうメッシュ（金属メッシュ）、 ６……金属メッシュ供給ローラ、 ７……油圧ピストン、 ８……ガイド棒、 ９……キャビティ、 10……隙間。1 to 8 show an embodiment of the present invention. That is, FIG. 1 is a structural explanatory view of a mold before mold clamping, and FIG.
FIG. 3 is a perspective view of a metal mesh supply roller around which a metal mesh is wound, FIG. 3 is a front view of a fixed-side mold plate constituting a mold, and FIG. 4 is a perspective view of a parabolic antenna formed by the mold. FIG. 6 is an explanatory view of the structure of the mold at the initial stage of the mold clamping, FIG. 6 is a structural explanatory view of the mold at the middle stage of the mold clamping, and FIG. 7 is a structural explanatory view of the mold at the final stage of the mold clamping. FIG. 8 is an explanatory view of the configuration in which a part of FIG. 7 is enlarged. 9 to 11 show a conventional example. That is, FIG. 9 is a structural explanatory view of the mold before clamping, FIG. 10 is a structural explanatory view of the mold during clamping, and FIG. 11 is a partially enlarged structural explanatory view of FIG. . 1 ... Mold, 2 ... Nozzle, 3 ... Fixed-side mold plate, 3a ... Movable part, 3b ... Cavity surface part, 4 ... Movable-side mold plate, 4b ... Cavity surface part, 5 ... Brass Mesh (metal mesh), 6 ... Metal mesh supply roller, 7 ... Hydraulic piston, 8 ... Guide rod, 9 ... Cavity, 10 ... Gap.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 白井 啓次 大阪府大阪市淀川区十八条３丁目14番17号 三国プラスチックス株式会社内 (72)発明者 若林 醇俊 大阪府大阪市北区芝田２丁目７番18号 淀 川産業株式会社内 (72)発明者 堀田 博 大阪府大阪市中央区安土町２丁目３番13号 ポリプラスチックス株式会社内 (72)発明者 名田 正彦 大阪府豊中市原田中１丁目２番16号 株式 会社東精密金型製作所内 (56)参考文献 特公 昭61−43169（ＪＰ，Ｂ２) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Keiji Shirai, Inventor Keiji Shirai, Mikuni Plastics Co., Ltd., 3-chome 14-17, Yodogawa-ku, Osaka-shi, Osaka (72) Inventor, Ritoshi Wakabayashi Shibata, Kita-ku, Osaka-shi, Osaka 2-7-18 Yodogawa Sangyo Co., Ltd. (72) Inventor Hirota Hotta 2-33-1 Azuchi-cho, Chuo-ku, Osaka City, Osaka Prefecture Polyplastics Co., Ltd. (72) Inventor Masahiko Nada, Toyonaka, Osaka Prefecture 1-2-16, Ichihara Tanaka, Tosei Seimitsu Mold Mfg. Co., Ltd. (56) References Japanese Patent Publication No. 61-43169 (JP, B2)
Claims (1)
固定側型板と、この固定側型板に対向してその横に配置
される可動側型板とを備えたパラボラアンテナ射出成形
用金型であって、 固定側型板の対向面側の一部に、固定側型板のキャビテ
ィ面をなすとともに水平方向へ往復移動可能であり、型
締め状態において、埋め込み用の金属メッシュを両型板
で挟んだ後に可動側型板側へ水平移動して金属メッシュ
を可動側型板のキャビティ面に押し付け、ついで固定側
型板側へ水平移動して所定のキャビティを形成しうる可
動部が設けられており、 固定側型板と可動側型板とにより形成されるキャビティ
の上下左右のいずれか一方、上下両方または左右両方
に、これらの型板が型締め状態にあるときに金属メッシ
ュが移動可能となる隙間が設けられているパラボラアン
テナ射出成形用金型。1. A parabolic antenna injection molding provided with a fixed-side mold plate arranged on the nozzle side of a horizontal injection molding machine, and a movable-side mold plate arranged opposite to and fixed to the fixed-side mold plate. It is a metal mold for forming a cavity surface of the fixed-side mold plate and is capable of reciprocating in the horizontal direction on a part of the facing surface side of the fixed-side mold plate. After sandwiching between both mold plates, it moves horizontally to the movable mold plate side to press the metal mesh against the cavity surface of the movable mold plate, and then moves horizontally to the fixed mold plate side to form a predetermined cavity. Are provided, and the metal mesh is placed on the upper, lower, left, or right of the cavity formed by the fixed-side mold plate and the movable-side mold plate, and both the upper, lower, left, and right mold plates when the mold plates are clamped. There is a gap that allows Dish injection mold being.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2150675A JPH0677951B2 (en) | 1990-06-07 | 1990-06-07 | Parabolic antenna injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2150675A JPH0677951B2 (en) | 1990-06-07 | 1990-06-07 | Parabolic antenna injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0441216A JPH0441216A (en) | 1992-02-12 |
| JPH0677951B2 true JPH0677951B2 (en) | 1994-10-05 |
Family
ID=15502017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2150675A Expired - Lifetime JPH0677951B2 (en) | 1990-06-07 | 1990-06-07 | Parabolic antenna injection mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0677951B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109571816A (en) * | 2018-10-19 | 2019-04-05 | 上海复合材料科技有限公司 | Split type reflecting surface is glued assembling die |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6291369B1 (en) * | 1998-04-08 | 2001-09-18 | Dai Nippon Printing Co., Ltd. | Resin molding |
| FR2784804B1 (en) * | 1998-10-16 | 2001-06-29 | Transformation Ind De Matieres | ANTENNA WITH WIRES COATED WITH A LAYER OF THERMOPLASTIC MATERIAL |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6143169A (en) * | 1984-08-06 | 1986-03-01 | Kanebo Ltd | Production of 2-chlorobenzimidazole derivative |
-
1990
- 1990-06-07 JP JP2150675A patent/JPH0677951B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109571816A (en) * | 2018-10-19 | 2019-04-05 | 上海复合材料科技有限公司 | Split type reflecting surface is glued assembling die |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0441216A (en) | 1992-02-12 |
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