JPH0114004B2 - - Google Patents
Info
- Publication number
- JPH0114004B2 JPH0114004B2 JP58029506A JP2950683A JPH0114004B2 JP H0114004 B2 JPH0114004 B2 JP H0114004B2 JP 58029506 A JP58029506 A JP 58029506A JP 2950683 A JP2950683 A JP 2950683A JP H0114004 B2 JPH0114004 B2 JP H0114004B2
- Authority
- JP
- Japan
- Prior art keywords
- synthetic resin
- porous thermoplastic
- thermoplastic synthetic
- molding
- armor
- 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
- 229920003002 synthetic resin Polymers 0.000 claims description 37
- 239000000057 synthetic resin Substances 0.000 claims description 37
- 229920001169 thermoplastic Polymers 0.000 claims description 18
- 239000004416 thermosoftening plastic Substances 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 238000000465 moulding Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 8
- 230000001012 protector Effects 0.000 description 6
- 229930182556 Polyacetal Natural products 0.000 description 5
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 5
- 229920006324 polyoxymethylene Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000113 methacrylic resin Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/10—Applying counter-pressure during expanding
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
-
- 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
- B29L2009/00—Layered products
-
- 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
- B29L2031/52—Sports equipment ; Games; Articles for amusement; Toys
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
＜産業上の利用分野＞
この発明はスポーツ及び一般作業に用いる防具
の製造方法に関するものであり、特に２種類の合
成樹脂を積層した状態において加熱することによ
り、一方の合成樹脂のみを加圧変形せしめるよう
にしたものである。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a method for manufacturing protective gear used for sports and general work, and in particular, a method for manufacturing protective equipment for use in sports and general work, and in particular, by heating two types of synthetic resins in a laminated state, one of the Only the synthetic resin is deformed under pressure.
＜従来の技術及びその問題点＞
従来、スポーツや作業用としてそれぞれの用途
に合わせて各種の防具が製造されている。例え
ば、野球の捕手用のプロテクターは、表は皮製で
内部に綿などの詰物が入れてあるものが使用され
ているが、製造工程が複雑であり高価であるのに
対して、衝撃の吸収力が期待する程十分とはいえ
ず、また、柔軟性に欠けるため装着性もよくない
という問題を有している。一方、一般の作業用と
して、ヘルメツト、手袋その他各種の防具がその
作業に合わせて使用されているが、例えば従来の
プラスチツク製ヘルメツトは衝撃吸収力が無いの
で、衝撃を受けた際には大して有効な働きをして
いないのが実情である。<Prior art and its problems> Conventionally, various types of protective gear have been manufactured for different uses, such as sports and work. For example, protectors for baseball catchers are made of leather and have cotton or other stuffing inside, but the manufacturing process is complicated and expensive; The force is not as strong as expected, and the wearability is also poor due to the lack of flexibility. On the other hand, for general work, helmets, gloves, and various other protective gear are used depending on the work, but conventional plastic helmets, for example, do not have shock absorption ability, so they are not very effective in the event of a shock. The reality is that they are not doing their best.
ところで、発泡した合成樹脂を概ねの形状に成
型しておき、これをさらに目的とする製品の形状
に加圧成型する方法、すなわち二次的成型方法
は、例えば特公昭49−2181号公報、特公昭51−
26208号公報及び特開昭55−97934号公報に示され
ているが、これらにおいて用いらている合成樹脂
は、発泡されたものとは言え単体であつて、他の
合成樹脂と接着した上で用いることはされていな
い。このように従来は、２種類の合成樹脂を接着
しれそのうち一方の合成樹脂のみが変形するよう
にする技術は存在しないのみであつた。 By the way, a method in which foamed synthetic resin is molded into a general shape and then pressure molded into the shape of the desired product, that is, a secondary molding method, is described, for example, in Japanese Patent Publication No. 49-2181, Kosho 51-
No. 26208 and Japanese Unexamined Patent Publication No. 55-97934, the synthetic resins used in these are foamed, but they are not foamed, but are made by bonding with other synthetic resins. It has not been used. As described above, conventionally, there has been no technology for bonding two types of synthetic resins such that only one of the synthetic resins deforms.
このことは次のような問題を生じる。例えば前
記特開昭55−97934号公報にも示されているよう
に、一般には単に１種類の材料又は部材を用いる
よりも他の部材と接合して使用することがあり、
この場合、いずれか一方が表となり他方が裏とな
るが、従来の技術としては、それぞれを単独に成
型した後、接合せしめるという技術しか存在しな
かつたため、それぞれの成形時に成型された形状
が完全に合致するように成型しなければならい要
請があり、しかしこれは非常に高度かつ精密性が
要求されるところ、成型後の温度低下による変形
を考慮するとほとんど不可能な技術なのであつ
た。 This causes the following problems. For example, as shown in the above-mentioned Japanese Patent Application Laid-open No. 55-97934, in general, rather than simply using one type of material or member, it may be used in conjunction with other members,
In this case, one side will be the front side and the other side will be the back side, but the only conventional technology was to mold each piece separately and then join them together, so the shape formed during each molding is completely different. However, this required extremely high level of precision and was an almost impossible technique considering the deformation caused by the drop in temperature after molding.
＜問題点を解決するための手段＞
そこでこの発明にかかる防具の製造方法は、前
記の問題点を解決するために、多孔質熱可塑性合
成樹脂とこれよりも変形温度の高い合成樹脂板を
防具適性形状に裁断して接着し、これを多孔質熱
可塑性合成樹脂の変形温度迄加熱するとともに所
望形状の金型により多孔質熱可塑性合成樹脂のみ
を加圧変形せしめるようにして、多孔質熱可塑性
合成樹脂のみを変形せしめて他の合成樹脂は変形
せしめず、したがつて裁断時のままの形状である
ので、成型後の成型精度が向上するようにしたも
のである。<Means for Solving the Problems> Therefore, in order to solve the above-mentioned problems, the method for manufacturing armor according to the present invention uses a porous thermoplastic synthetic resin and a synthetic resin plate with a higher deformation temperature than the armor. The porous thermoplastic synthetic resin is cut into a suitable shape and glued together, heated to the deformation temperature of the porous thermoplastic synthetic resin, and pressurized and deformed only the porous thermoplastic synthetic resin using a mold of the desired shape. Since only the synthetic resin is deformed and the other synthetic resins are not deformed, the shape remains as it was when it was cut, so the molding accuracy after molding is improved.
ここで、多孔質熱可塑性合成樹脂とはポリエチ
レン、ポリプロピレン、塩化ビニル樹脂、メタク
リル樹脂、ポリスチレン、ABS樹脂、ポリカー
ボネート、ポリアセタール、ポリサルホン等を発
泡成型した合成樹脂のことである。また、製造さ
れる防具は多孔質熱可塑性合成樹脂を他の合成樹
脂板等に接着し、多孔質熱可塑性合成樹脂の部分
だけを金型により加圧成型する。 Here, the porous thermoplastic synthetic resin refers to a synthetic resin obtained by foam molding polyethylene, polypropylene, vinyl chloride resin, methacrylic resin, polystyrene, ABS resin, polycarbonate, polyacetal, polysulfone, etc. In addition, the armor to be manufactured is made by bonding a porous thermoplastic synthetic resin to another synthetic resin plate, etc., and press-molding only the porous thermoplastic synthetic resin portion using a mold.
＜実施例＞
次に、この発明にかかる防具の製造方法の一実
施例を、野球の捕手用プロテクターの製造方法に
例をとつて図面に基づいて説明する。まず、第１
図に示すように発泡成型してある塩化ビニルを捕
手のプロテクターの形状に合わせて裁断して緩衝
部材１とし、ポリアセタール板を緩衝部材１より
少し大き目に裁断して基材２とする。そして、こ
の緩衝部材１と基材２を接着剤により接着する。
そして第３図に示すように、これを上方の固定台
３に金型４を配設してあるプレス台５上に基材２
を下にして置き、緩衝部材１を変形可能温度であ
る80℃に加熱する。次に、第４図に示すようにプ
レス台を作動させ、上方へ移動させて緩衝部材１
のみを金型４により加圧成型（変形）する。そし
てこれを冷却すれば第５図に示すようなプロテク
ターとなり、基材２に必要なバンド６を取り付け
れば捕手用のプロテクターが完成するのである。
金型４に冷却水を通水しておけば、緩衝部材１は
加圧されると同時に冷却されるので、瞬時にして
成型することができ成型時間を短縮することがで
きる。ここで、塩化ビニルとポリアセタール板を
接着して使用するのは、発泡成型した塩化ビニル
だけでは強度が不足し変形し易いとともに、バン
ド類を取り付けることができないからである。ポ
リアセタールは塩化ビニルより変形温度が高いの
で両者を同時に加熱してもポリアセタールは変形
せず板状のままであり裁断時の形状のままである
ので所望の形状が確実に成型できるのである。<Example> Next, an example of the method for manufacturing a protective gear according to the present invention will be described based on the drawings, taking as an example a method for manufacturing a protector for a baseball catcher. First, the first
As shown in the figure, foam-molded vinyl chloride is cut to match the shape of a catcher protector to form a buffer member 1, and a polyacetal plate is cut to be slightly larger than the buffer member 1 to form a base material 2. Then, the buffer member 1 and the base material 2 are bonded together using an adhesive.
Then, as shown in FIG.
Place the buffer member 1 face down and heat the buffer member 1 to 80°C, which is the temperature at which it can be deformed. Next, as shown in FIG.
Pressure molding (deformation) is performed using a mold 4. When this is cooled, it becomes a protector as shown in FIG. 5, and by attaching the necessary band 6 to the base material 2, a catcher's protector is completed.
If cooling water is passed through the mold 4, the buffer member 1 is cooled at the same time as it is pressurized, so that it can be molded instantly and the molding time can be shortened. The reason why vinyl chloride and polyacetal plates are bonded together is that foam-molded vinyl chloride alone lacks strength and is easily deformed, and it is not possible to attach bands. Polyacetal has a higher deformation temperature than vinyl chloride, so even if both are heated at the same time, polyacetal will not deform and will remain plate-like and will remain in the shape it was cut, so the desired shape can be reliably molded.
多孔質熱可塑性合成樹脂に他の合成樹脂板を併
用する場合には、使用する多孔質熱可塑性合成樹
脂より変形温度の高い熱可塑性合成樹脂又は熱硬
化性合成樹脂なら、一緒に使用することが可能で
あり、それだけ種々の防具が製造可能となるので
ある。その場合にも多孔質熱可塑性合成樹脂のみ
が成型されるだけであり、基材２の部分は変形し
ないで裁断時のままの形状であるので、成型後の
成型精度が向上するとともに、射出成型のように
バリの発生がないので成型後の仕上が簡単であ
る。また、使用する合成樹脂板を適当な色の物を
使用すれば、外観面でも従来のものに比しカラフ
ルできれいなものとなるとともに、例えば作業用
のヘルメツトを製造する場合には強度に応じて色
分けしておけば使用上便利である。また、使用合
成樹脂を適当に選べばウインドサーフイン用の救
命具兼用の防具や、屋外作業用の防水衣兼用の防
具なども製造可能である。 When using other synthetic resin plates together with porous thermoplastic synthetic resin, it is possible to use them together if the thermoplastic synthetic resin or thermosetting synthetic resin has a higher deformation temperature than the porous thermoplastic synthetic resin used. This makes it possible to manufacture a wide variety of armor. Even in that case, only the porous thermoplastic synthetic resin is molded, and the base material 2 remains in the same shape as when it was cut without being deformed, so the molding accuracy after molding is improved, and injection molding As there is no burr, finishing after molding is easy. In addition, if the synthetic resin board used is of an appropriate color, the appearance will be more colorful and beautiful than conventional ones. It is convenient to use if they are color coded. Furthermore, if the synthetic resin used is appropriately selected, it is possible to manufacture protective gear that doubles as a life preserver for windsurfing, and protective gear that doubles as waterproof clothing for outdoor work.
＜発明の効果＞
以上のように、この発明にかかる防具の製造方
法によれば、多孔質熱可塑性合成樹脂とこれより
も変形温度の高い合成樹脂板を防具適性形状に裁
断して接着し、これを多孔質熱可塑性合成樹脂の
変形温度迄加熱するとともに所望形状の金型によ
り多孔質熱可塑性合成樹脂のみを加圧変形せしめ
るようにしてあるので、多孔質熱可塑性合成樹脂
のみを変形せしめて他の合成樹脂は変形せしめ
ず、したがつて裁断時のままの形状であるので、
成型後の成型精度が向上するとともに、従来の防
具に比しその製造工程が簡単であり大量生産が可
能であるとともに防具の軽量化が図れ、大型のも
のでも簡単に成型でき種々の用途に応じた防具を
製造できるという効果を有するのである。<Effects of the Invention> As described above, according to the method for manufacturing armor according to the present invention, a porous thermoplastic synthetic resin and a synthetic resin plate with a higher deformation temperature are cut into a shape suitable for armor and bonded together, This is heated to the deformation temperature of the porous thermoplastic synthetic resin, and only the porous thermoplastic synthetic resin is deformed under pressure using a mold of a desired shape, so that only the porous thermoplastic synthetic resin is deformed. Other synthetic resins do not deform and therefore retain the same shape when cut.
In addition to improving the molding accuracy after molding, the manufacturing process is simpler than conventional armor, making mass production possible, making the armor lighter, and even large items can be easily molded to suit various uses. This has the effect of making it possible to manufacture protective gear.
図面はこの発明にかかる防具の製造方法の一実
施例を示したものであり、第１図は緩衝部材と基
材を重ね合わせた状態を示す平面図、第２図は第
１図のＡ−Ａ線断面図、第３図はプレス台に緩衝
部材と基材を置いた状態を示す正面図、第４図は
加圧成型時の状態を示す正面図、第５図はプロテ
クターの完成状態を示す平面図、第６図は第５図
のＢ−Ｂ線断面図である。
１……緩衝部材、２……基材、３……固定台、
４……金型、５……プレス台、６……バンド。
The drawings show an embodiment of the method for manufacturing armor according to the present invention, and FIG. 1 is a plan view showing a state in which a cushioning member and a base material are overlapped, and FIG. 3 is a front view showing the state where the cushioning member and base material are placed on the press table, FIG. 4 is a front view showing the state during pressure molding, and FIG. 5 is the completed state of the protector. The plan view shown in FIG. 6 is a sectional view taken along the line B--B in FIG. 5. 1...Buffer member, 2...Base material, 3...Fixing base,
4...Mold, 5...Press stand, 6...Band.
Claims (1)
度の高い合成樹脂板を防具適性形状に裁断して接
着し、これを多孔質熱可塑性合成樹脂の変形温度
迄加熱するとともに所望形状の金型により多孔質
熱可塑性合成樹脂のみを加圧変形せしめるように
したことを特徴とする防具の製造方法。1 A porous thermoplastic synthetic resin and a synthetic resin plate with a higher deformation temperature are cut into a shape suitable for armor and glued together, heated to the deformation temperature of the porous thermoplastic synthetic resin, and molded into a mold of the desired shape. A method for manufacturing armor, characterized in that only a porous thermoplastic synthetic resin is deformed under pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58029506A JPS59156722A (en) | 1983-02-25 | 1983-02-25 | Manufacture of protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58029506A JPS59156722A (en) | 1983-02-25 | 1983-02-25 | Manufacture of protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59156722A JPS59156722A (en) | 1984-09-06 |
| JPH0114004B2 true JPH0114004B2 (en) | 1989-03-09 |
Family
ID=12277971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58029506A Granted JPS59156722A (en) | 1983-02-25 | 1983-02-25 | Manufacture of protector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59156722A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200335294Y1 (en) * | 2003-07-04 | 2003-12-06 | 배근수 | A Do for Kendo Bougu |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS492181A (en) * | 1972-04-20 | 1974-01-10 | ||
| JPS5597934A (en) * | 1979-01-19 | 1980-07-25 | Kasai Kogyo Co Ltd | Molding of pad material |
| JPS5726208A (en) * | 1980-07-25 | 1982-02-12 | Hitachi Ltd | Coupling device of turbine rotary blade |
-
1983
- 1983-02-25 JP JP58029506A patent/JPS59156722A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS492181A (en) * | 1972-04-20 | 1974-01-10 | ||
| JPS5597934A (en) * | 1979-01-19 | 1980-07-25 | Kasai Kogyo Co Ltd | Molding of pad material |
| JPS5726208A (en) * | 1980-07-25 | 1982-02-12 | Hitachi Ltd | Coupling device of turbine rotary blade |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59156722A (en) | 1984-09-06 |
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