JPH0354064A - Method for forming skirt for air cushion boat - Google Patents
Method for forming skirt for air cushion boatInfo
- Publication number
- JPH0354064A JPH0354064A JP18603489A JP18603489A JPH0354064A JP H0354064 A JPH0354064 A JP H0354064A JP 18603489 A JP18603489 A JP 18603489A JP 18603489 A JP18603489 A JP 18603489A JP H0354064 A JPH0354064 A JP H0354064A
- Authority
- JP
- Japan
- Prior art keywords
- skirt
- air cushion
- unit sheet
- sheet materials
- sheet member
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000012815 thermoplastic material Substances 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 239000002759 woven fabric Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005339 levitation Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 229920000271 Kevlar® Polymers 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、高速貨客船として好適なエアークッション艇
のスカート成形方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for forming the skirt of an air cushion boat suitable for use as a high-speed cargo and passenger ship.
一般にエアークッション艇は、本体下部を可撓性材料よ
りなるスカートで囲繞して区画を形威し、この区画内に
高圧空気を送給して浮上させるとともに、本体上に設け
られた推進ファンにより航走するものである。In general, an air cushion boat has a compartment formed by surrounding the lower part of the main body with a skirt made of flexible material, and high-pressure air is fed into this compartment to make it float, and a propulsion fan installed on the main body is used to It is something that sails.
より詳しくは、このエアークッション艇は第５図及び第
６図に示すように、本体１の下部周辺に可撓性材料より
なるスカート２を配置して本体１の下部に区画３を形威
し、この区画３内に浮上用ファン４より高圧空気を送給
してこれを浮上させ、本体１上に設けられた推進用プロ
ペラ５を作動させて航走するのである。そしてこのスカ
ート２は本体１の下方の周囲に固定されたエアーバッグ
６及びこのエアーバッグ６に固定されたフィンガー７で
構成されている。More specifically, as shown in FIGS. 5 and 6, this air cushion boat has a skirt 2 made of a flexible material arranged around the lower part of the main body 1 to form a partition 3 at the lower part of the main body 1. The levitation fan 4 feeds high-pressure air into this section 3 to make it levitate, and the propulsion propeller 5 provided on the main body 1 is operated to travel. The skirt 2 is composed of an air bag 6 fixed around the lower part of the main body 1 and a finger 7 fixed to the air bag 6.
ところで、前記した従来のエアークッション挺における
スカート２においては、可撓性材料としてゴムが使用さ
れている。そして、複雑形状となるスカートは、第７図
の如くゴム製シー｝８ａ．８ｂを所定形状に切断した後
、これの端部を合せ、この部分を糸９で縫い合わせて戒
形する方法が採られている。従って、波浪等がこの，２
．カート２に繰り返して衝突することによリ縫合部の糸
９が切断し、その結果、スカート２の補修をしばしば行
なう必要があった。By the way, rubber is used as a flexible material in the skirt 2 of the conventional air cushion canister described above. The skirt, which has a complicated shape, is made of rubber as shown in Fig. 8a. After cutting 8b into a predetermined shape, the ends thereof are brought together and the parts are sewn together with thread 9 to form the shape. Therefore, waves etc.
．． Repeated collisions with the cart 2 caused the seam threads 9 to break, resulting in frequent repairs to the skirt 2.
本発明は前記したような従来の問題点を解決するために
なされたものであって、熱可塑性材料よりなるシート部
材を複数の所定の形状に切断して単位シート材を形成す
る第一の工程と、各単位シート材の接合部を重ね合せて
位置決めする第二の工程と、前記各単位シート材の接合
部を加熱して各単位シート材を融着させる第三工程から
なるエアークッション艇のスカート成形方法を提供せん
とするものである。The present invention has been made in order to solve the conventional problems as described above, and includes a first step of cutting a sheet member made of a thermoplastic material into a plurality of predetermined shapes to form unit sheet members. A second step of overlapping and positioning the joints of each unit sheet material, and a third step of heating the joints of each unit sheet material to fuse each unit sheet material. It is an object of the present invention to provide a skirt forming method.
本発明のシール部を形或するシート部材は、補強用の織
布の両面を熱可塑性材料に被覆するように構威され、こ
のシート部材を所定の形状に切断して形威された単位シ
ート材は、治具を利用して位置決めがなされた後、その
結合部がホットエアガン又は赤外線加熱しータ等により
加熱され融着されるのである．
〔実 施 例〕
以下第１図ないし第４図に基づき本発明によるエアーク
ッション艇のスカート成形方法の一実施例を説明する。The sheet member forming the seal portion of the present invention is constructed by covering both sides of a reinforcing woven fabric with a thermoplastic material, and is formed into a unit sheet by cutting this sheet member into a predetermined shape. After the materials are positioned using a jig, their joints are heated and fused using a hot air gun or infrared heater. [Embodiment] An embodiment of the skirt forming method for an air cushion boat according to the present invention will be described below with reference to FIGS. 1 to 4.
第１図はシート部材１１の断面図であって、このシート
部材１１は、補強用としてのナイロン、ポリエステル、
芳香族ボリアミド（米国デュポン社製、商品名：ケブラ
ー）等からなる高強度の織布１２の両面を例えば、クロ
ロブレンゴム、スチレンブタジエンゴム、ニトリルゴム
、イソブレンゴム、プチルゴム等の合或ゴム、軟質のビ
ニル樹脂等の熱可塑性材料１３で被覆した複合構造とな
っている。FIG. 1 is a sectional view of the sheet member 11, which is made of nylon, polyester, etc. for reinforcement.
Both sides of a high-strength woven fabric 12 made of aromatic polyamide (manufactured by DuPont, USA, trade name: Kevlar) are coated with synthetic rubber such as chloroprene rubber, styrene-butadiene rubber, nitrile rubber, isobrene rubber, butyl rubber, or soft rubber. It has a composite structure coated with a thermoplastic material 13 such as vinyl resin.
そしてスカートの戒形方法は次の工程によって行う。The method for making the skirt is as follows.
Ａ．前記第１図に示す断面構造を有するシート部材１１
は第２図及び第３図に示すように設計図に基づき所定の
形状に切断されて複数の単位シート材１４が形成する．
Ｂ．この単位シート材１４はあらかじめ所定の形状（例
えば船首スカートの形状）に形威された治具１５にその
接合部１４’ を重ね合せる。A. Sheet member 11 having the cross-sectional structure shown in FIG.
is cut into a predetermined shape based on the design drawing to form a plurality of unit sheet materials 14, as shown in FIGS. 2 and 3. B. This unit sheet material 14 is overlaid at its joint portion 14' on a jig 15 which has been shaped in advance into a predetermined shape (for example, the shape of a bow skirt).
Ｃ．そして単位シート材ｌ４の先端部をボルト１６によ
り位置決めする．
Ｄ．次に、図示しないホットエアガン、赤外線加熱しー
タ等でこの第４図に示すように接合部１４′ を加熱し
て溶融して接合する．加熱温度は接合部が溶融し、単位
シート材１４に大きな損傷を与えない程度の温度で、使
用する熱可塑性材料の溶融温度から溶融温度＋５０゜Ｃ
程度が好ましい。C. Then, the tip of the unit sheet material l4 is positioned using the bolt 16. D. Next, as shown in FIG. 4, the joint portion 14' is heated and melted and joined using a hot air gun, an infrared heating heater, etc. (not shown). The heating temperature is a temperature that melts the joint and does not cause major damage to the unit sheet material 14, and is 50°C higher than the melting temperature of the thermoplastic material used.
degree is preferred.
治具ｌ５はあらかじめ戒形形状に等しく形威された当材
ｌ７を支持軸ｌ８で支持台１９に支持し、モーター２０
により、支持軸ｌ８を中心として当材ｌ７を所定の方向
に回動可能に構戒されており、接合する速度に合わせて
回転速度をコントロールすることができるようになって
いる．
〔発明の効果〕
以上の説明から明らかなように本発明によるエアークッ
ション艇のスカート成形方法によれば、熱可塑性材料よ
りなるシート部材を所定形状に切断した後、これの端部
を重合し、この重合した部分を融着接合してスカートを
成形するため、接合部に縫い合せ用の糸がなくなり、そ
の結果、糸切れや局部的な応力の発生による破損等の補
修作業の必要がない。The jig 15 supports the material 17, which has been shaped in advance to the same shape as the precept shape, on the support stand 19 with the support shaft 18, and the motor 20
Accordingly, the material 17 can be rotated in a predetermined direction about the support shaft 18, and the rotation speed can be controlled in accordance with the joining speed. [Effects of the Invention] As is clear from the above description, according to the method for forming a skirt for an air cushion boat according to the present invention, after cutting a sheet member made of a thermoplastic material into a predetermined shape, the ends of the sheet member are polymerized, Since the overlapping parts are fusion-bonded to form the skirt, there is no sewing thread at the joint, and as a result, there is no need for repair work such as damage caused by thread breakage or localized stress.
従って、本発明にかかるスカートを取付けたエアークッ
ション艇は長期間運航することができるので、運航効率
を向上せることができるという効果がある。Therefore, the air cushion watercraft equipped with the skirt according to the present invention can be operated for a long period of time, and has the effect of improving operational efficiency.
第１図は本発明のエアークッション艇のスカートに使用
するシート部材の断面図、第２図はスカートを製造する
装置の正面図、第３図は同■一■矢視断面図、第４図は
本発明によって接合されたシート部材の斜視図である。
第５図はエアークッション艇の側面図、第６図は底面図
、第７図は従来のシート部材の接合部を示す斜視図であ
る。
ｌ・・・本体
３・・・区画
５・・・推進用プロペラ
７・・・フィンガー
１２・・・織布
ｌ４・・・単位シート材
ｌ６・・・ボルト
ｌ８・・・支持軸
２０・・・モーター
２・・・スカート
４・・・浮上用ファン
６・・・エアーバ・冫グ
１１・・・シート部材
ｌ３・・・熱可塑性材料
ｌ５・・・治具
１７・・・当材
１９・・・支持台Fig. 1 is a cross-sectional view of a sheet member used in the skirt of an air cushion boat according to the present invention, Fig. 2 is a front view of a device for manufacturing the skirt, Fig. 3 is a cross-sectional view of the same in the direction of the arrow 1, and Fig. 4. FIG. 1 is a perspective view of sheet members joined according to the present invention. FIG. 5 is a side view of the air cushion watercraft, FIG. 6 is a bottom view, and FIG. 7 is a perspective view showing the joints of conventional seat members. l...Body 3...Division 5...Propulsion propeller 7...Finger 12...Woven fabric l4...Unit sheet material l6...Bolt l8...Support shaft 20... Motor 2... Skirt 4... Levitation fan 6... Air bar/decoder 11... Sheet member l3... Thermoplastic material l5... Jig 17... Material 19... support stand
Claims (1)
程と、各単位シート材の接合部を重ね合せて位置決めす
る第二の工程と、前記各単位シート材の接合部を加熱し
て各単位シート材を融着させることを特徴とするエアー
クッション艇のスカート成形方法。[Claims] A first step of cutting a sheet member made of a thermoplastic material into a plurality of predetermined shapes to form unit sheet materials, and a second step of overlapping and positioning the joint portions of each unit sheet material. A method for forming a skirt for an air cushion boat, comprising the steps of: and heating the joint portion of each of the unit sheet materials to fuse the unit sheet materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18603489A JPH0354064A (en) | 1989-07-20 | 1989-07-20 | Method for forming skirt for air cushion boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18603489A JPH0354064A (en) | 1989-07-20 | 1989-07-20 | Method for forming skirt for air cushion boat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0354064A true JPH0354064A (en) | 1991-03-08 |
Family
ID=16181241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18603489A Pending JPH0354064A (en) | 1989-07-20 | 1989-07-20 | Method for forming skirt for air cushion boat |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0354064A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020006812A (en) * | 2000-07-13 | 2002-01-26 | 황재학 | Method and apparatus for detecting section of object |
| KR100428365B1 (en) * | 2001-08-21 | 2004-04-30 | 현대자동차주식회사 | Method of checking injection hole of nozzle for diesel engine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5336820A (en) * | 1976-09-15 | 1978-04-05 | Nobuyoshi Suzuki | Continuous finger skirt for hovercraft |
| JPS6294330A (en) * | 1985-10-22 | 1987-04-30 | 防衛庁技術研究本部長 | Flexible structure material for air cushion boat |
-
1989
- 1989-07-20 JP JP18603489A patent/JPH0354064A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5336820A (en) * | 1976-09-15 | 1978-04-05 | Nobuyoshi Suzuki | Continuous finger skirt for hovercraft |
| JPS6294330A (en) * | 1985-10-22 | 1987-04-30 | 防衛庁技術研究本部長 | Flexible structure material for air cushion boat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020006812A (en) * | 2000-07-13 | 2002-01-26 | 황재학 | Method and apparatus for detecting section of object |
| KR100428365B1 (en) * | 2001-08-21 | 2004-04-30 | 현대자동차주식회사 | Method of checking injection hole of nozzle for diesel engine |
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