JPH0562572B2 - - Google Patents
Info
- Publication number
- JPH0562572B2 JPH0562572B2 JP62069850A JP6985087A JPH0562572B2 JP H0562572 B2 JPH0562572 B2 JP H0562572B2 JP 62069850 A JP62069850 A JP 62069850A JP 6985087 A JP6985087 A JP 6985087A JP H0562572 B2 JPH0562572 B2 JP H0562572B2
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical film
- mold
- extruder
- compressed air
- tubular bodies
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0013—Extrusion moulding in several steps, i.e. components merging outside the die
- B29C48/0015—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die
- B29C48/0016—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die using a plurality of extrusion dies
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は生産性のよい緩衝包装材の製造方法に
関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a highly productive method for manufacturing cushioning packaging materials.
（従来の技術）
従来、緩衝材の製造方法として、例えば特公昭
59−37219号公報に記載される如く、幅方向平面
的に整列され内部に空気を封入した多数本の合成
樹脂軟質管状体を押出成形により作製し、上記平
面的に整列された管状体の表面側及び裏面側に合
成樹脂フイルムを接着する方法がある。(Prior art) Conventionally, as a manufacturing method for cushioning materials, for example,
As described in Japanese Patent Application No. 59-37219, a large number of synthetic resin soft tubular bodies arranged in a plane in the width direction and with air sealed inside are produced by extrusion molding, and the surface of the tubular bodies arranged in a plane is made by extrusion molding. There is a method of adhering a synthetic resin film to the side and back sides.
（発明が解決しようとする問題点）
しかしながら、かかる従来の製造方法は、多数
本の合成樹脂軟質管状体の押出成形とは別工程で
予め合成樹脂フイルムを製造しておかなければな
らず、製造に手間がかかり生産性が未だ十分とは
いえない問題点がある。又、押出成形した多数本
の合成樹脂軟質管状体に合成樹脂フイルムを接着
する際、接着用の加熱装置により加熱して接着す
るので、その分工程が増え製造に手間がかかると
共に、軟質管状体とフイルムの接着強度が必ずし
も十分でない場合が生じやすい問題点がある。(Problems to be Solved by the Invention) However, in this conventional manufacturing method, the synthetic resin film must be manufactured in advance in a separate process from the extrusion molding of a large number of synthetic resin soft tubular bodies. There is a problem that it takes a lot of time and productivity is still not sufficient. In addition, when bonding a synthetic resin film to a large number of extruded synthetic resin soft tubular bodies, the bonding is done by heating with a heating device for bonding, which increases the number of steps and takes time and effort to manufacture the soft tubular bodies. There is a problem in that the adhesive strength of the film is not always sufficient.
本発明はかかる従来の問題点を解決した緩衝包
装材の製造方法を提供することを目的としてい
る。 An object of the present invention is to provide a method for manufacturing a cushioning packaging material that solves the conventional problems.
（問題点を解決するための手段）
上記問題点を解決するため、本発明緩衝包装材
の製造方法は、第１押出機の第１金型より溶融樹
脂を円筒状フイルムとして押出す一方、第１金型
内から円筒状フイルム内に圧縮空気を送り込み、
次いで円筒状フイルムを第２押出機の第２金型内
を通過させ、該円筒状フイルムの外周を囲む如く
第２金型より溶融樹脂を多数本の軟質管状体とし
て円筒状フイルムに沿つて押出す一方、第２金型
内から上記管状体内に圧縮空気を送り込み、管状
体を円筒状フイルムの外周に融着一体化させたも
のである。(Means for Solving the Problems) In order to solve the above problems, the method for manufacturing a cushioning packaging material of the present invention includes extruding a molten resin as a cylindrical film from a first die of a first extruder, while 1 Pour compressed air into the cylindrical film from inside the mold,
Next, the cylindrical film is passed through a second mold of a second extruder, and the molten resin is extruded along the cylindrical film in the form of a large number of soft tubular bodies from the second mold so as to surround the outer periphery of the cylindrical film. Meanwhile, compressed air is fed into the tubular body from within the second mold to fuse and integrate the tubular body with the outer periphery of the cylindrical film.
（実施例）
以下、図面を参照しながら本発明について説明
する。(Example) The present invention will be described below with reference to the drawings.
図面において、１は第１押出機であつて、合成
樹脂用汎用押出機であり、先端部に第１金型２が
取着されている。第１金型２には該第１金型２内
に圧縮空気を送り込むための圧縮空気供給装置
（図示せず）が圧縮空気供給パイプ３を介して連
結されている。又、第１金型２からは第１押出機
１内の溶融樹脂が円筒状フイルム４として押出さ
れ、圧縮空気が上記供給パイプ３、金型２内を介
して円筒状フイルム４内に送り込まれるようにな
されている。上記溶融樹脂はポリエチレン、ポリ
プロピレン、ポリ塩化ビニル等の合成樹脂であ
る。 In the drawings, reference numeral 1 denotes a first extruder, which is a general-purpose extruder for synthetic resins, and has a first mold 2 attached to its tip. A compressed air supply device (not shown) for feeding compressed air into the first mold 2 is connected to the first mold 2 via a compressed air supply pipe 3. Further, the molten resin in the first extruder 1 is extruded from the first mold 2 as a cylindrical film 4, and compressed air is sent into the cylindrical film 4 through the supply pipe 3 and the inside of the mold 2. It is done like this. The molten resin is a synthetic resin such as polyethylene, polypropylene, polyvinyl chloride, etc.
５は第２押出機であつて、合成樹脂用汎用押出
機であり、先端部に第２金型６が取着されてい
る。第２金型６は上記円筒状フイルム４を通過さ
せるための挿通孔７を備えたリング状金型となさ
れ、第３図の如く挿通孔７の外周に該挿通孔７を
取り囲むようにして多数の吐出口８，８……が設
けられている。又、第２金型６には上記第１金型
２と同様に圧縮空気供給装置（図示せず）が圧縮
空気供給パイプ９を介して連結されている。第２
金型６からは第２押出機５内の溶融樹脂が多数の
吐出口８，８……を介して多数本の軟質管状体１
０，１０……として抽出され、圧縮空気が上記供
給パイプ９、金型６内を介して管状体１０，１０
……内に送り込まれるようになされている。、上
記管状体１０，１０……は押出成形された直後に
第２金型６の挿通孔７を通過した円筒状フイルム
４の長さ方向に沿つてその外周に融着するように
なされている。すなわち、上記吐出口８，８……
が第３図の如く挿通孔７の周縁に近接して設けら
れている。なお、上記管状体１０，１０……を形
成する樹脂は円筒状フイルム４と相溶性を有する
合成樹脂が使用される。 Reference numeral 5 denotes a second extruder, which is a general-purpose extruder for synthetic resins, and has a second mold 6 attached to its tip. The second mold 6 is a ring-shaped mold having an insertion hole 7 through which the cylindrical film 4 passes, and as shown in FIG. Discharge ports 8, 8, . . . are provided. Further, a compressed air supply device (not shown) is connected to the second mold 6 via a compressed air supply pipe 9, similarly to the first mold 2 described above. Second
From the mold 6, the molten resin in the second extruder 5 is transferred to a large number of soft tubular bodies 1 through a large number of discharge ports 8, 8...
The compressed air is extracted as
...It is designed to be sent inside. , the tubular bodies 10, 10... are adapted to be fused to the outer periphery of the cylindrical film 4 along its length, which has passed through the insertion hole 7 of the second mold 6 immediately after being extruded. . That is, the discharge ports 8, 8...
is provided close to the periphery of the insertion hole 7 as shown in FIG. The resin used to form the tubular bodies 10, 10, . . . is a synthetic resin that is compatible with the cylindrical film 4.
１１はガイドコーンであつて、円筒状フイルム
４の外周に多数本の管状体１０，１０……を融着
したものを扁平状に形状変形させるためのもので
ある。 Reference numeral 11 denotes a guide cone for deforming the cylindrical film 4 into a flat shape by welding a large number of tubular bodies 10, 10, . . . to the outer periphery thereof.
１２，１３は引取ロール、１４は切開ナイフで
あつて、上記円筒状フイルム４を切開いてシート
状にするためのものである。 12 and 13 are take-up rolls, and 14 is a cutting knife for cutting the cylindrical film 4 into sheets.
１５は切断機である。 15 is a cutting machine.
次に本発明製造方法を第１図に沿つて順次説明
する。 Next, the manufacturing method of the present invention will be sequentially explained with reference to FIG.
まず、第１押出機１の第１金型２より溶融樹脂
を円筒状フイルム４として押出す。このとき、圧
縮空気供給装置（図示せず）から圧縮空気供給パ
イプ３、第１金型２内を介して円筒状フイルム４
内に圧縮空気を送り込み、円筒状フイルム４の形
状、肉厚を整える。次いで、円筒状フイルム４を
第２押出機５の第２金型６の挿通孔７に導入、通
過させる。一方、第１図及び第３図の如く第２押
出機５の第２金型６の吐出口８，８……より溶融
樹脂を多数本の軟質管状体１０，１０……として
押出す。このとき、軟質管状体１０，１０……を
円筒状フイルム４の外周を囲むと共に円筒状フイ
ルム４の長さ方向に沿つて押出し、管状体１０，
１０……をその押出熱により円筒状フイルム４に
融着させる。同時に、圧縮空気供給装置（図示せ
ず）から圧縮空気供給パイプ９、第２金型６内を
介して管状体１０，１０……内に圧縮空気を送り
込み、管状体１０，１０……の形状、肉厚を整え
る。次いで、円筒状フイルム４の外周に管状体１
０，１０……を融着したものを順次ガイドコーン
１１内を通過させ、その形状を扁平状にする。次
いで、引取ロール１２，１３により上記円筒状フ
イルム４、管状体１０，１０……を引取ると共
に、第１図及び第２図の如く切開ナイフ１４によ
り円筒状フイルム４を切開き順次シート状にし、
切断機１５により所定寸法に切断し、第４図の如
き緩衝包装材を得るものである。 First, a molten resin is extruded as a cylindrical film 4 from the first mold 2 of the first extruder 1 . At this time, the cylindrical film 4 is passed from the compressed air supply device (not shown) through the compressed air supply pipe 3 and the inside of the first mold 2.
Compressed air is sent inside to adjust the shape and thickness of the cylindrical film 4. Next, the cylindrical film 4 is introduced into the insertion hole 7 of the second mold 6 of the second extruder 5 and passed through. On the other hand, as shown in FIGS. 1 and 3, the molten resin is extruded from the discharge ports 8, 8, . . . of the second mold 6 of the second extruder 5 as a large number of soft tubular bodies 10, 10, . At this time, the soft tubular bodies 10, 10... are extruded along the length direction of the cylindrical film 4 while surrounding the outer circumference of the cylindrical film 4.
10... is fused to the cylindrical film 4 by the heat of extrusion. At the same time, compressed air is fed into the tubular bodies 10, 10... through the compressed air supply pipe 9 and the second mold 6 from a compressed air supply device (not shown), and the shape of the tubular bodies 10, 10... , adjust the thickness. Next, the tubular body 1 is placed around the outer periphery of the cylindrical film 4.
0, 10, . Next, the cylindrical film 4, tubular bodies 10, 10, . ,
The material is cut into a predetermined size by a cutting machine 15 to obtain a cushioning packaging material as shown in FIG.
なお、上記方法では切開ナイフ１４により円筒
状フイルム４を切開いてシート状としているが、
円筒状フイルム４は切開かずにそのままの形状と
しておいてもよい。この場合、出来上つた緩衝包
装材は筒状となされる。 Note that in the above method, the cylindrical film 4 is cut into a sheet shape using the cutting knife 14;
The cylindrical film 4 may be left as it is without being cut. In this case, the finished cushioning packaging material is cylindrical.
（発明の効果）
以上詳述した如く、本発明緩衝包装材の製造方
法は、第１押出機の第１金型より溶融樹脂を円筒
状フイルムとして押出し、該円筒状フイルムを第
２押出機の第２金型内を通過させ、該円筒状フイ
ルムの外周を囲む如く第２金型より溶融樹脂を多
数本の軟質管状体として円筒状フイルムに沿つて
押出し、管状体を円筒状フイルムの外周に融着一
体化させるので、連続して緩衝包装材を製造する
ことができ、製造作業が簡単かつ製造工程も少な
く、生産性を向上させることができる。(Effects of the Invention) As detailed above, the method for manufacturing the cushioning packaging material of the present invention involves extruding a molten resin as a cylindrical film from the first mold of a first extruder, and transferring the cylindrical film to a second extruder. The molten resin is extruded from the second mold along the cylindrical film in the form of a large number of soft tubular bodies so as to surround the outer periphery of the cylindrical film. Since they are fused and integrated, the cushioning packaging material can be manufactured continuously, the manufacturing work is simple and the number of manufacturing steps is small, and productivity can be improved.
又、押出直後の円筒状フイルムに押出直後の軟
質管状体を融着させるので、融着しやすく、融着
強度も向上させることができる。 Furthermore, since the extruded soft tubular body is fused to the cylindrical film immediately after extrusion, the fusion can be easily performed and the fusion strength can be improved.
さらに、第１金型内から円筒状フイルム内に圧
縮空気を送り込むと共に、第２金型内から多数本
の管状体内に圧縮空気を送り込むので、形状、肉
厚の均一な製品が得られる。 Furthermore, since compressed air is fed into the cylindrical film from the first mold and into a large number of tubular bodies from the second mold, a product with uniform shape and wall thickness can be obtained.
さらに又、第１押出機により円筒状フイルムを
押出成形し、第２押出機により円筒状フイルムの
外周を囲む多数本の管状体を押出成形するので、
フイルム及び管状体の均等押出が容易にでき、製
造のスピードアツプ、製品の品質向上を計ること
ができる。 Furthermore, since the first extruder extrudes a cylindrical film, and the second extruder extrudes a large number of tubular bodies surrounding the outer periphery of the cylindrical film,
It is easy to uniformly extrude films and tubular bodies, speeding up production and improving product quality.
第１図は本発明製造方法の一実施例を示す模型
的説明図、第２図は第１図の模型的平面図、第３
図は第１図Ａ−Ａ線における矢視図、第４図は本
発明製造方法により製造された緩衝包装材の一実
施例を示す一部切欠斜視図である。
１……第１押出機、２……第１金型、３，９…
…圧縮空気供給パイプ、４……円筒状フイルム、
５……第２押出機、６……第２金型、７……挿通
孔、８……吐出口、１０……軟質管状体、１１…
…ガイドコーン、１２，１３……引取ロール、１
４……切開ナイフ、１５……切断機。
FIG. 1 is a schematic explanatory diagram showing one embodiment of the manufacturing method of the present invention, FIG. 2 is a schematic plan view of FIG. 1, and FIG.
The drawings are a view taken along the line A-A in FIG. 1, and FIG. 4 is a partially cutaway perspective view showing an embodiment of the cushioning packaging material manufactured by the manufacturing method of the present invention. 1...First extruder, 2...First mold, 3, 9...
...Compressed air supply pipe, 4...Cylindrical film,
5...Second extruder, 6...Second mold, 7...Through hole, 8...Discharge port, 10...Soft tubular body, 11...
...Guide cone, 12, 13...Take-up roll, 1
4...Incision knife, 15...Cutting machine.
Claims (1)
フイルムとして押出す一方、第１金型内から円筒
状フイルム内に圧縮空気を送り込み、次いで円筒
状フイルムを第２押出機の第２金型内を通過さ
せ、該円筒状フイルムの外周を囲む如く第２金型
より溶融樹脂を多数本の軟質管状体として円筒状
フイルムに沿つて押出す一方、第２金型内から上
記管状体内に圧縮空気を送り込み、管状体を円筒
状フイルムの外周に融着一体化させることを特徴
とする緩衝包装材の製造方法。1. While extruding the molten resin as a cylindrical film from the first mold of the first extruder, compressed air is fed into the cylindrical film from inside the first mold, and then the cylindrical film is extruded into the second extruder. The molten resin is passed through the mold and extruded from the second mold along the cylindrical film in the form of a large number of soft tubular bodies so as to surround the outer periphery of the cylindrical film. 1. A method for producing a cushioning packaging material, which comprises feeding compressed air into a cylindrical film to fuse and integrate a tubular body with the outer periphery of a cylindrical film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62069850A JPS63233817A (en) | 1987-03-23 | 1987-03-23 | Manufacture of cushioning packaging material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62069850A JPS63233817A (en) | 1987-03-23 | 1987-03-23 | Manufacture of cushioning packaging material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63233817A JPS63233817A (en) | 1988-09-29 |
| JPH0562572B2 true JPH0562572B2 (en) | 1993-09-08 |
Family
ID=13414698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62069850A Granted JPS63233817A (en) | 1987-03-23 | 1987-03-23 | Manufacture of cushioning packaging material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63233817A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202300008952A1 (en) * | 2023-05-05 | 2024-11-05 | Geko S P A | METHOD OF MANUFACTURING AN ISOLATION DEVICE FOR DOORS. |
-
1987
- 1987-03-23 JP JP62069850A patent/JPS63233817A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63233817A (en) | 1988-09-29 |
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