JPS62173238A - Manufacture of hose for electric vacuum cleaner - Google Patents
Manufacture of hose for electric vacuum cleanerInfo
- Publication number
- JPS62173238A JPS62173238A JP61014351A JP1435186A JPS62173238A JP S62173238 A JPS62173238 A JP S62173238A JP 61014351 A JP61014351 A JP 61014351A JP 1435186 A JP1435186 A JP 1435186A JP S62173238 A JPS62173238 A JP S62173238A
- Authority
- JP
- Japan
- Prior art keywords
- hose
- coating layer
- vacuum cleaner
- linear material
- linear
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 239000011247 coating layer Substances 0.000 abstract description 20
- 229920005989 resin Polymers 0.000 abstract description 15
- 239000011347 resin Substances 0.000 abstract description 15
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 abstract description 7
- 230000002787 reinforcement Effects 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 6
- 230000001154 acute effect Effects 0.000 description 3
- 230000004927 fusion Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Moulding By Coating Moulds (AREA)
- Electric Vacuum Cleaner (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Description
【発明の詳細な説明】
(Jイーヱトの利用分!IIF)
本発明は螺旋状の補強条をもつ電気掃除機用ホースの製
造ノ」法に関する。DETAILED DESCRIPTION OF THE INVENTION (Utilization of JEET! IIF) The present invention relates to a method for manufacturing a vacuum cleaner hose having a spiral reinforcing strip.
(従来の技術)
般にこの種のホースは、成形用1ら軸に′1′溶融状合
成樹脂の帯状素材と、別途成形された線状素材とを螺旋
状に巻付け、かつこの巻付は時に帯状素材の側縁部を順
次重ねると共に、線状素材を帯状素材に溶着して製造さ
れていた。(Prior art) Generally, this type of hose is made by winding a ``1'' molten synthetic resin strip material and a separately molded wire material in a spiral shape around a single helical shaft for forming. was sometimes manufactured by sequentially overlapping the side edges of the strip material and welding the linear material to the strip material.
(発明が解決しようとする問題点)
処で1−記の如き方法により製造された電気t11)除
水用ホースは、帯状素材と線状素材とが溶着されている
ので、その使用時第7図に小す如く帯状素材からなる周
u、y (+ + )と線状素材からなる補強条(12
)との溶着端近く、即ちA部が繰り返し鋭角的に屈曲さ
れ、かつA部に応力集中が生じ、このA部において破断
するごとき問題があった。(Problems to be Solved by the Invention) The electric water removal hose manufactured by the method described in 1-11) has a strip material and a wire material welded together. As shown in the figure, the circumference u, y (+ + ) made of band-shaped material and the reinforcing strip (12
), that is, the part A is repeatedly bent at an acute angle, stress concentration occurs in the part A, and there is a problem that the part A breaks.
(問題点を解決するための1段)
本発明は1・、記の如き問題点を解決すべ〈発明したも
ので、帯状毒Hに対しJ1溶?T性の合成樹脂により線
状累月を形成して、該線状累月を、帯状−ノ材に対し溶
i“トシ1で、線状素材に対しJl溶?”t t’lの
合成樹脂により被覆した後、常法通り製造するこ乏を特
徴とするものである。(First Step to Solve the Problems) The present invention should solve the problems as described in 1. A linear lunate is formed using a synthetic resin of T property, and the linear lunate is melted onto a strip-shaped material. It is characterized by the fact that it cannot be manufactured in a conventional manner after being coated with a resin.
(作用)
1・記の如き方法により製造されたホースは、帯状素材
からなる周壁に対し線状素材と被覆層とからなる補強条
が被覆層を介して溶itされ、かつ線状素材と被覆層と
がノ1溶7を状態にあるので、ホースに11曲時周壁と
共に被覆層が延伸され、この周壁と被覆層との溶7を端
近くが鋭角的に屈曲されるようなことがなく、また応力
が集中するようなことがないのである。(Function) 1. In the hose manufactured by the method described above, reinforcing strips made of a linear material and a coating layer are melted to a circumferential wall made of a band-shaped material through the coating layer, and the reinforcing strips made of a linear material and a coating layer are Since the coating layer and the coating layer are in the state of fusion 7, when the hose is bent, the coating layer is stretched together with the peripheral wall, and the fusion 7 between the peripheral wall and the coating layer is not bent at an acute angle near the end. Also, there is no stress concentration.
(実施例)
以下本発明の製造方法を例示図に基づいて詳細に説明す
る。(Example) The manufacturing method of the present invention will be explained in detail below based on illustrative drawings.
第1図は本発明方法により製造された電気hi)除水用
ホースを示すもので、図中(!1)は円筒状の周壁、(
12)は周壁内面に螺旋状に溶7tシた補強条である。Fig. 1 shows an electric water removal hose manufactured by the method of the present invention, in which (!1) indicates a cylindrical peripheral wall;
12) is a reinforcing strip spirally welded on the inner surface of the peripheral wall.
前記周壁(11)は、塩化ビニール樹脂の帯状素材(a
)から形成され、前記補強条に2)は、他の樹脂に対し
コ1溶zt性のPE樹脂またはPP樹脂の線状素材(b
)と塩化ビニール樹脂の被覆層(c)とカベ形成される
もので、帯状素材(a)と被覆層(c)とはlI:いに
溶着Ilf能であり、線状素材(b)と被覆層(c)と
はノl溶着性である。The peripheral wall (11) is made of a band-shaped material (a) made of vinyl chloride resin.
), and 2) is a linear material (b) of PE resin or PP resin that is soluble in other resins.
) and the covering layer (c) of vinyl chloride resin, and the strip material (a) and the covering layer (c) are welded together, and the linear material (b) and the covering layer are welded together. Layer (c) is non-weldable.
しかして先ず第1成形用ダイ(2)から溶融した塩化ビ
ニール樹脂を帯状に押出して、゛11溶融状の帯状素材
(a)を成形し、これと同時に第2成形用ダイ(3)か
ら溶融した塩化ビニール樹脂を円筒°状に押出して、゛
11溶融状の被覆層(C)を成形すると共に、この第2
成形用ダイ(3)を用いて被覆層(C)内中心部に溶融
PE樹脂または溶融PP樹脂を円柱状に押出して、線状
素材(b)を成形する。First, the molten vinyl chloride resin is extruded into a belt shape from the first molding die (2) to form a molten belt material (a), and at the same time, the melted vinyl chloride resin is extruded from the second molding die (3). The vinyl chloride resin thus prepared is extruded into a cylindrical shape to form a molten coating layer (C) in 11, and this second
Molten PE resin or molten PP resin is extruded into a cylindrical shape at the center of the coating layer (C) using a molding die (3) to form a linear material (b).
次いでL記の如く成形された帯状素材(a)と被覆層(
c)をもつ線状素材(b)とを成形用上軸(4)に螺旋
状に、かつ帯状素材(a)の側縁部か順次重なるように
巻付ける。Next, the strip-shaped material (a) formed as shown in L and the coating layer (
The linear material (b) having the material c) is wound spirally around the upper molding shaft (4) so that the side edges of the strip material (a) overlap one after another.
1−記成形用1:、軸(4)は、例えば傾斜した多数の
コロ(5)・・・をもつ外筒(6)を備え、該コロ(5
)の1:、軸(4)を介しての同転により、前記の如く
供給される帯状素材(a)と線状素材(b)とを順次引
き取り円筒状に成形し、所謂螺旋状の補強条(塵2)を
もつホースとして仕l・−げるのである。1-Formation 1: The shaft (4) is equipped with an outer cylinder (6) having, for example, a large number of inclined rollers (5).
) 1: By simultaneous rotation through the shaft (4), the strip material (a) and the linear material (b) supplied as described above are taken up one after another and formed into a cylindrical shape, so as to form a so-called spiral reinforcement. It is used as a hose with strips (dust 2).
なお、1・、記実施例において、線状素材(b)と共に
被覆電線(I3)を被覆層(c)で被覆して、第3゜4
図に示す如き電線付き補強条(12′)を形成すべくし
てもよく、斯くすることによりホース先端に丁2元スイ
ッチ(図示せず)を設けることができるのである。この
場合被覆電線(13)内に埋設する電線(d)は中線・
復線いずれであってもよいが、中線の場合には補強条(
12’)をダブル螺旋にする必“昂がある。In addition, in Example 1., the coated wire (I3) is coated with the coating layer (c) together with the linear material (b), and the
A reinforcing strip (12') with electric wires as shown in the figure may be formed, and by doing so, a two-way switch (not shown) can be provided at the end of the hose. In this case, the electric wire (d) buried inside the covered electric wire (13) is a medium wire.
It may be either the return line, but in the case of the center line, reinforcing strips (
12') into a double spiral.
以1−の如き方法により製造された電気掃除機用ホース
は、帯状素材(a)からなる周壁(11)と被覆層(c
)をもつ線状素材(b)からなる補強条(12)とがこ
の被覆層(C)を介して溶7tされ、かつこの被)V層
(c)と線状素材(b)とが非溶着状態にあるので、ホ
ース屈曲時周壁(■1)が延伸されると、第2図に小す
如く周壁(11)の延伸に伴って被覆層(c)をも延伸
させることかでき、従って周壁(11)と補強条(12
)との溶111端近くが鋭角的に屈曲されるような恐れ
がな(、またこの溶着端近(に応力が集中するようなこ
とかないのである。A vacuum cleaner hose manufactured by the method described in 1- below includes a peripheral wall (11) made of a strip-shaped material (a) and a coating layer (c).
) is melted through this coating layer (C), and this coating) V layer (c) and the linear material (b) are Since it is in a welded state, when the peripheral wall (1) is stretched when the hose is bent, the coating layer (c) can also be stretched as the peripheral wall (11) is stretched, as shown in FIG. Peripheral wall (11) and reinforcing strip (12)
) There is no risk that the weld 111 end will be bent at an acute angle (and stress will not be concentrated near the weld end ()).
(発明の効果)
以1−説明した如(本発明によるときは、螺旋状の補強
条をもつ電気掃除機用ホースをコストアップな(製造す
ることができながら、その耐強度を高め、特に屈曲時に
おける周壁と補強条との溶着端近くでの破断を確実に防
市せしめ得るに至ったのである。(Effects of the Invention) As explained in 1-1, according to the present invention, it is possible to manufacture a vacuum cleaner hose having a spiral reinforcing strip without increasing the cost, while increasing its strength and improving its strength, especially when bending. This has made it possible to reliably prevent breakage near the welded end of the peripheral wall and reinforcing strip.
第1図は本発明方法により製造されたホースの一部切欠
正面図、第2図は同ホースの屈曲]1.鴇こおける部分
縦断面図、第3図及び第4図は別の実施例を示す部分縦
断面図、第5図は本発明の製造方法で用いる製造装置の
・部切欠・14而図、第6図はその装部の拡大横断面図
、第7図は従来ホースのに1(曲時における部分縦断面
図である。
(目)・・・周u、y、 (12)・・・補強条、(a
)・・・帯状素材、(b)・・・線状素材、(c)・・
・被覆層。
第 1 図
第 2 ワ
第3図
第5図FIG. 1 is a partially cutaway front view of a hose manufactured by the method of the present invention, and FIG. 2 is a bending view of the same hose]1. 3 and 4 are partial longitudinal sectional views showing another embodiment, and FIG. Figure 6 is an enlarged cross-sectional view of the fitting part, and Figure 7 is a partial vertical cross-sectional view of the conventional hose when bent. Article, (a
)...Strip material, (b)...Line material, (c)...
・Covering layer. Figure 1 Figure 2 Figure 3 Figure 5
Claims (2)
用主軸に螺旋状に巻付けて、周壁に螺旋状の補強条を溶
着してなる電気掃除機用ホースを製造する方法であって
、前記線状素材として帯状素材に対し非溶着性の合成樹
脂を用い、かつこの線状素材を、帯状素材に対し溶着性
で線状素材に対し非溶着性の合成樹脂により予め被覆す
ることを特徴とする電気掃除機用ホースの製造方法。(1) A method of manufacturing a vacuum cleaner hose by winding a semi-molten synthetic resin band-like material and a linear material helically around a molding main shaft, and welding a spiral reinforcing strip to the peripheral wall. A synthetic resin that is non-weldable to the strip material is used as the linear material, and the linear material is coated in advance with a synthetic resin that is weldable to the strip material and non-weldable to the linear material. A method for manufacturing a vacuum cleaner hose, characterized by:
性で線状素材に対し非溶着性の合成樹脂により被覆する
ことを特徴とする特許請求の範囲第1項に記載の電気掃
除機用ホースの製造方法。(2) A vacuum cleaner according to claim 1, characterized in that the wire material and the covered electric wire are coated with a synthetic resin that is weldable to the strip material and non-weldable to the wire material. method of manufacturing hoses for use in
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61014351A JPS62173238A (en) | 1986-01-25 | 1986-01-25 | Manufacture of hose for electric vacuum cleaner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61014351A JPS62173238A (en) | 1986-01-25 | 1986-01-25 | Manufacture of hose for electric vacuum cleaner |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62173238A true JPS62173238A (en) | 1987-07-30 |
JPH0550383B2 JPH0550383B2 (en) | 1993-07-28 |
Family
ID=11858646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61014351A Granted JPS62173238A (en) | 1986-01-25 | 1986-01-25 | Manufacture of hose for electric vacuum cleaner |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62173238A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5232906A (en) * | 1975-09-08 | 1977-03-12 | Denki Kagaku Kogyo Kk | Extrusion of ceramics complexes |
EP0039495A2 (en) * | 1980-05-06 | 1981-11-11 | Hans Grohe GmbH & Co. KG | Flexible reinforced plastic hose, in particular shower hose, and its method of manufacture |
JPS579583U (en) * | 1980-06-18 | 1982-01-19 | ||
JPS59150733A (en) * | 1983-02-17 | 1984-08-29 | Nichiei Sangyo Kk | Manufacture of synthetic resin-made corrugated pipe having cylindrical part |
JPS59131682U (en) * | 1983-02-23 | 1984-09-04 | 東海ゴム工業株式会社 | Reinforced core hose |
-
1986
- 1986-01-25 JP JP61014351A patent/JPS62173238A/en active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5232906A (en) * | 1975-09-08 | 1977-03-12 | Denki Kagaku Kogyo Kk | Extrusion of ceramics complexes |
EP0039495A2 (en) * | 1980-05-06 | 1981-11-11 | Hans Grohe GmbH & Co. KG | Flexible reinforced plastic hose, in particular shower hose, and its method of manufacture |
JPS579583U (en) * | 1980-06-18 | 1982-01-19 | ||
JPS59150733A (en) * | 1983-02-17 | 1984-08-29 | Nichiei Sangyo Kk | Manufacture of synthetic resin-made corrugated pipe having cylindrical part |
JPS59131682U (en) * | 1983-02-23 | 1984-09-04 | 東海ゴム工業株式会社 | Reinforced core hose |
Also Published As
Publication number | Publication date |
---|---|
JPH0550383B2 (en) | 1993-07-28 |
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