JP3494445B2 - Resin drum and molding method thereof - Google Patents

Resin drum and molding method thereof

Info

Publication number
JP3494445B2
JP3494445B2 JP19693292A JP19693292A JP3494445B2 JP 3494445 B2 JP3494445 B2 JP 3494445B2 JP 19693292 A JP19693292 A JP 19693292A JP 19693292 A JP19693292 A JP 19693292A JP 3494445 B2 JP3494445 B2 JP 3494445B2
Authority
JP
Japan
Prior art keywords
resin
molding
rubber mat
porous rubber
drum
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 - Fee Related
Application number
JP19693292A
Other languages
Japanese (ja)
Other versions
JPH0648435A (en
Inventor
武男 山岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Idemitsu Petrochemical Co Ltd
Original Assignee
Idemitsu Petrochemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Priority to JP19693292A priority Critical patent/JP3494445B2/en
Publication of JPH0648435A publication Critical patent/JPH0648435A/en
Application granted granted Critical
Publication of JP3494445B2 publication Critical patent/JP3494445B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Containers Having Bodies Formed In One Piece (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、樹脂製ドラム缶および
その成形方法に関し、ジュース用のドラム缶などに利用
できる。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resin drum and a method of molding the same, and can be used for juice drums and the like.

【0002】[0002]

【背景技術】一般に、液体等を収容する容器であるドラ
ム缶には、スチール製ドラム缶やポリエチレン(PE)
等の樹脂材料により成形される樹脂製ドラム缶等があ
る。このうち樹脂製ドラム缶は、軽量で製造が容易、耐
食性が高い等の優れた性能を有するが、スチール製ドラ
ム缶に比べて滑りやすく、パレットによる運搬時やトラ
ックによる運送時などに載置状態が崩れて危険を伴うこ
とがある。
BACKGROUND ART Generally, steel drums and polyethylene (PE) are used for drums that are containers for containing liquids and the like.
There are resin drums and the like molded from resin materials such as. Among them, the resin drum can has excellent performance such as light weight, easy manufacture, and high corrosion resistance, but it is more slippery than the steel drum can, and the mounting state collapses when transported by pallet or truck. May be dangerous.

【0003】このため、このような樹脂製ドラム缶の底
面部分である地板の外側表面を凹凸状にしたり、あるい
はその容器本体の成形用材料である溶融樹脂より摩擦係
数の大きな滑り防止用部材を地板の外側表面に接着ある
いは溶着して滑りを防止していた。
Therefore, the outer surface of the bottom plate, which is the bottom of such a resin drum can, is made uneven, or a slip preventing member having a larger friction coefficient than that of the molten resin, which is the molding material for the container body, is used as the base plate. Was adhered or welded to the outer surface of the to prevent slippage.

【0004】[0004]

【発明が解決しようとする課題】しかしながら、前述の
地板の外側表面を凹凸状にする方法では、滑りを防止す
る効果が少ないという問題があった。また、前述の滑り
防止用部材を地板の外側表面に接着あるいは溶着する方
法では、滑りを防止する効果は充分に得ることができる
が、樹脂製ドラム缶の容器本体から剥がれやすいため耐
久性に劣るという問題があり、あるいは容器本体成形後
に接着あるいは溶着する所謂後加工であるため工数増と
なり、製造時間がかかるうえ、コストアップにもなると
いう問題があった。
However, the above-described method of making the outer surface of the main plate uneven has a problem that the effect of preventing slippage is small. Further, in the method of adhering or welding the above-mentioned anti-slip member to the outer surface of the main plate, the effect of preventing slippage can be sufficiently obtained, but it is inferior in durability because it is easily peeled off from the container body of the resin drum can. There is a problem, or there is a problem that man-hours are increased because it is a so-called post-processing of adhering or welding after molding the container main body, manufacturing time is increased, and cost is increased.

【0005】本発明の目的は、滑りを確実に防止するこ
とができるとともに、耐久性に優れかつ安価に製造でき
る樹脂製ドラム缶およびその成形方法を提供することに
ある。
An object of the present invention is to provide a resin drum can which can surely prevent slippage, which is excellent in durability and can be manufactured at a low cost, and a molding method thereof.

【0006】[0006]

【課題を解決するための手段】本発明の樹脂製ドラム缶
の成形方法は、予め多数の気孔を有しかつ加硫処理が施
された多孔質ゴムマットを成形用の金型内の所定位置に
配置しておき、成形用の樹脂を溶融させて前記金型内に
充填し、前記樹脂を前記多孔質ゴムマットの気孔内に一
部侵入させた状態で冷却固化または硬化させることを特
徴とする。
Method of molding a resin drum of the present invention SUMMARY OF] in advance a number of organic vital vulcanization treatment facilities pores
The prepared porous rubber mat is placed at a predetermined position in the molding die, the molding resin is melted and filled in the die, and the resin is partially contained in the pores of the porous rubber mat. It is characterized in that it is cooled and solidified or cured in a state of being penetrated.

【0007】本発明の樹脂製ドラム缶は、液体等を収容
する容器本体と、当該容器本体の底面部分の外側表面に
設けられた滑り防止用部材とを有し、当該滑り防止用部
材は多数の気孔を有しかつ加硫処理が施された多孔質ゴ
ムマットで形成され、当該滑り防止用部材と前記容器本
体とは前記気孔内に入り込んだ前記容器本体の成形用の
樹脂により接合されていることを特徴とする。
The resin drum according to the present invention has a container body for containing a liquid and the like, and a slip preventing member provided on the outer surface of the bottom surface of the container body. porous rubber for chromatic vital vulcanization pores is applied
The present invention is characterized in that the slip prevention member and the container main body are made of a matte , and are joined by a resin for molding the container main body that has entered the pores.

【0008】[0008]

【作用】このような本発明においては、成形時に多孔質
の滑り防止用部材が容器本体と一体に固着されることに
なるので、従来の滑り防止用部材を後加工で接着あるい
は溶着する場合に比べ、工数減となり、製造時間が短縮
できるようになるうえ、コストダウンできるようにな
る。
In the present invention as described above, since the porous anti-slip member is integrally fixed to the container body at the time of molding, when the conventional anti-slip member is adhered or welded in the post processing. In comparison, the man-hours are reduced, the manufacturing time can be shortened, and the cost can be reduced.

【0009】また、滑り防止用部材の摩擦係数を成形用
の樹脂のそれより大きくすることで、従来の地板の外側
表面を凹凸状にする場合に比べ、滑りを確実に防止する
ことができるようになる。さらに、滑り防止用部材の気
孔部分に溶融樹脂が入り込み、これが冷却固化または硬
化して容器本体と滑り防止用部材とが接合されるため、
滑り防止用部材が樹脂製ドラム缶の容器本体から剥がれ
るという不都合を解消できるようになり、耐久性を向上
させることができるようになり、これらにより前記目的
が達成される。
Further, by making the coefficient of friction of the slip prevention member larger than that of the molding resin, it is possible to surely prevent slippage as compared with the case where the outer surface of the conventional base plate is made uneven. become. Furthermore, since the molten resin enters the pores of the anti-slip member and is cooled and solidified or cured to join the container body and the anti-slip member,
The inconvenience that the anti-slip member is peeled off from the container body of the resin drum can can be eliminated, and the durability can be improved, thereby achieving the above object.

【0010】[0010]

【実施例】以下、本発明の一実施例を図面に基づいて説
明する。図1において、樹脂製ドラム缶10は、液体等を
収容する容器本体20と、この容器本体20に設けられた滑
り防止用部材である多孔質ゴムマット30とにより構成さ
れている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, a resin drum 10 is composed of a container body 20 for containing a liquid and the like, and a porous rubber mat 30 provided on the container body 20 as a slip preventing member.

【0011】容器本体20は、その上部にあたる天板21
と、底面部分である地板22と、これらの天板21と地板22
とを接続する胴体23とにより構成されている。そして、
これらの容器本体20の天板21、地板22、胴体23は全て高
密度ポリエチレン(HDPE)の830LE により成形され
ており、胴体23の両側端縁にあたる溶着部24, 25でそれ
ぞれ天板21と胴体23との溶着、地板22と胴体23との溶着
を行って一体の容器本体20が形成されるようになってい
る。
The container body 20 has a top plate 21 which is the upper part thereof.
And the bottom plate 22 which is the bottom part, and the top plate 21 and the ground plate 22.
And a body 23 that connects to and. And
The top plate 21, the base plate 22, and the body 23 of the container body 20 are all formed of 830LE of high-density polyethylene (HDPE), and the top plate 21 and the body are respectively formed at the welded portions 24 and 25 corresponding to both side edges of the body 23. The container main body 20 is integrally formed by welding the main body 22 and the base plate 22 and the body 23 by welding.

【0012】天板21は、射出成形で成形されるものであ
り、図示されないシリンダ内で加熱流動化された成形用
材料である溶融樹脂(前述の高密度ポリエチレン)を高
圧により図示されない金型内に射出し、その中で冷却固
化して成形されるようになっている。地板22は、圧縮成
形により成形されるものであり、溶融樹脂41を金型40内
に入れ、これを加圧して金型40内に充填させ、その後冷
却固化して成形されるようになっている(図3参照)。
胴体23は、押出成形で連続成形された長尺物を適切な長
さに切断して成形されるようになっている。
The top plate 21 is molded by injection molding, and molten resin (high-density polyethylene described above), which is a molding material heated and fluidized in a cylinder (not shown), is applied in a mold (not shown) by high pressure. It is made to be injected into the mold and cooled and solidified in the mold. The base plate 22 is formed by compression molding, and the molten resin 41 is put into the mold 40, the mold 40 is pressurized to fill the mold 40, and then cooled and solidified to be molded. (See Figure 3).
The body 23 is formed by cutting a long product continuously formed by extrusion molding into an appropriate length.

【0013】多孔質ゴムマット30は、廃タイヤの粉砕品
をバインダーで固めてシート状に成形したもので、その
表面あるいは内部に多数の気孔を有する構造となってい
る(図2参照)。そして、多孔質ゴムマット30は、容器
本体20の成形用樹脂(前述の高密度ポリエチレン)より
大きな摩擦係数を有している。また、この多孔質ゴムマ
ット30には、加硫処理が施されており、金型40内での成
形時に熱により溶融、変形しないようになっている。
The porous rubber mat 30 is formed by crushing a waste tire crushed with a binder to form a sheet, and has a structure having a large number of pores on its surface or inside (see FIG. 2). The porous rubber mat 30 has a friction coefficient larger than that of the molding resin (the above-mentioned high-density polyethylene) of the container body 20. The porous rubber mat 30 is vulcanized so that it will not be melted or deformed by heat during molding in the mold 40.

【0014】このような本実施例においては、以下のよ
うに成形を行う。先ず、予め地板22用の下側の金型40A
内の所定位置に多孔質ゴムマット30を配置しておき(所
謂インサート成形)、この多孔質ゴムマット30の上に溶
融樹脂41である高密度ポリエチレン(HDPE)の830L
E を注入する(図3(A)参照)。
In this embodiment, the molding is performed as follows. First, the lower mold 40A for the main plate 22 in advance
A porous rubber mat 30 is arranged at a predetermined position inside (so-called insert molding), and a high density polyethylene (HDPE) 830L that is a molten resin 41 is placed on the porous rubber mat 30.
Inject E (see FIG. 3 (A)).

【0015】次に、上側の金型40B を降下させて圧縮成
形を開始し、溶融樹脂41を多孔質ゴムマット30と共に加
圧し、金型40A,40B を付合わせて形成される金型40のキ
ャビティ42内に溶融樹脂41を充填する(図3(B)参
照)。この際、圧縮加圧により多孔質ゴムマット30の気
孔部分の一部にも溶融樹脂41が充填される。
Next, the upper die 40B is lowered to start compression molding, the molten resin 41 is pressed together with the porous rubber mat 30, and the cavity of the die 40 formed by attaching the dies 40A and 40B together. The molten resin 41 is filled in 42 (see FIG. 3 (B)). At this time, the molten resin 41 is also filled in a part of the pores of the porous rubber mat 30 by compression and pressure.

【0016】その後、多孔質ゴムマット30の気孔部分に
入り込んだ分を含めてキャビティ42内の溶融樹脂41を冷
却固化し、金型40を開いて多孔質ゴムマット30と一体化
されるように成形された容器本体20の地板22を取り出
す。
After that, the molten resin 41 in the cavity 42 including the portion that has entered the pores of the porous rubber mat 30 is cooled and solidified, and the mold 40 is opened to be molded so as to be integrated with the porous rubber mat 30. The bottom plate 22 of the container body 20 is taken out.

【0017】一方、容器本体20の天板21および胴体23を
それぞれ射出成形、押出成形により成形しておく。
On the other hand, the top plate 21 and the body 23 of the container body 20 are molded by injection molding and extrusion molding, respectively.

【0018】そして、これらの天板21、胴体23、および
多孔質ゴムマット30と一体化された地板22をそれぞれ溶
着して図1に示した樹脂製ドラム缶10を形成する。これ
らにより底面部分の外側表面に多孔質ゴムマット30を有
する樹脂製ドラム缶10が製造される。
Then, the top plate 21, the body 23, and the base plate 22 integrated with the porous rubber mat 30 are welded to each other to form the resin drum can 10 shown in FIG. As a result, the resin drum 10 having the porous rubber mat 30 on the outer surface of the bottom portion is manufactured.

【0019】このような本実施例によれば、予め多孔質
ゴムマット30を金型40内にインサートしておき、溶融樹
脂41を注入して地板22を成形する所謂インサート成形を
行うため、従来の滑り防止用部材を後加工で接着あるい
は溶着する場合に比べ、工数減となり、製造時間が短縮
できるうえ、コストダウンすることができる。
According to the present embodiment as described above, the porous rubber mat 30 is previously inserted into the mold 40, and the so-called insert molding in which the molten resin 41 is injected to mold the base plate 22 is performed. Compared with the case where the anti-slip member is adhered or welded by post-processing, the number of steps is reduced, the manufacturing time can be shortened, and the cost can be reduced.

【0020】また、多孔質ゴムマット30は、地板22の材
料である溶融樹脂41より摩擦係数が大きいので、従来の
地板の外側表面を凹凸状にする場合に比べ、滑りを確実
に防止することができる。
Further, since the porous rubber mat 30 has a larger coefficient of friction than the molten resin 41 which is the material of the base plate 22, it is possible to surely prevent the slippage as compared with the case where the outer surface of the conventional base plate is uneven. it can.

【0021】さらに、多孔質ゴムマット30の表面および
内部の多数の気孔に溶融樹脂41が入り込んで冷却固化す
ることで、容器本体20と多孔質ゴムマット30とが接合さ
れるので、所謂アンカー効果を得ることができるため、
多孔質ゴムマット30が樹脂製ドラム缶10の容器本体20か
ら剥がれるという不都合を解消でき、耐久性を向上させ
ることができる。特に、圧縮成形時の加圧によって溶融
樹脂41は多孔質ゴムマット30の気孔部分に確実に侵入す
ることができ、接合性を高めることができる。
Furthermore, since the molten resin 41 enters into a large number of pores on the surface and inside of the porous rubber mat 30 and is cooled and solidified, the container body 20 and the porous rubber mat 30 are joined, so that a so-called anchor effect is obtained. Because you can
The disadvantage that the porous rubber mat 30 is peeled off from the container body 20 of the resin drum 10 can be eliminated, and the durability can be improved. In particular, the molten resin 41 can surely enter the pores of the porous rubber mat 30 by the pressure applied during compression molding, and the bondability can be improved.

【0022】そして、多孔質ゴムマット30には加硫処理
が施されているので、金型40内での成形時に多孔質ゴム
マット30が熱により溶融、変形するという不都合を未然
に防止することができる。
Since the porous rubber mat 30 is vulcanized, it is possible to prevent the disadvantage that the porous rubber mat 30 is melted and deformed by heat during molding in the mold 40. .

【0023】また、多孔質ゴムマット30は弾性部材であ
るため、樹脂製ドラム缶10および樹脂製ドラム缶10を載
置する場所に傷がつくという不都合を防止できるうえ、
載置の際の衝撃を吸収抑制することができる。
Further, since the porous rubber mat 30 is an elastic member, it is possible to prevent inconvenience that the resin drum can 10 and the place where the resin drum can 10 is placed are damaged.
It is possible to absorb and suppress the impact during mounting.

【0024】ここで、本発明の効果を確かめるために、
以下のような実験を行った。図4には、この実験の状態
が示されており、ドラム缶50が長さ1300mmのパレット51
の上に載置されている。そして、このパレット51の一方
の端を持ち上げてパレット51を水平面52に対して傾け、
この際にパレット51上に載置されたドラム缶50が滑り始
める持ち上げ高さH(mm)を測定した。
Here, in order to confirm the effect of the present invention,
The following experiment was conducted. The state of this experiment is shown in FIG. 4, in which the drum 50 has a pallet 51 with a length of 1300 mm.
Is placed on. Then, lift one end of this pallet 51 to tilt the pallet 51 with respect to the horizontal plane 52,
At this time, the lifting height H (mm) at which the drum can 50 placed on the pallet 51 started to slide was measured.

【0025】ドラム缶50には、本実施例に基づく前述の
多孔質ゴムマット30の付いた樹脂製ドラム缶10を用い
(実験例)、併せてスチール製ドラム缶を用いた場合
(比較例1)、滑り防止用部材の付いていない樹脂製ド
ラム缶を用いた場合(比較例2)についても測定した。
また、温度条件として、常温および−25℃の二条件で実
験を行った。この実験の結果を表1に示す。
As the drum can 50, the resin drum 10 with the above-mentioned porous rubber mat 30 according to the present embodiment is used (experimental example), and when the steel drum can is also used (comparative example 1), slip prevention is prevented. The measurement was carried out also in the case of using a resin drum without a member for use (Comparative Example 2).
In addition, the experiment was performed under two temperature conditions of room temperature and -25 ° C. The results of this experiment are shown in Table 1.

【0026】[0026]

【表1】 [Table 1]

【0027】表1のとおり、本実施例の樹脂製ドラム缶
10は、比較例2の滑り防止用部材の付いていない樹脂製
ドラム缶に比べ、滑り出しを生じる持ち上げ高さHが大
きくなっており、滑り防止性能が高いことがわかる。ま
た、本実施例の樹脂製ドラム缶10は、樹脂製でありなが
ら、比較例1のスチール製ドラム缶と略同程度の滑り防
止性能を有しており、本発明の効果が顕著に現れてい
る。
As shown in Table 1, the resin drum of this embodiment is used.
It can be seen that No. 10 has a higher lifting height H that causes slipping out, as compared with the resin drum can of Comparative Example 2 which does not have the anti-slip member, and thus has high anti-slip performance. Further, the resin drum can 10 of the present embodiment has substantially the same anti-slip performance as the steel drum can of Comparative Example 1 while being made of resin, and the effect of the present invention is remarkably exhibited.

【0028】なお、本発明は前記実施例に限定されるも
のではなく、例えば以下に示すような変形等も本発明に
含まれるものである。すなわち、前記実施例では、地板
22は圧縮成形により成形されるようになっているが、他
の成形方法、例えば射出成形、射出圧縮成形、中空成形
(ブロー成形)等により成形してもよく、要するに予め
多孔質ゴムマット30をインサートした所謂インサート成
形であればよい。
The present invention is not limited to the above embodiment, and the following modifications and the like are also included in the present invention. That is, in the above embodiment, the main plate
Although 22 is formed by compression molding, it may be formed by another molding method such as injection molding, injection compression molding, hollow molding (blow molding), etc. In short, insert the porous rubber mat 30 in advance. What is called insert molding may be used.

【0029】また、前記実施例では、天板21、胴体23は
それぞれ射出成形、押出成形により成形されるようにな
っているが、これらの成形方法も射出成形、射出圧縮成
形、中空成形(ブロー成形)等任意に選択してよい。
Further, in the above-mentioned embodiment, the top plate 21 and the body 23 are formed by injection molding and extrusion molding, respectively, but these molding methods are also injection molding, injection compression molding, and hollow molding (blow molding). Molding) etc. may be arbitrarily selected.

【0030】また、前記実施例では、地板22の材料であ
る溶融樹脂41は熱可塑性樹脂とし、この熱可塑性樹脂の
冷却固化により地板22と多孔質ゴムマット30とが所謂ア
ンカー効果により接合されているが、熱硬化性樹脂を加
熱加圧して硬化させることにより接合してもよい。そし
て、天板21、胴体23の樹脂材料も任意に選択してよく、
要するにそれぞれ図1に示した形状に成形できるもので
あればよい。
Further, in the above embodiment, the molten resin 41 which is the material of the base plate 22 is a thermoplastic resin, and the base plate 22 and the porous rubber mat 30 are joined by the so-called anchor effect by cooling and solidifying the thermoplastic resin. Alternatively, the thermosetting resin may be bonded by heating and pressurizing the thermosetting resin. And, the resin material of the top plate 21 and the body 23 may be arbitrarily selected,
In short, any material can be used as long as it can be molded into the shape shown in FIG.

【0031】[0031]

【0032】また、前記実施例では、溶融した状態の樹
脂を金型40内に注入し、これを加圧して地板22を圧縮成
形しているが、粉末状の樹脂を金型40内に入れ、その後
加熱して流動状態の溶融樹脂として金型40内に充填させ
るようにしてもよい。
Further, in the above-mentioned embodiment, the molten resin is injected into the mold 40, and the pressure is applied to compress the base plate 22, but the powdered resin is put into the mold 40. After that, the resin may be heated to be filled in the mold 40 as a molten resin in a fluid state.

【0033】さらに、前記実施例では、容器本体20は、
天板21、胴体23、地板22の三つの部材を溶着することに
より形成されているが、底面部分の外側表面にインサー
ト成形により多孔質ゴムマット30を設けることができれ
ば幾つの部材に分かれていてもよく、中空成形などによ
り一部材で成形されていてもよい。そして、本発明は、
容器本体20の上部、すなわち天板21の部分の開放された
所謂オープンドラムに適用してもよく、あるいは天板21
を胴体23に溶着せずにスチールバンド等で固定するよう
なドラム缶に適用してもよく、要するに多孔質ゴムマッ
ト30が設けられる地板22の部分を有するドラム缶であれ
ば本発明を適用することができる。
Further, in the above embodiment, the container body 20 is
The top plate 21, the body 23, and the base plate 22 are formed by welding three members, but if the porous rubber mat 30 can be provided by insert molding on the outer surface of the bottom portion, it may be divided into any number of members. Of course, it may be molded as a single member by hollow molding or the like. And the present invention is
It may be applied to a so-called open drum in which the upper part of the container body 20, that is, the top plate 21 is opened, or the top plate 21
May be applied to a drum can that is fixed to the body 23 with a steel band or the like without being welded, in short, the present invention can be applied to any drum can that has the portion of the main plate 22 on which the porous rubber mat 30 is provided. .

【0034】また、樹脂製ドラム缶10の形状は、液体等
を収容することができるような容器状であれば任意であ
り、その寸法等も任意である。そして、多孔質ゴムマッ
ト30の形状、寸法等も任意であり、要するに樹脂製ドラ
ム缶10の底面部分の外側表面に滑り防止効果を持つよう
に設けることができればよい。
The shape of the resin drum 10 is arbitrary as long as it is a container capable of containing a liquid or the like, and its size and the like are also arbitrary. The shape, size, etc. of the porous rubber mat 30 are arbitrary, and in short, it is sufficient that the porous rubber mat 30 can be provided on the outer surface of the bottom surface of the resin drum can 10 so as to have a slip preventing effect.

【0035】さらに、前記実施例では、圧縮成形時の金
型40の型締による加圧で多孔質ゴムマット30の気孔内に
溶融樹脂41を入り込ませているが、圧縮成形時に多孔質
ゴムマット30を減圧等することにより積極的に気孔内に
溶融樹脂41を入り込ませてもよい。
Further, in the above-mentioned embodiment, the molten resin 41 is allowed to enter the pores of the porous rubber mat 30 by pressurizing the mold 40 during compression molding, but the porous rubber mat 30 is compressed during compression molding. The molten resin 41 may be positively introduced into the pores by reducing the pressure.

【0036】[0036]

【発明の効果】以上に述べたように本発明によれば、成
形時に多孔質の滑り防止用部材が容器本体と一体に固着
されることになるので、樹脂製ドラム缶の滑りを確実に
防止することができるとともに、樹脂製ドラム缶の耐久
性を向上させることができるうえ、安価に製造すること
ができる。
As described above, according to the present invention, since the porous anti-slip member is integrally fixed to the container body during molding, the resin drum can is surely prevented from slipping. In addition to being able to improve the durability of the resin drum, it can be manufactured at low cost.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例を示す概略断面図。FIG. 1 is a schematic sectional view showing an embodiment of the present invention.

【図2】前記実施例の多孔質ゴムマットの拡大断面図。FIG. 2 is an enlarged cross-sectional view of the porous rubber mat of the above embodiment.

【図3】前記実施例の成形方法を示す断面図。FIG. 3 is a cross-sectional view showing the molding method of the above embodiment.

【図4】本発明の効果を確かめる実験状態を示す概略
図。
FIG. 4 is a schematic diagram showing an experimental state for confirming the effect of the present invention.

【符号の説明】[Explanation of symbols]

10 樹脂製ドラム缶 20 容器本体 30 滑り防止用部材である多孔質ゴムマット 40 金型 41 溶融樹脂 10 resin drum 20 container body 30 Porous rubber mat that is a non-slip member 40 mold 41 Molten resin

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 予め多数の気孔を有しかつ加硫処理が施
された多孔質ゴムマットを成形用の金型内の所定位置に
配置しておき、 成形用の樹脂を溶融させて前記金型内に充填し、前記樹
脂を前記多孔質ゴムマットの気孔内に一部侵入させた状
態で冷却固化または硬化させることを特徴とする樹脂製
ドラム缶の成形方法。
1. A pre numerous organic vital vulcanization treatment facilities pores
The prepared porous rubber mat is placed at a predetermined position in the molding die, the molding resin is melted and filled in the die, and the resin is partially filled in the pores of the porous rubber mat. A method for molding a resin-made drum can, which comprises cooling and solidifying or hardening in a state of being penetrated.
【請求項2】 液体等を収容する容器本体と、当該容器
本体の底面部分の外側表面に設けられた滑り防止用部材
とを有し、 当該滑り防止用部材は多数の気孔を有しかつ加硫処理が
施された多孔質ゴムマットで形成され、当該滑り防止用
部材と前記容器本体とは前記気孔内に入り込んだ前記容
器本体の成形用の樹脂により接合されていることを特徴
とする樹脂製ドラム缶。
A container body for accommodating the 2. A liquid or the like, and a slip preventing member provided on the outer surface of the bottom portion of the container body, the anti-slip member is chromatic vital pressurizing the plurality of pores Sulfur treatment
A resin drum can, which is formed of a porous rubber mat provided , and wherein the slip prevention member and the container body are joined by a resin for molding the container body that has entered the pores.
JP19693292A 1992-07-23 1992-07-23 Resin drum and molding method thereof Expired - Fee Related JP3494445B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19693292A JP3494445B2 (en) 1992-07-23 1992-07-23 Resin drum and molding method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19693292A JP3494445B2 (en) 1992-07-23 1992-07-23 Resin drum and molding method thereof

Publications (2)

Publication Number Publication Date
JPH0648435A JPH0648435A (en) 1994-02-22
JP3494445B2 true JP3494445B2 (en) 2004-02-09

Family

ID=16366062

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19693292A Expired - Fee Related JP3494445B2 (en) 1992-07-23 1992-07-23 Resin drum and molding method thereof

Country Status (1)

Country Link
JP (1) JP3494445B2 (en)

Also Published As

Publication number Publication date
JPH0648435A (en) 1994-02-22

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