JPH051B2 - - Google Patents
Info
- Publication number
- JPH051B2 JPH051B2 JP62124824A JP12482487A JPH051B2 JP H051 B2 JPH051 B2 JP H051B2 JP 62124824 A JP62124824 A JP 62124824A JP 12482487 A JP12482487 A JP 12482487A JP H051 B2 JPH051 B2 JP H051B2
- Authority
- JP
- Japan
- Prior art keywords
- cultivation
- soil
- casing
- cultivation device
- tool
- 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
Links
- 239000002689 soil Substances 0.000 claims description 37
- 239000000758 substrate Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 description 8
- 238000003971 tillage Methods 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Soil Working Implements (AREA)
- Cultivation Of Plants (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、土壌収容ケーシングに栽培用土壌
を収容した栽培ベツドにおいて、この栽培用土壌
を耕耘する際に使用する耕作装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a cultivation device used when cultivating soil in a cultivation bed containing cultivation soil in a soil storage casing.
栽培ベツドとして、従来より断面が略Ｕ字状の
土壌収容ケーシングに栽培土壌を充填したものが
ある。
Conventionally, as a cultivation bed, there is one in which a soil storage casing having a substantially U-shaped cross section is filled with cultivation soil.
かかる栽培ベツドにおいて、前記栽培用土壌を
耕耘する場合には、作業者が鍬、耕耘機等を用い
て行つていた。 In such cultivation beds, when the cultivation soil is tilled, an operator uses a hoe, a tiller, or the like.
ところが、前記栽培ベツドのケーシングは介在
物を介して地表面よりも高い位置に設置されてい
たため、作業者はケーシング内に入つて鍬、耕耘
機等で作業しなければならず、よつて、耕耘作業
が極めて大変であつた。 However, since the casing of the cultivation bed was installed at a higher position than the ground surface through an intervening object, the worker had to enter the casing and work with a hoe, tiller, etc. The work was extremely difficult.
このため、発明者は、前記ケーシングの端縁に
沿つて耕作装置を移動させる装置を案出した。 For this reason, the inventor has devised a device for moving the tillage device along the edge of the casing.
しかしながら、土壌は土壌成分、温度等によつ
て粘度、硬度等の物理的性質が異なるため、前記
耕作装置にあつても、常に一定の耕作用具によつ
て前記栽培用土壌を耕耘していたのでは耕耘作業
の能率が向上しないという不都合を生じた。
However, since physical properties such as viscosity and hardness of soil vary depending on soil components, temperature, etc., even with the above-mentioned cultivation equipment, the cultivation soil is always cultivated using the same cultivation tool. This resulted in the inconvenience that the efficiency of tillage work could not be improved.
この発明はこの不都合を解消するためになされ
たものであり、その構成は、
土壌収容ケーシングと耕作装置とを備え、前記
ケーシングに栽培用土壌を収容するとともに前記
耕作装置に耕作用具を設置し、この耕作用具によ
つて前記栽培用土壌を耕耘する栽培ベツド用耕作
装置において、
前記ケーシングを基板の両端縁に側板を突設さ
せることにより横断面略Ｕ字状に形成し、
且つ、
この耕作装置に少なくとも一対の車軸を介して
走行輪を設置し、この走行輪を介して前記耕作装
置を前記側板の上端縁に載置するとともに前記走
行輪を適宜駆動手段によつて回転させることによ
りこの耕作装置を前記側板の上端縁に沿つて移動
させ、
更に、前記耕作用具を前記耕作装置における前
記一対の車軸の間に着脱可能に設置したことを特
徴とする栽培ベツド用耕作装置である。
The present invention was made to solve this inconvenience, and its configuration includes: a soil storage casing and a cultivation device; the casing accommodates cultivation soil; and the cultivation device is equipped with a cultivation tool; In this cultivation bed cultivation device for cultivating the cultivation soil with this cultivation tool, the casing is formed into a substantially U-shaped cross section by protruding side plates on both edges of the substrate, and this cultivation device A running wheel is installed through at least a pair of axles on the side plate, and the tilling device is placed on the upper edge of the side plate via the running wheel, and the running wheel is appropriately rotated by a drive means to carry out the cultivation. The cultivation device for a cultivation bed is characterized in that the device is moved along the upper edge of the side plate, and the cultivation tool is detachably installed between the pair of axles of the cultivation device.
この発明に係る栽培ベツド用耕作装置は、土壌
収容ケーシングと耕作装置とを備え、前記ケーシ
ングに栽培用土壌を収容するとともに前記耕作装
置に耕作用具を設置し、この耕作用具によつて前
記栽培用土壌を耕耘する栽培ベツド用耕作装置に
おいて、
前記ケーシングを基板の両端縁に側板を突設さ
せることにより横断面略Ｕ字状に形成し、
且つ、
この耕作装置に少なくとも一対の車軸を介して
走行輪を設置し、この走行輪を介して前記耕作装
置を前記側板の上端縁に載置するとともに前記走
行輪を適宜駆動手段によつて回転させることによ
りこの耕作装置を前記側板の上端縁に沿つて移動
させ、
更に、前記耕作用具を前記耕作装置における前
記一対の車軸の間に着脱可能に設置したため、
前記走行輪を作動させることによつて前記耕作
用具を前記ケーシング（栽培ベツド）の長手方向
に沿つて移動させることができ、且つ、耕作用具
を安定状態に設置できるとともに栽培用土壌の物
理的性質に応じて耕作用具を選択できるものであ
る。
A cultivation device for a cultivation bed according to the present invention includes a soil storage casing and a cultivation device, the soil for cultivation is stored in the casing, and a cultivation tool is installed in the cultivation device, and the cultivation device is equipped with a cultivation tool. In a cultivation bed cultivation device for cultivating soil, the casing is formed into a substantially U-shaped cross section by protruding side plates on both edges of the substrate, and the casing is driven by the cultivation device via at least one pair of axles. The cultivation device is placed on the upper edge of the side plate through the running wheel, and the cultivation device is moved along the upper edge of the side plate by appropriately rotating the running wheel by a drive means. Furthermore, since the cultivation tool is removably installed between the pair of axles of the cultivation device, the cultivation tool can be moved in the longitudinal direction of the casing (cultivation bed) by operating the running wheels. The cultivation tool can be moved along the soil, the cultivation tool can be installed in a stable state, and the cultivation tool can be selected according to the physical properties of the cultivation soil.
以下この発明の実施例を図面に基づいて説明す
る。
Embodiments of the present invention will be described below based on the drawings.
第１図〜第４図において、１は栽培ベツドの土
壌収容ケーシングであり、ブロツク等の介在物
２，２を介して地表面３に設置されている。この
ケーシング１は、基板１１の両端縁に側板１２，
１２が略Ｕ字状（第３図及び第４図参照）に一体
成形することにより構成され、栽培用土壌（図示
せず）を収容する。なお、１２１，１２１は側板
１２，１２の先端部に形成された湾曲縁であり、
後記走行輪５１，５１，６１，６１を支える個所
である。 In FIGS. 1 to 4, reference numeral 1 denotes a soil storage casing for a cultivation bed, which is installed on the ground surface 3 via intervening objects 2, such as blocks. This casing 1 includes side plates 12 on both ends of a substrate 11,
12 is integrally molded into a substantially U-shape (see FIGS. 3 and 4), and accommodates cultivation soil (not shown). Note that 121, 121 are curved edges formed at the tips of the side plates 12, 12,
This is a location that supports running wheels 51, 51, 61, and 61, which will be described later.
一方、４は耕作装置Ｐのフレームであり、上板
４１の両端縁に支持板４２，４２を略逆Ｕ字状
（第３図及び第４図参照）に一体形成することに
よつり構成される。５は前記フレーム４の支持板
４２，４２を貫通している原動車軸、５１，５１
はこの車軸５に軸支された牽引用走行輪である。
なお、５２はスプロケツトであり、原動車軸５に
嵌着されている。一方、６は従動車軸であり、前
記原動車軸５と同様に前記支持板４２，４２に設
置されている。この従動車軸６は従動走行輪６
１，６１を軸支している。前記牽引用走行輪５
１，５１及びこの従動走行輪６１，６１は前記ケ
ーシング（栽培ベツド）１の側板１２，１２の湾
曲縁１２１，１２１に載置されている。５４は走
行用原動機であり、フレーム４の上板４１にブラ
ケツト５４１を介して固定されている。この走行
用原動機５４はスプロケツト５４２を有し、この
スプロケツト５４２は前記原動車軸５のスプロケ
ツト５２とチエーン５５によつてつながれてい
る。よつて、走行用原動機５４が駆動するとスプ
ロケツト５４２、チエーン５５、スプロケツト
（原動車軸５の）５２を介して牽引用走行輪５１，
５１が回転し、耕作装置Ｐは矢印方向（第１図及
び第２図参照）に移動する。 On the other hand, 4 is a frame of the tillage device P, which is constructed by integrally forming support plates 42, 42 on both ends of an upper plate 41 in a substantially inverted U shape (see Figs. 3 and 4). Ru. Reference numeral 5 denotes a driving axle passing through the support plates 42, 42 of the frame 4; 51, 51;
is a traction running wheel pivotally supported by this axle 5.
Note that 52 is a sprocket, which is fitted onto the driving axle 5. On the other hand, 6 is a driven axle, which, like the driving axle 5, is installed on the support plates 42, 42. This driven axle 6 is a driven running wheel 6
1 and 61 are supported. Said traction running wheel 5
1, 51 and the driven wheels 61, 61 are placed on the curved edges 121, 121 of the side plates 12, 12 of the casing (cultivation bed) 1. Reference numeral 54 denotes a driving motor, which is fixed to the upper plate 41 of the frame 4 via a bracket 541. The driving motor 54 has a sprocket 542, which is connected to the sprocket 52 of the driving axle 5 by a chain 55. Therefore, when the driving motor 54 is driven, the traction running wheels 51,
51 rotates, and the cultivation device P moves in the direction of the arrow (see FIGS. 1 and 2).
次に、第４図において、７は作動軸であり、前
記原動車軸５と前記従動車軸６との間において、
前記フレーム４の支持板４２，４２を貫通してい
る。７１はスプロケツトであり、この作動軸７の
一端に係止ピン７１１によつて着脱可能に固定さ
れている。又、７２は支持ブツシユであり、作動
軸７の他端に係止ピン７２１によつて着脱可能に
固定されている。この支持ブツシユ７２は作動軸
７が軸方向への移動するのを防止する。７３は耕
作用具Ａのボス部であり、前記作動軸７に外嵌め
されている。このボス部７３は係止ピン７３１に
よつて前記作動軸７に着脱可能に固定されている
（第４図参照）。７４，７４，…は鋤板であり、前
記ボス部７３の周面に90度の間隔を介して突設さ
れている。この鋤板７４，７４，…の湾曲端は、
ボス部７３の周方向において順に逆方向になつて
いる。７５は耕耘用原動機、７６は減速機であ
り、両者７５，７６とも前記フレーム４の上板４
１にねじ止めされている。この原動機７５の回転
力はチエーン７７を介して減速機７６に伝達さ
れ、この減速機７６によつて適宜割合に減速され
る。７６１は減速機７６の出力スプロケツトであ
り、チエーン７８を介して前記作動軸（耕耘装置
Ａの）７のスプロケツト７１につながれている。
このため、耕耘用原動機７５が駆動すると、減速
機７６を介して作動軸７、ひいてはボス部７３を
回転させ前記鋤板７４，７４，…が作動し、ケー
シング１内の栽培用土壌を耕耘する。 Next, in FIG. 4, 7 is an operating shaft, and between the driving axle 5 and the driven axle 6,
It passes through the support plates 42, 42 of the frame 4. A sprocket 71 is detachably fixed to one end of the operating shaft 7 by a locking pin 711. A support bush 72 is detachably fixed to the other end of the operating shaft 7 by a locking pin 721. This support bush 72 prevents the actuating shaft 7 from moving in the axial direction. Reference numeral 73 denotes a boss portion of the cultivation tool A, which is externally fitted onto the operating shaft 7. This boss portion 73 is removably fixed to the operating shaft 7 by a locking pin 731 (see FIG. 4). 74, 74, . . . are plow plates, which are protruded from the circumferential surface of the boss portion 73 at intervals of 90 degrees. The curved ends of the plow plates 74, 74,...
The directions are sequentially reversed in the circumferential direction of the boss portion 73. 75 is a prime mover for tillage, 76 is a speed reducer, and both 75 and 76 are attached to the upper plate 4 of the frame 4.
1 is screwed on. The rotational force of this prime mover 75 is transmitted to a reduction gear 76 via a chain 77, and is reduced by this reduction gear 76 at an appropriate rate. 761 is an output sprocket of the speed reducer 76, which is connected to the sprocket 71 of the operating shaft (of the tiller A) 7 via a chain 78.
Therefore, when the tillage prime mover 75 is driven, the operating shaft 7 and eventually the boss portion 73 are rotated via the speed reducer 76, and the plow plates 74, 74, . . . are operated, and the cultivation soil in the casing 1 is tilled. .
次に、第１図、第２図及び第５図に基づいて畝
整形用装置Ｂを説明する。 Next, the ridge shaping device B will be explained based on FIGS. 1, 2, and 5.
４１１，４１１は係止ブツシユであり、前記フ
レーム４における上板４１の後部（進行方向に対
して）に溶接されている。又、８は保持板であ
り、先端縁部に係止ピン８１，８１，８１が突設
されている。この保持板８は係止ピン８１，８
１，８１を上板４１の係止ブツシユ４１１，４１
１に挿入することにより、フレーム４に着脱可能
に設置される。９は整形板であり、補助板を９
１，９１，９１を介して前記保持板８の下方に溶
接されている。この整形板９は断面逆Ｕ字状であ
り、耕作装置Ｐの進行に従つて、耕耘土壌を上方
から撫でて行くことにより、所定形状に形成する
（畝床Ｓを形成する）。９２は拡径部であり、整形
板９の前端に一体成形されている。この拡径部９
２は耕作装置Ｐの進行方向に向かうに従つて徐々
に拡径され、整形板９内に耕耘土壌を取り入れし
やすくしている。なお、整形用装置Ｂによつて耕
耘土壌を形成する場合、第６図に示す耕耘装置を
使用して耕耘土壌をケーシング４の中心部に集め
ることが望ましいものである。 411, 411 are locking bushes, which are welded to the rear part (with respect to the traveling direction) of the upper plate 41 of the frame 4. Further, 8 is a holding plate, and locking pins 81, 81, 81 are provided protruding from the tip edge. This retaining plate 8 has locking pins 81, 8
1,81 to the locking bushes 411,41 of the upper plate 41
1, the frame 4 is removably installed. 9 is a shaping board, and 9 is an auxiliary board.
It is welded to the lower part of the retaining plate 8 via 1, 91, 91. This shaping plate 9 has an inverted U-shaped cross section, and forms it into a predetermined shape (forms a ridge S) by stroking the tilled soil from above as the tillage device P advances. Reference numeral 92 denotes an enlarged diameter portion, which is integrally molded at the front end of the shaping plate 9. This enlarged diameter part 9
2 gradually expands in diameter as it goes in the direction of movement of the cultivation device P, making it easier to take in the tilled soil into the shaping plate 9. In addition, when forming tilled soil using the shaping device B, it is desirable to collect the tilled soil in the center of the casing 4 using the tilling device shown in FIG.
この耕作装置Ｐの作動を説明する。 The operation of this cultivation device P will be explained.
まず、走行用原動機５４とともに耕作用原動機
７５を駆動させる。するとチエーン５５を介して
牽引用走行輪５１，５１が回転するとともに減速
機７６及びチエーン７８を介して鋤板７４，７
４，…が回転し、この結果、耕作装置Ｐはケーシ
ング（栽培ベツド）１に沿つて移動するとともに
ケーシング（栽培ベツド）１内の栽培用土壌は耕
耘される。そして、この耕耘された土壌は前記耕
作装置Ｐの進行に従つて前記整形板９が上方から
撫でられることにより、ケーシング（栽培ベツ
ド）１内に畝床Ｓを形成する。 First, the cultivation prime mover 75 is driven together with the traveling prime mover 54. Then, the traction running wheels 51, 51 are rotated via the chain 55, and the plow plates 74, 7 are rotated via the reducer 76 and the chain 78.
4,... rotate, and as a result, the cultivation device P moves along the casing (cultivation bed) 1, and the cultivation soil within the casing (cultivation bed) 1 is tilled. The cultivated soil is stroked from above by the shaping plate 9 as the cultivation device P advances, thereby forming a ridge S in the casing (cultivation bed) 1.
この実施例では走行輪として牽引用走行輪と従
動走行輪を採用したが、両者を牽引用走行輪とす
ることもできる。 In this embodiment, a traction running wheel and a driven running wheel are used as running wheels, but both may be used as traction running wheels.
この発明に係る栽培ベツド用耕作装置は、土壌
収容ケーシングと耕作装置とを備え、前記ケーシ
ングに栽培用土壌を収容するとともに前記耕作装
置に耕作用具を設置し、この耕作用具によつて前
記栽培用土壌を耕耘する栽培ベツド用耕作装置に
おいて、
前記ケーシングを基板の両端縁に側板を突設さ
せることにより横断面略Ｕ字状に形成し、
且つ、
この耕作装置に少なくとも一対の車軸を介して
走行輪を設置し、この走行輪を介して前記耕作装
置を前記側板の上端縁に載置するとともに前記走
行輪を適宜駆動手段によつて回転させることによ
りこの耕作装置を前記側板の上端縁に沿つて移動
させ、
更に、前記耕作用具を前記耕作装置における前
記一対の車軸の間に着脱可能に設置したため、
前記走行輪を作動させることによつて前記耕作
用具を前記ケーシング（栽培ベツド）長手方向に
沿つて移動させることができ、且つ、耕作用具を
安定状態に設置できるとともに栽培用土壌の物理
的性質に応じて耕作用具を選択できるものであ
る。
A cultivation device for a cultivation bed according to the present invention includes a soil storage casing and a cultivation device, the soil for cultivation is stored in the casing, and a cultivation tool is installed in the cultivation device, and the cultivation device is equipped with a cultivation tool. In a cultivation bed cultivation device for cultivating soil, the casing is formed into a substantially U-shaped cross section by protruding side plates on both edges of the substrate, and the casing is driven by the cultivation device via at least one pair of axles. The cultivation device is placed on the upper edge of the side plate through the running wheel, and the cultivation device is moved along the upper edge of the side plate by appropriately rotating the running wheel by a drive means. Furthermore, since the cultivation tool is removably installed between the pair of axles of the cultivation device, the cultivation tool can be moved in the longitudinal direction of the casing (cultivation bed) by operating the running wheels. The cultivation tool can be moved along the soil, the cultivation tool can be installed in a stable state, and the cultivation tool can be selected depending on the physical properties of the cultivation soil.
よつて、この耕作装置を使用すれば、前記ケー
シング（栽培ベツド）内の栽培土壌を耕作するに
あたつて、耕耘作業が簡易になるとともに、栽培
用土壌に最適な耕作用具を選択できる結果、耕耘
作業の能率は極めて向上する。 Therefore, by using this cultivation device, when cultivating the cultivation soil in the casing (cultivation bed), the cultivation work becomes easy, and as a result, it is possible to select the most suitable cultivation tool for the cultivation soil. The efficiency of tilling work is greatly improved.
図面にこの発明に係る栽培ベツド用耕耘装置の
実施例を示したものであり、
第１図は正面図、第２図は平面図、第３図は第
１図における−断面の主要部を記載した図、
第４図は第１図における−断面の主要部を記
載した図、第５図は整形装置を第１図の矢視方
向から見た図、第６図は耕耘装置の他の実施例を
示した正面図である。
Ａ……耕作用具、Ｐ……栽培ベツド用耕作装
置、４……土壌収容ケーシング、４１……基板、
４２……側板、５１，６１……走行輪（５１……
牽引用走行輪、６１……従動走行輪）、５４……
適宜駆動手段（走行用原動機）、５，６……車軸
（５……原動車軸、６……従動車軸）。
The drawings show an embodiment of the cultivating bed cultivation device according to the present invention, and FIG. 1 is a front view, FIG. 2 is a plan view, and FIG. 3 is a main part of the − cross section in FIG. 1. diagram,
Fig. 4 is a diagram showing the main parts of the cross section in Fig. 1, Fig. 5 is a view of the shaping device as seen from the direction of the arrow in Fig. 1, and Fig. 6 shows another embodiment of the tilling device. FIG. A... Cultivation tool, P... Cultivation device for cultivation bed, 4... Soil storage casing, 41... Substrate,
42... Side plate, 51, 61... Running wheel (51...
Traction running wheel, 61...driven running wheel), 54...
Appropriate drive means (driving motor), 5, 6... axles (5... driving axle, 6... driven axle).
Claims (1)
記ケーシングに栽培用土壌を収容するとともに前
記耕作装置に耕作用具を設置し、この耕作用具に
よつて前記栽培用土壌を耕耘する栽培ベツド用耕
作装置において、 前記ケーシングを基板の両端縁に側板を突設さ
せることにより横断面略Ｕ字状に形成し、 且つ、 この耕作装置に少なくとも一対の車軸を介して
走行輪を設置し、この走行輪を介して前記耕作装
置を前記側板の上端縁に載置するとともに前記走
行輪を適宜駆動手段によつて回転させることによ
りこの耕作装置を前記側板の上端縁に沿つて移動
させ、 更に、前記耕作用具を前記耕作装置における前
記一対の車軸の間に着脱可能に設置したことを特
徴とする栽培ベツド用耕作装置。[Scope of Claims] 1. A soil containing casing and a cultivation device are provided, and cultivation soil is stored in the casing, and a cultivation tool is installed in the cultivation device, and the cultivation soil is cultivated by the cultivation tool. In a cultivation device for a cultivation bed, the casing is formed into a substantially U-shaped cross section by protruding side plates from both ends of the substrate, and a running wheel is installed on the cultivation device via at least a pair of axles. , placing the cultivation device on the upper edge of the side plate via the running wheel and moving the cultivation device along the upper edge of the side plate by appropriately rotating the running wheel by a drive means; Furthermore, the cultivation device for a cultivation bed is characterized in that the cultivation tool is removably installed between the pair of axles of the cultivation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62124824A JPS6480201A (en) | 1987-05-20 | 1987-05-20 | Cultivating device for culture bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62124824A JPS6480201A (en) | 1987-05-20 | 1987-05-20 | Cultivating device for culture bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6480201A JPS6480201A (en) | 1989-03-27 |
| JPH051B2 true JPH051B2 (en) | 1993-01-05 |
Family
ID=14895014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62124824A Granted JPS6480201A (en) | 1987-05-20 | 1987-05-20 | Cultivating device for culture bed |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6480201A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2444332A1 (en) | 2010-10-22 | 2012-04-25 | Soupletube | Dispensing device suitable for avoiding burnishing of the plastic wall thereof when said device contains a coloured or oxidation-sensitive product |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530427B (en) * | 2018-11-13 | 2020-12-11 | 西安文理学院 | A device for treating oil-contaminated soil by using microorganisms with plants |
-
1987
- 1987-05-20 JP JP62124824A patent/JPS6480201A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2444332A1 (en) | 2010-10-22 | 2012-04-25 | Soupletube | Dispensing device suitable for avoiding burnishing of the plastic wall thereof when said device contains a coloured or oxidation-sensitive product |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6480201A (en) | 1989-03-27 |
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