JPH0611110Y2 - FRP resin material crushing device - Google Patents
FRP resin material crushing deviceInfo
- Publication number
- JPH0611110Y2 JPH0611110Y2 JP10632187U JP10632187U JPH0611110Y2 JP H0611110 Y2 JPH0611110 Y2 JP H0611110Y2 JP 10632187 U JP10632187 U JP 10632187U JP 10632187 U JP10632187 U JP 10632187U JP H0611110 Y2 JPH0611110 Y2 JP H0611110Y2
- Authority
- JP
- Japan
- Prior art keywords
- blade unit
- fixed lower
- movable upper
- frp
- attached
- 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
- 239000000463 material Substances 0.000 title claims description 30
- 239000011347 resin Substances 0.000 title claims description 18
- 229920005989 resin Polymers 0.000 title claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000010008 shearing Methods 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000012779 reinforcing material Substances 0.000 description 4
- 239000003082 abrasive agent Substances 0.000 description 3
- 230000036541 health Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Crushing And Pulverization Processes (AREA)
- Disintegrating Or Milling (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processing Of Solid Wastes (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、FRP樹脂材の破砕装置に関するものであ
り、一層詳細には、FRP樹脂を素材とする小型船舶な
どの廃棄処理作業に好適に使用される破砕装置に関する
ものである。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to an apparatus for crushing FRP resin material, and more specifically, it is suitable for waste disposal work of small vessels made of FRP resin material. It relates to a crushing device used.
従来より、ガラス繊維などの強化材と熱硬化性樹脂との
複合材料であるFRP樹脂材(Fiber Reinforced Plasti
cs)は、強度および耐熱性に優れしかも寸法安定性も良
いことから、ボート、ヨット、漁船などの小型船舶、車
輌部品、住宅用品、電器部品などの分野で広範に使用さ
れている。Conventionally, FRP resin material (Fiber Reinforced Plasti) which is a composite material of a reinforcing material such as glass fiber and a thermosetting resin is used.
Since cs) has excellent strength and heat resistance and good dimensional stability, it is widely used in the fields of boats, yachts, small boats such as fishing boats, vehicle parts, housing products, and electrical parts.
ところで、このようなFRP樹脂を素材とした小型船舶
を廃棄処理するに際しては、被廃棄船舶をハンマーある
いは電動鋸などを使用して小塊化した後、この小塊化し
たFRP材を廃ガス規制などの条件を満した焼却施設で
焼却廃棄しているが、船舶の骨組材としての鋼材などか
らFRP樹脂材を分離ないしは小塊化する作業が面倒で
コストも嵩むだけでなく、作業時にFRP樹脂材の強化
材であるガラス繊維などが微細な粉塵となって舞い上が
り作業者の健康を害するなどの問題点が指摘されてい
た。By the way, when such a small vessel made of FRP resin is disposed of, the vessel to be discarded is made into small pieces by using a hammer or an electric saw, and the small pieces of FRP material are subjected to waste gas regulation. Although it is incinerated and discarded in an incinerator that satisfies the above conditions, it is not only troublesome and costly to separate the FRP resin material from steel etc. as a frame material of a ship or to make it into small lumps. It has been pointed out that glass fiber, which is a reinforcing material for materials, becomes fine dust and flies up, impairing the health of workers.
そこでこの考案では、作業機のアーム先端に取着される
装置本体の前端部に固定下刃ユニットを突設するととも
にこの固定下刃ユニットの基部に可動上刃ユニットを軸
着し、前記可動上刃ユニットを油圧機構の作用下に固定
下刃ユニットに対して回動自在に構成し、これらの固定
下刃ユニットおよび可動上刃ユニットの各対向部分に剪
断刃を配設し、さらに前記可動上刃ユニットの先端部に
超高圧流体噴出機構を着脱自在に付設するとともにこの
可動上刃ユニットの長手方向に沿って水膜が形成される
ように構成した水噴霧機構を付設した破砕装置を使用す
ることによりFRP樹脂材の小塊化作業の容易化と処理
コストの低減化とともに微細粉塵の飛散も阻止しようと
するものである。Therefore, in this invention, a fixed lower blade unit is provided so as to project from the front end portion of the device body attached to the arm tip of the working machine, and a movable upper blade unit is axially attached to the base portion of the fixed lower blade unit, so that the movable upper blade unit is The blade unit is configured to be rotatable with respect to the fixed lower blade unit under the action of a hydraulic mechanism, and a shearing blade is arranged at each opposing portion of the fixed lower blade unit and the movable upper blade unit. An ultrahigh pressure fluid jetting mechanism is removably attached to the tip of the blade unit, and a crushing device is attached with a water spraying mechanism configured to form a water film along the longitudinal direction of the movable upper blade unit. This facilitates the work of making the FRP resin material into small pieces, reduces the processing cost, and prevents the scattering of fine dust.
この場合、超高圧流体噴射機構としてはウォータージェ
ットノズルあるいはアブレッシブルウォータージェット
ノズルが好適に採用できる。In this case, a water jet nozzle or an abrasive water jet nozzle can be preferably used as the ultrahigh pressure fluid ejecting mechanism.
この考案に係る破砕装置は、FRP構造体に超高圧流体
を噴射して適宜裁断した後、裁断されたFRP材を固定
下刃ユニットの剪断刃と可動上刃ユニットの剪断刃との
間に挟み、さらに可動上刃ユニットを油圧機構の作用で
固定下刃ユニット側に回動させて細かく圧潰剪断すると
ともにこの剪断作業時にFRP材に対し水を噴霧して破
砕処理するものである。The crushing device according to the present invention sprays an ultra-high pressure fluid onto the FRP structure to cut it appropriately, and then sandwiches the cut FRP material between the shearing blade of the fixed lower blade unit and the shearing blade of the movable upper blade unit. Further, the movable upper blade unit is rotated to the fixed lower blade unit side by the action of the hydraulic mechanism to finely crush and shear, and at the same time, the FRP material is sprayed with water for crushing processing.
次に、本考案に係るFRP樹脂材の破砕装置の好適な実
施例につき添付図面を参照しながら以下詳細に説明す
る。Next, a preferred embodiment of the FRP resin material crushing apparatus according to the present invention will be described in detail below with reference to the accompanying drawings.
第1図および第2図において、本考案に係る破砕装置1
0は、図示しない作業機のアームAの先端にブラケット
を介して取着したボデー本体12の前端部に突設される
固定下刃ユニット14と、この固定下刃ユニット14の
基部近傍のボデー本体12に装着される枢軸16に取着
した可動上刃ユニット18と、可動上刃ユニット18を
枢軸16を支点として回動させる油圧機構20と、前記
固定下刃ユニット14および可動上刃ユニット18の対
向する側面部分に配設した剪断刃22,24とを備えて
おり、前記可動上刃ユニット18には超高圧水噴射機構
26と水噴霧機構28とが付設されている。1 and 2, the crushing device 1 according to the present invention
Reference numeral 0 denotes a fixed lower blade unit 14 projecting from the front end of a body 12 attached to the tip of an arm A of a working machine via a bracket, and a body of the fixed lower blade unit 14 near the base thereof. Of the movable upper blade unit 18 attached to the pivot 16 mounted on the shaft 12, the hydraulic mechanism 20 for rotating the movable upper blade unit 18 with the pivot 16 as a fulcrum, the fixed lower blade unit 14 and the movable upper blade unit 18. The movable upper blade unit 18 is provided with a super-high pressure water jetting mechanism 26 and a water spraying mechanism 28.
ボデー本体12の内部上方には油圧機構20としての油
圧シリンダ30の尾端が軸32により軸支されており、
この油圧シリンダ30のロッド34の先端部は同様に軸
36を介して可動上刃ユニット18に軸支されている。A tail end of a hydraulic cylinder 30 as a hydraulic mechanism 20 is pivotally supported by a shaft 32 above the body body 12.
Similarly, the tip of the rod 34 of the hydraulic cylinder 30 is pivotally supported by the movable upper blade unit 18 via the shaft 36.
また、固定下刃ユニット14は、先端を尖状に形成する
とともに上面中位部を内方に向かって傾斜させた角錐形
鋼製材からなり、この角錐形鋼製材の上面偶角部には4
つのブロック状剪断材38が取付部材40を介して取替
自在に配設され剪断刃22を形成している。The fixed lower blade unit 14 is made of a pyramidal steel material whose tip is formed in a pointed shape and whose upper surface middle portion is inclined inward.
One block-shaped shearing member 38 is replaceably arranged via a mounting member 40 to form the shearing blade 22.
一方、可動上刃ユニット18は、先端に鉤部42を形成
するとともに下面中位部を同様に内方に向かって傾斜さ
せた角錐形鋼製材からなり、この角錐形鋼製材における
前記剪断刃22と対向する下面偶角部にも取付部材40
を介して取替自在に配設した4つのブロック状剪断材3
8により剪断刃24が形成されている。On the other hand, the movable upper blade unit 18 is made of a pyramidal steel material in which a hook portion 42 is formed at the tip and a lower surface middle portion is similarly inclined inward, and the shear blade 22 in the pyramidal steel material is used. The mounting member 40 is also attached to the lower even corner portion facing the
4 block-shaped shearing members 3 that can be exchanged through
A shear blade 24 is formed by 8.
可動上刃ユニット18に付設される超高圧水噴射機構2
6は、先端鉤部42上方に形成した取付部44に着脱自
在に装着されるウォータージェットノズル46を超高圧
水供給管48および供給系50を介して超高圧発生装置
52に接続することにより構成されている。Ultra-high pressure water injection mechanism 2 attached to the movable upper blade unit 18
6 is configured by connecting a water jet nozzle 46, which is detachably attached to a mounting portion 44 formed above the tip hook portion 42, to an ultrahigh pressure generator 52 via an ultrahigh pressure water supply pipe 48 and a supply system 50. Has been done.
なお、前記取付部44には、第3図に示すように供給管
56を介して研磨材(アブレッシブル材)供給装置58
に接続した研磨材供給系を有するアブレッシブルウオー
タージェットノズル54を装着してもよく、この場合は
FRP樹脂材の裁断作業をさらに迅速かつ容易に行うこ
とが可能となる。As shown in FIG. 3, an abrasive material (abrasive material) supply device 58 is attached to the attachment portion 44 via a supply pipe 56.
The abrasive water jet nozzle 54 having an abrasive supply system connected to the above may be mounted, and in this case, the cutting operation of the FRP resin material can be performed more quickly and easily.
さらに、水噴霧機構28は、前記超高圧水噴射機構26
の超高圧水供給管48を内装した二重管60からなり、
この二重管60の長手方向に沿って斜め下方に指向する
多数の噴水孔62を穿設するとともにその端部を、例え
ば、70kg/cm2〜150kg/cm2程度の低圧水供給系64に接
続することにより構成されている(第4図参照)。Further, the water spray mechanism 28 is the ultra high pressure water injection mechanism 26.
Consisting of a double pipe 60 with the ultra high pressure water supply pipe 48 of
The end with bored many fountains holes 62 directed obliquely downward along the longitudinal direction of the double pipe 60, for example, to 70kg / cm 2 ~150kg / cm 2 about the low-pressure water supply system 64 It is configured by connecting (see FIG. 4).
次にこのように構成される本考案に係る破砕装置を使用
してFRP構造体の一例であるFRP樹脂製船舶を破砕
処理する場合につき第5図を参照しながら説明する。Next, a case of crushing a ship made of FRP resin, which is an example of an FRP structure, by using the crushing device according to the present invention configured as described above will be described with reference to FIG.
すなわち、FRP樹脂製船舶を破砕処理するに際して
は、まず、この船舶を乾ドックあるいは処理ヤードに上
げて適宜の手段で固定した後、破砕装置10の可動上刃
ユニット18の先端鉤部42上方に装着したウォーター
ジェットノズル46の噴射口を該船舶に指向させ、超高
圧発生装置52で、例えば、1000kg/cm2〜3000kg/cm2の
圧力に昇圧した超高圧水(ウォータージェット水)を噴
射することにより船舶のFRP樹脂部分を適宜裁断す
る。That is, when crushing a ship made of FRP resin, first, the ship is raised to a dry dock or a processing yard and fixed by an appropriate means, and then above the tip hook 42 of the movable upper blade unit 18 of the crusher 10. the injection port of the water jet nozzle 46 mounted to direct to the ship, an ultra high pressure apparatus 52, for example, injecting 1000kg / cm 2 ~3000kg / cm ultrahigh-pressure water that is pressurized to a pressure of 2 (water jet water) By doing so, the FRP resin portion of the ship is appropriately cut.
なお、この際、船舶の骨組材としての鋼材などは固定下
刃ユニット14の剪断刃22と可動上刃ユニット18の
剪断刃24との間に挟んで油圧機構20を作用させ適宜
裁断すれば良い。At this time, steel or the like as the frame material of the ship may be appropriately cut by sandwiching it between the shearing blade 22 of the fixed lower blade unit 14 and the shearing blade 24 of the movable upper blade unit 18 to operate the hydraulic mechanism 20. .
また、この場合ウォータージェットノズル46に代えて
アブレッシブルウオータージェットノズル54を使用す
れば、これらの作業を容易にかつ効率的に行うことがで
きることは勿論である。Further, in this case, if the abrasable water jet nozzle 54 is used instead of the water jet nozzle 46, it goes without saying that these operations can be performed easily and efficiently.
次に、ウォータージェット水あるいはアブレッシブルウ
ォータージェット水によって小塊化されたFRP材を適
宜纏めて固定下刃ユニット14の剪断刃22と可動上刃
ユニット18の剪断刃24との間に挟み、油圧機構20
を作用させて、例えば、100トン程度の圧力で圧潰して
細かく剪断するが、この際小塊化されたFRP材は剪断
刃22および24が夫々内方に向かって傾斜しているの
で包みこまれるように圧潰剪断されることになり、しか
も最終的に固定下刃ユニット14の尖状部と可動上刃ユ
ニット18の先端鉤部42とが交差するのでFRP材が
飛び出したり脱落する等の不都合を確実に回避すること
ができる。Next, the FRP material lumped with water jet water or abrasive water jet water is appropriately collected and sandwiched between the shearing blade 22 of the fixed lower blade unit 14 and the shearing blade 24 of the movable upper blade unit 18 to form a hydraulic mechanism. 20
, For example, it is crushed at a pressure of about 100 tons and finely sheared. At this time, the crushed FRP material is wrapped up because the shearing blades 22 and 24 are inclined inward. Since the pointed portion of the fixed lower blade unit 14 and the tip hook portion 42 of the movable upper blade unit 18 intersect each other, the FRP material jumps out or falls off. Can be reliably avoided.
また、この圧潰剪断作業時にFRP材に対し水噴霧機構
28の噴水孔62から水を噴霧して該FRP材の周囲に
水膜を形成することによりFRP材中の強化材(ガラス
繊維)が微細粉塵として周囲に飛散するのを阻止する。Further, during the crushing and shearing work, water is sprayed onto the FRP material from the fountain holes 62 of the water spray mechanism 28 to form a water film around the FRP material, so that the reinforcing material (glass fiber) in the FRP material becomes fine. Prevents scattering as dust.
なお、このようにして圧潰剪断されたFRP材は廃棄ガ
ス規制などの条件を満した焼却施設で適宜焼却処理する
ことになる。The FRP material thus crushed and sheared is appropriately incinerated in an incineration facility that satisfies conditions such as waste gas regulations.
先に述べたように、本考案に係る破砕装置によれば、F
RP樹脂材の裁断を超高圧水により行うので次段の圧潰
剪断などの小塊化作業を簡便に行うことができるだけで
なく、小塊化したFRP材を包みこむようにして圧潰剪
断するので飛び出したり脱落する等の惧れもなく、従っ
て破砕処理を能率的にかつ安価に行うことができる。ま
た、小塊化作業時に発生するガラス繊維など強化材の微
細粉塵の周囲への飛散も確実に阻止できるので作業者の
健康を阻害する惧れがないなど種々の利点を有しその実
用的効果は極めて大きい。As described above, according to the crushing device of the present invention, the F
Since the RP resin material is cut with ultra-high pressure water, it is possible to easily perform the crushing work such as crushing and shearing in the next stage, and also to crush and crush the crushed FRP material so that it pops out or falls off. Therefore, the crushing process can be performed efficiently and inexpensively. In addition, since it is possible to reliably prevent the scattering of fine dust of reinforcing materials such as glass fiber generated during lumping work to the surroundings, there is no fear of impairing the health of workers and there are various advantages. Is extremely large.
以上、本考案に係るFRP樹脂材の破砕装置の好適な実
施例につき説明したが本考案はこの実施例に限定される
ものではなく、本考案の精神を逸脱しない範囲内におい
て種々の改変をなし得ることは勿論である。The preferred embodiment of the FRP resin material crushing device according to the present invention has been described above, but the present invention is not limited to this embodiment, and various modifications can be made without departing from the spirit of the present invention. Of course you can get it.
第1図は本考案に係るFRP樹脂材の破砕装置の好適な
実施例を示す一部断面説明図、第2図は第1図の側面
図、第3図は第1図に示す装置にアブレッシブルウオー
タージェットノズルからなる超高圧流体噴射機構を付設
した別の実施例の説明図、第4図は第1図に示す装置に
付設する水噴霧機構の説明図、第5図は本考案に係る破
砕装置でFRP樹脂製船舶を破砕処理する場合の処理工
程説明図である。 10…破砕装置、12…ボデー本体、 14…固定下刃ユニット、16…枢軸、 18…可動上刃ユニット、20…油圧機構、 22,24…剪断刃、26…超高圧水噴射機構、 28…水噴霧機構、30…油圧シリンダ、 32,36…軸、34…ロッド、 38…ブロック状剪断材、40…取付部材、 42…鉤部、44…取付部 46…ウォータージェットノズル、 48…超高圧水供給、50…供給系、 52…超高圧発生装置、56…供給管、 54…アブレッシブルウオータージェットノズル、 58…研磨材供給装置、60…二重管、 62…噴水孔、64…水供給系、FIG. 1 is a partial cross-sectional explanatory view showing a preferred embodiment of an FRP resin material crushing device according to the present invention, FIG. 2 is a side view of FIG. 1, and FIG. 3 is an abradable device to the device shown in FIG. FIG. 4 is an explanatory view of another embodiment in which an ultra-high pressure fluid injection mechanism including a water jet nozzle is attached, FIG. 4 is an explanatory view of a water spray mechanism attached to the apparatus shown in FIG. 1, and FIG. 5 is related to the present invention. It is a processing-process explanatory drawing at the time of crushing an FRP resin ship with a crushing device. 10 ... Crushing device, 12 ... Body, 14 ... Fixed lower blade unit, 16 ... Axis, 18 ... Movable upper blade unit, 20 ... Hydraulic mechanism, 22, 24 ... Shearing blade, 26 ... Ultra high pressure water jet mechanism, 28 ... Water spray mechanism, 30 ... Hydraulic cylinder, 32, 36 ... Shaft, 34 ... Rod, 38 ... Block-shaped shearing material, 40 ... Mounting member, 42 ... Hook portion, 44 ... Mounting portion 46 ... Water jet nozzle, 48 ... Ultra high pressure Water supply, 50 ... Supply system, 52 ... Super high pressure generator, 56 ... Supply pipe, 54 ... Abrasive water jet nozzle, 58 ... Abrasive material supply device, 60 ... Double pipe, 62 ... Fountain hole, 64 ... Water supply system,
Claims (1)
の前端部に固定下刃ユニットを突設するとともにこの固
定下刃ユニットの基部に可動上刃ユニットを軸着し、前
記可動上刃ユニットを油圧機構の作用下に固定下刃ユニ
ットに対して回動自在に構成し、これらの固定下刃ユニ
ットおよび可動上刃ユニットの各対向部分に剪断刃を配
設し、さらに前記可動上刃ユニットの先端部に超高圧流
体噴出機構を着脱自在に付設するとともにこの可動上刃
ユニットの長手方向に沿って水膜が形成されるように構
成した水噴霧機構を付設することを特徴とするFRP樹
脂材の破砕装置。1. A fixed lower blade unit is provided so as to project from a front end portion of an apparatus main body attached to a tip of an arm of a working machine, and a movable upper blade unit is axially attached to a base portion of the fixed lower blade unit. The blade unit is configured to be rotatable with respect to the fixed lower blade unit under the action of a hydraulic mechanism, and a shearing blade is arranged at each opposing portion of the fixed lower blade unit and the movable upper blade unit. An ultra-high pressure fluid jetting mechanism is detachably attached to the tip of the blade unit, and a water spraying mechanism is also attached so that a water film is formed along the longitudinal direction of the movable upper blade unit. FRP resin material crushing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10632187U JPH0611110Y2 (en) | 1987-07-13 | 1987-07-13 | FRP resin material crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10632187U JPH0611110Y2 (en) | 1987-07-13 | 1987-07-13 | FRP resin material crushing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6412648U JPS6412648U (en) | 1989-01-23 |
| JPH0611110Y2 true JPH0611110Y2 (en) | 1994-03-23 |
Family
ID=31339720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10632187U Expired - Fee Related JPH0611110Y2 (en) | 1987-07-13 | 1987-07-13 | FRP resin material crushing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611110Y2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2071053A (en) * | 1980-03-10 | 1981-09-16 | Labounty Roy E | Improved grapple and shear assembly |
| JPS6096968A (en) * | 1983-10-31 | 1985-05-30 | Sharp Corp | Display device |
| JPS60127111A (en) * | 1983-12-14 | 1985-07-06 | Suda Seisakusho:Kk | Chopping treater of scrap plastic film |
| JPS611554U (en) * | 1984-06-11 | 1986-01-08 | 日立建機株式会社 | cutter device |
-
1987
- 1987-07-13 JP JP10632187U patent/JPH0611110Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6412648U (en) | 1989-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |