JPS5936861B2 - How to add fluid additives to extruded products - Google Patents
How to add fluid additives to extruded productsInfo
- Publication number
- JPS5936861B2 JPS5936861B2 JP52060827A JP6082777A JPS5936861B2 JP S5936861 B2 JPS5936861 B2 JP S5936861B2 JP 52060827 A JP52060827 A JP 52060827A JP 6082777 A JP6082777 A JP 6082777A JP S5936861 B2 JPS5936861 B2 JP S5936861B2
- Authority
- JP
- Japan
- Prior art keywords
- extruder
- fluid
- rotation speed
- extruded products
- fluid additives
- 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
Links
- 239000000654 additive Substances 0.000 title claims description 19
- 239000012530 fluid Substances 0.000 title claims description 19
- 235000012438 extruded product Nutrition 0.000 title claims 2
- 230000000996 additive effect Effects 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 229920005992 thermoplastic resin Polymers 0.000 claims description 4
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical compound [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- -1 crosslinking aids Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000002424 termiticide Substances 0.000 description 1
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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
- B29C48/2883—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of preformed parts, e.g. inserts, retaining their shape during the extrusion process
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/29—Feeding the extrusion material to the extruder in liquid form
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- 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
- B29C48/05—Filamentary, e.g. strands
-
- 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
- B29C48/06—Rod-shaped
-
- 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
- B29C48/2886—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of fillers or of fibrous materials, e.g. short-fibre reinforcements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/16—Fillers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Specially Adapted For Manufacturing Cables (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
本発明は流体状添加剤を連続的に一定量ずつ押出機中の
溶融熱可塑性樹脂またはゴム中に注入添加し、混練、押
出する方法の改善に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a method of continuously injecting a fluid additive in a fixed amount into a molten thermoplastic resin or rubber in an extruder, kneading and extruding the additive.
従来、押出機中の溶融熱り塑性樹脂またはゴム中に流体
状添加剤を注入、添加する時、注入のための圧入ポンプ
が必要とされ、しかもこの高圧流体の定量注入のための
定量化ポンプが必要であり、全体としての設備費が高く
、複雑となっていた。Conventionally, when injecting and adding fluid additives into molten thermoplastic resin or rubber in an extruder, a press-in pump is required for injection, and a metering pump is required for injecting a fixed amount of this high-pressure fluid. However, the overall equipment cost was high and complicated.
本発明の目的は前記した欠点を解消することのできた新
規、有用な方法を提供する点にある。An object of the present invention is to provide a new and useful method that overcomes the above-mentioned drawbacks.
本発明の特徴点は、２台の押出機を使用し、両押用機の
スクリューの回転数を次式を満足する範囲内で調節する
ことによって２台目の押出機内を負圧状態とし、この状
態で２台目の押出機内に流体状添加剤を注入する点にあ
る。The feature of the present invention is that two extruders are used, and by adjusting the rotational speed of the screws of both extruders within a range that satisfies the following formula, the inside of the second extruder is brought into a negative pressure state, In this state, the fluid additive is injected into the second extruder.
ここで、
α：堆推進流恒
数：背圧流恒数
γ：漏洩流恒数
μ：：融樹脂またはゴムの粘性係数
△ｐ：圧力差
Ｎ１ ：１台目の押出機のスクリュー回転数Ｎ２ ：２
台目の押出機のスクリュー回転数である。Here, α: Compost flow constant: Back pressure flow constant γ: Leakage flow constant μ:: Viscosity coefficient of molten resin or rubber △p: Pressure difference N1: Screw rotation speed of the first extruder N2: 2
This is the screw rotation speed of the second extruder.
本発明において使用する流体状添加剤とは、可塑剤、安
定剤、溶剤、（液体状もしくは気体状の発泡剤、溶剤、
有機過酸化物等の架橋剤、ビニルシラン等のグラフト反
応剤、光増感剤、架橋助剤、酸化防止剤、充填剤、滑剤
、電圧安定剤、着色剤、導電性カーボンブラック、難燃
剤、難撚助剤、防蟻剤、銅害防止剤、加硫剤、分散剤、
オゾン劣化防止剤等として使用される流体状添加物であ
り、これらは夫々１種類のみならず、２種類以上を予め
混合して添加してもよい。The fluid additives used in the present invention include plasticizers, stabilizers, solvents, (liquid or gaseous blowing agents, solvents,
Crosslinking agents such as organic peroxides, grafting agents such as vinylsilane, photosensitizers, crosslinking aids, antioxidants, fillers, lubricants, voltage stabilizers, colorants, conductive carbon black, flame retardants, retardants Twisting aids, termiticides, copper damage inhibitors, vulcanizing agents, dispersants,
These are fluid additives used as ozone deterioration inhibitors, etc., and these may be added not only in one type, but also in a mixture of two or more types in advance.
次に本発明の一実施例を図面を参照しながら説明する。Next, one embodiment of the present invention will be described with reference to the drawings.
第１図は本発明方法の一実施例に使用される装置の一例
を概略的に示している。FIG. 1 schematically shows an example of an apparatus used in an embodiment of the method of the invention.
１台目の押出機５と２台目の押出機３を図示するように
Ｌ字形に配置し連結管４で接続した押出ラインにおいて
、１台目の押出機５は換言すれば２台目の押出機３への
溶融熱可塑性樹脂の供給装置であって、樹脂ペレットは
ホッパ部６より供給される。In an extrusion line in which the first extruder 5 and the second extruder 3 are arranged in an L-shape and connected by a connecting pipe 4 as shown in the figure, the first extruder 5 is connected to the second extruder 5. This is a device for supplying molten thermoplastic resin to the extruder 3, and resin pellets are supplied from a hopper section 6.
２台目の押出機３はクロスヘッド１１を有する側とは反
対側に流体シール装置２を有し、注入パイプ１０からの
流体状添加剤は添加剤ホッパ一部８より流量計９を通じ
注入パイプ１０を経て２台目の押出機３に流入される。The second extruder 3 has a fluid sealing device 2 on the side opposite to the side with the crosshead 11, and the fluid additive from the injection pipe 10 is passed from the additive hopper part 8 through the flow meter 9 to the injection pipe. 10 and then flows into the second extruder 3.
７および１は夫々１合口および２台目の押出機のスクリ
ュー駆動装置であり、Ｗはクロスヘッド１１を通って走
行する線状体である。7 and 1 are screw drive devices of the first joint and the second extruder, respectively, and W is a linear body running through the crosshead 11.
２台目の押出機３のスクリュー回転は、１台目の押出機
５からの溶融押出物をすべて搬送するのに要する回転数
よりわずかに多い回転数で回転される。The screw of the second extruder 3 is rotated at a rotation speed slightly higher than the rotation speed required to convey all of the molten extrudate from the first extruder 5.
従って添加剤注入パイプ１０の内部は大気圧よりわづか
に負圧の状態となり、添加剤は容易に２台目の押出機３
中に注入が出来る。Therefore, the inside of the additive injection pipe 10 is in a state of slightly negative pressure than atmospheric pressure, and the additive is easily transferred to the second extruder 3.
You can inject it inside.
この添加量は２台目の押出機のスクリューの回転数を調
節することによって零から任意の量まで変えることがで
きた。The amount added could be varied from zero to any desired amount by adjusting the rotational speed of the screw of the second extruder.
具体例を挙げれば、７５％の２台の押出機をＬ字形に接
続し、流体状添加剤として液状ビニルシランを注入した
際、１台目の押出機の回転数３２ｒｐｍに対して２台目
の押出機の回転数を種々変化させたところ、注入量は第
２図に示すような直線関係を得た。To give a specific example, when two 75% extruders are connected in an L shape and liquid vinyl silane is injected as a fluid additive, the rotation speed of the first extruder is 32 rpm, while the rotation speed of the second extruder is 32 rpm. When the rotational speed of the extruder was varied, a linear relationship was obtained between the injection amounts as shown in FIG. 2.
このことからも２台目の押出機の回転数を１台目の押出
機のそれよりもわずかに多（すれば、充分な注入量が得
られることが判る。This also shows that a sufficient injection amount can be obtained if the rotational speed of the second extruder is slightly higher than that of the first extruder.
以上の説明から明らかなように、本発明の方法は圧力差
を利用して流体状添加剤を押出機内に注入する方式であ
るから、従来のこの種方法において必須不可欠とされて
いた圧入ポンプ、定量化ポンプが不要となった。As is clear from the above explanation, since the method of the present invention utilizes a pressure difference to inject fluid additives into the extruder, a press-in pump, which has been indispensable in conventional methods of this type, is used. A quantification pump is no longer required.
しかも第２図に示した特性からも明らかなように、高精
度の定量注入が実現できた。Moreover, as is clear from the characteristics shown in FIG. 2, highly accurate quantitative injection was achieved.
なお、本発明において、更に精度の良い一定量注入をお
こなうために、流体状添加剤の注入流量の変化を信号と
して検出し、この変化信号を１台目または／および２台
目の押出機のスクリュー回転数指令信号に変換し、１台
目または／および２台目の押出機のスクリュー回転数を
制御することによって流体状添加剤の流量を自動的にコ
ントロールするようにしてもよい。In addition, in the present invention, in order to perform a fixed amount injection with higher precision, a change in the injection flow rate of the fluid additive is detected as a signal, and this change signal is sent to the first and/or second extruder. The flow rate of the fluid additive may be automatically controlled by converting it into a screw rotation speed command signal and controlling the screw rotation speed of the first and/or second extruder.
勿論このような実施例も本発明の範囲内に包含される。Of course, such embodiments are also included within the scope of the present invention.
第１図は本発明方法の一実施例に使用される装置の一例
を概略的に示す説明図、第２図は本発明の一実施例にお
ける２台目の押出機の回転数と流体状添加剤注入量との
関係を示す線図である。
５：１台目の押出機、３：２台目の押出機、４：連結管
、６：ホッパ部、１０：注入パイプ、９：流量計、２：
流体シール装置、７および１：押出機のスクリュー駆動
装置、１１：クロスヘッド、Ｗ：線条体。FIG. 1 is an explanatory diagram schematically showing an example of an apparatus used in an embodiment of the method of the present invention, and FIG. 2 is a diagram showing the rotational speed of the second extruder and fluid addition in an embodiment of the present invention. FIG. 3 is a diagram showing the relationship with the amount of drug injection. 5: 1st extruder, 3: 2nd extruder, 4: Connecting pipe, 6: hopper section, 10: Injection pipe, 9: Flow meter, 2:
Fluid sealing device, 7 and 1: extruder screw drive, 11: crosshead, W: filament.
Claims (1)
２台目の押出機中へ供給すると共に、２台目の押出機中
には流体状添加剤を注入する方法において、両押用機の
スクリュー回転数を調節するコことにより２台目の押出
機内を負圧状態としこの状態で２台目の押出機内に流体
状添加剤を注入することを特徴とする流体状添加剤を押
出成型品中に添加する方法。 ２ 流体状添加剤の注入流量の変化を検出し、この検出
信号に応じて１台目または／および２台目の押出機のス
クリュー回転数を制御することを特徴とする第１項記載
の方法。[Claims] 1. Thermoplastic resin or rubber is fed into a second extruder through a first extruder, and a fluid additive is injected into the second extruder. The method is characterized in that the inside of the second extruder is brought into a negative pressure state by adjusting the screw rotation speed of both extruders, and the fluid additive is injected into the second extruder in this state. A method of adding fluid additives into extruded products. 2. The method according to item 1, characterized in that a change in the injection flow rate of the fluid additive is detected, and the screw rotation speed of the first and/or second extruder is controlled according to this detection signal. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52060827A JPS5936861B2 (en) | 1977-05-25 | 1977-05-25 | How to add fluid additives to extruded products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP52060827A JPS5936861B2 (en) | 1977-05-25 | 1977-05-25 | How to add fluid additives to extruded products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53145873A JPS53145873A (en) | 1978-12-19 |
| JPS5936861B2 true JPS5936861B2 (en) | 1984-09-06 |
Family
ID=13153567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52060827A Expired JPS5936861B2 (en) | 1977-05-25 | 1977-05-25 | How to add fluid additives to extruded products |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5936861B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTO20030764A1 (en) * | 2003-10-01 | 2005-04-02 | Maris Flli Spa | PERFECT PROCESS OF CONTINUOUS PRODUCTION OF |
-
1977
- 1977-05-25 JP JP52060827A patent/JPS5936861B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53145873A (en) | 1978-12-19 |
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