JPS6243720U - - Google Patents
Info
- Publication number
- JPS6243720U JPS6243720U JP1985135175U JP13517585U JPS6243720U JP S6243720 U JPS6243720 U JP S6243720U JP 1985135175 U JP1985135175 U JP 1985135175U JP 13517585 U JP13517585 U JP 13517585U JP S6243720 U JPS6243720 U JP S6243720U
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- tube
- plastic
- internal pressure
- plastic tube
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 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
- B29C48/92—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
- B29C2948/92514—Pressure
-
- 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
- B29C2948/92904—Die; Nozzle zone
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Description
添付図面は、本考案製造装置の一実施例を示す
説明図である。
１：プラスチツクチユーブ、２：コントロール
バルブ、３：ダミ調整バルブ、４：エアフイルタ
、５：エア蓄積器、６：エア発生装置、７：ＰＩ
Ｄ信号処理装置。８：差圧検出装置、９：エア供
給口、１０：押出機、１１：エア圧力設定器。
The accompanying drawings are explanatory diagrams showing one embodiment of the manufacturing apparatus of the present invention. 1: Plastic tube, 2: Control valve, 3: Dummy adjustment valve, 4: Air filter, 5: Air accumulator, 6: Air generator, 7: PI
D signal processing device. 8: Differential pressure detection device, 9: Air supply port, 10: Extruder, 11: Air pressure setting device.
Claims (1)
出すプラスチツクチユーブの製造装置において、
該押出されたチユーブの内部に圧力を加えると共
に、チユーブ内圧と大気圧の微差圧を検出して、
これをフイードバツク量として、内圧を調整する
よう構成されたことを特徴とするプラスチツクチ
ユーブの製造装置。 In a plastic tube manufacturing device that extrudes plastic tubes into the atmosphere from an extruder,
While applying pressure inside the extruded tube, detecting the slight pressure difference between the tube internal pressure and atmospheric pressure,
A plastic tube manufacturing apparatus characterized in that the internal pressure is adjusted using this as a feedback amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985135175U JPS6243720U (en) | 1985-09-04 | 1985-09-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985135175U JPS6243720U (en) | 1985-09-04 | 1985-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6243720U true JPS6243720U (en) | 1987-03-16 |
Family
ID=31037107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985135175U Pending JPS6243720U (en) | 1985-09-04 | 1985-09-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6243720U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63254009A (en) * | 1987-04-13 | 1988-10-20 | Ishikawajima Harima Heavy Ind Co Ltd | Blow molding head |
| JPS6470066A (en) * | 1987-09-11 | 1989-03-15 | Nippon Medical Supply | Preparation of tube for blood circuit |
| JPH0570854U (en) * | 1991-02-08 | 1993-09-24 | 川崎重工業株式会社 | Flat plate grinding machine |
| JPH0570855U (en) * | 1991-02-08 | 1993-09-24 | 川崎重工業株式会社 | Flat plate grinding machine |
-
1985
- 1985-09-04 JP JP1985135175U patent/JPS6243720U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63254009A (en) * | 1987-04-13 | 1988-10-20 | Ishikawajima Harima Heavy Ind Co Ltd | Blow molding head |
| JPS6470066A (en) * | 1987-09-11 | 1989-03-15 | Nippon Medical Supply | Preparation of tube for blood circuit |
| JPH0570854U (en) * | 1991-02-08 | 1993-09-24 | 川崎重工業株式会社 | Flat plate grinding machine |
| JPH0570855U (en) * | 1991-02-08 | 1993-09-24 | 川崎重工業株式会社 | Flat plate grinding machine |