JPS6190506U - - Google Patents
Info
- Publication number
- JPS6190506U JPS6190506U JP1984175120U JP17512084U JPS6190506U JP S6190506 U JPS6190506 U JP S6190506U JP 1984175120 U JP1984175120 U JP 1984175120U JP 17512084 U JP17512084 U JP 17512084U JP S6190506 U JPS6190506 U JP S6190506U
- Authority
- JP
- Japan
- Prior art keywords
- screw shaft
- extruder
- tip
- degassing section
- gear pump
- 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
- 238000007872 degassing Methods 0.000 claims description 4
- 238000004898 kneading Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims 1
- 238000005469 granulation Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
-
- 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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
-
- 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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/535—Screws with thread pitch varying along the longitudinal axis
-
- 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
- B29C48/365—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pumps, e.g. piston pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
第1図は、本考案の押出機のスクリユー軸構造
の実施例を示す押出機の先端部の断面図、第2図
は、同じくスクリユー軸の先端部の正面図、第3
図は、スクリユー軸の他の構造例を示す要部断面
図、第4図は、従来例として連続混練造粒装置の
要部を示す断面図である。 1:押出機、3:ギヤーポンプ、4:スクリユ
ー軸、4a:スクリユーのフライト、5:シリン
ダー、6:脱気部、8:(バツクフロー用の)通
孔、8a:(先端部の)開口、8b:(脱気部に
位置するスクリユー軸の)開口。
の実施例を示す押出機の先端部の断面図、第2図
は、同じくスクリユー軸の先端部の正面図、第3
図は、スクリユー軸の他の構造例を示す要部断面
図、第4図は、従来例として連続混練造粒装置の
要部を示す断面図である。 1:押出機、3:ギヤーポンプ、4:スクリユ
ー軸、4a:スクリユーのフライト、5:シリン
ダー、6:脱気部、8:(バツクフロー用の)通
孔、8a:(先端部の)開口、8b:(脱気部に
位置するスクリユー軸の)開口。
Claims (1)
- 脱気部を有する押出機の先端部にギヤーポンプ
を接続させた連続混練造粒装置の押出機のスクリ
ユー軸において、スクリユー軸の先端部と脱気部
に位置するスクリユー軸の外周面とを連絡する樹
脂のバツクフロー用の通孔を設けたことを特徴と
する押出機のスクリユー軸構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984175120U JPS6190506U (ja) | 1984-11-20 | 1984-11-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984175120U JPS6190506U (ja) | 1984-11-20 | 1984-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6190506U true JPS6190506U (ja) | 1986-06-12 |
Family
ID=30732724
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984175120U Pending JPS6190506U (ja) | 1984-11-20 | 1984-11-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6190506U (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56115239A (en) * | 1980-02-19 | 1981-09-10 | Japan Steel Works Ltd:The | Screw for single screw extruder |
JPS5887013A (ja) * | 1981-11-18 | 1983-05-24 | Japan Steel Works Ltd:The | 連続混練造粒装置 |
-
1984
- 1984-11-20 JP JP1984175120U patent/JPS6190506U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56115239A (en) * | 1980-02-19 | 1981-09-10 | Japan Steel Works Ltd:The | Screw for single screw extruder |
JPS5887013A (ja) * | 1981-11-18 | 1983-05-24 | Japan Steel Works Ltd:The | 連続混練造粒装置 |
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