JPS49139369U - - Google Patents
Info
- Publication number
- JPS49139369U JPS49139369U JP1973040411U JP4041173U JPS49139369U JP S49139369 U JPS49139369 U JP S49139369U JP 1973040411 U JP1973040411 U JP 1973040411U JP 4041173 U JP4041173 U JP 4041173U JP S49139369 U JPS49139369 U JP S49139369U
- Authority
- JP
- Japan
- 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.)
- Granted
Links
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
- B29C48/535—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
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/52—Screws with an outer diameter varying along the longitudinal axis, e.g. for obtaining different thread clearance
- B29C48/525—Conical screws
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1973040411U JPS5235978Y2 (en) | 1973-04-02 | 1973-04-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1973040411U JPS5235978Y2 (en) | 1973-04-02 | 1973-04-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS49139369U true JPS49139369U (en) | 1974-11-30 |
JPS5235978Y2 JPS5235978Y2 (en) | 1977-08-16 |
Family
ID=28165994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1973040411U Expired JPS5235978Y2 (en) | 1973-04-02 | 1973-04-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5235978Y2 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3143767A (en) * | 1961-07-06 | 1964-08-11 | Krauss Maffei Ag | Multiple screw mixing and extrusion apparatus |
US3525124A (en) * | 1965-08-13 | 1970-08-25 | Werner & Pfleiderer | Extracting apparatus for processing material having eliminable components |
-
1973
- 1973-04-02 JP JP1973040411U patent/JPS5235978Y2/ja not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3143767A (en) * | 1961-07-06 | 1964-08-11 | Krauss Maffei Ag | Multiple screw mixing and extrusion apparatus |
US3525124A (en) * | 1965-08-13 | 1970-08-25 | Werner & Pfleiderer | Extracting apparatus for processing material having eliminable components |
Also Published As
Publication number | Publication date |
---|---|
JPS5235978Y2 (en) | 1977-08-16 |