JPS57176B2 - - Google Patents
Info
- Publication number
- JPS57176B2 JPS57176B2 JP7106374A JP7106374A JPS57176B2 JP S57176 B2 JPS57176 B2 JP S57176B2 JP 7106374 A JP7106374 A JP 7106374A JP 7106374 A JP7106374 A JP 7106374A JP S57176 B2 JPS57176 B2 JP S57176B2
- 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.)
- Expired
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
- B29C48/565—Screws having projections other than the thread, e.g. pins
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
- B29C45/50—Axially movable screw
- B29C45/52—Non-return devices
- B29C2045/528—Mixing means forming part of or in close proximity to the non-return valve
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7106374A JPS57176B2 (OSRAM) | 1974-06-21 | 1974-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7106374A JPS57176B2 (OSRAM) | 1974-06-21 | 1974-06-21 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40778A Division JPS5415959A (en) | 1978-01-06 | 1978-01-06 | Production of molded product with flow pattern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50161552A JPS50161552A (OSRAM) | 1975-12-27 |
| JPS57176B2 true JPS57176B2 (OSRAM) | 1982-01-05 |
Family
ID=13449681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7106374A Expired JPS57176B2 (OSRAM) | 1974-06-21 | 1974-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57176B2 (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61255828A (ja) * | 1985-05-10 | 1986-11-13 | Sekisui Plastics Co Ltd | 合成樹脂押出機 |
| DE102016119172B4 (de) * | 2016-10-10 | 2020-03-05 | Kraussmaffei Technologies Gmbh | Spritzgießmaschine zur Herstellung von faserverstärkten Kunststoff-Formteilen |
-
1974
- 1974-06-21 JP JP7106374A patent/JPS57176B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50161552A (OSRAM) | 1975-12-27 |