JPH0276021U - - Google Patents
Info
- Publication number
- JPH0276021U JPH0276021U JP1988154659U JP15465988U JPH0276021U JP H0276021 U JPH0276021 U JP H0276021U JP 1988154659 U JP1988154659 U JP 1988154659U JP 15465988 U JP15465988 U JP 15465988U JP H0276021 U JPH0276021 U JP H0276021U
- Authority
- JP
- Japan
- Prior art keywords
- screw
- flight
- view
- length
- screw flight
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/64—Screws with two or more threads
- B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988154659U JPH0628260Y2 (ja) | 1988-11-28 | 1988-11-28 | 可塑化装置のスクリュ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988154659U JPH0628260Y2 (ja) | 1988-11-28 | 1988-11-28 | 可塑化装置のスクリュ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0276021U true JPH0276021U (en]) | 1990-06-11 |
| JPH0628260Y2 JPH0628260Y2 (ja) | 1994-08-03 |
Family
ID=31431590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988154659U Expired - Fee Related JPH0628260Y2 (ja) | 1988-11-28 | 1988-11-28 | 可塑化装置のスクリュ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0628260Y2 (en]) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5231324U (en]) * | 1975-08-26 | 1977-03-04 |
-
1988
- 1988-11-28 JP JP1988154659U patent/JPH0628260Y2/ja not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5231324U (en]) * | 1975-08-26 | 1977-03-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0628260Y2 (ja) | 1994-08-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |