JPS57116427U - - Google Patents
Info
- Publication number
- JPS57116427U JPS57116427U JP1981003420U JP342081U JPS57116427U JP S57116427 U JPS57116427 U JP S57116427U JP 1981003420 U JP1981003420 U JP 1981003420U JP 342081 U JP342081 U JP 342081U JP S57116427 U JPS57116427 U JP S57116427U
- 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
- B29C48/56—Screws having grooves or cavities other than the thread or the channel
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981003420U JPS6114415Y2 (enExample) | 1981-01-12 | 1981-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981003420U JPS6114415Y2 (enExample) | 1981-01-12 | 1981-01-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57116427U true JPS57116427U (enExample) | 1982-07-19 |
| JPS6114415Y2 JPS6114415Y2 (enExample) | 1986-05-06 |
Family
ID=29801850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981003420U Expired JPS6114415Y2 (enExample) | 1981-01-12 | 1981-01-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6114415Y2 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017222156A (ja) * | 2016-04-06 | 2017-12-21 | デイビス − スタンダード、エルエルシー | 様々な角度及び深さの溝を有する可塑化装置用スクリュ |
-
1981
- 1981-01-12 JP JP1981003420U patent/JPS6114415Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017222156A (ja) * | 2016-04-06 | 2017-12-21 | デイビス − スタンダード、エルエルシー | 様々な角度及び深さの溝を有する可塑化装置用スクリュ |
| US11192279B2 (en) | 2016-04-06 | 2021-12-07 | Davis-Standard, Llc | Plasticating apparatus screw having grooves of varying angles and depths |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6114415Y2 (enExample) | 1986-05-06 |