JPS4917840A - - Google Patents
Info
- Publication number
- JPS4917840A JPS4917840A JP47056695A JP5669572A JPS4917840A JP S4917840 A JPS4917840 A JP S4917840A JP 47056695 A JP47056695 A JP 47056695A JP 5669572 A JP5669572 A JP 5669572A JP S4917840 A JPS4917840 A JP S4917840A
- 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
- B29C48/53—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)
- Molding Of Porous Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5669572A JPS5513897B2 (en:Method) | 1972-06-07 | 1972-06-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5669572A JPS5513897B2 (en:Method) | 1972-06-07 | 1972-06-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4917840A true JPS4917840A (en:Method) | 1974-02-16 |
| JPS5513897B2 JPS5513897B2 (en:Method) | 1980-04-12 |
Family
ID=13034576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5669572A Expired JPS5513897B2 (en:Method) | 1972-06-07 | 1972-06-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5513897B2 (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018116464A1 (ja) * | 2016-12-22 | 2018-06-28 | オリンパス株式会社 | 走査型画像取得装置および走査型画像取得システム |
-
1972
- 1972-06-07 JP JP5669572A patent/JPS5513897B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5513897B2 (en:Method) | 1980-04-12 |