JPH0344508Y2 - - Google Patents
Info
- Publication number
- JPH0344508Y2 JPH0344508Y2 JP1985043436U JP4343685U JPH0344508Y2 JP H0344508 Y2 JPH0344508 Y2 JP H0344508Y2 JP 1985043436 U JP1985043436 U JP 1985043436U JP 4343685 U JP4343685 U JP 4343685U JP H0344508 Y2 JPH0344508 Y2 JP H0344508Y2
- Authority
- JP
- Japan
- Prior art keywords
- screw
- flight
- resin
- heating cylinder
- pressure
- 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.)
- Expired
Links
- 239000011347 resin Substances 0.000 claims description 22
- 229920005989 resin Polymers 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 15
- 230000010006 flight Effects 0.000 claims description 9
- 238000010137 moulding (plastic) Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000005484 gravity Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 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
- B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
-
- 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)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985043436U JPH0344508Y2 (2) | 1985-03-26 | 1985-03-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985043436U JPH0344508Y2 (2) | 1985-03-26 | 1985-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61160917U JPS61160917U (2) | 1986-10-06 |
| JPH0344508Y2 true JPH0344508Y2 (2) | 1991-09-19 |
Family
ID=30555100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985043436U Expired JPH0344508Y2 (2) | 1985-03-26 | 1985-03-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344508Y2 (2) |
-
1985
- 1985-03-26 JP JP1985043436U patent/JPH0344508Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61160917U (2) | 1986-10-06 |
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