JPH0212739B2 - - Google Patents
Info
- Publication number
- JPH0212739B2 JPH0212739B2 JP60131986A JP13198685A JPH0212739B2 JP H0212739 B2 JPH0212739 B2 JP H0212739B2 JP 60131986 A JP60131986 A JP 60131986A JP 13198685 A JP13198685 A JP 13198685A JP H0212739 B2 JPH0212739 B2 JP H0212739B2
- Authority
- JP
- Japan
- Prior art keywords
- die
- forming
- claw
- discharge hole
- slit
- 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 - Lifetime
Links
- 210000000078 claw Anatomy 0.000 claims description 44
- 238000001125 extrusion Methods 0.000 claims description 7
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229920005989 resin Polymers 0.000 description 11
- 239000011347 resin Substances 0.000 description 11
- 238000000465 moulding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001105 regulatory effect Effects 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each other
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/003—Tubular articles having irregular or rough surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60131986A JPS61291118A (ja) | 1985-06-19 | 1985-06-19 | 咬合具付円筒フイルムの製造装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60131986A JPS61291118A (ja) | 1985-06-19 | 1985-06-19 | 咬合具付円筒フイルムの製造装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61291118A JPS61291118A (ja) | 1986-12-20 |
JPH0212739B2 true JPH0212739B2 (enrdf_load_html_response) | 1990-03-26 |
Family
ID=15070882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60131986A Granted JPS61291118A (ja) | 1985-06-19 | 1985-06-19 | 咬合具付円筒フイルムの製造装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61291118A (enrdf_load_html_response) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111623187B (zh) * | 2020-07-01 | 2021-08-17 | 禹州市洁通塑胶有限公司 | 建筑排水立管、其成型模具及其成型方法 |
-
1985
- 1985-06-19 JP JP60131986A patent/JPS61291118A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61291118A (ja) | 1986-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |