JPS6472818A - Molding process of helical resin molded object - Google Patents
Molding process of helical resin molded objectInfo
- Publication number
- JPS6472818A JPS6472818A JP23077787A JP23077787A JPS6472818A JP S6472818 A JPS6472818 A JP S6472818A JP 23077787 A JP23077787 A JP 23077787A JP 23077787 A JP23077787 A JP 23077787A JP S6472818 A JPS6472818 A JP S6472818A
- Authority
- JP
- Japan
- Prior art keywords
- core
- molded object
- mold
- clearance
- molding process
- 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
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
- B29C2045/14877—Pretreatment of the insert, e.g. etching, cleaning preheating or precooling the insert for non-deforming purposes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62230777A JP2546291B2 (ja) | 1987-09-15 | 1987-09-15 | ヘリカル樹脂成形品の成形方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62230777A JP2546291B2 (ja) | 1987-09-15 | 1987-09-15 | ヘリカル樹脂成形品の成形方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6472818A true JPS6472818A (en) | 1989-03-17 |
JP2546291B2 JP2546291B2 (ja) | 1996-10-23 |
Family
ID=16913099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62230777A Expired - Fee Related JP2546291B2 (ja) | 1987-09-15 | 1987-09-15 | ヘリカル樹脂成形品の成形方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2546291B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021146654A (ja) * | 2020-03-20 | 2021-09-27 | 株式会社日本製鋼所 | 捻れのある樹脂成形品を成形する成形方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52110222A (en) * | 1976-03-12 | 1977-09-16 | Minolta Camera Kk | Production method of screw parts and metal pattern for production of them |
-
1987
- 1987-09-15 JP JP62230777A patent/JP2546291B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52110222A (en) * | 1976-03-12 | 1977-09-16 | Minolta Camera Kk | Production method of screw parts and metal pattern for production of them |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021146654A (ja) * | 2020-03-20 | 2021-09-27 | 株式会社日本製鋼所 | 捻れのある樹脂成形品を成形する成形方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2546291B2 (ja) | 1996-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |