JPH0128688B2 - - Google Patents
Info
- Publication number
- JPH0128688B2 JPH0128688B2 JP56071722A JP7172281A JPH0128688B2 JP H0128688 B2 JPH0128688 B2 JP H0128688B2 JP 56071722 A JP56071722 A JP 56071722A JP 7172281 A JP7172281 A JP 7172281A JP H0128688 B2 JPH0128688 B2 JP H0128688B2
- Authority
- JP
- Japan
- Prior art keywords
- cavity
- resin
- mold
- temperature
- volume
- 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 26
- 229920005989 resin Polymers 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 8
- 238000000748 compression moulding Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 8
- 230000009477 glass transition Effects 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010587 phase diagram Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 208000015943 Coeliac disease Diseases 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229920006125 amorphous polymer Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/54—Compensating volume change, e.g. retraction
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C2043/3272—Component parts, details or accessories; Auxiliary operations driving means
- B29C2043/3283—Component parts, details or accessories; Auxiliary operations driving means for moving moulds or mould parts
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
- B29C2043/3615—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices
- B29C2043/3618—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices plurality of counteracting elements
-
- 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
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0016—Lenses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7172281A JPS57187231A (en) | 1981-05-13 | 1981-05-13 | Mold apparatus for compression molding of resin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7172281A JPS57187231A (en) | 1981-05-13 | 1981-05-13 | Mold apparatus for compression molding of resin |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57187231A JPS57187231A (en) | 1982-11-17 |
JPH0128688B2 true JPH0128688B2 (US07968547-20110628-C00004.png) | 1989-06-05 |
Family
ID=13468692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7172281A Granted JPS57187231A (en) | 1981-05-13 | 1981-05-13 | Mold apparatus for compression molding of resin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57187231A (US07968547-20110628-C00004.png) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5882725A (ja) * | 1981-11-13 | 1983-05-18 | Hitachi Ltd | プラスチツクレンズの加熱圧縮成形方法 |
JPS61205111A (ja) * | 1985-02-07 | 1986-09-11 | Meiki Co Ltd | 射出による圧縮成形方法 |
JPS61205112A (ja) * | 1985-03-08 | 1986-09-11 | Idemitsu Petrochem Co Ltd | 射出圧縮成形方法 |
JPS61206616A (ja) * | 1985-03-11 | 1986-09-12 | Meiki Co Ltd | 射出圧縮成形機 |
JPS61222717A (ja) * | 1985-03-28 | 1986-10-03 | Mitsubishi Metal Corp | 射出成形用金型 |
JPS629926A (ja) * | 1985-07-09 | 1987-01-17 | Hitachi Ltd | 光デイスク基板成形方法 |
JPS62198431A (ja) * | 1986-02-27 | 1987-09-02 | Sumitomo Heavy Ind Ltd | キヤビテイ容量調節手段を有する射出成形機 |
JPS6394806A (ja) * | 1986-10-09 | 1988-04-25 | Toshiba Mach Co Ltd | 射出圧縮成形の制御方法 |
JPS63197623A (ja) * | 1987-02-12 | 1988-08-16 | Dai Ichi Seiko Co Ltd | 射出圧縮成形装置 |
DE3712959A1 (de) * | 1987-04-02 | 1988-10-20 | Schock & Co Gmbh | Muldenfoermiger kunststoff-sanitaergegenstand, insbesondere badewanne |
JPH07119034B2 (ja) * | 1990-04-05 | 1995-12-20 | 株式会社日立製作所 | 射出圧縮成形装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5130309A (US07968547-20110628-C00004.png) * | 1974-08-15 | 1976-03-15 | Nippon Telegraph & Telephone | |
JPS537662A (en) * | 1976-07-06 | 1978-01-24 | Kanebo Ltd | Preparation of injection containing stable dehydroepiandrosterone sulfate |
-
1981
- 1981-05-13 JP JP7172281A patent/JPS57187231A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5130309A (US07968547-20110628-C00004.png) * | 1974-08-15 | 1976-03-15 | Nippon Telegraph & Telephone | |
JPS537662A (en) * | 1976-07-06 | 1978-01-24 | Kanebo Ltd | Preparation of injection containing stable dehydroepiandrosterone sulfate |
Also Published As
Publication number | Publication date |
---|---|
JPS57187231A (en) | 1982-11-17 |
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