JPH0560408B2 - - Google Patents
Info
- Publication number
- JPH0560408B2 JPH0560408B2 JP62055813A JP5581387A JPH0560408B2 JP H0560408 B2 JPH0560408 B2 JP H0560408B2 JP 62055813 A JP62055813 A JP 62055813A JP 5581387 A JP5581387 A JP 5581387A JP H0560408 B2 JPH0560408 B2 JP H0560408B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- molded product
- undercut
- molding
- elastic member
- 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
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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/54—Moulds for undercut 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/54—Moulds for undercut articles
- B29C2049/542—Moulds for undercut articles having means to facilitate the removal of the blow moulded articles
- B29C2049/547—Moulds for undercut articles having means to facilitate the removal of the blow moulded articles which are self actuated during the removing of the blow moulded articles, e.g. the means are spring loaded or flexible
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C33/46—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles using fluid pressure
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5581387A JPS63221020A (ja) | 1987-03-11 | 1987-03-11 | アンダ−カツトを有する成型品の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5581387A JPS63221020A (ja) | 1987-03-11 | 1987-03-11 | アンダ−カツトを有する成型品の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63221020A JPS63221020A (ja) | 1988-09-14 |
JPH0560408B2 true JPH0560408B2 (enrdf_load_stackoverflow) | 1993-09-02 |
Family
ID=13009372
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5581387A Granted JPS63221020A (ja) | 1987-03-11 | 1987-03-11 | アンダ−カツトを有する成型品の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63221020A (enrdf_load_stackoverflow) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2003034C (en) * | 1988-11-30 | 1994-05-24 | Akira Ohta | Blow molding mold for forming hollow double-walled product and blow molding apparatus using such mold |
JP2545024B2 (ja) * | 1992-12-18 | 1996-10-16 | 日精樹脂工業株式会社 | 射出成形用金型 |
NO323512B1 (no) * | 2004-04-07 | 2007-06-04 | Crescendo As | Stopeform for framstilling av en hjelmfôring. |
US20200164567A1 (en) * | 2018-11-28 | 2020-05-28 | Lifetime Products, Inc. | Blow-molded plastic structures |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5929713B2 (ja) * | 1979-01-31 | 1984-07-23 | 鐘淵化学工業株式会社 | アンダカツトを有する布帛熱成形型および成形方法 |
-
1987
- 1987-03-11 JP JP5581387A patent/JPS63221020A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS63221020A (ja) | 1988-09-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NZ214848A (en) | Injection mould with collapsible core | |
US3856450A (en) | Mold construction | |
CA1315059C (en) | Molding apparatus with improved ejector pin | |
JPH0560408B2 (enrdf_load_stackoverflow) | ||
CN101282831B (zh) | 包括有槽的模具底部的容器吹塑机模具 | |
US5072770A (en) | Investment casting process | |
US20040000532A1 (en) | Molded closure and apparatus for making same | |
US1270886A (en) | Mold. | |
US2908951A (en) | Tool for use in sand molding | |
US3177278A (en) | Method of forming cup shaped bodies | |
JP6714223B1 (ja) | 成型方法と成型用金型 | |
US1049688A (en) | Mold for making rubber articles. | |
US760150A (en) | Art of manufacturing hollow glass articles. | |
US3280432A (en) | Collapsing core injection mold | |
US178504A (en) | Improvement in the manufacture of glassware | |
JPS599879Y2 (ja) | 脱気機構を有するfrp成形用型 | |
US291072A (en) | Rence b | |
JP3559808B2 (ja) | カバー部材の製造方法 | |
GB2323321A (en) | Moulding an article and releasing from the mould | |
JPH04173213A (ja) | 発泡成形型のベントホール清掃方法 | |
IT201800007483A1 (it) | Dispositivo a cavita' espandibile adatto all'espulsione dei sottosquadri in pressofusione | |
US796262A (en) | Expansion-bolt. | |
CN208438673U (zh) | 一种耐用性注塑模具 | |
US3216071A (en) | Apparatus for producing molds | |
JPS6026973Y2 (ja) | 射出成型用金型 |