GB2311750B - Injection molding inner gear mold - Google Patents
Injection molding inner gear moldInfo
- Publication number
- GB2311750B GB2311750B GB9713564A GB9713564A GB2311750B GB 2311750 B GB2311750 B GB 2311750B GB 9713564 A GB9713564 A GB 9713564A GB 9713564 A GB9713564 A GB 9713564A GB 2311750 B GB2311750 B GB 2311750B
- Authority
- GB
- United Kingdom
- Prior art keywords
- injection molding
- inner gear
- molding inner
- gear mold
- mold
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
-
- 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
- B29C45/26—Moulds
- B29C45/2618—Moulds having screw-threaded mould walls
-
- 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
- B29C45/26—Moulds
- B29C45/2681—Moulds with rotatable 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
- 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
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4421—Removing or ejecting moulded articles for undercut articles using expansible or collapsible cores
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32048193A JP3340543B2 (en) | 1993-12-20 | 1993-12-20 | Cylindrical molded body, mold for cylindrical molded body, and method of manufacturing the same |
JP2163294A JPH07227886A (en) | 1994-02-18 | 1994-02-18 | Injection mold equipped with inner slide core |
JP3266494A JPH07243512A (en) | 1994-03-02 | 1994-03-02 | Internal gear |
JP3266394A JP3490758B2 (en) | 1994-03-02 | 1994-03-02 | Internal gear and its injection mold |
GB9425753A GB2285599B (en) | 1993-12-20 | 1994-12-20 | Cylindrical product with inner gear, method of manufacturing and molds therefor |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9713564D0 GB9713564D0 (en) | 1997-09-03 |
GB2311750A GB2311750A (en) | 1997-10-08 |
GB2311750B true GB2311750B (en) | 1998-04-22 |
Family
ID=27517272
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9713563A Expired - Fee Related GB2311749B (en) | 1993-12-20 | 1994-12-20 | Inner gear formed by injection molding and a mold therefor |
GB9713564A Expired - Fee Related GB2311750B (en) | 1993-12-20 | 1994-12-20 | Injection molding inner gear mold |
GB9713567A Expired - Fee Related GB2311751B (en) | 1993-12-20 | 1994-12-20 | Inner gear formed by a mold for injection molding |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9713563A Expired - Fee Related GB2311749B (en) | 1993-12-20 | 1994-12-20 | Inner gear formed by injection molding and a mold therefor |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9713567A Expired - Fee Related GB2311751B (en) | 1993-12-20 | 1994-12-20 | Inner gear formed by a mold for injection molding |
Country Status (1)
Country | Link |
---|---|
GB (3) | GB2311749B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4622696B2 (en) * | 2005-06-20 | 2011-02-02 | 株式会社ニコン | Cam drive mechanism |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB560414A (en) * | 1942-10-26 | 1944-04-04 | Barnett Levy | Improvements in or relating to expansible mandrels or formers for use, for example, in moulding leather tyres |
GB1521154A (en) * | 1975-06-23 | 1978-08-16 | Johansson A | Forming apparatus for tubes |
EP0052581A1 (en) * | 1980-11-14 | 1982-05-26 | S.I.C.A. SERRANDE INFISSI CARPENTERIA ATTREZZATURA S.p.A. | A mechanical expansion plug for the internal shaping of plastic material tubes in general, particularly for fashioning the seats of gaskets |
US4362291A (en) * | 1980-02-26 | 1982-12-07 | Toshiba Kikai Kabushiki Kaisha | Metal mold for molding hollow article having inwardly tapered side wall |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB757338A (en) * | 1952-08-22 | 1956-09-19 | Elastic Stop Nut Corp | Improvements in or relating to catadioptric lenses |
NL272065A (en) * | 1960-12-05 | |||
DE1272702B (en) * | 1966-04-19 | 1968-07-11 | Schneider Co Optische Werke | Installation on photographic and cinematographic lenses with axially displaceable optical elements |
GB1592207A (en) * | 1977-10-24 | 1981-07-01 | Geyer Werkzeugbau Gmbh & Co Kg | Collapsible cores for the manufacture of moulded components |
-
1994
- 1994-12-20 GB GB9713563A patent/GB2311749B/en not_active Expired - Fee Related
- 1994-12-20 GB GB9713564A patent/GB2311750B/en not_active Expired - Fee Related
- 1994-12-20 GB GB9713567A patent/GB2311751B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB560414A (en) * | 1942-10-26 | 1944-04-04 | Barnett Levy | Improvements in or relating to expansible mandrels or formers for use, for example, in moulding leather tyres |
GB1521154A (en) * | 1975-06-23 | 1978-08-16 | Johansson A | Forming apparatus for tubes |
US4362291A (en) * | 1980-02-26 | 1982-12-07 | Toshiba Kikai Kabushiki Kaisha | Metal mold for molding hollow article having inwardly tapered side wall |
EP0052581A1 (en) * | 1980-11-14 | 1982-05-26 | S.I.C.A. SERRANDE INFISSI CARPENTERIA ATTREZZATURA S.p.A. | A mechanical expansion plug for the internal shaping of plastic material tubes in general, particularly for fashioning the seats of gaskets |
Also Published As
Publication number | Publication date |
---|---|
GB9713564D0 (en) | 1997-09-03 |
GB9713563D0 (en) | 1997-09-03 |
GB2311751A (en) | 1997-10-08 |
GB2311749A (en) | 1997-10-08 |
GB2311750A (en) | 1997-10-08 |
GB9713567D0 (en) | 1997-09-03 |
GB2311751B (en) | 1998-04-22 |
GB2311749B (en) | 1998-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20061220 |