FR2720463B1 - Engrenage intérieur pour produit cylindrique, notamment barillet d'objectif zoom. - Google Patents
Engrenage intérieur pour produit cylindrique, notamment barillet d'objectif zoom.Info
- Publication number
- FR2720463B1 FR2720463B1 FR9508102A FR9508102A FR2720463B1 FR 2720463 B1 FR2720463 B1 FR 2720463B1 FR 9508102 A FR9508102 A FR 9508102A FR 9508102 A FR9508102 A FR 9508102A FR 2720463 B1 FR2720463 B1 FR 2720463B1
- Authority
- FR
- France
- Prior art keywords
- lens barrel
- zoom lens
- internal gear
- cylindrical product
- particular zoom
- 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
-
- 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
- G02B7/102—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 controlled by a microcomputer
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP32048193A JP3340543B2 (ja) | 1993-12-20 | 1993-12-20 | 筒状成形体、筒状成形体の成形型及びその製造方法 |
JP2163294A JPH07227886A (ja) | 1994-02-18 | 1994-02-18 | 内スライドコアを備えた射出成形型 |
JP3266394A JP3490758B2 (ja) | 1994-03-02 | 1994-03-02 | 内歯車およびその射出成形用金型 |
JP3266494A JPH07243512A (ja) | 1994-03-02 | 1994-03-02 | 内歯車 |
FR9415331A FR2715705B1 (fr) | 1993-12-20 | 1994-12-20 | Produit cylindrique moulé avec engrenage intérieur moulé et procédé de fabrication pour former un tel produit. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2720463A1 FR2720463A1 (fr) | 1995-12-01 |
FR2720463B1 true FR2720463B1 (fr) | 1997-09-12 |
Family
ID=27515601
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9508102A Expired - Fee Related FR2720463B1 (fr) | 1993-12-20 | 1995-07-05 | Engrenage intérieur pour produit cylindrique, notamment barillet d'objectif zoom. |
FR9508101A Expired - Fee Related FR2720675B1 (fr) | 1993-12-20 | 1995-07-05 | Moule de moulage par injection d'un produit cylindrique avec engrenage intérieur. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9508101A Expired - Fee Related FR2720675B1 (fr) | 1993-12-20 | 1995-07-05 | Moule de moulage par injection d'un produit cylindrique avec engrenage intérieur. |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR2720463B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108262918A (zh) * | 2016-12-30 | 2018-07-10 | 广东联塑科技实业有限公司 | 一种电熔鞍型直通模具及其注塑方法 |
CN110566655A (zh) * | 2019-10-10 | 2019-12-13 | 河南柴油机重工有限责任公司 | 一种发动机中间双联齿轮连接结构 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3888568A (en) * | 1974-06-20 | 1975-06-10 | Polaroid Corp | Multi-element lens assembly |
DE2623392A1 (de) * | 1976-05-25 | 1977-12-08 | Karl Hehl | Formschliesseinheit einer kunststoff-spritzgiessmaschine |
GB2205522A (en) * | 1987-06-09 | 1988-12-14 | Mono Pumps Ltd | Moulding an article having an internal helical gear formation thereon |
-
1995
- 1995-07-05 FR FR9508102A patent/FR2720463B1/fr not_active Expired - Fee Related
- 1995-07-05 FR FR9508101A patent/FR2720675B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2720675B1 (fr) | 1997-10-17 |
FR2720675A1 (fr) | 1995-12-08 |
FR2720463A1 (fr) | 1995-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20070831 |