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
Application number
FR9508102A
Other languages
English (en)
Other versions
FR2720463A1 (fr
Inventor
Hiroshi Nomura
Takamitsu Sasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP32048193A external-priority patent/JP3340543B2/ja
Priority claimed from JP2163294A external-priority patent/JPH07227886A/ja
Priority claimed from JP3266494A external-priority patent/JPH07243512A/ja
Priority claimed from JP3266394A external-priority patent/JP3490758B2/ja
Priority claimed from FR9415331A external-priority patent/FR2715705B1/fr
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2720463A1 publication Critical patent/FR2720463A1/fr
Application granted granted Critical
Publication of FR2720463B1 publication Critical patent/FR2720463B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
FR9508102A 1993-12-20 1995-07-05 Engrenage intérieur pour produit cylindrique, notamment barillet d'objectif zoom. Expired - Fee Related FR2720463B1 (fr)

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
JP3266494A JPH07243512A (ja) 1994-03-02 1994-03-02 内歯車
JP3266394A JP3490758B2 (ja) 1994-03-02 1994-03-02 内歯車およびその射出成形用金型
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2720675B1 (fr) 1997-10-17
FR2720463A1 (fr) 1995-12-01
FR2720675A1 (fr) 1995-12-08

Similar Documents

Publication Publication Date Title
FR2674300B3 (fr) Axe d'articulation, notamment pour un couvercle.
FR2664986B1 (fr) Materiau pour lentilles de contact.
EP0627636A3 (fr) Lentille en matière plastique.
FR2725531B1 (fr) Dispositif d'embrayage pour barillet d'objectif zoom
AU7208994A (en) Eyedrop dispenser with focusing liquid lens
FR2709352B1 (fr) Barillet d'objectif zoom.
FR2711929B1 (fr) Asperseur de liquides.
GB9625886D0 (en) Super wide-angle zoom lens
EP0620467A3 (fr) Objectif asphérique grand-angulaire à distance focale variable.
FR2658313B1 (fr) Barillet d'objectif zoom.
FR2708192B1 (fr) Obturateur pour cavités osseuses.
FR2720463B1 (fr) Engrenage intérieur pour produit cylindrique, notamment barillet d'objectif zoom.
FR2708569B1 (fr) Bidon bec verseur.
DE59106415D1 (de) Hochgeöffnetes Weitwinkelobjektiv.
DE69630123D1 (en) Optische spaltung von 1-azabicylo(2.2.2)octan-3-amin,2-(diphenylmethyl)-n-((2-methoxy-5-(1-methylethyl)phenyl)methyl)
FR2698905B1 (fr) Elément pour réaliser des charnières.
DE69200942T2 (de) Sous ensemble de freinage pour vehicule.
FR2661605B1 (fr) Cotyle pour prothese rotulienne notamment pour prothese du type coxo-femoral.
FR2669260B1 (fr) Vis d'extrudeuse pour le polyethylene.
FR2684928B1 (fr) Chevalet de peintre notamment pour l'aquarelle.
FR2705111B1 (fr) Dispositif d'étanchéité pour cloison de locaux industriels.
FR2664353B1 (fr) Clapet pour pulverisateur.
FR2730804B1 (fr) Lanceur pour l'envoi d'elements fractionnes
FR2691949B1 (fr) Conteneur pour enduits.
FR2711165B1 (fr) Elément encastrable pour murs anti-fissure.

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070831