JP2009037162A - 円筒成形品、レンズ鏡筒、カメラおよび射出成形用金型 - Google Patents

円筒成形品、レンズ鏡筒、カメラおよび射出成形用金型 Download PDF

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Publication number
JP2009037162A
JP2009037162A JP2007203524A JP2007203524A JP2009037162A JP 2009037162 A JP2009037162 A JP 2009037162A JP 2007203524 A JP2007203524 A JP 2007203524A JP 2007203524 A JP2007203524 A JP 2007203524A JP 2009037162 A JP2009037162 A JP 2009037162A
Authority
JP
Japan
Prior art keywords
cam
frame
molded product
density region
cylindrical molded
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.)
Pending
Application number
JP2007203524A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009037162A5 (enExample
Inventor
Makoto Iyoda
真 伊豫田
Katsu Nakao
克 中尾
Shoichi Irie
正一 入江
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.)
Panasonic Corp
Original Assignee
Panasonic Corp
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
Application filed by Panasonic Corp filed Critical Panasonic Corp
Priority to JP2007203524A priority Critical patent/JP2009037162A/ja
Priority to US12/059,786 priority patent/US7554756B2/en
Publication of JP2009037162A publication Critical patent/JP2009037162A/ja
Priority to US12/467,650 priority patent/US7800837B2/en
Publication of JP2009037162A5 publication Critical patent/JP2009037162A5/ja
Pending legal-status Critical Current

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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
    • 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
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • 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
    • B29C45/261—Moulds having tubular mould cavities
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • B29C2045/0027—Gate or gate mark locations
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/764—Photographic equipment or accessories
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/21—Circular sheet or circular blank
    • Y10T428/211—Gear

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP2007203524A 2007-08-03 2007-08-03 円筒成形品、レンズ鏡筒、カメラおよび射出成形用金型 Pending JP2009037162A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007203524A JP2009037162A (ja) 2007-08-03 2007-08-03 円筒成形品、レンズ鏡筒、カメラおよび射出成形用金型
US12/059,786 US7554756B2 (en) 2007-08-03 2008-03-31 Cylindrical molded article, lens barrel, camera, and injection mold
US12/467,650 US7800837B2 (en) 2007-08-03 2009-05-18 Cylindrical molded article, lens barrel, camera, and injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007203524A JP2009037162A (ja) 2007-08-03 2007-08-03 円筒成形品、レンズ鏡筒、カメラおよび射出成形用金型

Publications (2)

Publication Number Publication Date
JP2009037162A true JP2009037162A (ja) 2009-02-19
JP2009037162A5 JP2009037162A5 (enExample) 2009-07-30

Family

ID=40337845

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007203524A Pending JP2009037162A (ja) 2007-08-03 2007-08-03 円筒成形品、レンズ鏡筒、カメラおよび射出成形用金型

Country Status (2)

Country Link
US (2) US7554756B2 (enExample)
JP (1) JP2009037162A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010103808A1 (ja) * 2009-03-09 2010-09-16 オリンパス株式会社 光学部品の製造方法
JP2014505276A (ja) * 2011-02-11 2014-02-27 サムスン エレクトロニクス カンパニー リミテッド ズームレンズ鏡筒組立体

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009037162A (ja) * 2007-08-03 2009-02-19 Panasonic Corp 円筒成形品、レンズ鏡筒、カメラおよび射出成形用金型
FR2961736B1 (fr) * 2010-06-23 2012-08-03 Airlessystems Procede et moule pour la fabrication d'un reservoir a fut de coulissement et piston suiveur.
JP2012094310A (ja) * 2010-10-26 2012-05-17 Panasonic Corp 照明装置
TWI471628B (zh) * 2011-12-07 2015-02-01 Ability Entpr Co Ltd 鏡頭機構
US9019637B2 (en) * 2012-11-13 2015-04-28 Largan Precision Co., Ltd. Plastic lens barrel and method for manufacturing the same

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5683708U (enExample) * 1979-11-29 1981-07-06
JPH01280707A (ja) * 1988-05-07 1989-11-10 Minolta Camera Co Ltd レンズ移動用カム装置
JPH03193332A (ja) * 1989-12-22 1991-08-23 Olympus Optical Co Ltd レンズ等の光学系と枠の一体成形方法、成形用金型および一体成形品
JPH0961689A (ja) * 1995-08-28 1997-03-07 Asahi Optical Co Ltd 組立レンズ用の鏡枠
JP2003185907A (ja) * 2001-12-14 2003-07-03 Minolta Co Ltd ズームレンズ鏡筒
JP2005274802A (ja) * 2004-03-24 2005-10-06 Chinontec Kk レンズ鏡筒およびプロジェクタ装置
JP2006330540A (ja) * 2005-05-30 2006-12-07 Matsushita Electric Ind Co Ltd 撮像装置
JP2007015291A (ja) * 2005-07-08 2007-01-25 Olympus Imaging Corp 筒状部品

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5683708A (en) 1979-12-13 1981-07-08 Canon Inc Zoom lens which permits close-up photography
JPS61119114A (ja) 1984-11-14 1986-06-06 片倉チツカリン株式会社 湛水直播水稲田の施肥法
US4950060A (en) 1988-05-07 1990-08-21 Minolta Camera Kabushiki Kaisha Lens driving cam mechanism
JPH08164566A (ja) 1994-12-16 1996-06-25 Olympus Optical Co Ltd 鏡筒部品の射出成形方法
JP2955509B2 (ja) 1996-04-11 1999-10-04 花王株式会社 金型の設計方法および装置
CN1084661C (zh) * 1996-04-11 2002-05-15 花王株式会社 金属模具的设计方法及装置
JP2001235669A (ja) * 2000-02-23 2001-08-31 Fuji Photo Optical Co Ltd レンズ装置
JP2002370268A (ja) 2001-06-15 2002-12-24 Olympus Optical Co Ltd 円筒成形品および円筒成形品の形状決定方法
JP4104906B2 (ja) 2002-05-31 2008-06-18 チノンテック株式会社 ガイド筒およびレンズ鏡筒ならびにプロジェクタ
JP2004148525A (ja) 2002-10-28 2004-05-27 Olympus Corp 筒状部材および筒状部材装置および筒状部材を成形するための金型
JP3523249B1 (ja) 2003-07-31 2004-04-26 株式会社双信 カム溝付円筒の製造方法及びこの方法により製造されたカム溝付円筒
JP2006322985A (ja) 2005-05-17 2006-11-30 Canon Inc レンズ鏡筒
JP2009037162A (ja) * 2007-08-03 2009-02-19 Panasonic Corp 円筒成形品、レンズ鏡筒、カメラおよび射出成形用金型

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5683708U (enExample) * 1979-11-29 1981-07-06
JPH01280707A (ja) * 1988-05-07 1989-11-10 Minolta Camera Co Ltd レンズ移動用カム装置
JPH03193332A (ja) * 1989-12-22 1991-08-23 Olympus Optical Co Ltd レンズ等の光学系と枠の一体成形方法、成形用金型および一体成形品
JPH0961689A (ja) * 1995-08-28 1997-03-07 Asahi Optical Co Ltd 組立レンズ用の鏡枠
JP2003185907A (ja) * 2001-12-14 2003-07-03 Minolta Co Ltd ズームレンズ鏡筒
JP2005274802A (ja) * 2004-03-24 2005-10-06 Chinontec Kk レンズ鏡筒およびプロジェクタ装置
JP2006330540A (ja) * 2005-05-30 2006-12-07 Matsushita Electric Ind Co Ltd 撮像装置
JP2007015291A (ja) * 2005-07-08 2007-01-25 Olympus Imaging Corp 筒状部品

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010103808A1 (ja) * 2009-03-09 2010-09-16 オリンパス株式会社 光学部品の製造方法
US8522856B2 (en) 2009-03-09 2013-09-03 Olympus Corporation Method of manufacturing optical component
JP2014505276A (ja) * 2011-02-11 2014-02-27 サムスン エレクトロニクス カンパニー リミテッド ズームレンズ鏡筒組立体

Also Published As

Publication number Publication date
US7800837B2 (en) 2010-09-21
US20090225439A1 (en) 2009-09-10
US20090034096A1 (en) 2009-02-05
US7554756B2 (en) 2009-06-30

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